[INFO] fetching crate cli-log 0.1.0...
[INFO] testing cli-log-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cli-log 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cli-log 0.1.0 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 cli-log 0.1.0
[INFO] finished tweaking crates.io crate cli-log 0.1.0
[INFO] tweaked toml for crates.io crate cli-log 0.1.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f0afc28cfe9d3dae381386febf12592d9ee64a15c75258ee999e2deb8c67255e
[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" "f0afc28cfe9d3dae381386febf12592d9ee64a15c75258ee999e2deb8c67255e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0afc28cfe9d3dae381386febf12592d9ee64a15c75258ee999e2deb8c67255e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0afc28cfe9d3dae381386febf12592d9ee64a15c75258ee999e2deb8c67255e", kill_on_drop: false }`
[INFO] [stdout] f0afc28cfe9d3dae381386febf12592d9ee64a15c75258ee999e2deb8c67255e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9160e21500cbeb1a4a684e9053a870541c4cf7a7428ab976ba0833081e500682
[INFO] running `Command { std: "docker" "start" "-a" "9160e21500cbeb1a4a684e9053a870541c4cf7a7428ab976ba0833081e500682", kill_on_drop: false }`
[INFO] [stderr]    Compiling cli-log v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "9160e21500cbeb1a4a684e9053a870541c4cf7a7428ab976ba0833081e500682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9160e21500cbeb1a4a684e9053a870541c4cf7a7428ab976ba0833081e500682", kill_on_drop: false }`
[INFO] [stdout] 9160e21500cbeb1a4a684e9053a870541c4cf7a7428ab976ba0833081e500682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4e31c5eb9129e21c62dab903c2dea87a7dc035bdf1a1071eabba46fa08da2b6d
[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" "4e31c5eb9129e21c62dab903c2dea87a7dc035bdf1a1071eabba46fa08da2b6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cli-log v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "4e31c5eb9129e21c62dab903c2dea87a7dc035bdf1a1071eabba46fa08da2b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e31c5eb9129e21c62dab903c2dea87a7dc035bdf1a1071eabba46fa08da2b6d", kill_on_drop: false }`
[INFO] [stdout] 4e31c5eb9129e21c62dab903c2dea87a7dc035bdf1a1071eabba46fa08da2b6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 545f16b9d89744812c6bcf3e532dba80c230383aa7f77ed648517c288bc7d84f
[INFO] running `Command { std: "docker" "start" "-a" "545f16b9d89744812c6bcf3e532dba80c230383aa7f77ed648517c288bc7d84f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cli_log-b4dd86b5f0cee002
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests cli-log
[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 2 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "545f16b9d89744812c6bcf3e532dba80c230383aa7f77ed648517c288bc7d84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545f16b9d89744812c6bcf3e532dba80c230383aa7f77ed648517c288bc7d84f", kill_on_drop: false }`
[INFO] [stdout] 545f16b9d89744812c6bcf3e532dba80c230383aa7f77ed648517c288bc7d84f