[INFO] fetching crate plumbing 1.0.0...
[INFO] testing plumbing-1.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate plumbing 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate plumbing 1.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plumbing 1.0.0
[INFO] finished tweaking crates.io crate plumbing 1.0.0
[INFO] tweaked toml for crates.io crate plumbing 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] d563b5bc0d5769278bc3b5d4afa2b4a12e06c1e304ff060eaeffd9b4e55671bb
[INFO] running `Command { std: "docker" "start" "-a" "d563b5bc0d5769278bc3b5d4afa2b4a12e06c1e304ff060eaeffd9b4e55671bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d563b5bc0d5769278bc3b5d4afa2b4a12e06c1e304ff060eaeffd9b4e55671bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d563b5bc0d5769278bc3b5d4afa2b4a12e06c1e304ff060eaeffd9b4e55671bb", kill_on_drop: false }`
[INFO] [stdout] d563b5bc0d5769278bc3b5d4afa2b4a12e06c1e304ff060eaeffd9b4e55671bb
[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=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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e8d0c33b4f655aed42c1245868298d34ca255ae1a9bb9721cddb47e8f77c6d
[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" "95e8d0c33b4f655aed42c1245868298d34ca255ae1a9bb9721cddb47e8f77c6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling foreback v1.1.1
[INFO] [stderr]    Compiling plumbing v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.47s
[INFO] running `Command { std: "docker" "inspect" "95e8d0c33b4f655aed42c1245868298d34ca255ae1a9bb9721cddb47e8f77c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e8d0c33b4f655aed42c1245868298d34ca255ae1a9bb9721cddb47e8f77c6d", kill_on_drop: false }`
[INFO] [stdout] 95e8d0c33b4f655aed42c1245868298d34ca255ae1a9bb9721cddb47e8f77c6d
[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=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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 203345f914739268510af737674d3c1b3727233e4496170a8554dabf0d512d1d
[INFO] running `Command { std: "docker" "start" "-a" "203345f914739268510af737674d3c1b3727233e4496170a8554dabf0d512d1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling plumbing v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "203345f914739268510af737674d3c1b3727233e4496170a8554dabf0d512d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203345f914739268510af737674d3c1b3727233e4496170a8554dabf0d512d1d", kill_on_drop: false }`
[INFO] [stdout] 203345f914739268510af737674d3c1b3727233e4496170a8554dabf0d512d1d
[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=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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 722a0cefea0b237f5fb0f2f77b1981abdf422285f8519aa324a648bca5bd11df
[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" "722a0cefea0b237f5fb0f2f77b1981abdf422285f8519aa324a648bca5bd11df", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/plumbing-0df26e1899bc9ab5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-d3ff04722056abe1)
[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 9 tests
[INFO] [stdout] test test_owned_drop_chain ... ok
[INFO] [stdout] test ordering_test ... ok
[INFO] [stdout] test test_none_propagation ... ok
[INFO] [stdout] test basic_test ... ok
[INFO] [stderr]    Doc-tests plumbing
[INFO] [stdout] test test_dangling_tail ... ok
[INFO] [stdout] test drop_test ... ok
[INFO] [stdout] test fake_db_test::test_fake_db ... ok
[INFO] [stdout] test fake_db_test::test_fake_db_two_queries ... ok
[INFO] [stdout] test test_drain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "722a0cefea0b237f5fb0f2f77b1981abdf422285f8519aa324a648bca5bd11df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722a0cefea0b237f5fb0f2f77b1981abdf422285f8519aa324a648bca5bd11df", kill_on_drop: false }`
[INFO] [stdout] 722a0cefea0b237f5fb0f2f77b1981abdf422285f8519aa324a648bca5bd11df