[INFO] fetching crate config-better 0.1.0...
[INFO] testing config-better-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate config-better 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate config-better 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate config-better 0.1.0
[INFO] finished tweaking crates.io crate config-better 0.1.0
[INFO] tweaked toml for crates.io crate config-better 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f700edf207d8c7829fe80bacd57edba1e3173e12cc24794b176f21e05e4becec
[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" "f700edf207d8c7829fe80bacd57edba1e3173e12cc24794b176f21e05e4becec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f700edf207d8c7829fe80bacd57edba1e3173e12cc24794b176f21e05e4becec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f700edf207d8c7829fe80bacd57edba1e3173e12cc24794b176f21e05e4becec", kill_on_drop: false }`
[INFO] [stdout] f700edf207d8c7829fe80bacd57edba1e3173e12cc24794b176f21e05e4becec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d028e08790f7d16d26027652414b7c34fcc271e43d0f8178533952f3f5df723a
[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" "d028e08790f7d16d26027652414b7c34fcc271e43d0f8178533952f3f5df723a", kill_on_drop: false }`
[INFO] [stderr]    Compiling config-better v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "d028e08790f7d16d26027652414b7c34fcc271e43d0f8178533952f3f5df723a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d028e08790f7d16d26027652414b7c34fcc271e43d0f8178533952f3f5df723a", kill_on_drop: false }`
[INFO] [stdout] d028e08790f7d16d26027652414b7c34fcc271e43d0f8178533952f3f5df723a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c8ee83685f9af6077d45000d44291bbd519e638a1718cf5d8ca92867a18b6bf
[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" "2c8ee83685f9af6077d45000d44291bbd519e638a1718cf5d8ca92867a18b6bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling config-better v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "2c8ee83685f9af6077d45000d44291bbd519e638a1718cf5d8ca92867a18b6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8ee83685f9af6077d45000d44291bbd519e638a1718cf5d8ca92867a18b6bf", kill_on_drop: false }`
[INFO] [stdout] 2c8ee83685f9af6077d45000d44291bbd519e638a1718cf5d8ca92867a18b6bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14d60a165f8caf71b73f3a094f1872f6832252ea06fbf9bd04d16ebb0c8e6b4a
[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" "14d60a165f8caf71b73f3a094f1872f6832252ea06fbf9bd04d16ebb0c8e6b4a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/config_better-4c6f548e0f3274e3)
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::it_uses_expected_macos_cache_path ... ok
[INFO] [stderr]    Doc-tests config-better
[INFO] [stdout] test tests::it_uses_expected_macos_config_path ... ok
[INFO] [stdout] test tests::it_respects_xdg_cache_home ... ok
[INFO] [stdout] test tests::it_uses_expected_macos_data_path ... ok
[INFO] [stdout] test tests::it_uses_expected_windows_cache_path ... ok
[INFO] [stdout] test tests::it_uses_expected_windows_config_path ... ok
[INFO] [stdout] test tests::it_uses_expected_windows_data_path ... ok
[INFO] [stdout] test tests::it_uses_expected_linux_data_path ... ok
[INFO] [stdout] test tests::it_uses_expected_linux_config_path ... ok
[INFO] [stdout] test tests::it_uses_expected_linux_cache_path ... ok
[INFO] [stdout] test tests::it_respects_xdg_data_home ... ok
[INFO] [stdout] test tests::it_respects_xdg_config_home ... ok
[INFO] [stdout] test tests::it_creates_and_removes_directories ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "14d60a165f8caf71b73f3a094f1872f6832252ea06fbf9bd04d16ebb0c8e6b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d60a165f8caf71b73f3a094f1872f6832252ea06fbf9bd04d16ebb0c8e6b4a", kill_on_drop: false }`
[INFO] [stdout] 14d60a165f8caf71b73f3a094f1872f6832252ea06fbf9bd04d16ebb0c8e6b4a