[INFO] fetching crate libargs 0.1.2...
[INFO] testing libargs-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate libargs 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libargs 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libargs 0.1.2
[INFO] finished tweaking crates.io crate libargs 0.1.2
[INFO] tweaked toml for crates.io crate libargs 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ee48e7b44dc2c87655ff35b6f186866a4112fb79b48754ddff6b35d9c695264
[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" "4ee48e7b44dc2c87655ff35b6f186866a4112fb79b48754ddff6b35d9c695264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ee48e7b44dc2c87655ff35b6f186866a4112fb79b48754ddff6b35d9c695264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee48e7b44dc2c87655ff35b6f186866a4112fb79b48754ddff6b35d9c695264", kill_on_drop: false }`
[INFO] [stdout] 4ee48e7b44dc2c87655ff35b6f186866a4112fb79b48754ddff6b35d9c695264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f96d7b7444c1470d45944d282ad63ed3b9c80b2120f2df61a9473496529ec5d
[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" "0f96d7b7444c1470d45944d282ad63ed3b9c80b2120f2df61a9473496529ec5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libargs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "0f96d7b7444c1470d45944d282ad63ed3b9c80b2120f2df61a9473496529ec5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f96d7b7444c1470d45944d282ad63ed3b9c80b2120f2df61a9473496529ec5d", kill_on_drop: false }`
[INFO] [stdout] 0f96d7b7444c1470d45944d282ad63ed3b9c80b2120f2df61a9473496529ec5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dc0b78ae7014341d750a561da69c14896c23aedc99f46bf8c7a66f68de7ba5d
[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" "1dc0b78ae7014341d750a561da69c14896c23aedc99f46bf8c7a66f68de7ba5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libargs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "1dc0b78ae7014341d750a561da69c14896c23aedc99f46bf8c7a66f68de7ba5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc0b78ae7014341d750a561da69c14896c23aedc99f46bf8c7a66f68de7ba5d", kill_on_drop: false }`
[INFO] [stdout] 1dc0b78ae7014341d750a561da69c14896c23aedc99f46bf8c7a66f68de7ba5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 04d0b2bbeda5b604cc668462df1d1bc9a16fb39ccfc77164a10d7d0dfa35b076
[INFO] running `Command { std: "docker" "start" "-a" "04d0b2bbeda5b604cc668462df1d1bc9a16fb39ccfc77164a10d7d0dfa35b076", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libargs-5324b1ee5ce57d28
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests libargs
[INFO] [stdout] test tests::args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "04d0b2bbeda5b604cc668462df1d1bc9a16fb39ccfc77164a10d7d0dfa35b076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d0b2bbeda5b604cc668462df1d1bc9a16fb39ccfc77164a10d7d0dfa35b076", kill_on_drop: false }`
[INFO] [stdout] 04d0b2bbeda5b604cc668462df1d1bc9a16fb39ccfc77164a10d7d0dfa35b076