[INFO] fetching crate tackdb 0.1.0...
[INFO] testing tackdb-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tackdb 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tackdb 0.1.0 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 tackdb 0.1.0
[INFO] finished tweaking crates.io crate tackdb 0.1.0
[INFO] tweaked toml for crates.io crate tackdb 0.1.0 written to /workspace/builds/worker-14/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] dbfc226b55ef33321447ae765c2935003acf93ce76f6108953af06e4b3f17750
[INFO] running `Command { std: "docker" "start" "-a" "dbfc226b55ef33321447ae765c2935003acf93ce76f6108953af06e4b3f17750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbfc226b55ef33321447ae765c2935003acf93ce76f6108953af06e4b3f17750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbfc226b55ef33321447ae765c2935003acf93ce76f6108953af06e4b3f17750", kill_on_drop: false }`
[INFO] [stdout] dbfc226b55ef33321447ae765c2935003acf93ce76f6108953af06e4b3f17750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 8c010a1ae54369d9858bc138c7d334e11c99e3286b9a411070627a204af4865c
[INFO] running `Command { std: "docker" "start" "-a" "8c010a1ae54369d9858bc138c7d334e11c99e3286b9a411070627a204af4865c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tackdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "8c010a1ae54369d9858bc138c7d334e11c99e3286b9a411070627a204af4865c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c010a1ae54369d9858bc138c7d334e11c99e3286b9a411070627a204af4865c", kill_on_drop: false }`
[INFO] [stdout] 8c010a1ae54369d9858bc138c7d334e11c99e3286b9a411070627a204af4865c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 2ef7de6e8ab6e6251312e9e07d9bf4d03b4ed9235a9f358ef88bb4d9123568c5
[INFO] running `Command { std: "docker" "start" "-a" "2ef7de6e8ab6e6251312e9e07d9bf4d03b4ed9235a9f358ef88bb4d9123568c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tackdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "2ef7de6e8ab6e6251312e9e07d9bf4d03b4ed9235a9f358ef88bb4d9123568c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef7de6e8ab6e6251312e9e07d9bf4d03b4ed9235a9f358ef88bb4d9123568c5", kill_on_drop: false }`
[INFO] [stdout] 2ef7de6e8ab6e6251312e9e07d9bf4d03b4ed9235a9f358ef88bb4d9123568c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 472b8bf7371b4f19b83abc8d1dd6e2017bdc375af4a8a59a08b62641aac28e63
[INFO] running `Command { std: "docker" "start" "-a" "472b8bf7371b4f19b83abc8d1dd6e2017bdc375af4a8a59a08b62641aac28e63", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tackdb-45440a15ecbdc9b7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests tackdb
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "472b8bf7371b4f19b83abc8d1dd6e2017bdc375af4a8a59a08b62641aac28e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472b8bf7371b4f19b83abc8d1dd6e2017bdc375af4a8a59a08b62641aac28e63", kill_on_drop: false }`
[INFO] [stdout] 472b8bf7371b4f19b83abc8d1dd6e2017bdc375af4a8a59a08b62641aac28e63