[INFO] fetching crate syntaxdot-summary 0.4.0...
[INFO] testing syntaxdot-summary-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate syntaxdot-summary 0.4.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate syntaxdot-summary 0.4.0 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 syntaxdot-summary 0.4.0
[INFO] finished tweaking crates.io crate syntaxdot-summary 0.4.0
[INFO] tweaked toml for crates.io crate syntaxdot-summary 0.4.0 written to /workspace/builds/worker-20/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] efd7e8a4dfc28fc6a2ba17d2c311ecc3ff6c1257da66c130453bdf047ef8cb9f
[INFO] running `Command { std: "docker" "start" "-a" "efd7e8a4dfc28fc6a2ba17d2c311ecc3ff6c1257da66c130453bdf047ef8cb9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efd7e8a4dfc28fc6a2ba17d2c311ecc3ff6c1257da66c130453bdf047ef8cb9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd7e8a4dfc28fc6a2ba17d2c311ecc3ff6c1257da66c130453bdf047ef8cb9f", kill_on_drop: false }`
[INFO] [stdout] efd7e8a4dfc28fc6a2ba17d2c311ecc3ff6c1257da66c130453bdf047ef8cb9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 465f6878dd0f035245e25d589b837778c25eb31cb8dd576bbde530314396c0e6
[INFO] running `Command { std: "docker" "start" "-a" "465f6878dd0f035245e25d589b837778c25eb31cb8dd576bbde530314396c0e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling syntaxdot-summary v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.71s
[INFO] running `Command { std: "docker" "inspect" "465f6878dd0f035245e25d589b837778c25eb31cb8dd576bbde530314396c0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465f6878dd0f035245e25d589b837778c25eb31cb8dd576bbde530314396c0e6", kill_on_drop: false }`
[INFO] [stdout] 465f6878dd0f035245e25d589b837778c25eb31cb8dd576bbde530314396c0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] f9cc8885e53922efb8d0a7e3887367820c09572cd31b5a690911dc4d184c51af
[INFO] running `Command { std: "docker" "start" "-a" "f9cc8885e53922efb8d0a7e3887367820c09572cd31b5a690911dc4d184c51af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syntaxdot-summary v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "f9cc8885e53922efb8d0a7e3887367820c09572cd31b5a690911dc4d184c51af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9cc8885e53922efb8d0a7e3887367820c09572cd31b5a690911dc4d184c51af", kill_on_drop: false }`
[INFO] [stdout] f9cc8885e53922efb8d0a7e3887367820c09572cd31b5a690911dc4d184c51af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] da22475f04b48775688e6e61bfddd29bedb833954e36b5836317d49bbfbd3aaf
[INFO] running `Command { std: "docker" "start" "-a" "da22475f04b48775688e6e61bfddd29bedb833954e36b5836317d49bbfbd3aaf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syntaxdot_summary-56bd13f39fbba2d3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test summary_writer::tests::writes_the_same_output_as_tensorflow ... 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 syntaxdot-summary
[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" "da22475f04b48775688e6e61bfddd29bedb833954e36b5836317d49bbfbd3aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da22475f04b48775688e6e61bfddd29bedb833954e36b5836317d49bbfbd3aaf", kill_on_drop: false }`
[INFO] [stdout] da22475f04b48775688e6e61bfddd29bedb833954e36b5836317d49bbfbd3aaf