[INFO] fetching crate bisector 0.3.0...
[INFO] testing bisector-0.3.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate bisector 0.3.0 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate bisector 0.3.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bisector 0.3.0
[INFO] finished tweaking crates.io crate bisector 0.3.0
[INFO] tweaked toml for crates.io crate bisector 0.3.0 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate crates.io crate bisector 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83ebe42ad0a3148e51414917fb1deb2fdabc94ef33fd25e6cdf41e44c777f552
[INFO] running `Command { std: "docker" "start" "-a" "83ebe42ad0a3148e51414917fb1deb2fdabc94ef33fd25e6cdf41e44c777f552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ebe42ad0a3148e51414917fb1deb2fdabc94ef33fd25e6cdf41e44c777f552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ebe42ad0a3148e51414917fb1deb2fdabc94ef33fd25e6cdf41e44c777f552", kill_on_drop: false }`
[INFO] [stdout] 83ebe42ad0a3148e51414917fb1deb2fdabc94ef33fd25e6cdf41e44c777f552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f51b0e216056fcfb9a9d6cfb59e93f75aa1d10dfe4364e149f770e96c23e0f4
[INFO] running `Command { std: "docker" "start" "-a" "5f51b0e216056fcfb9a9d6cfb59e93f75aa1d10dfe4364e149f770e96c23e0f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bisector v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "5f51b0e216056fcfb9a9d6cfb59e93f75aa1d10dfe4364e149f770e96c23e0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f51b0e216056fcfb9a9d6cfb59e93f75aa1d10dfe4364e149f770e96c23e0f4", kill_on_drop: false }`
[INFO] [stdout] 5f51b0e216056fcfb9a9d6cfb59e93f75aa1d10dfe4364e149f770e96c23e0f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eaa7140837f7c36923030ecc8de65eda064ad29bc9b1acdce040a5dc2ee9eb2
[INFO] running `Command { std: "docker" "start" "-a" "6eaa7140837f7c36923030ecc8de65eda064ad29bc9b1acdce040a5dc2ee9eb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling yare-macro v1.0.1
[INFO] [stderr]    Compiling yare v1.0.1
[INFO] [stderr]    Compiling bisector v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "6eaa7140837f7c36923030ecc8de65eda064ad29bc9b1acdce040a5dc2ee9eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eaa7140837f7c36923030ecc8de65eda064ad29bc9b1acdce040a5dc2ee9eb2", kill_on_drop: false }`
[INFO] [stdout] 6eaa7140837f7c36923030ecc8de65eda064ad29bc9b1acdce040a5dc2ee9eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 676d04a63c79407d5024df3dc31d5e52374adffd217694cd46d730f4ec7d4be2
[INFO] running `Command { std: "docker" "start" "-a" "676d04a63c79407d5024df3dc31d5e52374adffd217694cd46d730f4ec7d4be2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bisector-8082225213d25aea)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test tests::bisect::bisect_on_empty_view_converge_to_left ... ok
[INFO] [stdout] test tests::bisect::bisect_on_empty_view_converge_to_right ... ok
[INFO] [stdout] test tests::bisect::bisect_on_view_with_many_elements_converge_to_left ... ok
[INFO] [stdout] test tests::bisect::bisect_on_view_with_many_elements_converge_to_right ... ok
[INFO] [stdout] test tests::bisect::bisect_on_view_with_many_elements_re_use_same_indices_means_no_progress ... ok
[INFO] [stdout] test tests::bisect::bisect_on_view_with_many_elements_converge_zig_zag ... ok
[INFO] [stdout] test tests::bisect::bisect_on_view_with_one_element_converge_to_left ... ok
[INFO] [stdout] test tests::bisect::bisect_on_view_with_one_element_converge_to_right ... ok
[INFO] [stdout] test tests::bisect::new_bisector::empty ... ok
[INFO] [stdout] test tests::bisect::new_bisector::one ... ok
[INFO] [stdout] test tests::bisect::new_bisector::one_to_ten ... ok
[INFO] [stdout] test tests::bisect_complex::bisect_minor_version_is_at_least_50 ... ok
[INFO] [stdout] test tests::bisect_complex::get_new ... ok
[INFO] [stdout] test tests::indices::create_indices_with_new ... ok
[INFO] [stdout] test tests::indices::create_starting_indices_from_bisector::one_to_ten ... ok
[INFO] [stdout] test tests::indices::create_starting_indices_from_bisector::one ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::one_two ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::one_one ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::one_zero ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::two_one ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::two_zero ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::zero_four ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::zero_three ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::zero_one ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::zeros ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::zero_two ... ok
[INFO] [stdout] test tests::try_bisect::try_bisect_already_converged ... ok
[INFO] [stdout] test tests::try_bisect::try_bisect_on_view_with_many_elements_converge_to_left_ok ... ok
[INFO] [stdout] test tests::try_bisect::try_bisect_on_view_with_many_elements_converge_to_right_ok ... ok
[INFO] [stdout] test tests::try_bisect::try_bisect_on_view_with_many_elements_converge_zig_zag_ok ... ok
[INFO] [stdout] test tests::try_bisect::try_bisect_on_view_with_many_elements_re_use_same_indices_means_no_progress_with_ok ... ok
[INFO] [stdout] test tests::try_bisect::try_bisect_with_err ... ok
[INFO] [stderr]    Doc-tests bisector
[INFO] [stdout] test tests::indices::creating_starting_indices_from_bisector_with_empty_slice_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "676d04a63c79407d5024df3dc31d5e52374adffd217694cd46d730f4ec7d4be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676d04a63c79407d5024df3dc31d5e52374adffd217694cd46d730f4ec7d4be2", kill_on_drop: false }`
[INFO] [stdout] 676d04a63c79407d5024df3dc31d5e52374adffd217694cd46d730f4ec7d4be2