[INFO] fetching crate mem_cmp 0.1.4...
[INFO] testing mem_cmp-0.1.4 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate mem_cmp 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mem_cmp 0.1.4 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mem_cmp 0.1.4
[INFO] finished tweaking crates.io crate mem_cmp 0.1.4
[INFO] tweaked toml for crates.io crate mem_cmp 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a5148d7135b4ddd9d2731aa8a989d8ea2fa5c25e5c8d5974b4443bf8c43c225
[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" "4a5148d7135b4ddd9d2731aa8a989d8ea2fa5c25e5c8d5974b4443bf8c43c225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a5148d7135b4ddd9d2731aa8a989d8ea2fa5c25e5c8d5974b4443bf8c43c225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5148d7135b4ddd9d2731aa8a989d8ea2fa5c25e5c8d5974b4443bf8c43c225", kill_on_drop: false }`
[INFO] [stdout] 4a5148d7135b4ddd9d2731aa8a989d8ea2fa5c25e5c8d5974b4443bf8c43c225
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05597ff22b9044ca7ca413e3c8deffc7757ce397521a24fa8d9a1c9b7518750f
[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" "05597ff22b9044ca7ca413e3c8deffc7757ce397521a24fa8d9a1c9b7518750f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mem_cmp v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "05597ff22b9044ca7ca413e3c8deffc7757ce397521a24fa8d9a1c9b7518750f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05597ff22b9044ca7ca413e3c8deffc7757ce397521a24fa8d9a1c9b7518750f", kill_on_drop: false }`
[INFO] [stdout] 05597ff22b9044ca7ca413e3c8deffc7757ce397521a24fa8d9a1c9b7518750f
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a5ca0edadc81b229cda7a67d5b83e2313a2c1fe9cbfca643649ab53d57122da
[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" "6a5ca0edadc81b229cda7a67d5b83e2313a2c1fe9cbfca643649ab53d57122da", kill_on_drop: false }`
[INFO] [stderr]    Compiling mem_cmp v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "6a5ca0edadc81b229cda7a67d5b83e2313a2c1fe9cbfca643649ab53d57122da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5ca0edadc81b229cda7a67d5b83e2313a2c1fe9cbfca643649ab53d57122da", kill_on_drop: false }`
[INFO] [stdout] 6a5ca0edadc81b229cda7a67d5b83e2313a2c1fe9cbfca643649ab53d57122da
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 989c6dc28d1c33383e297cac48fb055f810ab67b19e8b49aa6a5a95c6fbd8eaf
[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" "989c6dc28d1c33383e297cac48fb055f810ab67b19e8b49aa6a5a95c6fbd8eaf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mem_cmp-45358305386855c2
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mem_cmp
[INFO] [stdout] running 3 tests
[INFO] [stdout] test mem_ord::tests::compare_bytes ... ok
[INFO] [stdout] test mem_eq::tests::equal_bytes ... ok
[INFO] [stdout] test mem_ord::tests::different_sizes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/mem_ordered.rs - mem_ordered::MemOrdered (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "989c6dc28d1c33383e297cac48fb055f810ab67b19e8b49aa6a5a95c6fbd8eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989c6dc28d1c33383e297cac48fb055f810ab67b19e8b49aa6a5a95c6fbd8eaf", kill_on_drop: false }`
[INFO] [stdout] 989c6dc28d1c33383e297cac48fb055f810ab67b19e8b49aa6a5a95c6fbd8eaf