[INFO] crate diff 0.1.12 is already in cache
[INFO] testing diff-0.1.12 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate diff 0.1.12 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate diff 0.1.12 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08a9b3853a4fb28a114db8cb918260dac6773bf8747d225283ede53ce942ec79
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08a9b3853a4fb28a114db8cb918260dac6773bf8747d225283ede53ce942ec79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08a9b3853a4fb28a114db8cb918260dac6773bf8747d225283ede53ce942ec79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a9b3853a4fb28a114db8cb918260dac6773bf8747d225283ede53ce942ec79", kill_on_drop: false }`
[INFO] [stdout] 08a9b3853a4fb28a114db8cb918260dac6773bf8747d225283ede53ce942ec79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c05eca0e7c86d4ec7effc1ce4edcb44edd27ffdd940dfb0c5e05a8c3194a56c9
[INFO] running `Command { std: "docker" "start" "-a" "c05eca0e7c86d4ec7effc1ce4edcb44edd27ffdd940dfb0c5e05a8c3194a56c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "c05eca0e7c86d4ec7effc1ce4edcb44edd27ffdd940dfb0c5e05a8c3194a56c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c05eca0e7c86d4ec7effc1ce4edcb44edd27ffdd940dfb0c5e05a8c3194a56c9", kill_on_drop: false }`
[INFO] [stdout] c05eca0e7c86d4ec7effc1ce4edcb44edd27ffdd940dfb0c5e05a8c3194a56c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f13e4d9f7d2cceea89d3a8402c3aff18bab4e063c0633c5e98f3fa95e77a4d9d
[INFO] running `Command { std: "docker" "start" "-a" "f13e4d9f7d2cceea89d3a8402c3aff18bab4e063c0633c5e98f3fa95e77a4d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[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 diff v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.55s
[INFO] running `Command { std: "docker" "inspect" "f13e4d9f7d2cceea89d3a8402c3aff18bab4e063c0633c5e98f3fa95e77a4d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13e4d9f7d2cceea89d3a8402c3aff18bab4e063c0633c5e98f3fa95e77a4d9d", kill_on_drop: false }`
[INFO] [stdout] f13e4d9f7d2cceea89d3a8402c3aff18bab4e063c0633c5e98f3fa95e77a4d9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de61ffe2b36e83ae2ba2163b255c27255e3d7a8deda4708ab31ae43d701c411a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de61ffe2b36e83ae2ba2163b255c27255e3d7a8deda4708ab31ae43d701c411a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diff-bb0722e7ea3bbc17
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-dea7aacca84b1e6e
[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::issues::test__6 ... ok
[INFO] [stdout] test speculate_0::lines::test_both_empty ... ok
[INFO] [stdout] test speculate_0::slice::test_left_non_empty_right_empty ... ok
[INFO] [stdout] test speculate_0::lines::test_misc_1 ... ok
[INFO] [stdout] test speculate_0::slice::test_left_empty_right_non_empty ... ok
[INFO] [stdout] test speculate_0::slice::test_equal_non_empty_slices ... ok
[INFO] [stdout] test speculate_0::slice::test_misc_1 ... ok
[INFO] [stdout] test speculate_0::lines::test_both_equal_and_non_empty ... ok
[INFO] [stdout] test speculate_0::slice::test_misc_2 ... ok
[INFO] [stdout] test speculate_0::chars::test_misc_1 ... 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_one_empty ... ok
[INFO] [stdout] test speculate_0::chars::test_both_empty ... ok
[INFO] [stdout] test speculate_0::slice::test_empty_slices ... ok
[INFO] [stdout] test speculate_0::chars::test_one_empty ... ok
[INFO] [stdout] test speculate_0::slice::test_misc_3 ... ok
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests diff
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de61ffe2b36e83ae2ba2163b255c27255e3d7a8deda4708ab31ae43d701c411a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de61ffe2b36e83ae2ba2163b255c27255e3d7a8deda4708ab31ae43d701c411a", kill_on_drop: false }`
[INFO] [stdout] de61ffe2b36e83ae2ba2163b255c27255e3d7a8deda4708ab31ae43d701c411a