[INFO] cloning repository https://github.com/cutlerjake/mining_width_maintainer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cutlerjake/mining_width_maintainer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutlerjake%2Fmining_width_maintainer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutlerjake%2Fmining_width_maintainer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f6c0cb5f037a43fb8db02a60afc5c9483d90c13
[INFO] testing cutlerjake/mining_width_maintainer against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutlerjake%2Fmining_width_maintainer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cutlerjake/mining_width_maintainer
[INFO] finished tweaking git repo https://github.com/cutlerjake/mining_width_maintainer
[INFO] tweaked toml for git repo https://github.com/cutlerjake/mining_width_maintainer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cutlerjake/mining_width_maintainer on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cutlerjake/mining_width_maintainer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61fe7d74232bef1d0bc26b421bca4cd91401792d0982b67a88983deab8c93452
[INFO] running `Command { std: "docker" "start" "-a" "61fe7d74232bef1d0bc26b421bca4cd91401792d0982b67a88983deab8c93452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61fe7d74232bef1d0bc26b421bca4cd91401792d0982b67a88983deab8c93452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fe7d74232bef1d0bc26b421bca4cd91401792d0982b67a88983deab8c93452", kill_on_drop: false }`
[INFO] [stdout] 61fe7d74232bef1d0bc26b421bca4cd91401792d0982b67a88983deab8c93452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 3d2f2d14d353cf7cccf5300bc60406836222aa19a797abd206f9d6199475a644
[INFO] running `Command { std: "docker" "start" "-a" "3d2f2d14d353cf7cccf5300bc60406836222aa19a797abd206f9d6199475a644", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling pest v2.7.2
[INFO] [stderr]    Compiling depends_core v0.10.1
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling depends_derives v0.10.1
[INFO] [stderr]    Compiling depends v0.10.1
[INFO] [stderr]    Compiling pest_meta v2.7.2
[INFO] [stderr]    Compiling pest_generator v2.7.2
[INFO] [stderr]    Compiling pest_derive v2.7.2
[INFO] [stderr]    Compiling py_literal v0.4.0
[INFO] [stderr]    Compiling ndarray-npy v0.8.1
[INFO] [stderr]    Compiling mining_width_maintainer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num::clamp`
[INFO] [stdout]  --> src/mining_width.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::clamp;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mining_width_maintainer.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |             let mut inds = best_width.inds(self.sched.sched.dim().into());
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mining_width_maintainer.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |             let mut inds = best_width.inds(self.sched.sched.dim().into());
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:361:30
[INFO] [stdout]     |
[INFO] [stdout] 361 |             let (best_width, delta) = self.best_covering_width(
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:459:30
[INFO] [stdout]     |
[INFO] [stdout] 459 |             let (best_width, delta) = self.best_covering_width(
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mining_width`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:501:9
[INFO] [stdout]     |
[INFO] [stdout] 501 |         mining_width: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_mask_id`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:503:9
[INFO] [stdout]     |
[INFO] [stdout] 503 |         curr_mask_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mining_width`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:529:9
[INFO] [stdout]     |
[INFO] [stdout] 529 |         mining_width: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_mask_id`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 |         curr_mask_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fix_perturbed`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:614:29
[INFO] [stdout]     |
[INFO] [stdout] 614 |                         let fix_perturbed =
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fix_perturbed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fix_perturbed`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:619:29
[INFO] [stdout]     |
[INFO] [stdout] 619 |                         let fix_perturbed =
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fix_perturbed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:623:49
[INFO] [stdout]     |
[INFO] [stdout] 623 |                     BlockPerturbType::Unchanged(ind) => {}
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mining_width`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:669:9
[INFO] [stdout]     |
[INFO] [stdout] 669 |         mining_width: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_mask_id`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:671:9
[INFO] [stdout]     |
[INFO] [stdout] 671 |         curr_mask_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `perimeter` is never used
[INFO] [stdout]    --> src/mining_width.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout]  11 | impl SquareMiningWidth {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn perimeter(&self, dim: [usize; 3]) -> Vec<[usize; 3]> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mask` is never used
