[INFO] fetching crate bisect 0.2.0...
[INFO] testing bisect-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate bisect 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bisect 0.2.0 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 bisect 0.2.0
[INFO] finished tweaking crates.io crate bisect 0.2.0
[INFO] tweaked toml for crates.io crate bisect 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 191a2aab7702dd5f8600742f42402fe2ed15b290a8f25142f1f9daf04d68681c
[INFO] running `Command { std: "docker" "start" "-a" "191a2aab7702dd5f8600742f42402fe2ed15b290a8f25142f1f9daf04d68681c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "191a2aab7702dd5f8600742f42402fe2ed15b290a8f25142f1f9daf04d68681c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191a2aab7702dd5f8600742f42402fe2ed15b290a8f25142f1f9daf04d68681c", kill_on_drop: false }`
[INFO] [stdout] 191a2aab7702dd5f8600742f42402fe2ed15b290a8f25142f1f9daf04d68681c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0fa75952d1c8221092cf9db6402653ed9a5a41f7f025ad3f4dc3c9f32134163b
[INFO] running `Command { std: "docker" "start" "-a" "0fa75952d1c8221092cf9db6402653ed9a5a41f7f025ad3f4dc3c9f32134163b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling bisect v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             (mid..r.end)
[INFO] [stdout]    |             ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -             (mid..r.end)
[INFO] [stdout] 46 +             mid..r.end
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             (r.start..mid)
[INFO] [stdout]    |             ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             (r.start..mid)
[INFO] [stdout] 48 +             r.start..mid
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.58s
[INFO] running `Command { std: "docker" "inspect" "0fa75952d1c8221092cf9db6402653ed9a5a41f7f025ad3f4dc3c9f32134163b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa75952d1c8221092cf9db6402653ed9a5a41f7f025ad3f4dc3c9f32134163b", kill_on_drop: false }`
[INFO] [stdout] 0fa75952d1c8221092cf9db6402653ed9a5a41f7f025ad3f4dc3c9f32134163b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f1a78d83c5241856b7a9e15df7f919881b97bc3fde92f5b932eb5f2119491ee6
[INFO] running `Command { std: "docker" "start" "-a" "f1a78d83c5241856b7a9e15df7f919881b97bc3fde92f5b932eb5f2119491ee6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bisect v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             (mid..r.end)
[INFO] [stdout]    |             ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -             (mid..r.end)
[INFO] [stdout] 46 +             mid..r.end
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             (r.start..mid)
[INFO] [stdout]    |             ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             (r.start..mid)
[INFO] [stdout] 48 +             r.start..mid
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "f1a78d83c5241856b7a9e15df7f919881b97bc3fde92f5b932eb5f2119491ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a78d83c5241856b7a9e15df7f919881b97bc3fde92f5b932eb5f2119491ee6", kill_on_drop: false }`
[INFO] [stdout] f1a78d83c5241856b7a9e15df7f919881b97bc3fde92f5b932eb5f2119491ee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] dd2e41f540f353b7b3e4f02b25f80e708d06e86c64643f3a9ea63b28cffe7876
[INFO] running `Command { std: "docker" "start" "-a" "dd2e41f540f353b7b3e4f02b25f80e708d06e86c64643f3a9ea63b28cffe7876", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/main.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             (mid..r.end)
[INFO] [stderr]    |             ^          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 46 -             (mid..r.end)
[INFO] [stderr] 46 +             mid..r.end
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/main.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             (r.start..mid)
[INFO] [stderr]    |             ^            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 48 -             (r.start..mid)
[INFO] [stderr] 48 +             r.start..mid
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `bisect` (bin "bisect" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bisect-767c987e2b27c517)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::bool_parses ... ok
[INFO] [stdout] test test::bisects_ranges ... ok
[INFO] [stdout] test test::bool_errors - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd2e41f540f353b7b3e4f02b25f80e708d06e86c64643f3a9ea63b28cffe7876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2e41f540f353b7b3e4f02b25f80e708d06e86c64643f3a9ea63b28cffe7876", kill_on_drop: false }`
[INFO] [stdout] dd2e41f540f353b7b3e4f02b25f80e708d06e86c64643f3a9ea63b28cffe7876