[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmachina%2Frust-twelve-days-of-christmas" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexmachina/rust-twelve-days-of-christmas on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-13/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65cefc364b11dcc1213b6650ef26b3b41e51f5fad7f16c16f3e07c9d215a9142
[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" "65cefc364b11dcc1213b6650ef26b3b41e51f5fad7f16c16f3e07c9d215a9142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65cefc364b11dcc1213b6650ef26b3b41e51f5fad7f16c16f3e07c9d215a9142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65cefc364b11dcc1213b6650ef26b3b41e51f5fad7f16c16f3e07c9d215a9142", kill_on_drop: false }`
[INFO] [stdout] 65cefc364b11dcc1213b6650ef26b3b41e51f5fad7f16c16f3e07c9d215a9142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] 428730880d867d55a68cee5573c4a610508fc852e950169252e8099efbefcea4
[INFO] running `Command { std: "docker" "start" "-a" "428730880d867d55a68cee5573c4a610508fc852e950169252e8099efbefcea4", 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 1.31s
[INFO] running `Command { std: "docker" "inspect" "428730880d867d55a68cee5573c4a610508fc852e950169252e8099efbefcea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428730880d867d55a68cee5573c4a610508fc852e950169252e8099efbefcea4", kill_on_drop: false }`
[INFO] [stdout] 428730880d867d55a68cee5573c4a610508fc852e950169252e8099efbefcea4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb82494e56f7e3ad1878f6ffb50a4b12e938cdd547b5691db768c5aff84cc04e
[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" "cb82494e56f7e3ad1878f6ffb50a4b12e938cdd547b5691db768c5aff84cc04e", 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 0.77s
[INFO] running `Command { std: "docker" "inspect" "cb82494e56f7e3ad1878f6ffb50a4b12e938cdd547b5691db768c5aff84cc04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb82494e56f7e3ad1878f6ffb50a4b12e938cdd547b5691db768c5aff84cc04e", kill_on_drop: false }`
[INFO] [stdout] cb82494e56f7e3ad1878f6ffb50a4b12e938cdd547b5691db768c5aff84cc04e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f4d0d6573895e2d6d314aa5772319d2e9305fb7a9e7ed82dd5a2ae3c215ed22
[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" "0f4d0d6573895e2d6d314aa5772319d2e9305fb7a9e7ed82dd5a2ae3c215ed22", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twelve_days_of_christmas-589b4222ddbf3bbe)
[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" "0f4d0d6573895e2d6d314aa5772319d2e9305fb7a9e7ed82dd5a2ae3c215ed22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f4d0d6573895e2d6d314aa5772319d2e9305fb7a9e7ed82dd5a2ae3c215ed22", kill_on_drop: false }`
[INFO] [stdout] 0f4d0d6573895e2d6d314aa5772319d2e9305fb7a9e7ed82dd5a2ae3c215ed22