[INFO] fetching crate plumbing 1.0.0...
[INFO] testing plumbing-1.0.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate plumbing 1.0.0 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate plumbing 1.0.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded foreback v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71be7f67ea9010db5faff8f98be8626153f143d40de6c1788c1506f9628f8bb2
[INFO] running `Command { std: "docker" "start" "-a" "71be7f67ea9010db5faff8f98be8626153f143d40de6c1788c1506f9628f8bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71be7f67ea9010db5faff8f98be8626153f143d40de6c1788c1506f9628f8bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71be7f67ea9010db5faff8f98be8626153f143d40de6c1788c1506f9628f8bb2", kill_on_drop: false }`
[INFO] [stdout] 71be7f67ea9010db5faff8f98be8626153f143d40de6c1788c1506f9628f8bb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b57b90925a2daef15c3213f4e26561ddd05c676b431d5da75b64739d38b189e
[INFO] running `Command { std: "docker" "start" "-a" "9b57b90925a2daef15c3213f4e26561ddd05c676b431d5da75b64739d38b189e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling futures v0.3.18
[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 8.87s
[INFO] running `Command { std: "docker" "inspect" "9b57b90925a2daef15c3213f4e26561ddd05c676b431d5da75b64739d38b189e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b57b90925a2daef15c3213f4e26561ddd05c676b431d5da75b64739d38b189e", kill_on_drop: false }`
[INFO] [stdout] 9b57b90925a2daef15c3213f4e26561ddd05c676b431d5da75b64739d38b189e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 506aa3a833cbe574e2b2c5b9356ceb2c0eca60d7684a8fc3872ba1e8c41c8015
[INFO] running `Command { std: "docker" "start" "-a" "506aa3a833cbe574e2b2c5b9356ceb2c0eca60d7684a8fc3872ba1e8c41c8015", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[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 5.09s
[INFO] running `Command { std: "docker" "inspect" "506aa3a833cbe574e2b2c5b9356ceb2c0eca60d7684a8fc3872ba1e8c41c8015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506aa3a833cbe574e2b2c5b9356ceb2c0eca60d7684a8fc3872ba1e8c41c8015", kill_on_drop: false }`
[INFO] [stdout] 506aa3a833cbe574e2b2c5b9356ceb2c0eca60d7684a8fc3872ba1e8c41c8015
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 895a3782a6b248bc3dd9455af7334d950271a4e926490831fbb3a7a114959a29
[INFO] running `Command { std: "docker" "start" "-a" "895a3782a6b248bc3dd9455af7334d950271a4e926490831fbb3a7a114959a29", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/plumbing-b0506df338676a53)
[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] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-0980d8d490e9e8f1)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test basic_test ... ok
[INFO] [stdout] test drop_test ... ok
[INFO] [stdout] test fake_db_test::test_fake_db ... ok
[INFO] [stdout] test test_dangling_tail ... ok
[INFO] [stdout] test ordering_test ... ok
[INFO] [stdout] test test_drain ... ok
[INFO] [stdout] test fake_db_test::test_fake_db_two_queries ... ok
[INFO] [stdout] test test_none_propagation ... ok
[INFO] [stdout] test test_owned_drop_chain ... 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] [stderr]    Doc-tests plumbing
[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 1.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "895a3782a6b248bc3dd9455af7334d950271a4e926490831fbb3a7a114959a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895a3782a6b248bc3dd9455af7334d950271a4e926490831fbb3a7a114959a29", kill_on_drop: false }`
[INFO] [stdout] 895a3782a6b248bc3dd9455af7334d950271a4e926490831fbb3a7a114959a29