[INFO] cloning repository https://github.com/cburchert/rust_invaders
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cburchert/rust_invaders" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcburchert%2Frust_invaders", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcburchert%2Frust_invaders'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 224444d051707819b606634b3d0b3354d23cbf08
[INFO] checking cburchert/rust_invaders/224444d051707819b606634b3d0b3354d23cbf08 against try#88e773be5b0a68392bd25d47edd909e9b2d64a6a for pr-132268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcburchert%2Frust_invaders" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cburchert/rust_invaders on toolchain 88e773be5b0a68392bd25d47edd909e9b2d64a6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cburchert/rust_invaders
[INFO] finished tweaking git repo https://github.com/cburchert/rust_invaders
[INFO] tweaked toml for git repo https://github.com/cburchert/rust_invaders written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cburchert/rust_invaders 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" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "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 cburchert/rust_invaders/224444d051707819b606634b3d0b3354d23cbf08 against try#88e773be5b0a68392bd25d47edd909e9b2d64a6a for pr-132268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcburchert%2Frust_invaders" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cburchert/rust_invaders on toolchain 88e773be5b0a68392bd25d47edd909e9b2d64a6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cburchert/rust_invaders
[INFO] finished tweaking git repo https://github.com/cburchert/rust_invaders
[INFO] tweaked toml for git repo https://github.com/cburchert/rust_invaders written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cburchert/rust_invaders 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" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "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 csfml-window-sys v0.5.0
[INFO] [stderr]   Downloaded csfml-audio-sys v0.5.0
[INFO] [stderr]   Downloaded csfml-system-sys v0.5.0
[INFO] [stderr]   Downloaded sfml-build v0.3.0
[INFO] [stderr]   Downloaded csfml-graphics-sys v0.5.0
[INFO] [stderr]   Downloaded sfml v0.15.1
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 556f364511a649c5823c64b8d97c59d9af62abe9dacdcdd3afaa5ae0fb929987
[INFO] running `Command { std: "docker" "start" "-a" "556f364511a649c5823c64b8d97c59d9af62abe9dacdcdd3afaa5ae0fb929987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "556f364511a649c5823c64b8d97c59d9af62abe9dacdcdd3afaa5ae0fb929987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556f364511a649c5823c64b8d97c59d9af62abe9dacdcdd3afaa5ae0fb929987", kill_on_drop: false }`
[INFO] [stdout] 556f364511a649c5823c64b8d97c59d9af62abe9dacdcdd3afaa5ae0fb929987
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 229ce4a126ad1e6410a967ee7daf51af79787aa554fa473af348cd36924e035e
[INFO] running `Command { std: "docker" "start" "-a" "229ce4a126ad1e6410a967ee7daf51af79787aa554fa473af348cd36924e035e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfml-build v0.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling csfml-system-sys v0.5.0
[INFO] [stderr]    Compiling csfml-window-sys v0.5.0
[INFO] [stderr]    Compiling csfml-graphics-sys v0.5.0
[INFO] [stderr]    Compiling csfml-audio-sys v0.5.0
[INFO] [stderr]     Checking sfml v0.15.1
[INFO] [stderr]     Checking rust_invaders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `mut_at` is never used
[INFO] [stdout]   --> src/matrix.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | / impl<T> Matrix<T>
[INFO] [stdout] 10 | | where
[INFO] [stdout] 11 | |     T: Clone,
[INFO] [stdout]    | |_____________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |       pub fn mut_at(&mut self, col: usize, row: usize) -> &mut T {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mut_at` is never used
[INFO] [stdout]   --> src/matrix.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | / impl<T> Matrix<T>
[INFO] [stdout] 10 | | where
[INFO] [stdout] 11 | |     T: Clone,
[INFO] [stdout]    | |_____________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |       pub fn mut_at(&mut self, col: usize, row: usize) -> &mut T {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "229ce4a126ad1e6410a967ee7daf51af79787aa554fa473af348cd36924e035e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229ce4a126ad1e6410a967ee7daf51af79787aa554fa473af348cd36924e035e", kill_on_drop: false }`
[INFO] [stdout] 229ce4a126ad1e6410a967ee7daf51af79787aa554fa473af348cd36924e035e