[INFO] cloning repository https://github.com/RW21/chaos-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RW21/chaos-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRW21%2Fchaos-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRW21%2Fchaos-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fb37b2f6b33458f42811bccc7e50ba62294eb0e
[INFO] checking RW21/chaos-rust against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRW21%2Fchaos-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RW21/chaos-rust on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RW21/chaos-rust
[INFO] finished tweaking git repo https://github.com/RW21/chaos-rust
[INFO] tweaked toml for git repo https://github.com/RW21/chaos-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/RW21/chaos-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 528c54a3f7c2c3b012b3061b527abfdde659a79f1c038a07be1100a4863778a8
[INFO] running `Command { std: "docker" "start" "-a" "528c54a3f7c2c3b012b3061b527abfdde659a79f1c038a07be1100a4863778a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528c54a3f7c2c3b012b3061b527abfdde659a79f1c038a07be1100a4863778a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528c54a3f7c2c3b012b3061b527abfdde659a79f1c038a07be1100a4863778a8", kill_on_drop: false }`
[INFO] [stdout] 528c54a3f7c2c3b012b3061b527abfdde659a79f1c038a07be1100a4863778a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f32175ccc639693e74e235a0ae125f9ce522aa5453a31fafb4c1f98874e1aecb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f32175ccc639693e74e235a0ae125f9ce522aa5453a31fafb4c1f98874e1aecb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking weezl v0.1.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.0
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[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking tiff v0.6.1
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[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
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[INFO] [stderr]     Checking js-sys v0.3.46
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[INFO] [stderr]     Checking chaos_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `prohibited_new_edge` is never read
[INFO] [stdout]   --> src/chaos.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 prohibited_new_edge = prohibited_new_edge.rem_euclid(config.edges as i32);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_edge`
[INFO] [stdout]   --> src/chaos.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let mut current_edge = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_edge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `same_edge_cannot_be_chosen_next`
[INFO] [stdout]   --> src/chaos.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut same_edge_cannot_be_chosen_next = |previous_point: &Point| -> Point {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_same_edge_cannot_be_chosen_next`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_one_away_cannot_be_chosen_next`
[INFO] [stdout]   --> src/chaos.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let mut edge_one_away_cannot_be_chosen_next = |previous_point: &Point| -> Point {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_one_away_cannot_be_chosen_next`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/chaos.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let width = 1024;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/chaos.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let mut current_edge = 0;
[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/chaos.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut same_edge_cannot_be_chosen_next = |previous_point: &Point| -> Point {
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/chaos.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let mut edge_one_away_cannot_be_chosen_next = |previous_point: &Point| -> Point {
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `convert_to_index`
[INFO] [stdout]    --> src/chaos.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn convert_to_index(&self, point: &Self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prohibited_new_edge` is never read
[INFO] [stdout]   --> src/chaos.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 prohibited_new_edge = prohibited_new_edge.rem_euclid(config.edges as i32);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_edge`
[INFO] [stdout]   --> src/chaos.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let mut current_edge = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_edge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `same_edge_cannot_be_chosen_next`
[INFO] [stdout]   --> src/chaos.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut same_edge_cannot_be_chosen_next = |previous_point: &Point| -> Point {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_same_edge_cannot_be_chosen_next`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_one_away_cannot_be_chosen_next`
[INFO] [stdout]   --> src/chaos.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let mut edge_one_away_cannot_be_chosen_next = |previous_point: &Point| -> Point {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_one_away_cannot_be_chosen_next`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/chaos.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let width = 1024;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/chaos.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let mut current_edge = 0;
[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/chaos.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut same_edge_cannot_be_chosen_next = |previous_point: &Point| -> Point {
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/chaos.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let mut edge_one_away_cannot_be_chosen_next = |previous_point: &Point| -> Point {
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `convert_to_index`
[INFO] [stdout]    --> src/chaos.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn convert_to_index(&self, point: &Self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.24s
[INFO] running `Command { std: "docker" "inspect" "f32175ccc639693e74e235a0ae125f9ce522aa5453a31fafb4c1f98874e1aecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32175ccc639693e74e235a0ae125f9ce522aa5453a31fafb4c1f98874e1aecb", kill_on_drop: false }`
[INFO] [stdout] f32175ccc639693e74e235a0ae125f9ce522aa5453a31fafb4c1f98874e1aecb