[INFO] [stdout]   --> src/mining_width_maintainer.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl NeighbordMask {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn mask(&self) -> &Array3<usize> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fix_neighbors`, `fix_preds`, and `fix_succs` are never used
[INFO] [stdout]    --> src/mining_width_maintainer.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout]  81 | impl MiningWidthMaintainer {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 162 |     fn fix_neighbors(&mut self, mining_width: &SquareMiningWidth, period: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn fix_preds(&mut self, ind: [usize; 3], mining_width: u8, period: u8, curr_mask_id: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 402 |     fn fix_succs(&mut self, ind: [usize; 3], mining_width: u8, period: u8, curr_mask_id: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.47s
[INFO] running `Command { std: "docker" "inspect" "3d2f2d14d353cf7cccf5300bc60406836222aa19a797abd206f9d6199475a644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2f2d14d353cf7cccf5300bc60406836222aa19a797abd206f9d6199475a644", kill_on_drop: false }`
[INFO] [stdout] 3d2f2d14d353cf7cccf5300bc60406836222aa19a797abd206f9d6199475a644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] cc4ead8720bb7ca6dd0f74f544afa0b7c75144ed596ddccfd41919d184351cd5
[INFO] running `Command { std: "docker" "start" "-a" "cc4ead8720bb7ca6dd0f74f544afa0b7c75144ed596ddccfd41919d184351cd5", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `num::clamp`
[INFO] [stdout]  --> src/mining_width.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::clamp;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mining_width_maintainer.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |             let mut inds = best_width.inds(self.sched.sched.dim().into());
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mining_width_maintainer.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |             let mut inds = best_width.inds(self.sched.sched.dim().into());
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:361:30
[INFO] [stdout]     |
[INFO] [stdout] 361 |             let (best_width, delta) = self.best_covering_width(
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:459:30
[INFO] [stdout]     |
[INFO] [stdout] 459 |             let (best_width, delta) = self.best_covering_width(
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mining_width`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:501:9
[INFO] [stdout]     |
[INFO] [stdout] 501 |         mining_width: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_mask_id`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:503:9
[INFO] [stdout]     |
[INFO] [stdout] 503 |         curr_mask_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mining_width`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:529:9
[INFO] [stdout]     |
[INFO] [stdout] 529 |         mining_width: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_mask_id`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 |         curr_mask_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fix_perturbed`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:614:29
[INFO] [stdout]     |
[INFO] [stdout] 614 |                         let fix_perturbed =
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fix_perturbed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fix_perturbed`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:619:29
[INFO] [stdout]     |
[INFO] [stdout] 619 |                         let fix_perturbed =
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fix_perturbed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:623:49
[INFO] [stdout]     |
[INFO] [stdout] 623 |                     BlockPerturbType::Unchanged(ind) => {}
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mining_width`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:669:9
[INFO] [stdout]     |
[INFO] [stdout] 669 |         mining_width: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_mask_id`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:671:9
[INFO] [stdout]     |
[INFO] [stdout] 671 |         curr_mask_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `perimeter` is never used
[INFO] [stdout]    --> src/mining_width.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout]  11 | impl SquareMiningWidth {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn perimeter(&self, dim: [usize; 3]) -> Vec<[usize; 3]> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mask` is never used
[INFO] [stdout]   --> src/mining_width_maintainer.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl NeighbordMask {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn mask(&self) -> &Array3<usize> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fix_neighbors`, `fix_preds`, and `fix_succs` are never used
