[INFO] fetching crate bisector 0.4.0...
[INFO] testing bisector-0.4.0 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate bisector 0.4.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bisector 0.4.0 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.4
[INFO] [stderr]   Downloaded yare v1.0.1
[INFO] [stderr]   Downloaded yare-macro v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd20a586487cfb3f1d4bb6b6684ccac876fce2fd8bab67b2bd173e5db7da393f
[INFO] running `Command { std: "docker" "start" "-a" "bd20a586487cfb3f1d4bb6b6684ccac876fce2fd8bab67b2bd173e5db7da393f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd20a586487cfb3f1d4bb6b6684ccac876fce2fd8bab67b2bd173e5db7da393f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd20a586487cfb3f1d4bb6b6684ccac876fce2fd8bab67b2bd173e5db7da393f", kill_on_drop: false }`
[INFO] [stdout] bd20a586487cfb3f1d4bb6b6684ccac876fce2fd8bab67b2bd173e5db7da393f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e48f28fd6cb9b66ce9a17f2f1060bb7c0408da87914b681b53d91148787bf23
[INFO] running `Command { std: "docker" "start" "-a" "3e48f28fd6cb9b66ce9a17f2f1060bb7c0408da87914b681b53d91148787bf23", kill_on_drop: false }`
[INFO] [stderr]    Compiling bisector v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "3e48f28fd6cb9b66ce9a17f2f1060bb7c0408da87914b681b53d91148787bf23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e48f28fd6cb9b66ce9a17f2f1060bb7c0408da87914b681b53d91148787bf23", kill_on_drop: false }`
[INFO] [stdout] 3e48f28fd6cb9b66ce9a17f2f1060bb7c0408da87914b681b53d91148787bf23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15e0f445f604f90299713052936fcd33b80424329d435c8a4b10b0dee799ebf7
[INFO] running `Command { std: "docker" "start" "-a" "15e0f445f604f90299713052936fcd33b80424329d435c8a4b10b0dee799ebf7", kill_on_drop: false }`
[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 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "15e0f445f604f90299713052936fcd33b80424329d435c8a4b10b0dee799ebf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e0f445f604f90299713052936fcd33b80424329d435c8a4b10b0dee799ebf7", kill_on_drop: false }`
[INFO] [stdout] 15e0f445f604f90299713052936fcd33b80424329d435c8a4b10b0dee799ebf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d1370eea0d52d55096db1738ab83fb8f6249d36a723d22bed637f823b7bf584
[INFO] running `Command { std: "docker" "start" "-a" "3d1370eea0d52d55096db1738ab83fb8f6249d36a723d22bed637f823b7bf584", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bisector-399149d2f6b54d19)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test tests::bisect::bisect_on_empty_view_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_empty_view_converge_to_right ... 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::get_new ... ok
[INFO] [stdout] test tests::bisect_complex::bisect_minor_version_is_at_least_50 ... ok
[INFO] [stdout] test tests::indices::create_starting_indices_from_bisector::one ... ok
[INFO] [stdout] test tests::indices::create_starting_indices_try_from_bisector::one ... 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_zero ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::two_one ... 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::bisect::bisect_on_view_with_one_element_converge_to_left ... 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::indices::middle_of_indices::one_two ... ok
[INFO] [stdout] test tests::bisect::bisect_on_view_with_many_elements_converge_zig_zag ... ok
[INFO] [stdout] test tests::indices::middle_of_indices::two_zero ... ok
[INFO] [stdout] test tests::bisect::new_bisector::one ... 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::bisect::bisect_on_view_with_many_elements_converge_to_left ... ok
[INFO] [stdout] test tests::indices::create_starting_indices_from_bisector::one_to_ten ... 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::middle_of_indices::zero_three ... ok
[INFO] [stdout] test tests::indices::create_indices_with_new ... ok
[INFO] [stdout] test tests::try_bisect::try_bisect_on_view_with_many_elements_converge_to_right_ok ... ok
[INFO] [stdout] test tests::bisect::bisect_on_view_with_many_elements_re_use_same_indices_means_no_progress ... ok
[INFO] [stdout] test tests::indices::creating_starting_indices_from_bisector_with_empty_slice_panics - should panic ... FAILED
[INFO] [stdout] test tests::try_bisect::try_bisect_already_converged ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::indices::creating_starting_indices_from_bisector_with_empty_slice_panics stdout ----
[INFO] [stdout] note: test did not panic as expected at src/tests/indices.rs:24:4
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::indices::creating_starting_indices_from_bisector_with_empty_slice_panics
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 35 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "3d1370eea0d52d55096db1738ab83fb8f6249d36a723d22bed637f823b7bf584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1370eea0d52d55096db1738ab83fb8f6249d36a723d22bed637f823b7bf584", kill_on_drop: false }`
[INFO] [stdout] 3d1370eea0d52d55096db1738ab83fb8f6249d36a723d22bed637f823b7bf584
