[INFO] fetching crate unique_port 0.1.1...
[INFO] testing unique_port-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate unique_port 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate unique_port 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unique_port 0.1.1
[INFO] finished tweaking crates.io crate unique_port 0.1.1
[INFO] tweaked toml for crates.io crate unique_port 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcfd4d1daa8117935a1ad9061b00922a32cdcef0fbdda565204c25a7fa775c54
[INFO] running `Command { std: "docker" "start" "-a" "bcfd4d1daa8117935a1ad9061b00922a32cdcef0fbdda565204c25a7fa775c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcfd4d1daa8117935a1ad9061b00922a32cdcef0fbdda565204c25a7fa775c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfd4d1daa8117935a1ad9061b00922a32cdcef0fbdda565204c25a7fa775c54", kill_on_drop: false }`
[INFO] [stdout] bcfd4d1daa8117935a1ad9061b00922a32cdcef0fbdda565204c25a7fa775c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79f3f0dd50776f9db6ef9dd150b4b37e1472ec3d76bc15a7ca072483ce9c4bef
[INFO] running `Command { std: "docker" "start" "-a" "79f3f0dd50776f9db6ef9dd150b4b37e1472ec3d76bc15a7ca072483ce9c4bef", kill_on_drop: false }`
[INFO] [stderr]    Compiling unique_port v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "79f3f0dd50776f9db6ef9dd150b4b37e1472ec3d76bc15a7ca072483ce9c4bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f3f0dd50776f9db6ef9dd150b4b37e1472ec3d76bc15a7ca072483ce9c4bef", kill_on_drop: false }`
[INFO] [stdout] 79f3f0dd50776f9db6ef9dd150b4b37e1472ec3d76bc15a7ca072483ce9c4bef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e17c264449a6b807a39ab48fd67c2db9bc106d0d697a1d4917b7ee1a3b53dec1
[INFO] running `Command { std: "docker" "start" "-a" "e17c264449a6b807a39ab48fd67c2db9bc106d0d697a1d4917b7ee1a3b53dec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unique_port v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "e17c264449a6b807a39ab48fd67c2db9bc106d0d697a1d4917b7ee1a3b53dec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17c264449a6b807a39ab48fd67c2db9bc106d0d697a1d4917b7ee1a3b53dec1", kill_on_drop: false }`
[INFO] [stdout] e17c264449a6b807a39ab48fd67c2db9bc106d0d697a1d4917b7ee1a3b53dec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4931cd4083eacf65d8907692b02f60a681bd2f984a7dbf4c307425c8ed8db747
[INFO] running `Command { std: "docker" "start" "-a" "4931cd4083eacf65d8907692b02f60a681bd2f984a7dbf4c307425c8ed8db747", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unique_port-ed387903dd5d6971)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unique_port
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - get_unique_free_port (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4931cd4083eacf65d8907692b02f60a681bd2f984a7dbf4c307425c8ed8db747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4931cd4083eacf65d8907692b02f60a681bd2f984a7dbf4c307425c8ed8db747", kill_on_drop: false }`
[INFO] [stdout] 4931cd4083eacf65d8907692b02f60a681bd2f984a7dbf4c307425c8ed8db747