[INFO] fetching crate observable 0.0.0...
[INFO] testing observable-0.0.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate observable 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate observable 0.0.0 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 crates.io crate observable 0.0.0
[INFO] finished tweaking crates.io crate observable 0.0.0
[INFO] tweaked toml for crates.io crate observable 0.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 3cf4ef9b2b1abe91deae4c2cad23a1578647f8788689351126002db5d13bf3e8
[INFO] running `Command { std: "docker" "start" "-a" "3cf4ef9b2b1abe91deae4c2cad23a1578647f8788689351126002db5d13bf3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cf4ef9b2b1abe91deae4c2cad23a1578647f8788689351126002db5d13bf3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf4ef9b2b1abe91deae4c2cad23a1578647f8788689351126002db5d13bf3e8", kill_on_drop: false }`
[INFO] [stdout] 3cf4ef9b2b1abe91deae4c2cad23a1578647f8788689351126002db5d13bf3e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 945d75ccb0cf49f81cb5b7fa4c212535cd87e972a4989348614f687bee943033
[INFO] running `Command { std: "docker" "start" "-a" "945d75ccb0cf49f81cb5b7fa4c212535cd87e972a4989348614f687bee943033", kill_on_drop: false }`
[INFO] [stderr]    Compiling observable v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "945d75ccb0cf49f81cb5b7fa4c212535cd87e972a4989348614f687bee943033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945d75ccb0cf49f81cb5b7fa4c212535cd87e972a4989348614f687bee943033", kill_on_drop: false }`
[INFO] [stdout] 945d75ccb0cf49f81cb5b7fa4c212535cd87e972a4989348614f687bee943033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 8437b0c9be3f8eb932f4ff1e02efd79b30ae51dca43f7df733b9e2c7737b138e
[INFO] running `Command { std: "docker" "start" "-a" "8437b0c9be3f8eb932f4ff1e02efd79b30ae51dca43f7df733b9e2c7737b138e", kill_on_drop: false }`
[INFO] [stderr]    Compiling observable v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "8437b0c9be3f8eb932f4ff1e02efd79b30ae51dca43f7df733b9e2c7737b138e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8437b0c9be3f8eb932f4ff1e02efd79b30ae51dca43f7df733b9e2c7737b138e", kill_on_drop: false }`
[INFO] [stdout] 8437b0c9be3f8eb932f4ff1e02efd79b30ae51dca43f7df733b9e2c7737b138e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] dba4bb1219c4693aef0efb0cf15ced36a0a7052addb9852f8bb6e2b8fd01b5e5
[INFO] running `Command { std: "docker" "start" "-a" "dba4bb1219c4693aef0efb0cf15ced36a0a7052addb9852f8bb6e2b8fd01b5e5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/observable-d4ce77e5a8d8b219)
[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" "dba4bb1219c4693aef0efb0cf15ced36a0a7052addb9852f8bb6e2b8fd01b5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba4bb1219c4693aef0efb0cf15ced36a0a7052addb9852f8bb6e2b8fd01b5e5", kill_on_drop: false }`
[INFO] [stdout] dba4bb1219c4693aef0efb0cf15ced36a0a7052addb9852f8bb6e2b8fd01b5e5