[INFO] fetching crate steward 0.0.3...
[INFO] testing steward-0.0.3 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate steward 0.0.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate steward 0.0.3 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 steward 0.0.3
[INFO] finished tweaking crates.io crate steward 0.0.3
[INFO] tweaked toml for crates.io crate steward 0.0.3 written to /workspace/builds/worker-8/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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 9f673ffc356f18c6eaf47189ac176796a782f1b34a4a1018a161f4c503f4e370
[INFO] running `Command { std: "docker" "start" "-a" "9f673ffc356f18c6eaf47189ac176796a782f1b34a4a1018a161f4c503f4e370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f673ffc356f18c6eaf47189ac176796a782f1b34a4a1018a161f4c503f4e370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f673ffc356f18c6eaf47189ac176796a782f1b34a4a1018a161f4c503f4e370", kill_on_drop: false }`
[INFO] [stdout] 9f673ffc356f18c6eaf47189ac176796a782f1b34a4a1018a161f4c503f4e370
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 88defeeaa772670472af50b292dc441a1526fd0d2b821133027bd81670bef61f
[INFO] running `Command { std: "docker" "start" "-a" "88defeeaa772670472af50b292dc441a1526fd0d2b821133027bd81670bef61f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling steward v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.15s
[INFO] running `Command { std: "docker" "inspect" "88defeeaa772670472af50b292dc441a1526fd0d2b821133027bd81670bef61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88defeeaa772670472af50b292dc441a1526fd0d2b821133027bd81670bef61f", kill_on_drop: false }`
[INFO] [stdout] 88defeeaa772670472af50b292dc441a1526fd0d2b821133027bd81670bef61f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 034ecdb0c0ee56e5282eafc1942c836a545c484bb3c3d5b90f3900898d8e98e7
[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" "034ecdb0c0ee56e5282eafc1942c836a545c484bb3c3d5b90f3900898d8e98e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling steward v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "034ecdb0c0ee56e5282eafc1942c836a545c484bb3c3d5b90f3900898d8e98e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034ecdb0c0ee56e5282eafc1942c836a545c484bb3c3d5b90f3900898d8e98e7", kill_on_drop: false }`
[INFO] [stdout] 034ecdb0c0ee56e5282eafc1942c836a545c484bb3c3d5b90f3900898d8e98e7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 3339832b9e6edb7fc3ccba149f389515a5c0cc80a5e195c2855883da13cf4f9b
[INFO] running `Command { std: "docker" "start" "-a" "3339832b9e6edb7fc3ccba149f389515a5c0cc80a5e195c2855883da13cf4f9b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/steward-cfc9a6659d83386d)
[INFO] [stderr]    Doc-tests steward
[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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/cmd.rs - cmd (line 123) ... ignored
[INFO] [stdout] test src/cmd.rs - cmd (line 133) ... ignored
[INFO] [stdout] test src/cmd.rs - cmd (line 143) ... ignored
[INFO] [stdout] test src/lib.rs - (line 17) ... ignored
[INFO] [stdout] test src/lib.rs - cmd (line 89) ... ignored
[INFO] [stdout] test src/lib.rs - process (line 105) ... ignored
[INFO] [stdout] test src/process.rs - process (line 105) ... ignored
[INFO] [stdout] test src/process.rs - process (line 97) ... ignored
[INFO] [stdout] test src/process.rs - process::ProcessPool (line 305) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 9 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3339832b9e6edb7fc3ccba149f389515a5c0cc80a5e195c2855883da13cf4f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3339832b9e6edb7fc3ccba149f389515a5c0cc80a5e195c2855883da13cf4f9b", kill_on_drop: false }`
[INFO] [stdout] 3339832b9e6edb7fc3ccba149f389515a5c0cc80a5e195c2855883da13cf4f9b