[INFO] fetching crate bisector 0.4.0...
[INFO] testing bisector-0.4.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate bisector 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate bisector 0.4.0
[INFO] finished tweaking crates.io crate bisector 0.4.0
[INFO] tweaked toml for crates.io crate bisector 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bisector 0.4.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bisector 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 047adeb93af3f95b606edd54b793d5fbf67ae0c051b9b321db0ae105e833679a
[INFO] running `Command { std: "docker" "start" "-a" "047adeb93af3f95b606edd54b793d5fbf67ae0c051b9b321db0ae105e833679a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "047adeb93af3f95b606edd54b793d5fbf67ae0c051b9b321db0ae105e833679a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047adeb93af3f95b606edd54b793d5fbf67ae0c051b9b321db0ae105e833679a", kill_on_drop: false }`
[INFO] [stdout] 047adeb93af3f95b606edd54b793d5fbf67ae0c051b9b321db0ae105e833679a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd4fdefb03d57de4f3eac9c6b4de367818e86ce803d96783560a84633bd8ae8f
[INFO] running `Command { std: "docker" "start" "-a" "fd4fdefb03d57de4f3eac9c6b4de367818e86ce803d96783560a84633bd8ae8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bisector v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "fd4fdefb03d57de4f3eac9c6b4de367818e86ce803d96783560a84633bd8ae8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd4fdefb03d57de4f3eac9c6b4de367818e86ce803d96783560a84633bd8ae8f", kill_on_drop: false }`
[INFO] [stdout] fd4fdefb03d57de4f3eac9c6b4de367818e86ce803d96783560a84633bd8ae8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72d2d3d5c9c5224651e4aae9bdd42d894c2a7e9a07eb5e6527c6e0ffb8a3552e
[INFO] running `Command { std: "docker" "start" "-a" "72d2d3d5c9c5224651e4aae9bdd42d894c2a7e9a07eb5e6527c6e0ffb8a3552e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling yare-macro v1.0.1
[INFO] [stderr]    Compiling yare v1.0.1
[INFO] [stderr]    Compiling bisector v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "72d2d3d5c9c5224651e4aae9bdd42d894c2a7e9a07eb5e6527c6e0ffb8a3552e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d2d3d5c9c5224651e4aae9bdd42d894c2a7e9a07eb5e6527c6e0ffb8a3552e", kill_on_drop: false }`
[INFO] [stdout] 72d2d3d5c9c5224651e4aae9bdd42d894c2a7e9a07eb5e6527c6e0ffb8a3552e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07612f453b15197991df4ddb0a2f9d5f951613635f3eaa9146bb843abf99ea33
[INFO] running `Command { std: "docker" "start" "-a" "07612f453b15197991df4ddb0a2f9d5f951613635f3eaa9146bb843abf99ea33", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bisector-f77eb976016d5cc7)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[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_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_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::bisect::new_bisector::one ... ok
[INFO] [stdout] test tests::indices::create_indices_with_new ... ok
[INFO] [stdout] test tests::indices::create_starting_indices_from_bisector::one ... ok
[INFO] [stdout] test tests::indices::create_starting_indices_from_bisector::one_to_ten ... ok
[INFO] [stdout] test tests::indices::create_starting_indices_try_from_bisector::one ... 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_empty_view_converge_to_left ... ok
[INFO] [stdout] test tests::indices::create_starting_indices_try_from_bisector::one_to_ten ... ok
[INFO] [stdout] test tests::indices::creating_starting_indices_try_from_bisector_with_empty_slice_should_error ... 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::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_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::zero_four ... 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_zig_zag_ok ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::zeros ... 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::try_bisect::try_bisect_on_view_with_many_elements_converge_to_right_ok ... ok
[INFO] [stdout] test tests::try_bisect::try_bisect_already_converged ... 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. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "07612f453b15197991df4ddb0a2f9d5f951613635f3eaa9146bb843abf99ea33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07612f453b15197991df4ddb0a2f9d5f951613635f3eaa9146bb843abf99ea33", kill_on_drop: false }`
[INFO] [stdout] 07612f453b15197991df4ddb0a2f9d5f951613635f3eaa9146bb843abf99ea33