[INFO] [stdout]    --> src/mining_width_maintainer.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout]  81 | impl MiningWidthMaintainer {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 162 |     fn fix_neighbors(&mut self, mining_width: &SquareMiningWidth, period: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn fix_preds(&mut self, ind: [usize; 3], mining_width: u8, period: u8, curr_mask_id: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 402 |     fn fix_succs(&mut self, ind: [usize; 3], mining_width: u8, period: u8, curr_mask_id: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mining_width_maintainer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num::clamp`
[INFO] [stdout]  --> src/mining_width.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::clamp;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Array`
[INFO] [stdout]    --> src/mining_width.rs:203:22
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use ndarray::{s, Array, Array3};
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mining_width_maintainer.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |             let mut inds = best_width.inds(self.sched.sched.dim().into());
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mining_width_maintainer.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |             let mut inds = best_width.inds(self.sched.sched.dim().into());
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:361:30
[INFO] [stdout]     |
[INFO] [stdout] 361 |             let (best_width, delta) = self.best_covering_width(
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:459:30
[INFO] [stdout]     |
[INFO] [stdout] 459 |             let (best_width, delta) = self.best_covering_width(
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mining_width`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:501:9
[INFO] [stdout]     |
[INFO] [stdout] 501 |         mining_width: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_mask_id`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:503:9
[INFO] [stdout]     |
[INFO] [stdout] 503 |         curr_mask_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mining_width`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:529:9
[INFO] [stdout]     |
[INFO] [stdout] 529 |         mining_width: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_mask_id`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 |         curr_mask_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fix_perturbed`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:614:29
[INFO] [stdout]     |
[INFO] [stdout] 614 |                         let fix_perturbed =
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fix_perturbed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fix_perturbed`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:619:29
[INFO] [stdout]     |
[INFO] [stdout] 619 |                         let fix_perturbed =
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fix_perturbed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:623:49
[INFO] [stdout]     |
[INFO] [stdout] 623 |                     BlockPerturbType::Unchanged(ind) => {}
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mining_width`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:669:9
[INFO] [stdout]     |
[INFO] [stdout] 669 |         mining_width: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr_mask_id`
[INFO] [stdout]    --> src/mining_width_maintainer.rs:671:9
[INFO] [stdout]     |
[INFO] [stdout] 671 |         curr_mask_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mask` is never used
[INFO] [stdout]   --> src/mining_width_maintainer.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl NeighbordMask {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn mask(&self) -> &Array3<usize> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fix_preds` and `fix_succs` are never used
[INFO] [stdout]    --> src/mining_width_maintainer.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout]  81 | impl MiningWidthMaintainer {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn fix_preds(&mut self, ind: [usize; 3], mining_width: u8, period: u8, curr_mask_id: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 402 |     fn fix_succs(&mut self, ind: [usize; 3], mining_width: u8, period: u8, curr_mask_id: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "cc4ead8720bb7ca6dd0f74f544afa0b7c75144ed596ddccfd41919d184351cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4ead8720bb7ca6dd0f74f544afa0b7c75144ed596ddccfd41919d184351cd5", kill_on_drop: false }`
[INFO] [stdout] cc4ead8720bb7ca6dd0f74f544afa0b7c75144ed596ddccfd41919d184351cd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 80bb8ee4d9367f84a42f270cd9e267950321beed2ddb7895b92b9264f42a3c8f
[INFO] running `Command { std: "docker" "start" "-a" "80bb8ee4d9367f84a42f270cd9e267950321beed2ddb7895b92b9264f42a3c8f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `num::clamp`
[INFO] [stderr]  --> src/mining_width.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use num::clamp;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/mining_width_maintainer.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |             let mut inds = best_width.inds(self.sched.sched.dim().into());
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/mining_width_maintainer.rs:289:17
[INFO] [stderr]     |
[INFO] [stderr] 289 |             let mut inds = best_width.inds(self.sched.sched.dim().into());
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delta`
[INFO] [stderr]    --> src/mining_width_maintainer.rs:361:30
[INFO] [stderr]     |
