[INFO] fetching crate tower-discover 0.3.0...
[INFO] testing tower-discover-0.3.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate tower-discover 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tower-discover 0.3.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-discover 0.3.0
[INFO] finished tweaking crates.io crate tower-discover 0.3.0
[INFO] tweaked toml for crates.io crate tower-discover 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eca9b816a6605483da226252dc2d8769ddf5eae24c227253ccac6ff3a3cfbb34
[INFO] running `Command { std: "docker" "start" "-a" "eca9b816a6605483da226252dc2d8769ddf5eae24c227253ccac6ff3a3cfbb34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eca9b816a6605483da226252dc2d8769ddf5eae24c227253ccac6ff3a3cfbb34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca9b816a6605483da226252dc2d8769ddf5eae24c227253ccac6ff3a3cfbb34", kill_on_drop: false }`
[INFO] [stdout] eca9b816a6605483da226252dc2d8769ddf5eae24c227253ccac6ff3a3cfbb34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 112da36bf088a9413e13c3073869cf2e74035275a5afb884dcbd22cd98116525
[INFO] running `Command { std: "docker" "start" "-a" "112da36bf088a9413e13c3073869cf2e74035275a5afb884dcbd22cd98116525", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling pin-project v0.4.28
[INFO] [stderr]    Compiling tower-discover v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.95s
[INFO] running `Command { std: "docker" "inspect" "112da36bf088a9413e13c3073869cf2e74035275a5afb884dcbd22cd98116525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "112da36bf088a9413e13c3073869cf2e74035275a5afb884dcbd22cd98116525", kill_on_drop: false }`
[INFO] [stdout] 112da36bf088a9413e13c3073869cf2e74035275a5afb884dcbd22cd98116525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1244b0469a10c998e58543e90b3bdbfa317cf4d034b37528c84511cf86ef34cc
[INFO] running `Command { std: "docker" "start" "-a" "1244b0469a10c998e58543e90b3bdbfa317cf4d034b37528c84511cf86ef34cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-discover v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "1244b0469a10c998e58543e90b3bdbfa317cf4d034b37528c84511cf86ef34cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1244b0469a10c998e58543e90b3bdbfa317cf4d034b37528c84511cf86ef34cc", kill_on_drop: false }`
[INFO] [stdout] 1244b0469a10c998e58543e90b3bdbfa317cf4d034b37528c84511cf86ef34cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 654c0ab2ee66a0794be7708db105abd7cbc2264f5b520e0266f22ae147dd4835
[INFO] running `Command { std: "docker" "start" "-a" "654c0ab2ee66a0794be7708db105abd7cbc2264f5b520e0266f22ae147dd4835", 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/tower_discover-6e48bf1751f1e86e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-discover
[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" "654c0ab2ee66a0794be7708db105abd7cbc2264f5b520e0266f22ae147dd4835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654c0ab2ee66a0794be7708db105abd7cbc2264f5b520e0266f22ae147dd4835", kill_on_drop: false }`
[INFO] [stdout] 654c0ab2ee66a0794be7708db105abd7cbc2264f5b520e0266f22ae147dd4835