[INFO] fetching crate flow_arena 0.4.4...
[INFO] testing flow_arena-0.4.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate flow_arena 0.4.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate flow_arena 0.4.4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flow_arena 0.4.4
[INFO] finished tweaking crates.io crate flow_arena 0.4.4
[INFO] tweaked toml for crates.io crate flow_arena 0.4.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efc81f5629325d5bc48f5a29bb2b86e725cbc3c22d66a98cd45f989f91790172
[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" "efc81f5629325d5bc48f5a29bb2b86e725cbc3c22d66a98cd45f989f91790172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efc81f5629325d5bc48f5a29bb2b86e725cbc3c22d66a98cd45f989f91790172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc81f5629325d5bc48f5a29bb2b86e725cbc3c22d66a98cd45f989f91790172", kill_on_drop: false }`
[INFO] [stdout] efc81f5629325d5bc48f5a29bb2b86e725cbc3c22d66a98cd45f989f91790172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d2234e1bacbb7e62069512c7d81e9158b7f81fe93b1a4efc5aea4864a882adb
[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" "2d2234e1bacbb7e62069512c7d81e9158b7f81fe93b1a4efc5aea4864a882adb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling flow_arena v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.37s
[INFO] running `Command { std: "docker" "inspect" "2d2234e1bacbb7e62069512c7d81e9158b7f81fe93b1a4efc5aea4864a882adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2234e1bacbb7e62069512c7d81e9158b7f81fe93b1a4efc5aea4864a882adb", kill_on_drop: false }`
[INFO] [stdout] 2d2234e1bacbb7e62069512c7d81e9158b7f81fe93b1a4efc5aea4864a882adb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--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] ce61a4c3600ca13b90ff8b43161d1595db0bb1c431628fd4882daff2acf50450
[INFO] running `Command { std: "docker" "start" "-a" "ce61a4c3600ca13b90ff8b43161d1595db0bb1c431628fd4882daff2acf50450", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling flow_arena v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "ce61a4c3600ca13b90ff8b43161d1595db0bb1c431628fd4882daff2acf50450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce61a4c3600ca13b90ff8b43161d1595db0bb1c431628fd4882daff2acf50450", kill_on_drop: false }`
[INFO] [stdout] ce61a4c3600ca13b90ff8b43161d1595db0bb1c431628fd4882daff2acf50450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d7c3b13e934799d5a768bb4be70d15fd47cc8b421aa2a2f1da8a398b96f3542
[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" "0d7c3b13e934799d5a768bb4be70d15fd47cc8b421aa2a2f1da8a398b96f3542", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flow_arena-796c941c97006db6)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]    Doc-tests flow_arena
[INFO] [stdout] test arena::tests::flow_dock ... ok
[INFO] [stdout] test arena::tests::main_test ... ok
[INFO] [stdout] test arena::tests::serde ... ok
[INFO] [stdout] test arena::tests::offspring_ownership ... ok
[INFO] [stdout] test arena::tests::iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0d7c3b13e934799d5a768bb4be70d15fd47cc8b421aa2a2f1da8a398b96f3542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7c3b13e934799d5a768bb4be70d15fd47cc8b421aa2a2f1da8a398b96f3542", kill_on_drop: false }`
[INFO] [stdout] 0d7c3b13e934799d5a768bb4be70d15fd47cc8b421aa2a2f1da8a398b96f3542