[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 master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutlerjake%2Fmining_width_maintainer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cutlerjake/mining_width_maintainer on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-tc1/source/Cargo.toml
[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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]   Downloaded depends v0.10.1
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[INFO] [stdout] 83f6c86cde3d9fd9989280b58041ada5abda32d24f8ef205a35f9d6acc975ce1
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[INFO] [stderr]    Compiling proc-macro2 v1.0.66
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[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]    Compiling matrixmultiply v0.3.7
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[INFO] [stderr]    Compiling num-rational v0.4.1
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[INFO] [stderr]    Compiling getrandom v0.2.10
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[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling num v0.4.1
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[INFO] [stderr]    Compiling pest v2.7.2
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[INFO] [stderr]    Compiling pest_generator v2.7.2
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[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)]` 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)]` 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)]` 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)]` 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] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.36s
[INFO] running `Command { std: "docker" "inspect" "83f6c86cde3d9fd9989280b58041ada5abda32d24f8ef205a35f9d6acc975ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f6c86cde3d9fd9989280b58041ada5abda32d24f8ef205a35f9d6acc975ce1", kill_on_drop: false }`
[INFO] [stdout] 83f6c86cde3d9fd9989280b58041ada5abda32d24f8ef205a35f9d6acc975ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b16db2785b09aadc0b478889b0613d252aba75830a42ebd255dae3f75cb426
[INFO] running `Command { std: "docker" "start" "-a" "f8b16db2785b09aadc0b478889b0613d252aba75830a42ebd255dae3f75cb426", 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)]` 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)]` 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)]` 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)]` 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: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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)]` 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)]` 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)]` 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] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "f8b16db2785b09aadc0b478889b0613d252aba75830a42ebd255dae3f75cb426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b16db2785b09aadc0b478889b0613d252aba75830a42ebd255dae3f75cb426", kill_on_drop: false }`
[INFO] [stdout] f8b16db2785b09aadc0b478889b0613d252aba75830a42ebd255dae3f75cb426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f348f209c61f9ab55344b519fab1cc7c4da4203f6ead7255226b617e819ae80
[INFO] running `Command { std: "docker" "start" "-a" "0f348f209c61f9ab55344b519fab1cc7c4da4203f6ead7255226b617e819ae80", 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)]` 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)]` 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)]` 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)]` 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)]` 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 3 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mining_width_maintainer-a4a48c37b75384d3)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test mining_width::tests::test_inds_full ... 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::tests::test_intersecting ... ok
[INFO] [stdout] test mining_width::tests::neighbors_on_boundaries ... ok
[INFO] [stdout] test mining_width::tests::test_perimeter ... ok
[INFO] [stdout] test mining_width_maintainer::tests::set_internal_inds ... 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::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] thread 'mining_width::tests::test_wide_perimeter' 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:     0x55d7f94f73c5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55d7f94f73c5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d7f94f73c5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55d7f94f73c5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d7f951e58b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55d7f951e58b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55d7f94f4bff - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55d7f94f719e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55d7f94f719e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55d7f94f8bc9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55d7f94f888e - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55d7f9439c7a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55d7f9439c7a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55d7f94f91cb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55d7f94f91cb - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55d7f94f8f44 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55d7f94f7889 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55d7f94f8c77 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55d7f93bccb3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55d7f93bd09e - core::panicking::assert_failed_inner::h01c8f7f0c1caba58
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:408:17
[INFO] [stdout]   20:     0x55d7f93c73ce - core::panicking::assert_failed::hbcf1bb0efc35a46c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:363:5
[INFO] [stdout]   21:     0x55d7f93ce581 - mining_width_maintainer::mining_width::tests::test_wide_perimeter::hc512256e339ecbe7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width.rs:396:9
[INFO] [stdout]   22:     0x55d7f93cd637 - mining_width_maintainer::mining_width::tests::test_wide_perimeter::{{closure}}::h71b3903fe18e0b4d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width.rs:383:29
[INFO] [stdout]   23:     0x55d7f93c5036 - core::ops::function::FnOnce::call_once::h6bd5dbbc6c09a01b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55d7f943e65b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55d7f943e65b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x55d7f943dd61 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x55d7f943dd61 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55d7f943dd61 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x55d7f943dd61 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x55d7f943dd61 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x55d7f943dd61 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x55d7f943dd61 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x55d7f9406724 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x55d7f9406724 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55d7f940b152 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x55d7f940b152 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55d7f940b152 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x55d7f940b152 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x55d7f940b152 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x55d7f940b152 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x55d7f940b152 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7f94fd4cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x55d7f94fd4cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x55d7f94fd4cb - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f8edcd11ac3 - <unknown>
