[INFO] cloning repository https://github.com/supercurio/rust-issue-vec-array-iterators-perf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/supercurio/rust-issue-vec-array-iterators-perf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupercurio%2Frust-issue-vec-array-iterators-perf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupercurio%2Frust-issue-vec-array-iterators-perf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 761bdca66da7c71bc9d06609101c3337fc320d84
[INFO] checking supercurio/rust-issue-vec-array-iterators-perf against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupercurio%2Frust-issue-vec-array-iterators-perf" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/supercurio/rust-issue-vec-array-iterators-perf on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/supercurio/rust-issue-vec-array-iterators-perf
[INFO] finished tweaking git repo https://github.com/supercurio/rust-issue-vec-array-iterators-perf
[INFO] tweaked toml for git repo https://github.com/supercurio/rust-issue-vec-array-iterators-perf written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate git repo https://github.com/supercurio/rust-issue-vec-array-iterators-perf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14e6a29026f0744895fe56c61ccb7c07470323e7df0b9388e287ccaca7937cfa
[INFO] running `Command { std: "docker" "start" "-a" "14e6a29026f0744895fe56c61ccb7c07470323e7df0b9388e287ccaca7937cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14e6a29026f0744895fe56c61ccb7c07470323e7df0b9388e287ccaca7937cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e6a29026f0744895fe56c61ccb7c07470323e7df0b9388e287ccaca7937cfa", kill_on_drop: false }`
[INFO] [stdout] 14e6a29026f0744895fe56c61ccb7c07470323e7df0b9388e287ccaca7937cfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c53230a68edb265d44b10178529c7288ce2fcaa278d4e3241347556ceeff9052
[INFO] running `Command { std: "docker" "start" "-a" "c53230a68edb265d44b10178529c7288ce2fcaa278d4e3241347556ceeff9052", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking vec-array-iterators-perf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.07s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "c53230a68edb265d44b10178529c7288ce2fcaa278d4e3241347556ceeff9052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53230a68edb265d44b10178529c7288ce2fcaa278d4e3241347556ceeff9052", kill_on_drop: false }`
[INFO] [stdout] c53230a68edb265d44b10178529c7288ce2fcaa278d4e3241347556ceeff9052