[INFO] fetching crate app-config 0.1.0...
[INFO] testing app-config-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate app-config 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate app-config 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate app-config 0.1.0
[INFO] finished tweaking crates.io crate app-config 0.1.0
[INFO] tweaked toml for crates.io crate app-config 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "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] ca55f50b33c9787ac0a60ae2765781dd2f27313de9cb87f00e5c72c1d1e04dea
[INFO] running `Command { std: "docker" "start" "-a" "ca55f50b33c9787ac0a60ae2765781dd2f27313de9cb87f00e5c72c1d1e04dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca55f50b33c9787ac0a60ae2765781dd2f27313de9cb87f00e5c72c1d1e04dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca55f50b33c9787ac0a60ae2765781dd2f27313de9cb87f00e5c72c1d1e04dea", kill_on_drop: false }`
[INFO] [stdout] ca55f50b33c9787ac0a60ae2765781dd2f27313de9cb87f00e5c72c1d1e04dea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b1e3d2ba8c47c11dd9e180ecf286dd16bbda91c096629540e2ebc90e1765133
[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" "8b1e3d2ba8c47c11dd9e180ecf286dd16bbda91c096629540e2ebc90e1765133", kill_on_drop: false }`
[INFO] [stderr]    Compiling app-config v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8b1e3d2ba8c47c11dd9e180ecf286dd16bbda91c096629540e2ebc90e1765133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1e3d2ba8c47c11dd9e180ecf286dd16bbda91c096629540e2ebc90e1765133", kill_on_drop: false }`
[INFO] [stdout] 8b1e3d2ba8c47c11dd9e180ecf286dd16bbda91c096629540e2ebc90e1765133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen" "--no-run" "--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] 670f21cf633c21150644973ff3ec6d680a9082fd2404392f2ea7d240e1507e0d
[INFO] running `Command { std: "docker" "start" "-a" "670f21cf633c21150644973ff3ec6d680a9082fd2404392f2ea7d240e1507e0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling app-config v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "670f21cf633c21150644973ff3ec6d680a9082fd2404392f2ea7d240e1507e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "670f21cf633c21150644973ff3ec6d680a9082fd2404392f2ea7d240e1507e0d", kill_on_drop: false }`
[INFO] [stdout] 670f21cf633c21150644973ff3ec6d680a9082fd2404392f2ea7d240e1507e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18ef66dc5ffa0e6b22a99b041e8780a3c825ee6ad09db0a679f176364ca328ae
[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" "18ef66dc5ffa0e6b22a99b041e8780a3c825ee6ad09db0a679f176364ca328ae", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/app_config-fbac5c8c3f10aa9d
[INFO] [stderr]    Doc-tests app-config
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18ef66dc5ffa0e6b22a99b041e8780a3c825ee6ad09db0a679f176364ca328ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ef66dc5ffa0e6b22a99b041e8780a3c825ee6ad09db0a679f176364ca328ae", kill_on_drop: false }`
[INFO] [stdout] 18ef66dc5ffa0e6b22a99b041e8780a3c825ee6ad09db0a679f176364ca328ae