[INFO] fetching crate bisector 0.3.0...
[INFO] testing bisector-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate bisector 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bisector 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-2/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded yare-macro v1.0.1
[INFO] [stderr]   Downloaded yare v1.0.1
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01e789776770c72c14b748decd73df458497731421586140ccfac06eed9fd0c4
[INFO] running `Command { std: "docker" "start" "-a" "01e789776770c72c14b748decd73df458497731421586140ccfac06eed9fd0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01e789776770c72c14b748decd73df458497731421586140ccfac06eed9fd0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e789776770c72c14b748decd73df458497731421586140ccfac06eed9fd0c4", kill_on_drop: false }`
[INFO] [stdout] 01e789776770c72c14b748decd73df458497731421586140ccfac06eed9fd0c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 904c119a91cd970917040229544df4f13eece883b63a2e21bbb03f5636f63091
[INFO] running `Command { std: "docker" "start" "-a" "904c119a91cd970917040229544df4f13eece883b63a2e21bbb03f5636f63091", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bisector v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "904c119a91cd970917040229544df4f13eece883b63a2e21bbb03f5636f63091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904c119a91cd970917040229544df4f13eece883b63a2e21bbb03f5636f63091", kill_on_drop: false }`
[INFO] [stdout] 904c119a91cd970917040229544df4f13eece883b63a2e21bbb03f5636f63091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97b9759d7372755046d3f5e2097e5483250c1d442195baac7bfa10dfd2651165
[INFO] running `Command { std: "docker" "start" "-a" "97b9759d7372755046d3f5e2097e5483250c1d442195baac7bfa10dfd2651165", 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 6.24s
[INFO] running `Command { std: "docker" "inspect" "97b9759d7372755046d3f5e2097e5483250c1d442195baac7bfa10dfd2651165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b9759d7372755046d3f5e2097e5483250c1d442195baac7bfa10dfd2651165", kill_on_drop: false }`
[INFO] [stdout] 97b9759d7372755046d3f5e2097e5483250c1d442195baac7bfa10dfd2651165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2104d02d02338c8dcfce2ecd317b6f29852ffcfdaf4b0161f3e9ac1d646e0f4
[INFO] running `Command { std: "docker" "start" "-a" "b2104d02d02338c8dcfce2ecd317b6f29852ffcfdaf4b0161f3e9ac1d646e0f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bisector-c31c178aeae530f9)
[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_converge_zig_zag ... 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_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_one ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::one_two ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::two_one ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::one_zero ... 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_one ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::zero_three ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::zero_two ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::zeros ... 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] [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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bisector
[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" "b2104d02d02338c8dcfce2ecd317b6f29852ffcfdaf4b0161f3e9ac1d646e0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2104d02d02338c8dcfce2ecd317b6f29852ffcfdaf4b0161f3e9ac1d646e0f4", kill_on_drop: false }`
[INFO] [stdout] b2104d02d02338c8dcfce2ecd317b6f29852ffcfdaf4b0161f3e9ac1d646e0f4