[INFO] cloning repository https://github.com/KrakenOverlord/temporal_difference
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KrakenOverlord/temporal_difference" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrakenOverlord%2Ftemporal_difference", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrakenOverlord%2Ftemporal_difference'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d65d1c95b7661d56ef7de0a79652d9f7809f81a
[INFO] checking KrakenOverlord/temporal_difference against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrakenOverlord%2Ftemporal_difference" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KrakenOverlord/temporal_difference on toolchain 84e729a59f216cc64755788a470f165429a731f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KrakenOverlord/temporal_difference
[INFO] finished tweaking git repo https://github.com/KrakenOverlord/temporal_difference
[INFO] tweaked toml for git repo https://github.com/KrakenOverlord/temporal_difference written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KrakenOverlord/temporal_difference 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" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.3
[INFO] [stderr]   Downloaded glutin v0.28.0
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[INFO] [stderr]   Downloaded gimli v0.26.1
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[INFO] [stderr]   Downloaded serde v1.0.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 703ce0883ad5d1fdf17f92412ffe1aabed0f15372b8b37c1db61ea7b9875049c
[INFO] running `Command { std: "docker" "start" "-a" "703ce0883ad5d1fdf17f92412ffe1aabed0f15372b8b37c1db61ea7b9875049c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "703ce0883ad5d1fdf17f92412ffe1aabed0f15372b8b37c1db61ea7b9875049c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703ce0883ad5d1fdf17f92412ffe1aabed0f15372b8b37c1db61ea7b9875049c", kill_on_drop: false }`
[INFO] [stdout] 703ce0883ad5d1fdf17f92412ffe1aabed0f15372b8b37c1db61ea7b9875049c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ac342ffadc76fe315818c9344410f10679a04572928a84ba3eda9cae5f9a744
[INFO] running `Command { std: "docker" "start" "-a" "8ac342ffadc76fe315818c9344410f10679a04572928a84ba3eda9cae5f9a744", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.5
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[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]     Checking once_cell v1.10.0
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[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]     Checking rand v0.8.5
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[INFO] [stderr]     Checking addr2line v0.17.0
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[INFO] [stderr]     Checking calloop v0.9.3
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking wayland-cursor v0.29.4
[INFO] [stderr]     Checking wayland-egl v0.29.4
[INFO] [stderr]     Checking glutin v0.28.0
[INFO] [stderr]     Checking speedy2d v1.7.0
[INFO] [stderr]     Checking temporal_difference v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `value_text` is never read
[INFO] [stdout]    --> src/draw.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut value_text = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `starting_state`
[INFO] [stdout]   --> src/main.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let starting_state = Main::select_starting_state(&self.environment);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_text` is never read
[INFO] [stdout]    --> src/draw.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut value_text = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `starting_state`
[INFO] [stdout]   --> src/main.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let starting_state = Main::select_starting_state(&self.environment);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.68s
[INFO] running `Command { std: "docker" "inspect" "8ac342ffadc76fe315818c9344410f10679a04572928a84ba3eda9cae5f9a744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac342ffadc76fe315818c9344410f10679a04572928a84ba3eda9cae5f9a744", kill_on_drop: false }`
[INFO] [stdout] 8ac342ffadc76fe315818c9344410f10679a04572928a84ba3eda9cae5f9a744