[INFO] cloning repository https://github.com/danielwetan/basic-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielwetan/basic-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielwetan%2Fbasic-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielwetan%2Fbasic-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e65ced15676d2e0049ee3abf2ddb4b6c350bf546
[INFO] testing danielwetan/basic-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielwetan%2Fbasic-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danielwetan/basic-rust 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/danielwetan/basic-rust
[INFO] finished tweaking git repo https://github.com/danielwetan/basic-rust
[INFO] tweaked toml for git repo https://github.com/danielwetan/basic-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/danielwetan/basic-rust 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1a680b7d1ff756c314f31f5005fc23a9a2a336aadda5675be71154ad812e6b41
[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" "1a680b7d1ff756c314f31f5005fc23a9a2a336aadda5675be71154ad812e6b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a680b7d1ff756c314f31f5005fc23a9a2a336aadda5675be71154ad812e6b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a680b7d1ff756c314f31f5005fc23a9a2a336aadda5675be71154ad812e6b41", kill_on_drop: false }`
[INFO] [stdout] 1a680b7d1ff756c314f31f5005fc23a9a2a336aadda5675be71154ad812e6b41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] efa0b7c14a4556f270f1d155d25f906f693c8416add2891683d7edf2f559bb03
[INFO] running `Command { std: "docker" "start" "-a" "efa0b7c14a4556f270f1d155d25f906f693c8416add2891683d7edf2f559bb03", kill_on_drop: false }`
[INFO] [stderr]    Compiling code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "efa0b7c14a4556f270f1d155d25f906f693c8416add2891683d7edf2f559bb03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa0b7c14a4556f270f1d155d25f906f693c8416add2891683d7edf2f559bb03", kill_on_drop: false }`
[INFO] [stdout] efa0b7c14a4556f270f1d155d25f906f693c8416add2891683d7edf2f559bb03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b592a8b6a336aebcf7af7e58024bd6ba13f7ebf51ae0f6d4891c59ac7d09350
[INFO] running `Command { std: "docker" "start" "-a" "6b592a8b6a336aebcf7af7e58024bd6ba13f7ebf51ae0f6d4891c59ac7d09350", kill_on_drop: false }`
[INFO] [stderr]    Compiling code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "6b592a8b6a336aebcf7af7e58024bd6ba13f7ebf51ae0f6d4891c59ac7d09350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b592a8b6a336aebcf7af7e58024bd6ba13f7ebf51ae0f6d4891c59ac7d09350", kill_on_drop: false }`
[INFO] [stdout] 6b592a8b6a336aebcf7af7e58024bd6ba13f7ebf51ae0f6d4891c59ac7d09350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35ea7adcc529897b20b84c4146dac3b42bc20fdb911b602018eabd880f5ce685
[INFO] running `Command { std: "docker" "start" "-a" "35ea7adcc529897b20b84c4146dac3b42bc20fdb911b602018eabd880f5ce685", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/code-6848535d7eb3c981)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35ea7adcc529897b20b84c4146dac3b42bc20fdb911b602018eabd880f5ce685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ea7adcc529897b20b84c4146dac3b42bc20fdb911b602018eabd880f5ce685", kill_on_drop: false }`
[INFO] [stdout] 35ea7adcc529897b20b84c4146dac3b42bc20fdb911b602018eabd880f5ce685