[INFO] cloning repository https://github.com/ueno-aki/r33d-solomon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ueno-aki/r33d-solomon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fueno-aki%2Fr33d-solomon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fueno-aki%2Fr33d-solomon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34c6676fcc76addd66ed2f6092de07156ddea72d
[INFO] checking ueno-aki/r33d-solomon against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fueno-aki%2Fr33d-solomon" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ueno-aki/r33d-solomon
[INFO] finished tweaking git repo https://github.com/ueno-aki/r33d-solomon
[INFO] tweaked toml for git repo https://github.com/ueno-aki/r33d-solomon written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ueno-aki/r33d-solomon on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ueno-aki/r33d-solomon 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking ueno-aki/r33d-solomon against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fueno-aki%2Fr33d-solomon" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ueno-aki/r33d-solomon
[INFO] finished tweaking git repo https://github.com/ueno-aki/r33d-solomon
[INFO] tweaked toml for git repo https://github.com/ueno-aki/r33d-solomon written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ueno-aki/r33d-solomon on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ueno-aki/r33d-solomon 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4feb4f0ec9b2e319eabfe86bc3985d02517b20ebb43138f0e2d66b6d180289fe
[INFO] running `Command { std: "docker" "start" "-a" "4feb4f0ec9b2e319eabfe86bc3985d02517b20ebb43138f0e2d66b6d180289fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4feb4f0ec9b2e319eabfe86bc3985d02517b20ebb43138f0e2d66b6d180289fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4feb4f0ec9b2e319eabfe86bc3985d02517b20ebb43138f0e2d66b6d180289fe", kill_on_drop: false }`
[INFO] [stdout] 4feb4f0ec9b2e319eabfe86bc3985d02517b20ebb43138f0e2d66b6d180289fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc54c7f5ec5deaff29295ed2230b28479c8cdbbbd20b6e2c38539a0350a9b0f
[INFO] running `Command { std: "docker" "start" "-a" "bbc54c7f5ec5deaff29295ed2230b28479c8cdbbbd20b6e2c38539a0350a9b0f", kill_on_drop: false }`
[INFO] [stderr]     Checking reed-solomon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static `ALPHA_TABLE` is never used
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | static ALPHA_TABLE: Lazy<[Alpha; 255]> = Lazy::new(Alpha::generate_table);
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ALPHA_REV_TABLE` is never used
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static ALPHA_REV_TABLE: Lazy<[u8; 256]> = Lazy::new(|| {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Alpha` is never constructed
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Alpha(u8);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `GEN`, `ZERO`, `pow`, and `generate_table` are never used
[INFO] [stdout]   --> src/main.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Alpha {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 28 |     const GEN: Alpha = Alpha(0b11101);
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 29 |     const ZERO: Alpha = Alpha(0);
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 30 |
[INFO] [stdout] 31 |     fn pow(&self) -> Alpha {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn generate_table() -> [Alpha; 255] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Poly` is never constructed
[INFO] [stdout]   --> src/main.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct Poly(Vec<Alpha>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `normalize` is never used
[INFO] [stdout]   --> src/main.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Poly {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 81 |     fn normalize(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "bbc54c7f5ec5deaff29295ed2230b28479c8cdbbbd20b6e2c38539a0350a9b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc54c7f5ec5deaff29295ed2230b28479c8cdbbbd20b6e2c38539a0350a9b0f", kill_on_drop: false }`
[INFO] [stdout] bbc54c7f5ec5deaff29295ed2230b28479c8cdbbbd20b6e2c38539a0350a9b0f