[INFO] fetching crate snec 1.0.0...
[INFO] testing snec-1.0.0 against master#6c20ab744b0f82646d90ce9d25894823abc9c669 for pr-99093
[INFO] extracting crate snec 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate snec 1.0.0 on toolchain 6c20ab744b0f82646d90ce9d25894823abc9c669
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snec 1.0.0
[INFO] finished tweaking crates.io crate snec 1.0.0
[INFO] tweaked toml for crates.io crate snec 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "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 snec_macros v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2880c8bd5c67758f8707a66d2ed1f1ba51a5c5fac2a79316a3b1c4d400e0d35
[INFO] running `Command { std: "docker" "start" "-a" "a2880c8bd5c67758f8707a66d2ed1f1ba51a5c5fac2a79316a3b1c4d400e0d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2880c8bd5c67758f8707a66d2ed1f1ba51a5c5fac2a79316a3b1c4d400e0d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2880c8bd5c67758f8707a66d2ed1f1ba51a5c5fac2a79316a3b1c4d400e0d35", kill_on_drop: false }`
[INFO] [stdout] a2880c8bd5c67758f8707a66d2ed1f1ba51a5c5fac2a79316a3b1c4d400e0d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd33f910213936a9def225f38a62ad2ed0ff1251bf8fd4fcf483c1c00c220ca3
[INFO] running `Command { std: "docker" "start" "-a" "cd33f910213936a9def225f38a62ad2ed0ff1251bf8fd4fcf483c1c00c220ca3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling snec_macros v1.0.0
[INFO] [stderr]    Compiling snec v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "cd33f910213936a9def225f38a62ad2ed0ff1251bf8fd4fcf483c1c00c220ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd33f910213936a9def225f38a62ad2ed0ff1251bf8fd4fcf483c1c00c220ca3", kill_on_drop: false }`
[INFO] [stdout] cd33f910213936a9def225f38a62ad2ed0ff1251bf8fd4fcf483c1c00c220ca3