[INFO] cloning repository https://github.com/Gavin-Niederman/vrooom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gavin-Niederman/vrooom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGavin-Niederman%2Fvrooom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGavin-Niederman%2Fvrooom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c64cf32abe8ac88d07f14a4a092c348548a216b4
[INFO] checking Gavin-Niederman/vrooom against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGavin-Niederman%2Fvrooom" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Gavin-Niederman/vrooom
[INFO] finished tweaking git repo https://github.com/Gavin-Niederman/vrooom
[INFO] tweaked toml for git repo https://github.com/Gavin-Niederman/vrooom written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Gavin-Niederman/vrooom on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Gavin-Niederman/vrooom 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" "+f70ee28831acc074c109afab32d287057c3eca46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Gavin-Niederman/vrooom against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGavin-Niederman%2Fvrooom" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Gavin-Niederman/vrooom
[INFO] finished tweaking git repo https://github.com/Gavin-Niederman/vrooom
[INFO] tweaked toml for git repo https://github.com/Gavin-Niederman/vrooom written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Gavin-Niederman/vrooom on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Gavin-Niederman/vrooom 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" "+f70ee28831acc074c109afab32d287057c3eca46" "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 replace_with v0.1.7
[INFO] [stderr]   Downloaded vex-libunwind v0.1.0
[INFO] [stderr]   Downloaded snafu-derive v0.8.5
[INFO] [stderr]   Downloaded vexide-core v0.4.1
[INFO] [stderr]   Downloaded vex-libunwind-sys v0.1.0
[INFO] [stderr]   Downloaded pin-project v1.1.6
[INFO] [stderr]   Downloaded no_std_io v0.6.0
[INFO] [stderr]   Downloaded pin-project-internal v1.1.6
[INFO] [stderr]   Downloaded talc v4.4.1
[INFO] [stderr]   Downloaded dlmalloc v0.2.7
[INFO] [stderr]   Downloaded snafu v0.8.5
[INFO] [stderr]   Downloaded vex-sdk v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42e74ee618bd1f5dd083fb3ee557015e09a6ab7eca23c2d4ee2a2ff49d0a80b9
[INFO] running `Command { std: "docker" "start" "-a" "42e74ee618bd1f5dd083fb3ee557015e09a6ab7eca23c2d4ee2a2ff49d0a80b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42e74ee618bd1f5dd083fb3ee557015e09a6ab7eca23c2d4ee2a2ff49d0a80b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e74ee618bd1f5dd083fb3ee557015e09a6ab7eca23c2d4ee2a2ff49d0a80b9", kill_on_drop: false }`
[INFO] [stdout] 42e74ee618bd1f5dd083fb3ee557015e09a6ab7eca23c2d4ee2a2ff49d0a80b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fd6b7674d1f5b6ee3f146c00df58139678d9ddd68e3af4ebbea37861114a9d1
[INFO] running `Command { std: "docker" "start" "-a" "3fd6b7674d1f5b6ee3f146c00df58139678d9ddd68e3af4ebbea37861114a9d1", kill_on_drop: false }`
[INFO] [stderr]     Checking vrooom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::math::Math`
[INFO] [stdout]  --> src/pid.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::math::Math as _;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::Math`
[INFO] [stdout]  --> src/pid.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::math::Math as _;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Math` is never used
[INFO] [stdout]  --> src/math.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub trait Math {
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Math` is never used
[INFO] [stdout]  --> src/math.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub trait Math {
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "3fd6b7674d1f5b6ee3f146c00df58139678d9ddd68e3af4ebbea37861114a9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd6b7674d1f5b6ee3f146c00df58139678d9ddd68e3af4ebbea37861114a9d1", kill_on_drop: false }`
[INFO] [stdout] 3fd6b7674d1f5b6ee3f146c00df58139678d9ddd68e3af4ebbea37861114a9d1