[INFO] cloning repository https://github.com/mathieu-pousse/discover
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathieu-pousse/discover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-pousse%2Fdiscover", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-pousse%2Fdiscover'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 618ccb86c8b90815495d7355be37d3ecea6d9357
[INFO] testing mathieu-pousse/discover against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-pousse%2Fdiscover" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mathieu-pousse/discover 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/mathieu-pousse/discover
[INFO] finished tweaking git repo https://github.com/mathieu-pousse/discover
[INFO] tweaked toml for git repo https://github.com/mathieu-pousse/discover written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mathieu-pousse/discover 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f1c413791840b64102d4496b5423e1a139cddf9d1575141913a3e8521928de79
[INFO] running `Command { std: "docker" "start" "-a" "f1c413791840b64102d4496b5423e1a139cddf9d1575141913a3e8521928de79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1c413791840b64102d4496b5423e1a139cddf9d1575141913a3e8521928de79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c413791840b64102d4496b5423e1a139cddf9d1575141913a3e8521928de79", kill_on_drop: false }`
[INFO] [stdout] f1c413791840b64102d4496b5423e1a139cddf9d1575141913a3e8521928de79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 2d1488ff02bee38c26cf36bc7e3f90d7ca3b5c3b4db68a69967403b666f1c177
[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" "2d1488ff02bee38c26cf36bc7e3f90d7ca3b5c3b4db68a69967403b666f1c177", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling serde v1.0.8
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling discover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.85s
[INFO] running `Command { std: "docker" "inspect" "2d1488ff02bee38c26cf36bc7e3f90d7ca3b5c3b4db68a69967403b666f1c177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1488ff02bee38c26cf36bc7e3f90d7ca3b5c3b4db68a69967403b666f1c177", kill_on_drop: false }`
[INFO] [stdout] 2d1488ff02bee38c26cf36bc7e3f90d7ca3b5c3b4db68a69967403b666f1c177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 59b8484e6069ada59f97510347ab60134abde7e8dfe6591c0298ea7df2afb81b
[INFO] running `Command { std: "docker" "start" "-a" "59b8484e6069ada59f97510347ab60134abde7e8dfe6591c0298ea7df2afb81b", kill_on_drop: false }`
[INFO] [stderr]    Compiling discover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "59b8484e6069ada59f97510347ab60134abde7e8dfe6591c0298ea7df2afb81b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b8484e6069ada59f97510347ab60134abde7e8dfe6591c0298ea7df2afb81b", kill_on_drop: false }`
[INFO] [stdout] 59b8484e6069ada59f97510347ab60134abde7e8dfe6591c0298ea7df2afb81b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] fee75721a9819d11f07e78f2c38f7acbaf09d1b3bd3ffd81407553006246c9fd
[INFO] running `Command { std: "docker" "start" "-a" "fee75721a9819d11f07e78f2c38f7acbaf09d1b3bd3ffd81407553006246c9fd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/discover-f02ad4a820b62e2d)
[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" "fee75721a9819d11f07e78f2c38f7acbaf09d1b3bd3ffd81407553006246c9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee75721a9819d11f07e78f2c38f7acbaf09d1b3bd3ffd81407553006246c9fd", kill_on_drop: false }`
[INFO] [stdout] fee75721a9819d11f07e78f2c38f7acbaf09d1b3bd3ffd81407553006246c9fd