[INFO] fetching crate gabelung 0.2.4...
[INFO] testing gabelung-0.2.4 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate gabelung 0.2.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate gabelung 0.2.4 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", 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] 63125dbab8f2c045d8faad6cf11603fbce9a8fced1b90fc2801ea1fbec96055e
[INFO] running `Command { std: "docker" "start" "-a" "63125dbab8f2c045d8faad6cf11603fbce9a8fced1b90fc2801ea1fbec96055e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63125dbab8f2c045d8faad6cf11603fbce9a8fced1b90fc2801ea1fbec96055e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63125dbab8f2c045d8faad6cf11603fbce9a8fced1b90fc2801ea1fbec96055e", kill_on_drop: false }`
[INFO] [stdout] 63125dbab8f2c045d8faad6cf11603fbce9a8fced1b90fc2801ea1fbec96055e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 7cf3b860274fbbab9b1f586c7bd53ba85c783b47fd82ae697524767d6fdcb402
[INFO] running `Command { std: "docker" "start" "-a" "7cf3b860274fbbab9b1f586c7bd53ba85c783b47fd82ae697524767d6fdcb402", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[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 36.20s
[INFO] running `Command { std: "docker" "inspect" "7cf3b860274fbbab9b1f586c7bd53ba85c783b47fd82ae697524767d6fdcb402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf3b860274fbbab9b1f586c7bd53ba85c783b47fd82ae697524767d6fdcb402", kill_on_drop: false }`
[INFO] [stdout] 7cf3b860274fbbab9b1f586c7bd53ba85c783b47fd82ae697524767d6fdcb402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 685ab67a2dd5b20e00a11f8339ea90de48bca0fb6586cbfc5175c8677dda4ec9
[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" "685ab67a2dd5b20e00a11f8339ea90de48bca0fb6586cbfc5175c8677dda4ec9", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling async-io v1.2.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling async-std v1.7.0
[INFO] [stderr]    Compiling gabelung v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.33s
[INFO] running `Command { std: "docker" "inspect" "685ab67a2dd5b20e00a11f8339ea90de48bca0fb6586cbfc5175c8677dda4ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685ab67a2dd5b20e00a11f8339ea90de48bca0fb6586cbfc5175c8677dda4ec9", kill_on_drop: false }`
[INFO] [stdout] 685ab67a2dd5b20e00a11f8339ea90de48bca0fb6586cbfc5175c8677dda4ec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] f65b00f8feb8b676af441effe6d8bde00f6ef23127dd7bb00ec2b780fced24bd
[INFO] running `Command { std: "docker" "start" "-a" "f65b00f8feb8b676af441effe6d8bde00f6ef23127dd7bb00ec2b780fced24bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gabelung-7e08a0d4090e269d
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::tk::branch_multiple ... ok
[INFO] [stdout] test tests::tk::lockstep ... ok
[INFO] [stdout] test tests::a_std::branch_multiple ... ok
[INFO] [stdout] test tests::a_std::lockstep ... ok
[INFO] [stdout] test tests::tk::terminates ... ok
[INFO] [stdout] test tests::tk::drop_one_half ... ok
[INFO] [stdout] test tests::a_std::drop_one_half ... ok
[INFO] [stdout] test tests::tk::waits_for_other ... ok
[INFO] [stdout] test tests::tk::wakeup ... ok
[INFO] [stdout] test tests::a_std::waits_for_other ... ok
[INFO] [stdout] test tests::a_std::terminates ... ok
[INFO] [stdout] test tests::a_std::wakeup_after_drop ... ok
[INFO] [stdout] test tests::a_std::wakeup ... ok
[INFO] [stdout] test tests::tk::wakeup_after_drop ... 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 - new (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... 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" "f65b00f8feb8b676af441effe6d8bde00f6ef23127dd7bb00ec2b780fced24bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65b00f8feb8b676af441effe6d8bde00f6ef23127dd7bb00ec2b780fced24bd", kill_on_drop: false }`
[INFO] [stdout] f65b00f8feb8b676af441effe6d8bde00f6ef23127dd7bb00ec2b780fced24bd