[INFO] fetching crate diff 0.1.12...
[INFO] testing diff-0.1.12 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate diff 0.1.12 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate diff 0.1.12 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-58/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 257e85918af2a4ea360c3995b563476e3a98f1e3f5c6189163a6f66a58500005
[INFO] running `Command { std: "docker" "start" "-a" "257e85918af2a4ea360c3995b563476e3a98f1e3f5c6189163a6f66a58500005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "257e85918af2a4ea360c3995b563476e3a98f1e3f5c6189163a6f66a58500005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257e85918af2a4ea360c3995b563476e3a98f1e3f5c6189163a6f66a58500005", kill_on_drop: false }`
[INFO] [stdout] 257e85918af2a4ea360c3995b563476e3a98f1e3f5c6189163a6f66a58500005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b082e2b60b7b11f60a2c643cee50ed71e2a4960b213d231ccc6f2f1970f11394
[INFO] running `Command { std: "docker" "start" "-a" "b082e2b60b7b11f60a2c643cee50ed71e2a4960b213d231ccc6f2f1970f11394", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "b082e2b60b7b11f60a2c643cee50ed71e2a4960b213d231ccc6f2f1970f11394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b082e2b60b7b11f60a2c643cee50ed71e2a4960b213d231ccc6f2f1970f11394", kill_on_drop: false }`
[INFO] [stdout] b082e2b60b7b11f60a2c643cee50ed71e2a4960b213d231ccc6f2f1970f11394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e1463823a1f72c735852cc1c9794d234d2480f92479edc0552a93afa5b3985a
[INFO] running `Command { std: "docker" "start" "-a" "1e1463823a1f72c735852cc1c9794d234d2480f92479edc0552a93afa5b3985a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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 11.49s
[INFO] running `Command { std: "docker" "inspect" "1e1463823a1f72c735852cc1c9794d234d2480f92479edc0552a93afa5b3985a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1463823a1f72c735852cc1c9794d234d2480f92479edc0552a93afa5b3985a", kill_on_drop: false }`
[INFO] [stdout] 1e1463823a1f72c735852cc1c9794d234d2480f92479edc0552a93afa5b3985a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cc9354ab1da2a7bf2b096d42f1cb5029715f1a2d8926d53cb6f42d72abbcb7b
[INFO] running `Command { std: "docker" "start" "-a" "6cc9354ab1da2a7bf2b096d42f1cb5029715f1a2d8926d53cb6f42d72abbcb7b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/diff-e5601e7563d22031)
[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] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-9f8eedfa057c6c12)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test speculate_0::chars::test_both_empty ... ok
[INFO] [stdout] test speculate_0::chars::test_misc_1 ... ok
[INFO] [stdout] test speculate_0::lines::test_both_empty ... ok
[INFO] [stdout] test speculate_0::chars::test_both_equal_and_non_empty ... ok
[INFO] [stdout] test speculate_0::chars::test_one_empty ... ok
[INFO] [stdout] test speculate_0::issues::test__6 ... ok
[INFO] [stdout] test speculate_0::lines::test_both_equal_and_non_empty ... ok
[INFO] [stdout] test speculate_0::lines::test__10 ... ok
[INFO] [stdout] test speculate_0::issues::test__4 ... ok
[INFO] [stdout] test speculate_0::lines::test_misc_1 ... 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_misc_1 ... ok
[INFO] [stdout] test speculate_0::slice::test_left_empty_right_non_empty ... ok
[INFO] [stdout] test speculate_0::slice::test_misc_2 ... ok
[INFO] [stdout] test speculate_0::slice::test_misc_3 ... 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 0.15s
[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" "6cc9354ab1da2a7bf2b096d42f1cb5029715f1a2d8926d53cb6f42d72abbcb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc9354ab1da2a7bf2b096d42f1cb5029715f1a2d8926d53cb6f42d72abbcb7b", kill_on_drop: false }`
[INFO] [stdout] 6cc9354ab1da2a7bf2b096d42f1cb5029715f1a2d8926d53cb6f42d72abbcb7b