[INFO] cloning repository https://github.com/Kingalidj/Chronos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kingalidj/Chronos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKingalidj%2FChronos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKingalidj%2FChronos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e7f5971e2ca495b38b0dd1f5b0b4b940d4da575
[INFO] checking Kingalidj/Chronos against master#accc516128b21e960b1a7af45393e9acdd184890 for pr-122501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKingalidj%2FChronos" "/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/Kingalidj/Chronos on toolchain accc516128b21e960b1a7af45393e9acdd184890
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+accc516128b21e960b1a7af45393e9acdd184890" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kingalidj/Chronos
[INFO] finished tweaking git repo https://github.com/Kingalidj/Chronos
[INFO] tweaked toml for git repo https://github.com/Kingalidj/Chronos written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kingalidj/Chronos 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" "+accc516128b21e960b1a7af45393e9acdd184890" "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 Kingalidj/Chronos against try#32f93a5733992b29f321831b7e26c1f7d7205013 for pr-122501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKingalidj%2FChronos" "/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/Kingalidj/Chronos on toolchain 32f93a5733992b29f321831b7e26c1f7d7205013
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kingalidj/Chronos
[INFO] finished tweaking git repo https://github.com/Kingalidj/Chronos
[INFO] tweaked toml for git repo https://github.com/Kingalidj/Chronos written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kingalidj/Chronos 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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fc43807da978faed07ebeff171d54c519bc58c2aef9156054936c1421e678d4
[INFO] running `Command { std: "docker" "start" "-a" "4fc43807da978faed07ebeff171d54c519bc58c2aef9156054936c1421e678d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fc43807da978faed07ebeff171d54c519bc58c2aef9156054936c1421e678d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc43807da978faed07ebeff171d54c519bc58c2aef9156054936c1421e678d4", kill_on_drop: false }`
[INFO] [stdout] 4fc43807da978faed07ebeff171d54c519bc58c2aef9156054936c1421e678d4
[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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95f87ea2ee79801feb6a472fccac8abb1226267f460e2ba58751e08d52cd5566
[INFO] running `Command { std: "docker" "start" "-a" "95f87ea2ee79801feb6a472fccac8abb1226267f460e2ba58751e08d52cd5566", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking chronos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/interpreter.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/32f93a5733992b29f321831b7e26c1f7d7205013/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/interpreter.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/32f93a5733992b29f321831b7e26c1f7d7205013/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[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 4.85s
[INFO] running `Command { std: "docker" "inspect" "95f87ea2ee79801feb6a472fccac8abb1226267f460e2ba58751e08d52cd5566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f87ea2ee79801feb6a472fccac8abb1226267f460e2ba58751e08d52cd5566", kill_on_drop: false }`
[INFO] [stdout] 95f87ea2ee79801feb6a472fccac8abb1226267f460e2ba58751e08d52cd5566