[INFO] cloning repository https://github.com/valerio-pescatori/rustwars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valerio-pescatori/rustwars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalerio-pescatori%2Frustwars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalerio-pescatori%2Frustwars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ced99cb1216d8e1b8c19486721a442771ccc40a
[INFO] checking valerio-pescatori/rustwars against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalerio-pescatori%2Frustwars" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/valerio-pescatori/rustwars on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/valerio-pescatori/rustwars
[INFO] finished tweaking git repo https://github.com/valerio-pescatori/rustwars
[INFO] tweaked toml for git repo https://github.com/valerio-pescatori/rustwars written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/valerio-pescatori/rustwars 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" "+099e089ab723e6ee96175f3496051098c60a4cd4" "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 valerio-pescatori/rustwars against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalerio-pescatori%2Frustwars" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/valerio-pescatori/rustwars on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/valerio-pescatori/rustwars
[INFO] finished tweaking git repo https://github.com/valerio-pescatori/rustwars
[INFO] tweaked toml for git repo https://github.com/valerio-pescatori/rustwars written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/valerio-pescatori/rustwars 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" "+099e089ab723e6ee96175f3496051098c60a4cd4" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e71e0f64fcc65c8c771bb0832ed02b7cc6e5ead6e5b3aa6e46e64600a150a42d
[INFO] running `Command { std: "docker" "start" "-a" "e71e0f64fcc65c8c771bb0832ed02b7cc6e5ead6e5b3aa6e46e64600a150a42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e71e0f64fcc65c8c771bb0832ed02b7cc6e5ead6e5b3aa6e46e64600a150a42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e71e0f64fcc65c8c771bb0832ed02b7cc6e5ead6e5b3aa6e46e64600a150a42d", kill_on_drop: false }`
[INFO] [stdout] e71e0f64fcc65c8c771bb0832ed02b7cc6e5ead6e5b3aa6e46e64600a150a42d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd4cbdcae6f4be5be17ece6bc2b283dffd55155fdcc3923dd15b58a891426330
[INFO] running `Command { std: "docker" "start" "-a" "bd4cbdcae6f4be5be17ece6bc2b283dffd55155fdcc3923dd15b58a891426330", kill_on_drop: false }`
[INFO] [stderr]     Checking rustwars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `to_better_camel_case` is never used
[INFO] [stdout]   --> src/to_camel_case.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn to_better_camel_case(text: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_better_camel_case` is never used
[INFO] [stdout]   --> src/to_camel_case.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn to_better_camel_case(text: &str) -> String {
[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 0.05s
[INFO] running `Command { std: "docker" "inspect" "bd4cbdcae6f4be5be17ece6bc2b283dffd55155fdcc3923dd15b58a891426330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4cbdcae6f4be5be17ece6bc2b283dffd55155fdcc3923dd15b58a891426330", kill_on_drop: false }`
[INFO] [stdout] bd4cbdcae6f4be5be17ece6bc2b283dffd55155fdcc3923dd15b58a891426330