[INFO] fetching crate srws 0.2.3...
[INFO] testing srws-0.2.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate srws 0.2.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate srws 0.2.3 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 srws 0.2.3
[INFO] finished tweaking crates.io crate srws 0.2.3
[INFO] tweaked toml for crates.io crate srws 0.2.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate srws 0.2.3 already has a lockfile, it will not be regenerated
[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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7559c23cf29ac1ed8b215d349f3c4d2512d52488306bf0d92452177c456d3836
[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" "7559c23cf29ac1ed8b215d349f3c4d2512d52488306bf0d92452177c456d3836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7559c23cf29ac1ed8b215d349f3c4d2512d52488306bf0d92452177c456d3836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7559c23cf29ac1ed8b215d349f3c4d2512d52488306bf0d92452177c456d3836", kill_on_drop: false }`
[INFO] [stdout] 7559c23cf29ac1ed8b215d349f3c4d2512d52488306bf0d92452177c456d3836
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc2118d13dbb43601abd7e07617e5b4e4d2cf50da6cdb64cb3a27b6b9e29e58f
[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" "fc2118d13dbb43601abd7e07617e5b4e4d2cf50da6cdb64cb3a27b6b9e29e58f", kill_on_drop: false }`
[INFO] [stderr]    Compiling readconfig v0.2.5
[INFO] [stderr]    Compiling srws v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "fc2118d13dbb43601abd7e07617e5b4e4d2cf50da6cdb64cb3a27b6b9e29e58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc2118d13dbb43601abd7e07617e5b4e4d2cf50da6cdb64cb3a27b6b9e29e58f", kill_on_drop: false }`
[INFO] [stdout] fc2118d13dbb43601abd7e07617e5b4e4d2cf50da6cdb64cb3a27b6b9e29e58f
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e184c466cd20bb3171042d548d2c71a434010355266ad444cc0af5296692eaea
[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" "e184c466cd20bb3171042d548d2c71a434010355266ad444cc0af5296692eaea", kill_on_drop: false }`
[INFO] [stderr]    Compiling srws v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "e184c466cd20bb3171042d548d2c71a434010355266ad444cc0af5296692eaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e184c466cd20bb3171042d548d2c71a434010355266ad444cc0af5296692eaea", kill_on_drop: false }`
[INFO] [stdout] e184c466cd20bb3171042d548d2c71a434010355266ad444cc0af5296692eaea
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f02098a2ab0783223e1864c25804d7b12ce8c4616551510d9616ce26577e6d0
[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" "9f02098a2ab0783223e1864c25804d7b12ce8c4616551510d9616ce26577e6d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/srws-719c56698b578bb7
[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" "9f02098a2ab0783223e1864c25804d7b12ce8c4616551510d9616ce26577e6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f02098a2ab0783223e1864c25804d7b12ce8c4616551510d9616ce26577e6d0", kill_on_drop: false }`
[INFO] [stdout] 9f02098a2ab0783223e1864c25804d7b12ce8c4616551510d9616ce26577e6d0