[INFO] fetching crate tower-worker 0.1.0...
[INFO] testing tower-worker-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate tower-worker 0.1.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate tower-worker 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-worker 0.1.0
[INFO] finished tweaking crates.io crate tower-worker 0.1.0
[INFO] tweaked toml for crates.io crate tower-worker 0.1.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a56b9d726340925fc2cfba14d06dff0993d6f5d93579eb2ed5d40dcfd9d098c2
[INFO] running `Command { std: "docker" "start" "-a" "a56b9d726340925fc2cfba14d06dff0993d6f5d93579eb2ed5d40dcfd9d098c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a56b9d726340925fc2cfba14d06dff0993d6f5d93579eb2ed5d40dcfd9d098c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56b9d726340925fc2cfba14d06dff0993d6f5d93579eb2ed5d40dcfd9d098c2", kill_on_drop: false }`
[INFO] [stdout] a56b9d726340925fc2cfba14d06dff0993d6f5d93579eb2ed5d40dcfd9d098c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 262d862d7188ba7dce725afde3bd4db0fe97f3d26a09d88889a77eb0f684b7fb
[INFO] running `Command { std: "docker" "start" "-a" "262d862d7188ba7dce725afde3bd4db0fe97f3d26a09d88889a77eb0f684b7fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tower-worker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.27s
[INFO] running `Command { std: "docker" "inspect" "262d862d7188ba7dce725afde3bd4db0fe97f3d26a09d88889a77eb0f684b7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "262d862d7188ba7dce725afde3bd4db0fe97f3d26a09d88889a77eb0f684b7fb", kill_on_drop: false }`
[INFO] [stdout] 262d862d7188ba7dce725afde3bd4db0fe97f3d26a09d88889a77eb0f684b7fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7db48c1c1fe96f37132b5d84966e225646a084fd991a028f44b9ae81758ba98f
[INFO] running `Command { std: "docker" "start" "-a" "7db48c1c1fe96f37132b5d84966e225646a084fd991a028f44b9ae81758ba98f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-worker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "7db48c1c1fe96f37132b5d84966e225646a084fd991a028f44b9ae81758ba98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db48c1c1fe96f37132b5d84966e225646a084fd991a028f44b9ae81758ba98f", kill_on_drop: false }`
[INFO] [stdout] 7db48c1c1fe96f37132b5d84966e225646a084fd991a028f44b9ae81758ba98f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 941a4a6c5ac5ee11548d16c37d879bdf22b78a2efcc1cab931b02992e7aff7e5
[INFO] running `Command { std: "docker" "start" "-a" "941a4a6c5ac5ee11548d16c37d879bdf22b78a2efcc1cab931b02992e7aff7e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tower_worker-54193d646e5a4d36)
[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]    Doc-tests tower-worker
[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" "941a4a6c5ac5ee11548d16c37d879bdf22b78a2efcc1cab931b02992e7aff7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941a4a6c5ac5ee11548d16c37d879bdf22b78a2efcc1cab931b02992e7aff7e5", kill_on_drop: false }`
[INFO] [stdout] 941a4a6c5ac5ee11548d16c37d879bdf22b78a2efcc1cab931b02992e7aff7e5