[INFO] fetching crate myfirstlibrary 0.1.2...
[INFO] testing myfirstlibrary-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate myfirstlibrary 0.1.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate myfirstlibrary 0.1.2 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 myfirstlibrary 0.1.2
[INFO] finished tweaking crates.io crate myfirstlibrary 0.1.2
[INFO] tweaked toml for crates.io crate myfirstlibrary 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate myfirstlibrary 0.1.2 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 119a9b9c507ec8a1d7e9941d0ec25b34b66c6920385c52240a05c096328b23c6
[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" "119a9b9c507ec8a1d7e9941d0ec25b34b66c6920385c52240a05c096328b23c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "119a9b9c507ec8a1d7e9941d0ec25b34b66c6920385c52240a05c096328b23c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119a9b9c507ec8a1d7e9941d0ec25b34b66c6920385c52240a05c096328b23c6", kill_on_drop: false }`
[INFO] [stdout] 119a9b9c507ec8a1d7e9941d0ec25b34b66c6920385c52240a05c096328b23c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 28de123fa15a4c35bc78a254a35f5238692b8e1f356fc589ccbc722c03dbdf52
[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" "28de123fa15a4c35bc78a254a35f5238692b8e1f356fc589ccbc722c03dbdf52", kill_on_drop: false }`
[INFO] [stderr]    Compiling myfirstlibrary v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "28de123fa15a4c35bc78a254a35f5238692b8e1f356fc589ccbc722c03dbdf52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28de123fa15a4c35bc78a254a35f5238692b8e1f356fc589ccbc722c03dbdf52", kill_on_drop: false }`
[INFO] [stdout] 28de123fa15a4c35bc78a254a35f5238692b8e1f356fc589ccbc722c03dbdf52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] dcf22475c2f5f83d80125991dc86b60bdce5bdac2c4e059baad10d5fc12e00ba
[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" "dcf22475c2f5f83d80125991dc86b60bdce5bdac2c4e059baad10d5fc12e00ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling myfirstlibrary v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "dcf22475c2f5f83d80125991dc86b60bdce5bdac2c4e059baad10d5fc12e00ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf22475c2f5f83d80125991dc86b60bdce5bdac2c4e059baad10d5fc12e00ba", kill_on_drop: false }`
[INFO] [stdout] dcf22475c2f5f83d80125991dc86b60bdce5bdac2c4e059baad10d5fc12e00ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 28f026b2c4b20737b188197c6d75e8350bf4e1919f7bebe460870db8e206beaf
[INFO] running `Command { std: "docker" "start" "-a" "28f026b2c4b20737b188197c6d75e8350bf4e1919f7bebe460870db8e206beaf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/myfirstlibrary-e16b92b1b7e75758
[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" "28f026b2c4b20737b188197c6d75e8350bf4e1919f7bebe460870db8e206beaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f026b2c4b20737b188197c6d75e8350bf4e1919f7bebe460870db8e206beaf", kill_on_drop: false }`
[INFO] [stdout] 28f026b2c4b20737b188197c6d75e8350bf4e1919f7bebe460870db8e206beaf