[INFO] fetching crate basic_tar 0.1.1...
[INFO] testing basic_tar-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate basic_tar 0.1.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate basic_tar 0.1.1 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 basic_tar 0.1.1
[INFO] finished tweaking crates.io crate basic_tar 0.1.1
[INFO] tweaked toml for crates.io crate basic_tar 0.1.1 written to /workspace/builds/worker-27/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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 93ac16daba62fbd5dfef82c77849a73e445fcf8219e934152b6deeea550a8d6f
[INFO] running `Command { std: "docker" "start" "-a" "93ac16daba62fbd5dfef82c77849a73e445fcf8219e934152b6deeea550a8d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93ac16daba62fbd5dfef82c77849a73e445fcf8219e934152b6deeea550a8d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ac16daba62fbd5dfef82c77849a73e445fcf8219e934152b6deeea550a8d6f", kill_on_drop: false }`
[INFO] [stdout] 93ac16daba62fbd5dfef82c77849a73e445fcf8219e934152b6deeea550a8d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 9fb1654673e7ff126f29ccc551cac718876dddc74a0ca8cc438cd292d3d687bb
[INFO] running `Command { std: "docker" "start" "-a" "9fb1654673e7ff126f29ccc551cac718876dddc74a0ca8cc438cd292d3d687bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling basic_tar v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "9fb1654673e7ff126f29ccc551cac718876dddc74a0ca8cc438cd292d3d687bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb1654673e7ff126f29ccc551cac718876dddc74a0ca8cc438cd292d3d687bb", kill_on_drop: false }`
[INFO] [stdout] 9fb1654673e7ff126f29ccc551cac718876dddc74a0ca8cc438cd292d3d687bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] a324517dd0c5faf5ebc1692a5b26be9839971529afbde1625cc11d18dfbacd75
[INFO] running `Command { std: "docker" "start" "-a" "a324517dd0c5faf5ebc1692a5b26be9839971529afbde1625cc11d18dfbacd75", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_tar v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "a324517dd0c5faf5ebc1692a5b26be9839971529afbde1625cc11d18dfbacd75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a324517dd0c5faf5ebc1692a5b26be9839971529afbde1625cc11d18dfbacd75", kill_on_drop: false }`
[INFO] [stdout] a324517dd0c5faf5ebc1692a5b26be9839971529afbde1625cc11d18dfbacd75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 334a8cff618cb534eb626b80afa6fa29384260c2124577a460cbd0cc2d01949d
[INFO] running `Command { std: "docker" "start" "-a" "334a8cff618cb534eb626b80afa6fa29384260c2124577a460cbd0cc2d01949d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_tar-a5055b1cef85890c)
[INFO] [stderr]      Running tests/predefined.rs (/opt/rustwide/target/debug/deps/predefined-40d83368babd7e41)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests basic_tar
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "334a8cff618cb534eb626b80afa6fa29384260c2124577a460cbd0cc2d01949d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334a8cff618cb534eb626b80afa6fa29384260c2124577a460cbd0cc2d01949d", kill_on_drop: false }`
[INFO] [stdout] 334a8cff618cb534eb626b80afa6fa29384260c2124577a460cbd0cc2d01949d