[INFO] [stderr] 361 |             let (best_width, delta) = self.best_covering_width(
[INFO] [stderr]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delta`
[INFO] [stderr]    --> src/mining_width_maintainer.rs:459:30
[INFO] [stderr]     |
[INFO] [stderr] 459 |             let (best_width, delta) = self.best_covering_width(
[INFO] [stderr]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mining_width`
[INFO] [stderr]    --> src/mining_width_maintainer.rs:501:9
[INFO] [stderr]     |
[INFO] [stderr] 501 |         mining_width: u8,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `curr_mask_id`
[INFO] [stderr]    --> src/mining_width_maintainer.rs:503:9
[INFO] [stderr]     |
[INFO] [stderr] 503 |         curr_mask_id: usize,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mining_width`
[INFO] [stderr]    --> src/mining_width_maintainer.rs:529:9
[INFO] [stderr]     |
[INFO] [stderr] 529 |         mining_width: u8,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `curr_mask_id`
[INFO] [stderr]    --> src/mining_width_maintainer.rs:531:9
[INFO] [stderr]     |
[INFO] [stderr] 531 |         curr_mask_id: usize,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fix_perturbed`
[INFO] [stderr]    --> src/mining_width_maintainer.rs:614:29
[INFO] [stderr]     |
[INFO] [stderr] 614 |                         let fix_perturbed =
[INFO] [stderr]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fix_perturbed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fix_perturbed`
[INFO] [stderr]    --> src/mining_width_maintainer.rs:619:29
[INFO] [stderr]     |
[INFO] [stderr] 619 |                         let fix_perturbed =
[INFO] [stderr]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fix_perturbed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ind`
[INFO] [stderr]    --> src/mining_width_maintainer.rs:623:49
[INFO] [stderr]     |
[INFO] [stderr] 623 |                     BlockPerturbType::Unchanged(ind) => {}
[INFO] [stderr]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mining_width`
[INFO] [stderr]    --> src/mining_width_maintainer.rs:669:9
[INFO] [stderr]     |
[INFO] [stderr] 669 |         mining_width: u8,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mining_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `curr_mask_id`
[INFO] [stderr]    --> src/mining_width_maintainer.rs:671:9
[INFO] [stderr]     |
[INFO] [stderr] 671 |         curr_mask_id: usize,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_mask_id`
[INFO] [stderr] 
[INFO] [stderr] warning: method `perimeter` is never used
[INFO] [stderr]    --> src/mining_width.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr]  11 | impl SquareMiningWidth {
[INFO] [stderr]     | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 115 |     fn perimeter(&self, dim: [usize; 3]) -> Vec<[usize; 3]> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `mask` is never used
[INFO] [stderr]   --> src/mining_width_maintainer.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | impl NeighbordMask {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 69 |     fn mask(&self) -> &Array3<usize> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `fix_neighbors`, `fix_preds`, and `fix_succs` are never used
[INFO] [stderr]    --> src/mining_width_maintainer.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr]  81 | impl MiningWidthMaintainer {
[INFO] [stderr]     | -------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 162 |     fn fix_neighbors(&mut self, mining_width: &SquareMiningWidth, period: u8) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 302 |     fn fix_preds(&mut self, ind: [usize; 3], mining_width: u8, period: u8, curr_mask_id: usize) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 402 |     fn fix_succs(&mut self, ind: [usize; 3], mining_width: u8, period: u8, curr_mask_id: usize) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Array`
[INFO] [stderr]    --> src/mining_width.rs:203:22
[INFO] [stderr]     |
[INFO] [stderr] 203 |     use ndarray::{s, Array, Array3};
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `mask` is never used
[INFO] [stderr]   --> src/mining_width_maintainer.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | impl NeighbordMask {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 69 |     fn mask(&self) -> &Array3<usize> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `fix_preds` and `fix_succs` are never used
[INFO] [stderr]    --> src/mining_width_maintainer.rs:302:8
[INFO] [stderr]     |
[INFO] [stderr]  81 | impl MiningWidthMaintainer {
[INFO] [stderr]     | -------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 302 |     fn fix_preds(&mut self, ind: [usize; 3], mining_width: u8, period: u8, curr_mask_id: usize) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 402 |     fn fix_succs(&mut self, ind: [usize; 3], mining_width: u8, period: u8, curr_mask_id: usize) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mining_width_maintainer` (lib) generated 17 warnings (run `cargo fix --lib -p mining_width_maintainer` to apply 14 suggestions)
[INFO] [stderr] warning: `mining_width_maintainer` (lib test) generated 17 warnings (14 duplicates) (run `cargo fix --lib -p mining_width_maintainer --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/mining_width_maintainer/c800c7425006ee5d/deps/mining_width_maintainer-c800c7425006ee5d)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test mining_width::tests::neighbors_on_boundaries ... ok
