[INFO] cloning repository https://github.com/alexmachina/rust-twelve-days-of-christmas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexmachina/rust-twelve-days-of-christmas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmachina%2Frust-twelve-days-of-christmas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmachina%2Frust-twelve-days-of-christmas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 635cedb6dcb292e288df83815400f851031736ec
[INFO] testing alexmachina/rust-twelve-days-of-christmas against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmachina%2Frust-twelve-days-of-christmas" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexmachina/rust-twelve-days-of-christmas on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexmachina/rust-twelve-days-of-christmas
[INFO] finished tweaking git repo https://github.com/alexmachina/rust-twelve-days-of-christmas
[INFO] tweaked toml for git repo https://github.com/alexmachina/rust-twelve-days-of-christmas written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/alexmachina/rust-twelve-days-of-christmas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca3c416b5aacf822333814fd69b843178407ee11e338197f3e91741a98d235fc
[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" "ca3c416b5aacf822333814fd69b843178407ee11e338197f3e91741a98d235fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca3c416b5aacf822333814fd69b843178407ee11e338197f3e91741a98d235fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3c416b5aacf822333814fd69b843178407ee11e338197f3e91741a98d235fc", kill_on_drop: false }`
[INFO] [stdout] ca3c416b5aacf822333814fd69b843178407ee11e338197f3e91741a98d235fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a26b21880aa3fb912aa310487ddcdc63615002c99ae96a416c08d9ae7b8d7b15
[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" "a26b21880aa3fb912aa310487ddcdc63615002c99ae96a416c08d9ae7b8d7b15", kill_on_drop: false }`
[INFO] [stderr]    Compiling twelve-days-of-christmas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "a26b21880aa3fb912aa310487ddcdc63615002c99ae96a416c08d9ae7b8d7b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26b21880aa3fb912aa310487ddcdc63615002c99ae96a416c08d9ae7b8d7b15", kill_on_drop: false }`
[INFO] [stdout] a26b21880aa3fb912aa310487ddcdc63615002c99ae96a416c08d9ae7b8d7b15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 227fb2b62f7cee87124ae472511c3edc68c64d114cd65a23605de8a1816df456
[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" "227fb2b62f7cee87124ae472511c3edc68c64d114cd65a23605de8a1816df456", kill_on_drop: false }`
[INFO] [stderr]    Compiling twelve-days-of-christmas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "227fb2b62f7cee87124ae472511c3edc68c64d114cd65a23605de8a1816df456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227fb2b62f7cee87124ae472511c3edc68c64d114cd65a23605de8a1816df456", kill_on_drop: false }`
[INFO] [stdout] 227fb2b62f7cee87124ae472511c3edc68c64d114cd65a23605de8a1816df456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 022aa361a8d72b056554307b7a42c007fd27d4b9042501ddb058ed696bc224a2
[INFO] running `Command { std: "docker" "start" "-a" "022aa361a8d72b056554307b7a42c007fd27d4b9042501ddb058ed696bc224a2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twelve_days_of_christmas-98c73ee8de2fe2d2)
[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] running `Command { std: "docker" "inspect" "022aa361a8d72b056554307b7a42c007fd27d4b9042501ddb058ed696bc224a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022aa361a8d72b056554307b7a42c007fd27d4b9042501ddb058ed696bc224a2", kill_on_drop: false }`
[INFO] [stdout] 022aa361a8d72b056554307b7a42c007fd27d4b9042501ddb058ed696bc224a2