[INFO] fetching crate precision 0.1.11...
[INFO] testing precision-0.1.11 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate precision 0.1.11 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate precision 0.1.11 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 precision 0.1.11
[INFO] finished tweaking crates.io crate precision 0.1.11
[INFO] tweaked toml for crates.io crate precision 0.1.11 written to /workspace/builds/worker-77/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] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] ef5f26b7edb3d7465cca78d4dfae04eb0fc816df7ee68fcc65064788525c7081
[INFO] running `Command { std: "docker" "start" "-a" "ef5f26b7edb3d7465cca78d4dfae04eb0fc816df7ee68fcc65064788525c7081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5f26b7edb3d7465cca78d4dfae04eb0fc816df7ee68fcc65064788525c7081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5f26b7edb3d7465cca78d4dfae04eb0fc816df7ee68fcc65064788525c7081", kill_on_drop: false }`
[INFO] [stdout] ef5f26b7edb3d7465cca78d4dfae04eb0fc816df7ee68fcc65064788525c7081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 262dce39f6b6f12929ea3530cceedb9f8e54b1525a4fa7f83549bc5b48e2dcdd
[INFO] running `Command { std: "docker" "start" "-a" "262dce39f6b6f12929ea3530cceedb9f8e54b1525a4fa7f83549bc5b48e2dcdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling precision v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "262dce39f6b6f12929ea3530cceedb9f8e54b1525a4fa7f83549bc5b48e2dcdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "262dce39f6b6f12929ea3530cceedb9f8e54b1525a4fa7f83549bc5b48e2dcdd", kill_on_drop: false }`
[INFO] [stdout] 262dce39f6b6f12929ea3530cceedb9f8e54b1525a4fa7f83549bc5b48e2dcdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 4914d45f3dd9add7ecde85516ee5454874fc6e4d0f82189673a94859115c1185
[INFO] running `Command { std: "docker" "start" "-a" "4914d45f3dd9add7ecde85516ee5454874fc6e4d0f82189673a94859115c1185", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling precision v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "4914d45f3dd9add7ecde85516ee5454874fc6e4d0f82189673a94859115c1185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4914d45f3dd9add7ecde85516ee5454874fc6e4d0f82189673a94859115c1185", kill_on_drop: false }`
[INFO] [stdout] 4914d45f3dd9add7ecde85516ee5454874fc6e4d0f82189673a94859115c1185
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 35fdd3ccf3ee87cbd79f57d431f278e2a08e5beac87cc3a4a954c967d61dd1b1
[INFO] running `Command { std: "docker" "start" "-a" "35fdd3ccf3ee87cbd79f57d431f278e2a08e5beac87cc3a4a954c967d61dd1b1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/precision-9b61ad397e5433de)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_simple ... ok
[INFO] [stderr]    Doc-tests precision
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35fdd3ccf3ee87cbd79f57d431f278e2a08e5beac87cc3a4a954c967d61dd1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fdd3ccf3ee87cbd79f57d431f278e2a08e5beac87cc3a4a954c967d61dd1b1", kill_on_drop: false }`
[INFO] [stdout] 35fdd3ccf3ee87cbd79f57d431f278e2a08e5beac87cc3a4a954c967d61dd1b1