[INFO] [stdout] test mining_width::tests::test_inds_full ... ok
[INFO] [stdout] test mining_width::tests::test_intersecting ... ok
[INFO] [stdout] test mining_width::tests::test_perimeter ... ok
[INFO] [stdout] test mining_width::tests::test_inds_cut ... ok
[INFO] [stdout] test mining_width::tests::test_neighbors ... ok
[INFO] [stdout] test mining_width_maintainer::tests::fix_neighbors ... ok
[INFO] [stdout] test mining_width_maintainer::tests::fix_neighbors_perturb ... ok
[INFO] [stdout] test mining_width_maintainer::tests::set_internal_inds ... ok
[INFO] [stdout] test mining_width::tests::test_wide_perimeter ... FAILED
[INFO] [stdout] test mining_width_maintainer::tests::fix_preds ... FAILED
[INFO] [stdout] test mining_width_maintainer::tests::fix_mining_width ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- mining_width::tests::test_wide_perimeter stdout ----
[INFO] [stdout] [[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 2, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[INFO] [stdout]  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]], shape=[15, 15], strides=[225, 15], layout=Custom (0x0), const ndim=2
[INFO] [stdout] 
[INFO] [stdout] thread 'mining_width::tests::test_wide_perimeter' (23) panicked at src/mining_width.rs:396:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [[2, 2, 5], [2, 3, 5], [2, 4, 5], [2, 5, 5], [2, 6, 5], [2, 7, 5], [2, 8, 5], [3, 2, 5], [3, 3, 5], [3, 4, 5], [3, 5, 5], [3, 6, 5], [3, 7, 5], [3, 8, 5], [4, 2, 5], [4, 3, 5], [4, 4, 5], [4, 5, 5], [4, 6, 5], [4, 7, 5], [4, 8, 5], [6, 2, 5], [6, 3, 5], [6, 4, 5], [6, 5, 5], [6, 6, 5], [6, 7, 5], [6, 8, 5], [7, 2, 5], [7, 3, 5], [7, 4, 5], [7, 5, 5], [7, 6, 5], [7, 7, 5], [7, 8, 5], [8, 2, 5], [8, 3, 5], [8, 4, 5], [8, 5, 5], [8, 6, 5], [8, 7, 5], [8, 8, 5], [5, 2, 5], [5, 3, 5], [5, 4, 5], [5, 6, 5], [5, 7, 5], [5, 8, 5]]
[INFO] [stdout]  right: [[4, 4, 5], [4, 5, 5], [4, 6, 5], [6, 4, 5], [6, 5, 5], [6, 6, 5], [5, 4, 5], [5, 6, 5]]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59d71b241b02 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59d71b241b02 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59d71b241b02 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59d71b241b02 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59d71b2573fa - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59d71b2573fa - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x59d71b246ae6 - std[840933623431fd06]::io::default_write_fmt::<alloc[40b2bae28975ac47]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59d71b246ae6 - <alloc[40b2bae28975ac47]::vec::Vec<u8> as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x59d71b21ff8f - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59d71b21ff8f - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59d71b239e39 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59d71b15859e - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x59d71b15859e - test[2f1252070343a163]::test_main_with_exit_callback::<test[2f1252070343a163]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x59d71b239ff2 - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x59d71b239ff2 - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59d71b220048 - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x59d71b2179e9 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59d71b220e9d - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59d71b257acc - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59d71b257983 - core[8f93d80df273fe75]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x59d71b13bb00 - core[8f93d80df273fe75]::panicking::assert_failed::<alloc[40b2bae28975ac47]::vec::Vec<[usize; 3usize]>, alloc[40b2bae28975ac47]::vec::Vec<[usize; 3usize]>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x59d71b12a1b3 - mining_width_maintainer[15babf61bc0c5f98]::mining_width::tests::test_wide_perimeter
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width.rs:396:9
[INFO] [stdout]   22:     0x59d71b124e67 - mining_width_maintainer[15babf61bc0c5f98]::mining_width::tests::test_wide_perimeter::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width.rs:383:29
[INFO] [stdout]   23:     0x59d71b11b906 - <mining_width_maintainer[15babf61bc0c5f98]::mining_width::tests::test_wide_perimeter::{closure#0} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x59d71b14c94b - <fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x59d71b14c94b - test[2f1252070343a163]::__rust_begin_short_backtrace::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x59d71b1591aa - test[2f1252070343a163]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x59d71b1591aa - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x59d71b1591aa - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x59d71b1591aa - std[840933623431fd06]::panicking::catch_unwind::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x59d71b1591aa - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x59d71b1591aa - test[2f1252070343a163]::run_test_in_process
