[INFO] fetching crate scaling 0.1.3...
[INFO] testing scaling-0.1.3 against master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417
[INFO] extracting crate scaling 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate scaling 0.1.3 on toolchain d7bd9cd469ff6871420007f091ef52fc32d2ca99
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scaling 0.1.3
[INFO] finished tweaking crates.io crate scaling 0.1.3
[INFO] tweaked toml for crates.io crate scaling 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0bedc40185e2961d0eaadc1ac56bc665c9fe7b7169aa17a340da8c351cdcf0f
[INFO] running `Command { std: "docker" "start" "-a" "b0bedc40185e2961d0eaadc1ac56bc665c9fe7b7169aa17a340da8c351cdcf0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0bedc40185e2961d0eaadc1ac56bc665c9fe7b7169aa17a340da8c351cdcf0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0bedc40185e2961d0eaadc1ac56bc665c9fe7b7169aa17a340da8c351cdcf0f", kill_on_drop: false }`
[INFO] [stdout] b0bedc40185e2961d0eaadc1ac56bc665c9fe7b7169aa17a340da8c351cdcf0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e5d70291d29e684cf666a55c9fd6597db398cee3c4c7876d515c5912d6d5bd1
[INFO] running `Command { std: "docker" "start" "-a" "8e5d70291d29e684cf666a55c9fd6597db398cee3c4c7876d515c5912d6d5bd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling scaling v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "8e5d70291d29e684cf666a55c9fd6597db398cee3c4c7876d515c5912d6d5bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5d70291d29e684cf666a55c9fd6597db398cee3c4c7876d515c5912d6d5bd1", kill_on_drop: false }`
[INFO] [stdout] 8e5d70291d29e684cf666a55c9fd6597db398cee3c4c7876d515c5912d6d5bd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 361e67336824917e1aa9a1b57b4ac8dad2545e6cf5e6a2a293a4f84fceb5c4d9
[INFO] running `Command { std: "docker" "start" "-a" "361e67336824917e1aa9a1b57b4ac8dad2545e6cf5e6a2a293a4f84fceb5c4d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling scaling v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:666:9
[INFO] [stdout]     |
[INFO] [stdout] 664 |     use super::*;
[INFO] [stdout]     |         -------- the item `Duration` is already imported here
[INFO] [stdout] 665 |     use std::thread;
[INFO] [stdout] 666 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "361e67336824917e1aa9a1b57b4ac8dad2545e6cf5e6a2a293a4f84fceb5c4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361e67336824917e1aa9a1b57b4ac8dad2545e6cf5e6a2a293a4f84fceb5c4d9", kill_on_drop: false }`
[INFO] [stdout] 361e67336824917e1aa9a1b57b4ac8dad2545e6cf5e6a2a293a4f84fceb5c4d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e91fc3b88d7c4b7c4a947026ff3424246efdbfc903ce6902efcc8dc70cca5b6
[INFO] running `Command { std: "docker" "start" "-a" "1e91fc3b88d7c4b7c4a947026ff3424246efdbfc903ce6902efcc8dc70cca5b6", kill_on_drop: false }`
[INFO] [stderr] warning: the item `Duration` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:666:9
[INFO] [stderr]     |
[INFO] [stderr] 664 |     use super::*;
[INFO] [stderr]     |         -------- the item `Duration` is already imported here
[INFO] [stderr] 665 |     use std::thread;
[INFO] [stderr] 666 |     use std::time::Duration;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `scaling` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scaling-cc9bfa2daefe8690)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::doctests_again ... ignored
[INFO] [stdout] test tests::scales_o_n_log_n_looks_like_n ... ok
[INFO] [stdout] test test_fib ... ok
[INFO] [stdout] test tests::very_quick ... ok
[INFO] [stdout] test tests::noop ... ok
[INFO] [stdout] test tests::scales_o_2_to_the_n ... ok
[INFO] [stdout] test tests::test_sleep ... ok
[INFO] [stdout] test tests::very_slow ... ok
[INFO] [stdout] test tests::scales_o_n ... ok
[INFO] [stdout] test tests::painfully_slow ... ok
[INFO] [stdout] test tests::sadly_slow ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/scaling-cc9bfa2daefe8690` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1e91fc3b88d7c4b7c4a947026ff3424246efdbfc903ce6902efcc8dc70cca5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e91fc3b88d7c4b7c4a947026ff3424246efdbfc903ce6902efcc8dc70cca5b6", kill_on_drop: false }`
[INFO] [stdout] 1e91fc3b88d7c4b7c4a947026ff3424246efdbfc903ce6902efcc8dc70cca5b6