[INFO] [stdout]   46:     0x7f8edcda2a04 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- mining_width_maintainer::tests::fix_preds stdout ----
[INFO] [stdout] thread 'mining_width_maintainer::tests::fix_preds' 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:     0x55d7f94f73c5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55d7f94f73c5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d7f94f73c5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55d7f94f73c5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d7f951e58b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55d7f951e58b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55d7f94f4bff - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55d7f94f719e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55d7f94f719e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55d7f94f8bc9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55d7f94f888e - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55d7f9439c7a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55d7f9439c7a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55d7f94f91cb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55d7f94f91cb - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55d7f94f8f44 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55d7f94f7889 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55d7f94f8c77 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55d7f93bccb3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55d7f93bd1e6 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55d7f93de899 - core::result::Result<T,E>::unwrap::hf3fa872cd472e9c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55d7f93de899 - mining_width_maintainer::mining_width_maintainer::tests::fix_preds::hb3386ebe8e3cd10b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width_maintainer.rs:959:38
[INFO] [stdout]   22:     0x55d7f93de687 - mining_width_maintainer::mining_width_maintainer::tests::fix_preds::{{closure}}::h7a564d7a2d719b3b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width_maintainer.rs:939:19
[INFO] [stdout]   23:     0x55d7f93c4f16 - core::ops::function::FnOnce::call_once::h58f1511077566879
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55d7f943e65b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55d7f943e65b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x55d7f943dd61 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x55d7f943dd61 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55d7f943dd61 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x55d7f943dd61 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x55d7f943dd61 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x55d7f943dd61 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x55d7f943dd61 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x55d7f9406724 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x55d7f9406724 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55d7f940b152 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x55d7f940b152 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55d7f940b152 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x55d7f940b152 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x55d7f940b152 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x55d7f940b152 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x55d7f940b152 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7f94fd4cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x55d7f94fd4cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x55d7f94fd4cb - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f8edcd11ac3 - <unknown>
[INFO] [stdout]   46:     0x7f8edcda2a04 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- mining_width_maintainer::tests::fix_mining_width stdout ----
[INFO] [stdout] Perturbed 0 times, perturbation: [80, 86, 9], 1
[INFO] [stdout] thread 'mining_width_maintainer::tests::fix_mining_width' 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:     0x55d7f94f73c5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55d7f94f73c5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d7f94f73c5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55d7f94f73c5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d7f951e58b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55d7f951e58b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55d7f94f4bff - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55d7f94f719e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55d7f94f719e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55d7f94f8bc9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55d7f94f888e - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55d7f9439c7a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55d7f9439c7a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55d7f94f91cb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55d7f94f91cb - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55d7f94f8f44 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55d7f94f7889 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55d7f94f8c77 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55d7f93bccb3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55d7f93bd1e6 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55d7f93df5c8 - core::result::Result<T,E>::unwrap::hf3fa872cd472e9c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55d7f93df5c8 - mining_width_maintainer::mining_width_maintainer::tests::fix_mining_width::h788e540221479691
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width_maintainer.rs:998:46
[INFO] [stdout]   22:     0x55d7f93debc7 - mining_width_maintainer::mining_width_maintainer::tests::fix_mining_width::{{closure}}::hb2257f0ac8ce8187
[INFO] [stdout]                                at /opt/rustwide/workdir/src/mining_width_maintainer.rs:966:26
[INFO] [stdout]   23:     0x55d7f93c4ed6 - core::ops::function::FnOnce::call_once::h39631895c1bdf3ca
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55d7f943e65b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55d7f943e65b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x55d7f943dd61 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x55d7f943dd61 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55d7f943dd61 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x55d7f943dd61 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x55d7f943dd61 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x55d7f943dd61 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x55d7f943dd61 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x55d7f9406724 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x55d7f9406724 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55d7f940b152 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x55d7f940b152 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55d7f940b152 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x55d7f940b152 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x55d7f940b152 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x55d7f940b152 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x55d7f940b152 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7f94fd4cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x55d7f94fd4cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x55d7f94fd4cb - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f8edcd11ac3 - <unknown>
[INFO] [stdout]   46:     0x7f8edcda2a04 - __clone
[INFO] [stdout]   47:                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 0.53s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "0f348f209c61f9ab55344b519fab1cc7c4da4203f6ead7255226b617e819ae80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f348f209c61f9ab55344b519fab1cc7c4da4203f6ead7255226b617e819ae80", kill_on_drop: false }`
[INFO] [stdout] 0f348f209c61f9ab55344b519fab1cc7c4da4203f6ead7255226b617e819ae80
