[INFO] fetching crate contour_tracing 1.0.3...
[INFO] testing contour_tracing-1.0.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate contour_tracing 1.0.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate contour_tracing 1.0.3 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 contour_tracing 1.0.3
[INFO] finished tweaking crates.io crate contour_tracing 1.0.3
[INFO] tweaked toml for crates.io crate contour_tracing 1.0.3 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] bd03686768f42716abc1e1ef7bad4b3207dd5ff1c0288b0c0d85e7f6b2e05d54
[INFO] running `Command { std: "docker" "start" "-a" "bd03686768f42716abc1e1ef7bad4b3207dd5ff1c0288b0c0d85e7f6b2e05d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd03686768f42716abc1e1ef7bad4b3207dd5ff1c0288b0c0d85e7f6b2e05d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd03686768f42716abc1e1ef7bad4b3207dd5ff1c0288b0c0d85e7f6b2e05d54", kill_on_drop: false }`
[INFO] [stdout] bd03686768f42716abc1e1ef7bad4b3207dd5ff1c0288b0c0d85e7f6b2e05d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 41f120805a10f42a06d86d0b4eb6927a6f2ac29e9380a18c35846f0ef56e1e32
[INFO] running `Command { std: "docker" "start" "-a" "41f120805a10f42a06d86d0b4eb6927a6f2ac29e9380a18c35846f0ef56e1e32", kill_on_drop: false }`
[INFO] [stderr]    Compiling contour_tracing v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "41f120805a10f42a06d86d0b4eb6927a6f2ac29e9380a18c35846f0ef56e1e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f120805a10f42a06d86d0b4eb6927a6f2ac29e9380a18c35846f0ef56e1e32", kill_on_drop: false }`
[INFO] [stdout] 41f120805a10f42a06d86d0b4eb6927a6f2ac29e9380a18c35846f0ef56e1e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] ac99dc8671abe2c42e4ed0b568a25cd3bf5af7cf4d4a79083e5feb5253e743d5
[INFO] running `Command { std: "docker" "start" "-a" "ac99dc8671abe2c42e4ed0b568a25cd3bf5af7cf4d4a79083e5feb5253e743d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling contour_tracing v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "ac99dc8671abe2c42e4ed0b568a25cd3bf5af7cf4d4a79083e5feb5253e743d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac99dc8671abe2c42e4ed0b568a25cd3bf5af7cf4d4a79083e5feb5253e743d5", kill_on_drop: false }`
[INFO] [stdout] ac99dc8671abe2c42e4ed0b568a25cd3bf5af7cf4d4a79083e5feb5253e743d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 00d3034b496a042f61562ebbc4d2e41f4c9830ce2c15c1ad1a496ed6e948abb2
[INFO] running `Command { std: "docker" "start" "-a" "00d3034b496a042f61562ebbc4d2e41f4c9830ce2c15c1ad1a496ed6e948abb2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/contour_tracing-330ef39e43e837c9)
[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] [stderr]    Doc-tests contour_tracing
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - bits_to_paths (line 72) ... ok
[INFO] [stdout] test src/lib.rs - bits_to_paths (line 59) ... ok
[INFO] [stdout] test src/lib.rs - bits_to_paths (line 54) ... ok
[INFO] [stdout] test src/lib.rs - bits_to_paths (line 85) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "00d3034b496a042f61562ebbc4d2e41f4c9830ce2c15c1ad1a496ed6e948abb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d3034b496a042f61562ebbc4d2e41f4c9830ce2c15c1ad1a496ed6e948abb2", kill_on_drop: false }`
[INFO] [stdout] 00d3034b496a042f61562ebbc4d2e41f4c9830ce2c15c1ad1a496ed6e948abb2