[INFO] fetching crate ezflags 0.1.3...
[INFO] testing ezflags-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ezflags 0.1.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ezflags 0.1.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ezflags 0.1.3
[INFO] finished tweaking crates.io crate ezflags 0.1.3
[INFO] tweaked toml for crates.io crate ezflags 0.1.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate ezflags 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 3ad6e2df129add0c2655155df2d0bdf749208fa0dd74936cdd6fe3c09ba309ca
[INFO] running `Command { std: "docker" "start" "-a" "3ad6e2df129add0c2655155df2d0bdf749208fa0dd74936cdd6fe3c09ba309ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ad6e2df129add0c2655155df2d0bdf749208fa0dd74936cdd6fe3c09ba309ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad6e2df129add0c2655155df2d0bdf749208fa0dd74936cdd6fe3c09ba309ca", kill_on_drop: false }`
[INFO] [stdout] 3ad6e2df129add0c2655155df2d0bdf749208fa0dd74936cdd6fe3c09ba309ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e08b2ac58d252f21ad1eb08def8eee144c8ac598d906674827ba61775fa3d7c
[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" "5e08b2ac58d252f21ad1eb08def8eee144c8ac598d906674827ba61775fa3d7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ezflags v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "5e08b2ac58d252f21ad1eb08def8eee144c8ac598d906674827ba61775fa3d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e08b2ac58d252f21ad1eb08def8eee144c8ac598d906674827ba61775fa3d7c", kill_on_drop: false }`
[INFO] [stdout] 5e08b2ac58d252f21ad1eb08def8eee144c8ac598d906674827ba61775fa3d7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d878796b6bbf324e0fa9a6704dd3d6f155a3c5ba53abb178c6f3f9f8a792a4
[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" "e7d878796b6bbf324e0fa9a6704dd3d6f155a3c5ba53abb178c6f3f9f8a792a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ezflags v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "e7d878796b6bbf324e0fa9a6704dd3d6f155a3c5ba53abb178c6f3f9f8a792a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d878796b6bbf324e0fa9a6704dd3d6f155a3c5ba53abb178c6f3f9f8a792a4", kill_on_drop: false }`
[INFO] [stdout] e7d878796b6bbf324e0fa9a6704dd3d6f155a3c5ba53abb178c6f3f9f8a792a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 211b8caa7d127510ffd042e574d9ac4ca91acf6511ed4ba64460e3ae43b4a09e
[INFO] running `Command { std: "docker" "start" "-a" "211b8caa7d127510ffd042e574d9ac4ca91acf6511ed4ba64460e3ae43b4a09e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ezflags-189ddfaa8ea7e648)
[INFO] [stdout] test tests::cannot_parse ... ok
[INFO] [stdout] test tests::needs_help ... ok
[INFO] [stdout] test tests::test_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ezflags
[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" "211b8caa7d127510ffd042e574d9ac4ca91acf6511ed4ba64460e3ae43b4a09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211b8caa7d127510ffd042e574d9ac4ca91acf6511ed4ba64460e3ae43b4a09e", kill_on_drop: false }`
[INFO] [stdout] 211b8caa7d127510ffd042e574d9ac4ca91acf6511ed4ba64460e3ae43b4a09e