[INFO] fetching crate swapview 0.1.0...
[INFO] checking swapview-0.1.0 against master#01af5040fdada6ef8f1b749cda798d80a8590b2c for pr-84022
[INFO] extracting crate swapview 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate swapview 0.1.0 on toolchain 01af5040fdada6ef8f1b749cda798d80a8590b2c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+01af5040fdada6ef8f1b749cda798d80a8590b2c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swapview 0.1.0
[INFO] finished tweaking crates.io crate swapview 0.1.0
[INFO] tweaked toml for crates.io crate swapview 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate swapview 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+01af5040fdada6ef8f1b749cda798d80a8590b2c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+01af5040fdada6ef8f1b749cda798d80a8590b2c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e130adc6930f7555802f84c89b93f584409ddc4026eca50cab6c854512f292
[INFO] running `Command { std: "docker" "start" "-a" "a7e130adc6930f7555802f84c89b93f584409ddc4026eca50cab6c854512f292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e130adc6930f7555802f84c89b93f584409ddc4026eca50cab6c854512f292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e130adc6930f7555802f84c89b93f584409ddc4026eca50cab6c854512f292", kill_on_drop: false }`
[INFO] [stdout] a7e130adc6930f7555802f84c89b93f584409ddc4026eca50cab6c854512f292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+01af5040fdada6ef8f1b749cda798d80a8590b2c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09b9b88984e72ae1abc19274794c42a3f49cf02aa76968a4cfa051e0ea09a7ac
[INFO] running `Command { std: "docker" "start" "-a" "09b9b88984e72ae1abc19274794c42a3f49cf02aa76968a4cfa051e0ea09a7ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking swapview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.90s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "09b9b88984e72ae1abc19274794c42a3f49cf02aa76968a4cfa051e0ea09a7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b9b88984e72ae1abc19274794c42a3f49cf02aa76968a4cfa051e0ea09a7ac", kill_on_drop: false }`
[INFO] [stdout] 09b9b88984e72ae1abc19274794c42a3f49cf02aa76968a4cfa051e0ea09a7ac