[INFO] fetching crate labyrinth 0.0.0...
[INFO] checking labyrinth-0.0.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate labyrinth 0.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate labyrinth 0.0.0
[INFO] finished tweaking crates.io crate labyrinth 0.0.0
[INFO] tweaked toml for crates.io crate labyrinth 0.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate labyrinth 0.0.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74272734a023e05e0bedf66831b67ca18e0e8e7bc568871ad49f051fc3f9fda3
[INFO] running `Command { std: "docker" "start" "-a" "74272734a023e05e0bedf66831b67ca18e0e8e7bc568871ad49f051fc3f9fda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74272734a023e05e0bedf66831b67ca18e0e8e7bc568871ad49f051fc3f9fda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74272734a023e05e0bedf66831b67ca18e0e8e7bc568871ad49f051fc3f9fda3", kill_on_drop: false }`
[INFO] [stdout] 74272734a023e05e0bedf66831b67ca18e0e8e7bc568871ad49f051fc3f9fda3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3b811d55a9bc381d3e164b2d080b76812ded4a5ae6e5d7c007acf40553e7105
[INFO] running `Command { std: "docker" "start" "-a" "f3b811d55a9bc381d3e164b2d080b76812ded4a5ae6e5d7c007acf40553e7105", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking labyrinth v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]  --> src/radiant/mod.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]  --> src/radiant/mod.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/radiant/mod.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 let s = (i as f64 * delta) % 360.0;
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/radiant/mod.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let e = (i as f64 * delta + d) % 360.0;
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/radiant/mod.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let x = Segment360 { head: 100.0, tail: 200.0 };
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/radiant/mod.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let y = Segment360 { head: 150.0, tail: 250.0 };
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind`, `center`, `rings`, `exits`, `delta_angle`, and `seed` are never read
[INFO] [stdout]   --> src/radiant/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct LabyrinthConfig {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 10 |     kind: LabyrinthKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     /// center size
[INFO] [stdout] 12 |     center: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     /// rings out of center
[INFO] [stdout] 14 |     rings: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     /// number of exits
[INFO] [stdout] 16 |     exits: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     /// Each turn turns through `δ°` to prevent obvious axis
[INFO] [stdout] 18 |     delta_angle: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 19 |     seed: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LabyrinthConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/radiant/mod.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Labyrinth {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 65 |     config: LabyrinthConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `adjacent` is never read
[INFO] [stdout]   --> src/radiant/mod.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct LabyrinthState {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 70 |     adjacent: HashSet<Joint>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]    --> src/radiant/mod.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn test() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/radiant/mod.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 let s = (i as f64 * delta) % 360.0;
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delta_angle` is never used
[INFO] [stdout]    --> src/radiant/mod.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 129 | impl LabyrinthConfig {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] 130 |     fn delta_angle(&self) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/radiant/mod.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let e = (i as f64 * delta + d) % 360.0;
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/radiant/mod.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let x = Segment360 { head: 100.0, tail: 200.0 };
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/radiant/mod.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let y = Segment360 { head: 150.0, tail: 250.0 };
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind`, `center`, `rings`, `exits`, `delta_angle`, and `seed` are never read
[INFO] [stdout]   --> src/radiant/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct LabyrinthConfig {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 10 |     kind: LabyrinthKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     /// center size
[INFO] [stdout] 12 |     center: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     /// rings out of center
[INFO] [stdout] 14 |     rings: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     /// number of exits
[INFO] [stdout] 16 |     exits: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     /// Each turn turns through `δ°` to prevent obvious axis
[INFO] [stdout] 18 |     delta_angle: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 19 |     seed: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LabyrinthConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/radiant/mod.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Labyrinth {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 65 |     config: LabyrinthConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `adjacent` is never read
[INFO] [stdout]   --> src/radiant/mod.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct LabyrinthState {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 70 |     adjacent: HashSet<Joint>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]    --> src/radiant/mod.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn test() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delta_angle` is never used
[INFO] [stdout]    --> src/radiant/mod.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 129 | impl LabyrinthConfig {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] 130 |     fn delta_angle(&self) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "f3b811d55a9bc381d3e164b2d080b76812ded4a5ae6e5d7c007acf40553e7105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b811d55a9bc381d3e164b2d080b76812ded4a5ae6e5d7c007acf40553e7105", kill_on_drop: false }`
[INFO] [stdout] f3b811d55a9bc381d3e164b2d080b76812ded4a5ae6e5d7c007acf40553e7105