[INFO] fetching crate gabelung 0.2.4...
[INFO] testing gabelung-0.2.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate gabelung 0.2.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gabelung 0.2.4 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 gabelung 0.2.4
[INFO] finished tweaking crates.io crate gabelung 0.2.4
[INFO] tweaked toml for crates.io crate gabelung 0.2.4 written to /workspace/builds/worker-4/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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efad0a276a54028a5019916ce89f58349a324e53433f89a02242e3330c39f74c
[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" "efad0a276a54028a5019916ce89f58349a324e53433f89a02242e3330c39f74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efad0a276a54028a5019916ce89f58349a324e53433f89a02242e3330c39f74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efad0a276a54028a5019916ce89f58349a324e53433f89a02242e3330c39f74c", kill_on_drop: false }`
[INFO] [stdout] efad0a276a54028a5019916ce89f58349a324e53433f89a02242e3330c39f74c
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] b3a169792305522f114f36a19e0bfacd02d2852fa03abb423e23eecf92f1b30a
[INFO] running `Command { std: "docker" "start" "-a" "b3a169792305522f114f36a19e0bfacd02d2852fa03abb423e23eecf92f1b30a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling gabelung v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.45s
[INFO] running `Command { std: "docker" "inspect" "b3a169792305522f114f36a19e0bfacd02d2852fa03abb423e23eecf92f1b30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a169792305522f114f36a19e0bfacd02d2852fa03abb423e23eecf92f1b30a", kill_on_drop: false }`
[INFO] [stdout] b3a169792305522f114f36a19e0bfacd02d2852fa03abb423e23eecf92f1b30a
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ee17ffe07327080c0fe9c276254486ec4936ca78687546f4a029a6d3c8748e4
[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" "8ee17ffe07327080c0fe9c276254486ec4936ca78687546f4a029a6d3c8748e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling gabelung v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.97s
[INFO] running `Command { std: "docker" "inspect" "8ee17ffe07327080c0fe9c276254486ec4936ca78687546f4a029a6d3c8748e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee17ffe07327080c0fe9c276254486ec4936ca78687546f4a029a6d3c8748e4", kill_on_drop: false }`
[INFO] [stdout] 8ee17ffe07327080c0fe9c276254486ec4936ca78687546f4a029a6d3c8748e4
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d268be6d18793afa3cc1ddc08468f80c2c75beefa9d47a6cc634240a664d4f02
[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" "d268be6d18793afa3cc1ddc08468f80c2c75beefa9d47a6cc634240a664d4f02", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gabelung-16cccb6c30c5bd59
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::tk::branch_multiple ... ok
[INFO] [stdout] test tests::tk::drop_one_half ... ok
[INFO] [stdout] test tests::tk::lockstep ... ok
[INFO] [stdout] test tests::tk::terminates ... ok
[INFO] [stdout] test tests::a_std::drop_one_half ... ok
[INFO] [stdout] test tests::a_std::lockstep ... ok
[INFO] [stdout] test tests::tk::waits_for_other ... ok
[INFO] [stdout] test tests::a_std::wakeup_after_drop ... ok
[INFO] [stdout] test tests::a_std::waits_for_other ... ok
[INFO] [stdout] test tests::tk::wakeup ... ok
[INFO] [stdout] test tests::a_std::terminates ... ok
[INFO] [stdout] test tests::tk::wakeup_after_drop ... ok
[INFO] [stdout] test tests::a_std::wakeup ... ok
[INFO] [stdout] test tests::a_std::branch_multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gabelung
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - new (line 81) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d268be6d18793afa3cc1ddc08468f80c2c75beefa9d47a6cc634240a664d4f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d268be6d18793afa3cc1ddc08468f80c2c75beefa9d47a6cc634240a664d4f02", kill_on_drop: false }`
[INFO] [stdout] d268be6d18793afa3cc1ddc08468f80c2c75beefa9d47a6cc634240a664d4f02