[INFO] fetching crate tbon 0.3.5...
[INFO] testing tbon-0.3.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tbon 0.3.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tbon 0.3.5 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 tbon 0.3.5
[INFO] finished tweaking crates.io crate tbon 0.3.5
[INFO] tweaked toml for crates.io crate tbon 0.3.5 written to /workspace/builds/worker-7/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7393b66cb3f118ee104a27387a996dbf7e110029c5b6be6d2c86e1344158e4cb
[INFO] running `Command { std: "docker" "start" "-a" "7393b66cb3f118ee104a27387a996dbf7e110029c5b6be6d2c86e1344158e4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7393b66cb3f118ee104a27387a996dbf7e110029c5b6be6d2c86e1344158e4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7393b66cb3f118ee104a27387a996dbf7e110029c5b6be6d2c86e1344158e4cb", kill_on_drop: false }`
[INFO] [stdout] 7393b66cb3f118ee104a27387a996dbf7e110029c5b6be6d2c86e1344158e4cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a3dae2450c8ff5aca0c9728cb82f67a43b7c5f57edfce738d69f96d642f560d6
[INFO] running `Command { std: "docker" "start" "-a" "a3dae2450c8ff5aca0c9728cb82f67a43b7c5f57edfce738d69f96d642f560d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling destream v0.5.0
[INFO] [stderr]    Compiling tbon v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.02s
[INFO] running `Command { std: "docker" "inspect" "a3dae2450c8ff5aca0c9728cb82f67a43b7c5f57edfce738d69f96d642f560d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3dae2450c8ff5aca0c9728cb82f67a43b7c5f57edfce738d69f96d642f560d6", kill_on_drop: false }`
[INFO] [stdout] a3dae2450c8ff5aca0c9728cb82f67a43b7c5f57edfce738d69f96d642f560d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 63819f2935b7e3570b3c0e3419ef42cd24789be4038cbc00d55b526787181189
[INFO] running `Command { std: "docker" "start" "-a" "63819f2935b7e3570b3c0e3419ef42cd24789be4038cbc00d55b526787181189", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling tbon v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.90s
[INFO] running `Command { std: "docker" "inspect" "63819f2935b7e3570b3c0e3419ef42cd24789be4038cbc00d55b526787181189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63819f2935b7e3570b3c0e3419ef42cd24789be4038cbc00d55b526787181189", kill_on_drop: false }`
[INFO] [stdout] 63819f2935b7e3570b3c0e3419ef42cd24789be4038cbc00d55b526787181189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 15f79e84774cbeaaf7eb371fa7734b5a6d252b6fdf277b2afdd236151b7690dd
[INFO] running `Command { std: "docker" "start" "-a" "15f79e84774cbeaaf7eb371fa7734b5a6d252b6fdf277b2afdd236151b7690dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tbon-7a478e97906bd3d4)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_tuple ... ok
[INFO] [stdout] test tests::test_compound ... ok
[INFO] [stdout] test tests::test_strings ... ok
[INFO] [stdout] test tests::test_array ... ok
[INFO] [stderr]    Doc-tests tbon
[INFO] [stdout] test tests::test_primitives ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.89s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15f79e84774cbeaaf7eb371fa7734b5a6d252b6fdf277b2afdd236151b7690dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f79e84774cbeaaf7eb371fa7734b5a6d252b6fdf277b2afdd236151b7690dd", kill_on_drop: false }`
[INFO] [stdout] 15f79e84774cbeaaf7eb371fa7734b5a6d252b6fdf277b2afdd236151b7690dd