[INFO] fetching crate median 0.3.2...
[INFO] testing median-0.3.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate median 0.3.2 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate median 0.3.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate median 0.3.2
[INFO] finished tweaking crates.io crate median 0.3.2
[INFO] tweaked toml for crates.io crate median 0.3.2 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 204e74eac58444aada8c7112304feb5b8f517e6b752a02eea2e3a1b0ad2051ad
[INFO] running `Command { std: "docker" "start" "-a" "204e74eac58444aada8c7112304feb5b8f517e6b752a02eea2e3a1b0ad2051ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "204e74eac58444aada8c7112304feb5b8f517e6b752a02eea2e3a1b0ad2051ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204e74eac58444aada8c7112304feb5b8f517e6b752a02eea2e3a1b0ad2051ad", kill_on_drop: false }`
[INFO] [stdout] 204e74eac58444aada8c7112304feb5b8f517e6b752a02eea2e3a1b0ad2051ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74e910f1f6387e223bc7fcfb47901736369a6f781a3e5cb56b61a9062e7ce881
[INFO] running `Command { std: "docker" "start" "-a" "74e910f1f6387e223bc7fcfb47901736369a6f781a3e5cb56b61a9062e7ce881", kill_on_drop: false }`
[INFO] [stderr]    Compiling median v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "74e910f1f6387e223bc7fcfb47901736369a6f781a3e5cb56b61a9062e7ce881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e910f1f6387e223bc7fcfb47901736369a6f781a3e5cb56b61a9062e7ce881", kill_on_drop: false }`
[INFO] [stdout] 74e910f1f6387e223bc7fcfb47901736369a6f781a3e5cb56b61a9062e7ce881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71c58611566eac3740ad2129c2078527baa23130879ed8f6ba8098d22ce70208
[INFO] running `Command { std: "docker" "start" "-a" "71c58611566eac3740ad2129c2078527baa23130879ed8f6ba8098d22ce70208", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling noisy_float v0.1.15
[INFO] [stderr]    Compiling median v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "71c58611566eac3740ad2129c2078527baa23130879ed8f6ba8098d22ce70208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c58611566eac3740ad2129c2078527baa23130879ed8f6ba8098d22ce70208", kill_on_drop: false }`
[INFO] [stdout] 71c58611566eac3740ad2129c2078527baa23130879ed8f6ba8098d22ce70208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97040ec3f66ec966ee2116c4fc5537879461311510b922f9679fb1393e7c5c4f
[INFO] running `Command { std: "docker" "start" "-a" "97040ec3f66ec966ee2116c4fc5537879461311510b922f9679fb1393e7c5c4f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/median-4df768820fead3cd)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test heap::tests::alternating_4 ... ok
[INFO] [stdout] test heap::tests::alternating_5 ... ok
[INFO] [stdout] test heap::tests::ascending_4 ... ok
[INFO] [stdout] test heap::tests::ascending_5 ... ok
[INFO] [stdout] test heap::tests::descending_4 ... ok
[INFO] [stdout] test heap::tests::descending_5 ... ok
[INFO] [stdout] test heap::tests::min_max_median ... ok
[INFO] [stdout] test heap::tests::quintuple_outlier_4 ... ok
[INFO] [stdout] test heap::tests::quintuple_outlier_5 ... ok
[INFO] [stdout] test heap::tests::single_outlier_4 ... ok
[INFO] [stdout] test heap::tests::single_outlier_5 ... ok
[INFO] [stdout] test heap::tests::single_peak_4 ... ok
[INFO] [stdout] test heap::tests::single_peak_5 ... ok
[INFO] [stdout] test heap::tests::single_valley_5 ... ok
[INFO] [stdout] test heap::tests::single_valley_4 ... ok
[INFO] [stdout] test heap::tests::triple_outlier_4 ... ok
[INFO] [stdout] test heap::tests::triple_outlier_5 ... ok
[INFO] [stdout] test stack::tests::alternating_4 ... ok
[INFO] [stdout] test stack::tests::alternating_5 ... ok
[INFO] [stdout] test stack::tests::ascending_4 ... ok
[INFO] [stdout] test stack::tests::ascending_5 ... ok
[INFO] [stdout] test stack::tests::descending_4 ... ok
[INFO] [stdout] test stack::tests::descending_5 ... ok
[INFO] [stdout] test stack::tests::min_max_median ... ok
[INFO] [stdout] test stack::tests::quintuple_outlier_4 ... ok
[INFO] [stdout] test stack::tests::quintuple_outlier_5 ... ok
[INFO] [stdout] test stack::tests::single_outlier_4 ... ok
[INFO] [stdout] test stack::tests::single_outlier_5 ... ok
[INFO] [stdout] test stack::tests::single_peak_4 ... ok
[INFO] [stdout] test stack::tests::single_peak_5 ... ok
[INFO] [stdout] test stack::tests::single_valley_4 ... ok
[INFO] [stdout] test stack::tests::triple_outlier_4 ... ok
[INFO] [stdout] test stack::tests::single_valley_5 ... ok
[INFO] [stdout] test stack::tests::triple_outlier_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests median
[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" "97040ec3f66ec966ee2116c4fc5537879461311510b922f9679fb1393e7c5c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97040ec3f66ec966ee2116c4fc5537879461311510b922f9679fb1393e7c5c4f", kill_on_drop: false }`
[INFO] [stdout] 97040ec3f66ec966ee2116c4fc5537879461311510b922f9679fb1393e7c5c4f