[INFO] cloning repository https://github.com/galenguyer/adler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/galenguyer/adler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalenguyer%2Fadler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalenguyer%2Fadler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d77d13f704805368dfc7d3a4a36586362857b3fd
[INFO] checking galenguyer/adler against master#65cd843ae06ad00123c131a431ed5304e4cd577a for pr-122077
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalenguyer%2Fadler" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galenguyer/adler on toolchain 65cd843ae06ad00123c131a431ed5304e4cd577a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65cd843ae06ad00123c131a431ed5304e4cd577a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/galenguyer/adler
[INFO] finished tweaking git repo https://github.com/galenguyer/adler
[INFO] tweaked toml for git repo https://github.com/galenguyer/adler written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/galenguyer/adler 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" "+65cd843ae06ad00123c131a431ed5304e4cd577a" "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 galenguyer/adler against try#e34498b580c936a8f8a419616d9571f03b6c038e for pr-122077
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalenguyer%2Fadler" "/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/galenguyer/adler on toolchain e34498b580c936a8f8a419616d9571f03b6c038e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e34498b580c936a8f8a419616d9571f03b6c038e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/galenguyer/adler
[INFO] finished tweaking git repo https://github.com/galenguyer/adler
[INFO] tweaked toml for git repo https://github.com/galenguyer/adler written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/galenguyer/adler 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" "+e34498b580c936a8f8a419616d9571f03b6c038e" "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 galenguyer/adler against try#e34498b580c936a8f8a419616d9571f03b6c038e for pr-122077
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalenguyer%2Fadler" "/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/galenguyer/adler on toolchain e34498b580c936a8f8a419616d9571f03b6c038e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e34498b580c936a8f8a419616d9571f03b6c038e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/galenguyer/adler
[INFO] finished tweaking git repo https://github.com/galenguyer/adler
[INFO] tweaked toml for git repo https://github.com/galenguyer/adler written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/galenguyer/adler 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" "+e34498b580c936a8f8a419616d9571f03b6c038e" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e34498b580c936a8f8a419616d9571f03b6c038e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 534c0efbc3af48dcefaa6daad862a55bfa9766b6d0d44c2c8a15a0e278a1304d
[INFO] running `Command { std: "docker" "start" "-a" "534c0efbc3af48dcefaa6daad862a55bfa9766b6d0d44c2c8a15a0e278a1304d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "534c0efbc3af48dcefaa6daad862a55bfa9766b6d0d44c2c8a15a0e278a1304d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534c0efbc3af48dcefaa6daad862a55bfa9766b6d0d44c2c8a15a0e278a1304d", kill_on_drop: false }`
[INFO] [stdout] 534c0efbc3af48dcefaa6daad862a55bfa9766b6d0d44c2c8a15a0e278a1304d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e34498b580c936a8f8a419616d9571f03b6c038e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 310b520ac6cf86599542bda45554c7c644773259a0f9a81d11a4a0a4621cb1b1
[INFO] running `Command { std: "docker" "start" "-a" "310b520ac6cf86599542bda45554c7c644773259a0f9a81d11a4a0a4621cb1b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking simple_logger v2.1.0
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking adler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "310b520ac6cf86599542bda45554c7c644773259a0f9a81d11a4a0a4621cb1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310b520ac6cf86599542bda45554c7c644773259a0f9a81d11a4a0a4621cb1b1", kill_on_drop: false }`
[INFO] [stdout] 310b520ac6cf86599542bda45554c7c644773259a0f9a81d11a4a0a4621cb1b1