[INFO] cloning repository https://github.com/mielpeeters/whister
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mielpeeters/whister" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmielpeeters%2Fwhister", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmielpeeters%2Fwhister'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d711201c756af8ecfafcf943667a3a3f075868fd
[INFO] checking mielpeeters/whister against try#3652eaba14e5de752eaa5a8ffcac7132f9244f07 for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmielpeeters%2Fwhister" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mielpeeters/whister on toolchain 3652eaba14e5de752eaa5a8ffcac7132f9244f07
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mielpeeters/whister
[INFO] finished tweaking git repo https://github.com/mielpeeters/whister
[INFO] tweaked toml for git repo https://github.com/mielpeeters/whister written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mielpeeters/whister 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" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "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 mielpeeters/whister against try#3652eaba14e5de752eaa5a8ffcac7132f9244f07 for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmielpeeters%2Fwhister" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mielpeeters/whister on toolchain 3652eaba14e5de752eaa5a8ffcac7132f9244f07
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mielpeeters/whister
[INFO] finished tweaking git repo https://github.com/mielpeeters/whister
[INFO] tweaked toml for git repo https://github.com/mielpeeters/whister written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mielpeeters/whister 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" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "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 termion v2.0.1
[INFO] [stderr]   Downloaded portable-atomic v1.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ea35b4a1bea38c5d9c60875e7d0ce3d7bccb0d9dd5ca067c0784e9f76de1699
[INFO] running `Command { std: "docker" "start" "-a" "8ea35b4a1bea38c5d9c60875e7d0ce3d7bccb0d9dd5ca067c0784e9f76de1699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ea35b4a1bea38c5d9c60875e7d0ce3d7bccb0d9dd5ca067c0784e9f76de1699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea35b4a1bea38c5d9c60875e7d0ce3d7bccb0d9dd5ca067c0784e9f76de1699", kill_on_drop: false }`
[INFO] [stdout] 8ea35b4a1bea38c5d9c60875e7d0ce3d7bccb0d9dd5ca067c0784e9f76de1699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d55639eecc2961df0d3abf14461c7b70e95c839c545493988eb6383c2de57302
[INFO] running `Command { std: "docker" "start" "-a" "d55639eecc2961df0d3abf14461c7b70e95c839c545493988eb6383c2de57302", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]    Compiling portable-atomic v1.3.3
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking text_io v0.1.12
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking indicatif v0.17.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking whister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "d55639eecc2961df0d3abf14461c7b70e95c839c545493988eb6383c2de57302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55639eecc2961df0d3abf14461c7b70e95c839c545493988eb6383c2de57302", kill_on_drop: false }`
[INFO] [stdout] d55639eecc2961df0d3abf14461c7b70e95c839c545493988eb6383c2de57302