[INFO] fetching crate diff 0.1.12...
[INFO] testing diff-0.1.12 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate diff 0.1.12 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate diff 0.1.12 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diff 0.1.12
[INFO] finished tweaking crates.io crate diff 0.1.12
[INFO] tweaked toml for crates.io crate diff 0.1.12 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate diff 0.1.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded speculate v0.1.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.6
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded wasi v0.7.0
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded rand v0.7.2
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded quickcheck v0.9.0
[INFO] [stderr]   Downloaded log v0.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a55d5dbe3e39146b907fe83dca8012e7423751f16749e5dca0d70bd0b89ca9d0
[INFO] running `Command { std: "docker" "start" "-a" "a55d5dbe3e39146b907fe83dca8012e7423751f16749e5dca0d70bd0b89ca9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a55d5dbe3e39146b907fe83dca8012e7423751f16749e5dca0d70bd0b89ca9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55d5dbe3e39146b907fe83dca8012e7423751f16749e5dca0d70bd0b89ca9d0", kill_on_drop: false }`
[INFO] [stdout] a55d5dbe3e39146b907fe83dca8012e7423751f16749e5dca0d70bd0b89ca9d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8af9e9eb4e0fd9bc66094d5d83d18ac10758f08dd4ec78cc9c9e2bc0298f16c2
[INFO] running `Command { std: "docker" "start" "-a" "8af9e9eb4e0fd9bc66094d5d83d18ac10758f08dd4ec78cc9c9e2bc0298f16c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "8af9e9eb4e0fd9bc66094d5d83d18ac10758f08dd4ec78cc9c9e2bc0298f16c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af9e9eb4e0fd9bc66094d5d83d18ac10758f08dd4ec78cc9c9e2bc0298f16c2", kill_on_drop: false }`
[INFO] [stdout] 8af9e9eb4e0fd9bc66094d5d83d18ac10758f08dd4ec78cc9c9e2bc0298f16c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78d5f88b6f782df8e5c6613c3ac9c91520889bc85638bce697f3219f71f501f9
[INFO] running `Command { std: "docker" "start" "-a" "78d5f88b6f782df8e5c6613c3ac9c91520889bc85638bce697f3219f71f501f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.9.0
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]    Compiling diff v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.34s
[INFO] running `Command { std: "docker" "inspect" "78d5f88b6f782df8e5c6613c3ac9c91520889bc85638bce697f3219f71f501f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d5f88b6f782df8e5c6613c3ac9c91520889bc85638bce697f3219f71f501f9", kill_on_drop: false }`
[INFO] [stdout] 78d5f88b6f782df8e5c6613c3ac9c91520889bc85638bce697f3219f71f501f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4cb27c2ba26edfaa39a60137176bc81bc6cfd74038ff41b3291afd59f00851d
[INFO] running `Command { std: "docker" "start" "-a" "d4cb27c2ba26edfaa39a60137176bc81bc6cfd74038ff41b3291afd59f00851d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/diff-560dbbfad06cf0f3)
[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] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-bc7e6f6e9e34718e)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test speculate_0::chars::test_both_equal_and_non_empty ... ok
[INFO] [stdout] test speculate_0::lines::test_one_empty ... ok
[INFO] [stdout] test speculate_0::slice::test_empty_slices ... ok
[INFO] [stdout] test speculate_0::slice::test_equal_non_empty_slices ... ok
[INFO] [stdout] test speculate_0::slice::test_left_non_empty_right_empty ... ok
[INFO] [stdout] test speculate_0::slice::test_left_empty_right_non_empty ... ok
[INFO] [stdout] test speculate_0::chars::test_both_empty ... ok
[INFO] [stdout] test speculate_0::chars::test_one_empty ... ok
[INFO] [stdout] test speculate_0::slice::test_misc_1 ... ok
[INFO] [stdout] test speculate_0::issues::test__4 ... ok
[INFO] [stdout] test speculate_0::slice::test_misc_2 ... ok
[INFO] [stdout] test speculate_0::lines::test_both_empty ... ok
[INFO] [stdout] test speculate_0::lines::test_misc_1 ... ok
[INFO] [stdout] test speculate_0::lines::test_both_equal_and_non_empty ... ok
[INFO] [stdout] test speculate_0::chars::test_misc_1 ... ok
[INFO] [stdout] test speculate_0::slice::test_misc_3 ... ok
[INFO] [stdout] test speculate_0::lines::test__10 ... ok
[INFO] [stdout] test speculate_0::issues::test__6 ... ok
[INFO] [stderr]    Doc-tests diff
[INFO] [stdout] test speculate_0::slice::test_quickcheck ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[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" "d4cb27c2ba26edfaa39a60137176bc81bc6cfd74038ff41b3291afd59f00851d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4cb27c2ba26edfaa39a60137176bc81bc6cfd74038ff41b3291afd59f00851d", kill_on_drop: false }`
[INFO] [stdout] d4cb27c2ba26edfaa39a60137176bc81bc6cfd74038ff41b3291afd59f00851d