[INFO] fetching crate metro 0.1.1...
[INFO] testing metro-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate metro 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate metro 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51f6d4cf0a8b27328583710c906812001acd117deb741c319eded6c290e4048b
[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" "51f6d4cf0a8b27328583710c906812001acd117deb741c319eded6c290e4048b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51f6d4cf0a8b27328583710c906812001acd117deb741c319eded6c290e4048b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f6d4cf0a8b27328583710c906812001acd117deb741c319eded6c290e4048b", kill_on_drop: false }`
[INFO] [stdout] 51f6d4cf0a8b27328583710c906812001acd117deb741c319eded6c290e4048b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 21e39aa5cf1302db9bb40e7423e0f318bd5a280105be8eafe386e13c33b2818c
[INFO] running `Command { std: "docker" "start" "-a" "21e39aa5cf1302db9bb40e7423e0f318bd5a280105be8eafe386e13c33b2818c", kill_on_drop: false }`
[INFO] [stderr]    Compiling metro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "21e39aa5cf1302db9bb40e7423e0f318bd5a280105be8eafe386e13c33b2818c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e39aa5cf1302db9bb40e7423e0f318bd5a280105be8eafe386e13c33b2818c", kill_on_drop: false }`
[INFO] [stdout] 21e39aa5cf1302db9bb40e7423e0f318bd5a280105be8eafe386e13c33b2818c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3ecfb304c369378ff9390b3edf42520fb1728705e543622fd13e5cdf0050b20
[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" "a3ecfb304c369378ff9390b3edf42520fb1728705e543622fd13e5cdf0050b20", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling metro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "a3ecfb304c369378ff9390b3edf42520fb1728705e543622fd13e5cdf0050b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ecfb304c369378ff9390b3edf42520fb1728705e543622fd13e5cdf0050b20", kill_on_drop: false }`
[INFO] [stdout] a3ecfb304c369378ff9390b3edf42520fb1728705e543622fd13e5cdf0050b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ae20bbe16706be0c4007b9f3f3922c214452317a11fa9491d6a1ec49930b908
[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" "3ae20bbe16706be0c4007b9f3f3922c214452317a11fa9491d6a1ec49930b908", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/metro-ebd026aeb54ab60a
[INFO] [stdout] running 29 tests
[INFO] [stdout] test events::tests::event_start_track_default2 ... ok
[INFO] [stdout] test events::tests::split_track_already_existing_new_track ... ok
[INFO] [stdout] test events::tests::join_track_zero_between ... ok
[INFO] [stdout] test events::tests::join_track_same_from_and_to_track ... ok
[INFO] [stdout] test events::tests::no_event ... ok
[INFO] [stdout] test events::tests::split_track_non_existing_from_track ... ok
[INFO] [stdout] test events::tests::split_track ... ok
[INFO] [stdout] test events::tests::start_track ... ok
[INFO] [stdout] test events::tests::join_track_existing_from_track_non_existing_to_track ... ok
[INFO] [stdout] test events::tests::join_track_non_existing_from_track_existing_to_track ... ok
[INFO] [stdout] test events::tests::start_track_already_exists ... ok
[INFO] [stdout] test events::tests::join_track_always_leftmost ... 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::stop_track ... ok
[INFO] [stdout] test events::tests::station_non_existing_track ... ok
[INFO] [stdout] test events::tests::stop_track_does_not_exist ... ok
[INFO] [stdout] test events::tests::station ... ok
[INFO] [stdout] test events::tests::stop_track_left ... ok
[INFO] [stdout] test events::tests::stop_track_middle ... ok
[INFO] [stdout] test metro::tests::lib_example ... 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::event_start_tracks ... ok
[INFO] [stdout] test events::tests::join_track_one_between ... ok
[INFO] [stdout] test events::tests::join_track_many_between ... ok
[INFO] [stdout] test events::tests::stop_track_right ... ok
[INFO] [stdout] test events::tests::split_track_same_from_and_new_track ... ok
[INFO] [stderr]    Doc-tests metro
[INFO] [stdout] test events::tests::join_track_non_existing_from_track_non_existing_to_track ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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::Metro (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... 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 `Command { std: "docker" "inspect" "3ae20bbe16706be0c4007b9f3f3922c214452317a11fa9491d6a1ec49930b908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae20bbe16706be0c4007b9f3f3922c214452317a11fa9491d6a1ec49930b908", kill_on_drop: false }`
[INFO] [stdout] 3ae20bbe16706be0c4007b9f3f3922c214452317a11fa9491d6a1ec49930b908