[INFO] fetching crate hdrhist 0.5.0...
[INFO] testing hdrhist-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate hdrhist 0.5.0 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate hdrhist 0.5.0 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 hdrhist 0.5.0
[INFO] finished tweaking crates.io crate hdrhist 0.5.0
[INFO] tweaked toml for crates.io crate hdrhist 0.5.0 written to /workspace/builds/worker-98/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] [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-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 51f8c258b3369825df98681d36651a4d89380d72530d461bb5234ce5d573eeca
[INFO] running `Command { std: "docker" "start" "-a" "51f8c258b3369825df98681d36651a4d89380d72530d461bb5234ce5d573eeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51f8c258b3369825df98681d36651a4d89380d72530d461bb5234ce5d573eeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f8c258b3369825df98681d36651a4d89380d72530d461bb5234ce5d573eeca", kill_on_drop: false }`
[INFO] [stdout] 51f8c258b3369825df98681d36651a4d89380d72530d461bb5234ce5d573eeca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 8d41428d9ebdd2662161e59066deec9b74d39baed0fcbb1e97f218a1f2383673
[INFO] running `Command { std: "docker" "start" "-a" "8d41428d9ebdd2662161e59066deec9b74d39baed0fcbb1e97f218a1f2383673", kill_on_drop: false }`
[INFO] [stderr]    Compiling hdrhist v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "8d41428d9ebdd2662161e59066deec9b74d39baed0fcbb1e97f218a1f2383673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d41428d9ebdd2662161e59066deec9b74d39baed0fcbb1e97f218a1f2383673", kill_on_drop: false }`
[INFO] [stdout] 8d41428d9ebdd2662161e59066deec9b74d39baed0fcbb1e97f218a1f2383673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 061f8a801914e65e41410ac816896afe6e3c4ab128370e6a32d2d7f1b1f38c4a
[INFO] running `Command { std: "docker" "start" "-a" "061f8a801914e65e41410ac816896afe6e3c4ab128370e6a32d2d7f1b1f38c4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling drawille v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling textplots v0.2.3
[INFO] [stderr]    Compiling hdrhist v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "061f8a801914e65e41410ac816896afe6e3c4ab128370e6a32d2d7f1b1f38c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061f8a801914e65e41410ac816896afe6e3c4ab128370e6a32d2d7f1b1f38c4a", kill_on_drop: false }`
[INFO] [stdout] 061f8a801914e65e41410ac816896afe6e3c4ab128370e6a32d2d7f1b1f38c4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] b80a2e10f04f0b9dd7bd8a38621366c0c1c6b6286ffdf245ff792cc5e7a95a25
[INFO] running `Command { std: "docker" "start" "-a" "b80a2e10f04f0b9dd7bd8a38621366c0c1c6b6286ffdf245ff792cc5e7a95a25", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hdrhist-8f8cef5cd98bc708)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::no_panic_on_empty_hist ... ok
[INFO] [stdout] test tests::boundary_test ... ok
[INFO] [stdout] test tests::single_value ... ok
[INFO] [stdout] test tests::quartiles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hdrhist
[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" "b80a2e10f04f0b9dd7bd8a38621366c0c1c6b6286ffdf245ff792cc5e7a95a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80a2e10f04f0b9dd7bd8a38621366c0c1c6b6286ffdf245ff792cc5e7a95a25", kill_on_drop: false }`
[INFO] [stdout] b80a2e10f04f0b9dd7bd8a38621366c0c1c6b6286ffdf245ff792cc5e7a95a25