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x59d71b1591aa - test[2f1252070343a163]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x59d71b153674 - test[2f1252070343a163]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x59d71b153674 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<test[2f1252070343a163]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x59d71b15bca2 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x59d71b15bca2 - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x59d71b15bca2 - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x59d71b15bca2 - std[840933623431fd06]::panicking::catch_unwind::<(), core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x59d71b15bca2 - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x59d71b15bca2 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x59d71b15bca2 - <std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x59d71b2413af - <alloc[40b2bae28975ac47]::boxed::Box<dyn core[8f93d80df273fe75]::ops::function::FnOnce<(), Output = ()> + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x59d71b2413af - <std[840933623431fd06]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x7a2311142aa4 - <unknown>
[INFO] [stdout]   45:     0x7a23111cfa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- mining_width_maintainer::tests::fix_preds stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'mining_width_maintainer::tests::fix_preds' (27) panicked at src/mining_width_maintainer.rs:959:65:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59d71b241b02 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59d71b241b02 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59d71b241b02 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59d71b241b02 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59d71b2573fa - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59d71b2573fa - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x59d71b246ae6 - std[840933623431fd06]::io::default_write_fmt::<alloc[40b2bae28975ac47]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59d71b246ae6 - <alloc[40b2bae28975ac47]::vec::Vec<u8> as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x59d71b21ff8f - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59d71b21ff8f - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59d71b239e39 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59d71b15859e - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x59d71b15859e - test[2f1252070343a163]::test_main_with_exit_callback::<test[2f1252070343a163]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x59d71b239ff2 - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x59d71b239ff2 - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59d71b220048 - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x59d71b2179e9 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59d71b220e9d - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59d71b257acc - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59d71b257842 - core[8f93d80df273fe75]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x59d71b12209b - <core[8f93d80df273fe75]::result::Result<std[840933623431fd06]::fs::File, std[840933623431fd06]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x59d71b12209b - mining_width_maintainer[15babf61bc0c5f98]::mining_width_maintainer::tests::fix_preds
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width_maintainer.rs:959:65
[INFO] [stdout]   22:     0x59d71b11eda7 - mining_width_maintainer[15babf61bc0c5f98]::mining_width_maintainer::tests::fix_preds::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width_maintainer.rs:939:19
[INFO] [stdout]   23:     0x59d71b11ba86 - <mining_width_maintainer[15babf61bc0c5f98]::mining_width_maintainer::tests::fix_preds::{closure#0} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x59d71b14c94b - <fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x59d71b14c94b - test[2f1252070343a163]::__rust_begin_short_backtrace::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x59d71b1591aa - test[2f1252070343a163]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x59d71b1591aa - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x59d71b1591aa - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x59d71b1591aa - std[840933623431fd06]::panicking::catch_unwind::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x59d71b1591aa - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x59d71b1591aa - test[2f1252070343a163]::run_test_in_process
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x59d71b1591aa - test[2f1252070343a163]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x59d71b153674 - test[2f1252070343a163]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x59d71b153674 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<test[2f1252070343a163]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x59d71b15bca2 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x59d71b15bca2 - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x59d71b15bca2 - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x59d71b15bca2 - std[840933623431fd06]::panicking::catch_unwind::<(), core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x59d71b15bca2 - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x59d71b15bca2 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x59d71b15bca2 - <std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x59d71b2413af - <alloc[40b2bae28975ac47]::boxed::Box<dyn core[8f93d80df273fe75]::ops::function::FnOnce<(), Output = ()> + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x59d71b2413af - <std[840933623431fd06]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x7a2311142aa4 - <unknown>
