[INFO] crate metro 0.1.1 is already in cache
[INFO] testing metro-0.1.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate metro 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate metro 0.1.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate metro 0.1.1
[INFO] finished tweaking crates.io crate metro 0.1.1
[INFO] tweaked toml for crates.io crate metro 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f685a4dc4fbe640a0d9857faa2c7e91b9c087f8499de82e7133b15f627028978
[INFO] running `"docker" "start" "-a" "f685a4dc4fbe640a0d9857faa2c7e91b9c087f8499de82e7133b15f627028978"`
[INFO] [stderr]    Compiling metro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "f685a4dc4fbe640a0d9857faa2c7e91b9c087f8499de82e7133b15f627028978"`
[INFO] running `"docker" "rm" "-f" "f685a4dc4fbe640a0d9857faa2c7e91b9c087f8499de82e7133b15f627028978"`
[INFO] [stdout] f685a4dc4fbe640a0d9857faa2c7e91b9c087f8499de82e7133b15f627028978
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93d014392426f37812c4d0e502517e8efcd02ecbfb7f2eba8adb6790969ba8e4
[INFO] running `"docker" "start" "-a" "93d014392426f37812c4d0e502517e8efcd02ecbfb7f2eba8adb6790969ba8e4"`
[INFO] [stderr]    Compiling metro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `"docker" "inspect" "93d014392426f37812c4d0e502517e8efcd02ecbfb7f2eba8adb6790969ba8e4"`
[INFO] running `"docker" "rm" "-f" "93d014392426f37812c4d0e502517e8efcd02ecbfb7f2eba8adb6790969ba8e4"`
[INFO] [stdout] 93d014392426f37812c4d0e502517e8efcd02ecbfb7f2eba8adb6790969ba8e4
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d35f1d7cdef2d880a2a27cc184173bac8d8e219ce2c43303cf8de708f5ec3fb7
[INFO] running `"docker" "start" "-a" "d35f1d7cdef2d880a2a27cc184173bac8d8e219ce2c43303cf8de708f5ec3fb7"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/metro-85c1ded462c44657
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test events::tests::join_track_one_between ... ok
[INFO] [stdout] test events::tests::join_track_existing_from_track_non_existing_to_track ... ok
[INFO] [stdout] test events::tests::event_start_track_default2 ... ok
[INFO] [stdout] test events::tests::join_track_same_from_and_to_track ... ok
[INFO] [stdout] test events::tests::join_track_zero_between ... ok
[INFO] [stdout] test events::tests::no_event ... ok
[INFO] [stdout] test events::tests::split_track ... ok
[INFO] [stdout] test events::tests::split_track_already_existing_new_track ... ok
[INFO] [stdout] test events::tests::split_track_non_existing_from_track ... ok
[INFO] [stdout] test events::tests::split_track_same_from_and_new_track ... ok
[INFO] [stdout] test events::tests::start_track ... ok
[INFO] [stdout] test events::tests::start_track_already_exists ... ok
[INFO] [stdout] test events::tests::start_track_already_exists2 ... ok
[INFO] [stdout] test events::tests::start_track_default ... ok
[INFO] [stdout] test events::tests::start_tracks_all_already_exist ... ok
[INFO] [stdout] test events::tests::start_tracks_some_already_exist ... ok
[INFO] [stdout] test events::tests::station ... ok
[INFO] [stdout] test events::tests::station_non_existing_track ... ok
[INFO] [stdout] test events::tests::join_track_non_existing_from_track_existing_to_track ... ok
[INFO] [stdout] test events::tests::stop_track ... ok
[INFO] [stdout] test events::tests::join_track_non_existing_from_track_non_existing_to_track ... ok
[INFO] [stdout] test events::tests::join_track_many_between ... ok
[INFO] [stdout] test events::tests::event_start_tracks ... ok
[INFO] [stdout] test events::tests::stop_track_right ... ok
[INFO] [stdout] test events::tests::stop_track_middle ... ok
[INFO] [stdout] test events::tests::stop_track_does_not_exist ... ok
[INFO] [stdout] test events::tests::stop_track_left ... ok
[INFO] [stdout] test events::tests::join_track_always_leftmost ... ok
[INFO] [stdout] test metro::tests::lib_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metro
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs -  (line 43) ... ok
[INFO] [stdout] test src/metro.rs - metro::Metro (line 28) ... ok
[INFO] [stdout] test src/events.rs - events::Event (line 17) ... ok
[INFO] [stdout] test src/lib.rs -  (line 96) ... ok
[INFO] [stdout] test src/metro.rs - metro::Track::is_dangling (line 371) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d35f1d7cdef2d880a2a27cc184173bac8d8e219ce2c43303cf8de708f5ec3fb7"`
[INFO] running `"docker" "rm" "-f" "d35f1d7cdef2d880a2a27cc184173bac8d8e219ce2c43303cf8de708f5ec3fb7"`
[INFO] [stdout] d35f1d7cdef2d880a2a27cc184173bac8d8e219ce2c43303cf8de708f5ec3fb7