[INFO] updating cached repository https://github.com/webern/learn-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 645eb0758f638aa9b9492cbf9b54c47f19fc3773
[INFO] testing webern/learn-rs against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Flearn-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/webern/learn-rs on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/webern/learn-rs
[INFO] finished tweaking git repo https://github.com/webern/learn-rs
[INFO] tweaked toml for git repo https://github.com/webern/learn-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/webern/learn-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 5d905af30f72660a877a2a5cfed9eb45c31b03161d3abe0e4a892cfb31383590
[INFO] running `Command { std: "docker" "start" "-a" "5d905af30f72660a877a2a5cfed9eb45c31b03161d3abe0e4a892cfb31383590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d905af30f72660a877a2a5cfed9eb45c31b03161d3abe0e4a892cfb31383590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d905af30f72660a877a2a5cfed9eb45c31b03161d3abe0e4a892cfb31383590", kill_on_drop: false }`
[INFO] [stdout] 5d905af30f72660a877a2a5cfed9eb45c31b03161d3abe0e4a892cfb31383590
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14b8e7f16f9c42d85071eb78bf6a0f260144dbcf0b54a73f71e7ae5055c4fb88
[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" "14b8e7f16f9c42d85071eb78bf6a0f260144dbcf0b54a73f71e7ae5055c4fb88", kill_on_drop: false }`
[INFO] [stderr] time="2020-07-27T11:20:39Z" level=error msg="error waiting for container: context canceled"
[INFO] [stderr] Error response from daemon: endpoint with name interesting_sammet already exists in network none
[INFO] running `Command { std: "docker" "inspect" "14b8e7f16f9c42d85071eb78bf6a0f260144dbcf0b54a73f71e7ae5055c4fb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b8e7f16f9c42d85071eb78bf6a0f260144dbcf0b54a73f71e7ae5055c4fb88", kill_on_drop: false }`
[INFO] [stdout] 14b8e7f16f9c42d85071eb78bf6a0f260144dbcf0b54a73f71e7ae5055c4fb88