[INFO] cloning repository https://github.com/markglenn/zztrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markglenn/zztrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkglenn%2Fzztrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkglenn%2Fzztrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49e1bf5f02322ab3663f76bd47d82eb6755df88c
[INFO] checking markglenn/zztrs against try#18f0df251aa25bd85bb3d295ad1bd925a64b1ffc for pr-94063
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkglenn%2Fzztrs" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/markglenn/zztrs on toolchain 18f0df251aa25bd85bb3d295ad1bd925a64b1ffc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/markglenn/zztrs
[INFO] finished tweaking git repo https://github.com/markglenn/zztrs
[INFO] tweaked toml for git repo https://github.com/markglenn/zztrs written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/markglenn/zztrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atom v0.3.6
[INFO] [stderr]   Downloaded bracket-random v0.7.0
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[INFO] [stderr]   Downloaded bracket-algorithm-traits v0.7.0
[INFO] [stderr]   Downloaded bracket-geometry v0.7.0
[INFO] [stderr]   Downloaded hashbrown v0.7.2
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[INFO] [stderr]   Downloaded bracket-noise v0.7.0
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[INFO] [stderr]   Downloaded glow v0.4.0
[INFO] [stderr]   Downloaded bracket-lib v0.7.0
[INFO] [stderr]   Downloaded bracket-terminal v0.7.0
[INFO] [stderr]   Downloaded object-pool v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8cc00c87184a78e88bc251dcb7b59b74ff86b849061909f9b0146cf65e0c5b5
[INFO] running `Command { std: "docker" "start" "-a" "c8cc00c87184a78e88bc251dcb7b59b74ff86b849061909f9b0146cf65e0c5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8cc00c87184a78e88bc251dcb7b59b74ff86b849061909f9b0146cf65e0c5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8cc00c87184a78e88bc251dcb7b59b74ff86b849061909f9b0146cf65e0c5b5", kill_on_drop: false }`
[INFO] [stdout] c8cc00c87184a78e88bc251dcb7b59b74ff86b849061909f9b0146cf65e0c5b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2859e06e4547d7fca40874a0d440113864b114c84009ab0986c31e6ae6982e6d
[INFO] running `Command { std: "docker" "start" "-a" "2859e06e4547d7fca40874a0d440113864b114c84009ab0986c31e6ae6982e6d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling glow v0.4.0
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[INFO] [stderr]     Checking bracket-algorithm-traits v0.7.0
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[INFO] [stderr]     Checking winit v0.21.0
[INFO] [stderr]     Checking glutin v0.23.0
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[INFO] [stderr]     Checking zztrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `to_index`
[INFO] [stdout]   --> src/components/position.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn to_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_index`
[INFO] [stdout]   --> src/components/position.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn to_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.29s
[INFO] running `Command { std: "docker" "inspect" "2859e06e4547d7fca40874a0d440113864b114c84009ab0986c31e6ae6982e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2859e06e4547d7fca40874a0d440113864b114c84009ab0986c31e6ae6982e6d", kill_on_drop: false }`
[INFO] [stdout] 2859e06e4547d7fca40874a0d440113864b114c84009ab0986c31e6ae6982e6d