[INFO] fetching crate unroll 0.1.5...
[INFO] testing unroll-0.1.5 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate unroll 0.1.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate unroll 0.1.5 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unroll 0.1.5
[INFO] finished tweaking crates.io crate unroll 0.1.5
[INFO] tweaked toml for crates.io crate unroll 0.1.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa2a946d07a9389834be82899b9cd26abe53c0fbb45df191da167a4ff55f97ad
[INFO] running `Command { std: "docker" "start" "-a" "fa2a946d07a9389834be82899b9cd26abe53c0fbb45df191da167a4ff55f97ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2a946d07a9389834be82899b9cd26abe53c0fbb45df191da167a4ff55f97ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2a946d07a9389834be82899b9cd26abe53c0fbb45df191da167a4ff55f97ad", kill_on_drop: false }`
[INFO] [stdout] fa2a946d07a9389834be82899b9cd26abe53c0fbb45df191da167a4ff55f97ad
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a8e2c70be303c7ad17c34b65d5e4c1d98da4bd99d5a942e92738f1900c5ec0f
[INFO] running `Command { std: "docker" "start" "-a" "2a8e2c70be303c7ad17c34b65d5e4c1d98da4bd99d5a942e92738f1900c5ec0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unroll v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "2a8e2c70be303c7ad17c34b65d5e4c1d98da4bd99d5a942e92738f1900c5ec0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8e2c70be303c7ad17c34b65d5e4c1d98da4bd99d5a942e92738f1900c5ec0f", kill_on_drop: false }`
[INFO] [stdout] 2a8e2c70be303c7ad17c34b65d5e4c1d98da4bd99d5a942e92738f1900c5ec0f
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1a2677bcbcc02d28b9651a37cbb61f2a22ba52c042f1e5d42aea31bcba3ad9f
[INFO] running `Command { std: "docker" "start" "-a" "e1a2677bcbcc02d28b9651a37cbb61f2a22ba52c042f1e5d42aea31bcba3ad9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling unroll v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.94s
[INFO] running `Command { std: "docker" "inspect" "e1a2677bcbcc02d28b9651a37cbb61f2a22ba52c042f1e5d42aea31bcba3ad9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a2677bcbcc02d28b9651a37cbb61f2a22ba52c042f1e5d42aea31bcba3ad9f", kill_on_drop: false }`
[INFO] [stdout] e1a2677bcbcc02d28b9651a37cbb61f2a22ba52c042f1e5d42aea31bcba3ad9f
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a66707c502c5e8f6c568a24864a09c0a60f75c4453f8420d50df15e2c4f540e2
[INFO] running `Command { std: "docker" "start" "-a" "a66707c502c5e8f6c568a24864a09c0a60f75c4453f8420d50df15e2c4f540e2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unroll-3ba1e655a873c632)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unroll
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a66707c502c5e8f6c568a24864a09c0a60f75c4453f8420d50df15e2c4f540e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66707c502c5e8f6c568a24864a09c0a60f75c4453f8420d50df15e2c4f540e2", kill_on_drop: false }`
[INFO] [stdout] a66707c502c5e8f6c568a24864a09c0a60f75c4453f8420d50df15e2c4f540e2