[INFO] cloning repository https://github.com/mutantbob/asymmetric-numeral-systems
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mutantbob/asymmetric-numeral-systems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutantbob%2Fasymmetric-numeral-systems", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutantbob%2Fasymmetric-numeral-systems'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72bb04ae2f0d8d05b6646370b922ec9ab6f91493
[INFO] checking mutantbob/asymmetric-numeral-systems against try#f3d95de532264a1215023baa665c0028aecf74b1 for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutantbob%2Fasymmetric-numeral-systems" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mutantbob/asymmetric-numeral-systems
[INFO] finished tweaking git repo https://github.com/mutantbob/asymmetric-numeral-systems
[INFO] tweaked toml for git repo https://github.com/mutantbob/asymmetric-numeral-systems written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mutantbob/asymmetric-numeral-systems on toolchain f3d95de532264a1215023baa665c0028aecf74b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mutantbob/asymmetric-numeral-systems 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" "+f3d95de532264a1215023baa665c0028aecf74b1" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] checking mutantbob/asymmetric-numeral-systems against try#f3d95de532264a1215023baa665c0028aecf74b1 for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutantbob%2Fasymmetric-numeral-systems" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mutantbob/asymmetric-numeral-systems
[INFO] finished tweaking git repo https://github.com/mutantbob/asymmetric-numeral-systems
[INFO] tweaked toml for git repo https://github.com/mutantbob/asymmetric-numeral-systems written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mutantbob/asymmetric-numeral-systems on toolchain f3d95de532264a1215023baa665c0028aecf74b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mutantbob/asymmetric-numeral-systems 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" "+f3d95de532264a1215023baa665c0028aecf74b1" "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 spmc v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 939764d5f0046ee0c69049e0740f4cfbe51dee044fd6d77f5e1467d2c6f317dd
[INFO] running `Command { std: "docker" "start" "-a" "939764d5f0046ee0c69049e0740f4cfbe51dee044fd6d77f5e1467d2c6f317dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "939764d5f0046ee0c69049e0740f4cfbe51dee044fd6d77f5e1467d2c6f317dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939764d5f0046ee0c69049e0740f4cfbe51dee044fd6d77f5e1467d2c6f317dd", kill_on_drop: false }`
[INFO] [stdout] 939764d5f0046ee0c69049e0740f4cfbe51dee044fd6d77f5e1467d2c6f317dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ac41a2826177c5bcac1646f3dc8d9fe827c4b0fea515068b5f1ac5f67e29eea
[INFO] running `Command { std: "docker" "start" "-a" "5ac41a2826177c5bcac1646f3dc8d9fe827c4b0fea515068b5f1ac5f67e29eea", kill_on_drop: false }`
[INFO] [stderr]     Checking symbol-table v0.1.0 (/opt/rustwide/workdir/symbol-table)
[INFO] [stderr]     Checking spmc v0.3.0
[INFO] [stderr]     Checking ans-ordering v0.1.0 (/opt/rustwide/workdir/ans-ordering)
[INFO] [stderr]     Checking dump-encoding-tables-4symbol-phased v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "5ac41a2826177c5bcac1646f3dc8d9fe827c4b0fea515068b5f1ac5f67e29eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac41a2826177c5bcac1646f3dc8d9fe827c4b0fea515068b5f1ac5f67e29eea", kill_on_drop: false }`
[INFO] [stdout] 5ac41a2826177c5bcac1646f3dc8d9fe827c4b0fea515068b5f1ac5f67e29eea