[INFO] fetching crate luv 0.9.2...
[INFO] checking luv-0.9.2 against master#90384941aae4ea38de00e4702b50757e9b882a19 for pr-138340
[INFO] extracting crate luv 0.9.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate luv 0.9.2 on toolchain 90384941aae4ea38de00e4702b50757e9b882a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate luv 0.9.2
[INFO] finished tweaking crates.io crate luv 0.9.2
[INFO] tweaked toml for crates.io crate luv 0.9.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb_derivation v0.2.0
[INFO] [stderr]   Downloaded rug v1.27.0
[INFO] [stderr]   Downloaded srgb v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7243ba4319e7295f136a0f114f8cbd46466538730c95a5bced9193533def67e9
[INFO] running `Command { std: "docker" "start" "-a" "7243ba4319e7295f136a0f114f8cbd46466538730c95a5bced9193533def67e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7243ba4319e7295f136a0f114f8cbd46466538730c95a5bced9193533def67e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7243ba4319e7295f136a0f114f8cbd46466538730c95a5bced9193533def67e9", kill_on_drop: false }`
[INFO] [stdout] 7243ba4319e7295f136a0f114f8cbd46466538730c95a5bced9193533def67e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f4f5830e9a56b51f638e927b5864dd04c229b7a6468656efb00723982be877e
[INFO] running `Command { std: "docker" "start" "-a" "1f4f5830e9a56b51f638e927b5864dd04c229b7a6468656efb00723982be877e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.27.0
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling rgb_derivation v0.2.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling num v0.4.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1f4f5830e9a56b51f638e927b5864dd04c229b7a6468656efb00723982be877e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4f5830e9a56b51f638e927b5864dd04c229b7a6468656efb00723982be877e", kill_on_drop: false }`
[INFO] [stdout] 1f4f5830e9a56b51f638e927b5864dd04c229b7a6468656efb00723982be877e