[INFO] cloning repository https://github.com/tiby312/short_ref [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiby312/short_ref" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiby312%2Fshort_ref", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiby312%2Fshort_ref'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f1d68b9adcf97d4abe65acd10e144947060fd4f [INFO] checking tiby312/short_ref against master#bd71213cf0a765705e7d72a099151bd4eb465ccb for pr-123864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiby312%2Fshort_ref" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiby312/short_ref on toolchain bd71213cf0a765705e7d72a099151bd4eb465ccb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tiby312/short_ref [INFO] finished tweaking git repo https://github.com/tiby312/short_ref [INFO] tweaked toml for git repo https://github.com/tiby312/short_ref written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tiby312/short_ref 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" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking tiby312/short_ref against try#c0f799aeda763fc507814da0dc46c2dde7ca9133 for pr-123864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiby312%2Fshort_ref" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiby312/short_ref on toolchain c0f799aeda763fc507814da0dc46c2dde7ca9133 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tiby312/short_ref [INFO] finished tweaking git repo https://github.com/tiby312/short_ref [INFO] tweaked toml for git repo https://github.com/tiby312/short_ref written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tiby312/short_ref 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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 15ef930b1a0e2bba7fc06d9d45c0a853c6e7e7c53a032cfd4bdd97e5cc8b42ed [INFO] running `Command { std: "docker" "start" "-a" "15ef930b1a0e2bba7fc06d9d45c0a853c6e7e7c53a032cfd4bdd97e5cc8b42ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15ef930b1a0e2bba7fc06d9d45c0a853c6e7e7c53a032cfd4bdd97e5cc8b42ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15ef930b1a0e2bba7fc06d9d45c0a853c6e7e7c53a032cfd4bdd97e5cc8b42ed", kill_on_drop: false }` [INFO] [stdout] 15ef930b1a0e2bba7fc06d9d45c0a853c6e7e7c53a032cfd4bdd97e5cc8b42ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a05a6e67844d3c3cb28d86f4609e67537790a21c9c7784dccce6a0f5557bfa84 [INFO] running `Command { std: "docker" "start" "-a" "a05a6e67844d3c3cb28d86f4609e67537790a21c9c7784dccce6a0f5557bfa84", kill_on_drop: false }` [INFO] [stderr] Checking short_ref v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:26:29 [INFO] [stdout] | [INFO] [stdout] 26 | arr.iter_mut().map(|x|RefMut{_p:PhantomData,val:0}) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:26:29 [INFO] [stdout] | [INFO] [stdout] 26 | arr.iter_mut().map(|x|RefMut{_p:PhantomData,val:0}) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | struct RefMut<'a,T>{ [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 7 | _p:PhantomData<&'a mut T>, [INFO] [stdout] 8 | val:u16 [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RefMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct Base{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 12 | a:usize [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | struct RefMut<'a,T>{ [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 7 | _p:PhantomData<&'a mut T>, [INFO] [stdout] 8 | val:u16 [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RefMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct Base{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 12 | a:usize [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "a05a6e67844d3c3cb28d86f4609e67537790a21c9c7784dccce6a0f5557bfa84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a05a6e67844d3c3cb28d86f4609e67537790a21c9c7784dccce6a0f5557bfa84", kill_on_drop: false }` [INFO] [stdout] a05a6e67844d3c3cb28d86f4609e67537790a21c9c7784dccce6a0f5557bfa84