[INFO] [stdout]   45:     0x7a23111cfa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- mining_width_maintainer::tests::fix_mining_width stdout ----
[INFO] [stdout] Perturbed 0 times, perturbation: [22, 64, 23], 5
[INFO] [stdout] 
[INFO] [stdout] thread 'mining_width_maintainer::tests::fix_mining_width' (24) panicked at src/mining_width_maintainer.rs:998:88:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59d71b241b02 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59d71b241b02 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59d71b241b02 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59d71b241b02 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59d71b2573fa - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59d71b2573fa - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x59d71b246ae6 - std[840933623431fd06]::io::default_write_fmt::<alloc[40b2bae28975ac47]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59d71b246ae6 - <alloc[40b2bae28975ac47]::vec::Vec<u8> as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x59d71b21ff8f - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59d71b21ff8f - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59d71b239e39 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59d71b15859e - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x59d71b15859e - test[2f1252070343a163]::test_main_with_exit_callback::<test[2f1252070343a163]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x59d71b239ff2 - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x59d71b239ff2 - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59d71b220048 - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x59d71b2179e9 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59d71b220e9d - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59d71b257acc - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59d71b257842 - core[8f93d80df273fe75]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x59d71b121090 - <core[8f93d80df273fe75]::result::Result<std[840933623431fd06]::fs::File, std[840933623431fd06]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x59d71b121090 - mining_width_maintainer[15babf61bc0c5f98]::mining_width_maintainer::tests::fix_mining_width
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width_maintainer.rs:998:88
[INFO] [stdout]   22:     0x59d71b11ed17 - mining_width_maintainer[15babf61bc0c5f98]::mining_width_maintainer::tests::fix_mining_width::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width_maintainer.rs:966:26
[INFO] [stdout]   23:     0x59d71b11b9c6 - <mining_width_maintainer[15babf61bc0c5f98]::mining_width_maintainer::tests::fix_mining_width::{closure#0} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   24:     0x59d71b14c94b - <fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x59d71b14c94b - test[2f1252070343a163]::__rust_begin_short_backtrace::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x59d71b1591aa - test[2f1252070343a163]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x59d71b1591aa - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x59d71b1591aa - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x59d71b1591aa - std[840933623431fd06]::panicking::catch_unwind::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x59d71b1591aa - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x59d71b1591aa - test[2f1252070343a163]::run_test_in_process
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x59d71b1591aa - test[2f1252070343a163]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x59d71b153674 - test[2f1252070343a163]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x59d71b153674 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<test[2f1252070343a163]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x59d71b15bca2 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x59d71b15bca2 - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x59d71b15bca2 - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x59d71b15bca2 - std[840933623431fd06]::panicking::catch_unwind::<(), core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x59d71b15bca2 - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x59d71b15bca2 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x59d71b15bca2 - <std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x59d71b2413af - <alloc[40b2bae28975ac47]::boxed::Box<dyn core[8f93d80df273fe75]::ops::function::FnOnce<(), Output = ()> + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x59d71b2413af - <std[840933623431fd06]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x7a2311142aa4 - <unknown>
[INFO] [stdout]   45:     0x7a23111cfa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     mining_width::tests::test_wide_perimeter
[INFO] [stdout]     mining_width_maintainer::tests::fix_mining_width
[INFO] [stdout]     mining_width_maintainer::tests::fix_preds
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80bb8ee4d9367f84a42f270cd9e267950321beed2ddb7895b92b9264f42a3c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80bb8ee4d9367f84a42f270cd9e267950321beed2ddb7895b92b9264f42a3c8f", kill_on_drop: false }`
[INFO] [stdout] 80bb8ee4d9367f84a42f270cd9e267950321beed2ddb7895b92b9264f42a3c8f
