[INFO] fetching crate tbc 0.3.0...
[INFO] testing tbc-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tbc 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tbc 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tbc 0.3.0
[INFO] finished tweaking crates.io crate tbc 0.3.0
[INFO] tweaked toml for crates.io crate tbc 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac940563e56d0eb6279940c8f3ed1db86c00770dd1004cb1ce89bbf4ec3a6682
[INFO] running `Command { std: "docker" "start" "-a" "ac940563e56d0eb6279940c8f3ed1db86c00770dd1004cb1ce89bbf4ec3a6682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac940563e56d0eb6279940c8f3ed1db86c00770dd1004cb1ce89bbf4ec3a6682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac940563e56d0eb6279940c8f3ed1db86c00770dd1004cb1ce89bbf4ec3a6682", kill_on_drop: false }`
[INFO] [stdout] ac940563e56d0eb6279940c8f3ed1db86c00770dd1004cb1ce89bbf4ec3a6682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d2d9baa3c6e6883225c033505ea4d7c8a027227a33886fa6e73f037304f5a7d
[INFO] running `Command { std: "docker" "start" "-a" "5d2d9baa3c6e6883225c033505ea4d7c8a027227a33886fa6e73f037304f5a7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tbc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "5d2d9baa3c6e6883225c033505ea4d7c8a027227a33886fa6e73f037304f5a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2d9baa3c6e6883225c033505ea4d7c8a027227a33886fa6e73f037304f5a7d", kill_on_drop: false }`
[INFO] [stdout] 5d2d9baa3c6e6883225c033505ea4d7c8a027227a33886fa6e73f037304f5a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d7090622971f43e26b90f3cf2eacda6c394065d2d29e5e4452a32f4a3025935
[INFO] running `Command { std: "docker" "start" "-a" "9d7090622971f43e26b90f3cf2eacda6c394065d2d29e5e4452a32f4a3025935", kill_on_drop: false }`
[INFO] [stderr]    Compiling tbc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "9d7090622971f43e26b90f3cf2eacda6c394065d2d29e5e4452a32f4a3025935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7090622971f43e26b90f3cf2eacda6c394065d2d29e5e4452a32f4a3025935", kill_on_drop: false }`
[INFO] [stdout] 9d7090622971f43e26b90f3cf2eacda6c394065d2d29e5e4452a32f4a3025935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d0141044a03b8f1db526fb30bc8787ea5def12c86e51e52a5bb8684f4a30760
[INFO] running `Command { std: "docker" "start" "-a" "4d0141044a03b8f1db526fb30bc8787ea5def12c86e51e52a5bb8684f4a30760", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tbc-ab6ee2a5c03b8247)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_encode_block ... 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 tbc
[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" "4d0141044a03b8f1db526fb30bc8787ea5def12c86e51e52a5bb8684f4a30760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0141044a03b8f1db526fb30bc8787ea5def12c86e51e52a5bb8684f4a30760", kill_on_drop: false }`
[INFO] [stdout] 4d0141044a03b8f1db526fb30bc8787ea5def12c86e51e52a5bb8684f4a30760