[INFO] cloning repository https://github.com/Dracyr/rust_regnbr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dracyr/rust_regnbr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDracyr%2Frust_regnbr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDracyr%2Frust_regnbr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7693dc9f9c0913238bfdcb1fb50b79050c516c30
[INFO] testing Dracyr/rust_regnbr against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDracyr%2Frust_regnbr" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files: 100% (7/7)
Updating files: 100% (7/7), done.
[INFO] validating manifest of git repo https://github.com/Dracyr/rust_regnbr on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dracyr/rust_regnbr
[INFO] finished tweaking git repo https://github.com/Dracyr/rust_regnbr
[INFO] tweaked toml for git repo https://github.com/Dracyr/rust_regnbr written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Dracyr/rust_regnbr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 878d98ba213803f8b571c1ae6c6d13042d026a38bc1ee49eee75da96fb1deb19
[INFO] running `Command { std: "docker" "start" "-a" "878d98ba213803f8b571c1ae6c6d13042d026a38bc1ee49eee75da96fb1deb19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "878d98ba213803f8b571c1ae6c6d13042d026a38bc1ee49eee75da96fb1deb19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878d98ba213803f8b571c1ae6c6d13042d026a38bc1ee49eee75da96fb1deb19", kill_on_drop: false }`
[INFO] [stdout] 878d98ba213803f8b571c1ae6c6d13042d026a38bc1ee49eee75da96fb1deb19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47ec9f7bcafeed60ed83ff7e8e5b2d209b86ea07b650a0545a83ab9f9acfc56e
[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" "47ec9f7bcafeed60ed83ff7e8e5b2d209b86ea07b650a0545a83ab9f9acfc56e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.4.3
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling rust_regnbr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "47ec9f7bcafeed60ed83ff7e8e5b2d209b86ea07b650a0545a83ab9f9acfc56e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ec9f7bcafeed60ed83ff7e8e5b2d209b86ea07b650a0545a83ab9f9acfc56e", kill_on_drop: false }`
[INFO] [stdout] 47ec9f7bcafeed60ed83ff7e8e5b2d209b86ea07b650a0545a83ab9f9acfc56e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 8ff3a2fdf591854ef2b8e2523996ee14433976078ef518fc4311376058e6bece
[INFO] running `Command { std: "docker" "start" "-a" "8ff3a2fdf591854ef2b8e2523996ee14433976078ef518fc4311376058e6bece", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_regnbr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "8ff3a2fdf591854ef2b8e2523996ee14433976078ef518fc4311376058e6bece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff3a2fdf591854ef2b8e2523996ee14433976078ef518fc4311376058e6bece", kill_on_drop: false }`
[INFO] [stdout] 8ff3a2fdf591854ef2b8e2523996ee14433976078ef518fc4311376058e6bece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 60c70cac4e906e8d51d6807ff416d5d634d09098e49e555059bf694fc65b3c6f
[INFO] running `Command { std: "docker" "start" "-a" "60c70cac4e906e8d51d6807ff416d5d634d09098e49e555059bf694fc65b3c6f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_regnbr-6e1175faba5386e0)
[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" "60c70cac4e906e8d51d6807ff416d5d634d09098e49e555059bf694fc65b3c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c70cac4e906e8d51d6807ff416d5d634d09098e49e555059bf694fc65b3c6f", kill_on_drop: false }`
[INFO] [stdout] 60c70cac4e906e8d51d6807ff416d5d634d09098e49e555059bf694fc65b3c6f