[INFO] cloning repository https://github.com/joyent/rust-quickcheck-helpers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joyent/rust-quickcheck-helpers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoyent%2Frust-quickcheck-helpers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoyent%2Frust-quickcheck-helpers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52a286ced9d285988deab2738a72b73a4ba81dd3
[INFO] testing joyent/rust-quickcheck-helpers against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoyent%2Frust-quickcheck-helpers" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joyent/rust-quickcheck-helpers on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joyent/rust-quickcheck-helpers
[INFO] finished tweaking git repo https://github.com/joyent/rust-quickcheck-helpers
[INFO] tweaked toml for git repo https://github.com/joyent/rust-quickcheck-helpers written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/joyent/rust-quickcheck-helpers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 453bd79d767c992db2a8a9a5270561f3f0e833389c4b2a33549cb457cbc3ef3b
[INFO] running `Command { std: "docker" "start" "-a" "453bd79d767c992db2a8a9a5270561f3f0e833389c4b2a33549cb457cbc3ef3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "453bd79d767c992db2a8a9a5270561f3f0e833389c4b2a33549cb457cbc3ef3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453bd79d767c992db2a8a9a5270561f3f0e833389c4b2a33549cb457cbc3ef3b", kill_on_drop: false }`
[INFO] [stdout] 453bd79d767c992db2a8a9a5270561f3f0e833389c4b2a33549cb457cbc3ef3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc001e781c48b4096e86371d68d908e66b4ed727242a8d898be62b12101b38ee
[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" "dc001e781c48b4096e86371d68d908e66b4ed727242a8d898be62b12101b38ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling quickcheck_helpers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.76s
[INFO] running `Command { std: "docker" "inspect" "dc001e781c48b4096e86371d68d908e66b4ed727242a8d898be62b12101b38ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc001e781c48b4096e86371d68d908e66b4ed727242a8d898be62b12101b38ee", kill_on_drop: false }`
[INFO] [stdout] dc001e781c48b4096e86371d68d908e66b4ed727242a8d898be62b12101b38ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e499090f7a1c81be2dbe71a98c0f63259a8bef3ee9a24d150f35fb264b190862
[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" "e499090f7a1c81be2dbe71a98c0f63259a8bef3ee9a24d150f35fb264b190862", kill_on_drop: false }`
[INFO] [stderr]    Compiling quickcheck_helpers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "e499090f7a1c81be2dbe71a98c0f63259a8bef3ee9a24d150f35fb264b190862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e499090f7a1c81be2dbe71a98c0f63259a8bef3ee9a24d150f35fb264b190862", kill_on_drop: false }`
[INFO] [stdout] e499090f7a1c81be2dbe71a98c0f63259a8bef3ee9a24d150f35fb264b190862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f216623699b3b4fd15247ee83c3835265f800074200fc57d9e4206698b3aa7ef
[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" "f216623699b3b4fd15247ee83c3835265f800074200fc57d9e4206698b3aa7ef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quickcheck_helpers-b42c30eee05aeb3d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests quickcheck_helpers
[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] [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" "f216623699b3b4fd15247ee83c3835265f800074200fc57d9e4206698b3aa7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f216623699b3b4fd15247ee83c3835265f800074200fc57d9e4206698b3aa7ef", kill_on_drop: false }`
[INFO] [stdout] f216623699b3b4fd15247ee83c3835265f800074200fc57d9e4206698b3aa7ef