[INFO] fetching crate gctree 0.4.0...
[INFO] testing gctree-0.4.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate gctree 0.4.0 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate gctree 0.4.0 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 gctree 0.4.0
[INFO] finished tweaking crates.io crate gctree 0.4.0
[INFO] tweaked toml for crates.io crate gctree 0.4.0 written to /workspace/builds/worker-100/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 deltoid v0.11.3
[INFO] [stderr]   Downloaded deltoid-derive v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] dc8310224c11971c38af3e59bb2ef0d86ea0f115fd9f2e4c567d3ce0c8698430
[INFO] running `Command { std: "docker" "start" "-a" "dc8310224c11971c38af3e59bb2ef0d86ea0f115fd9f2e4c567d3ce0c8698430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc8310224c11971c38af3e59bb2ef0d86ea0f115fd9f2e4c567d3ce0c8698430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8310224c11971c38af3e59bb2ef0d86ea0f115fd9f2e4c567d3ce0c8698430", kill_on_drop: false }`
[INFO] [stdout] dc8310224c11971c38af3e59bb2ef0d86ea0f115fd9f2e4c567d3ce0c8698430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 5d9fa6d04a02f27581f064af8a1d7d10dc463b971ad228e0a1bdaef6bad6ae0b
[INFO] running `Command { std: "docker" "start" "-a" "5d9fa6d04a02f27581f064af8a1d7d10dc463b971ad228e0a1bdaef6bad6ae0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling deltoid v0.11.3
[INFO] [stderr]    Compiling deltoid-derive v0.11.1
[INFO] [stderr]    Compiling gctree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.83s
[INFO] running `Command { std: "docker" "inspect" "5d9fa6d04a02f27581f064af8a1d7d10dc463b971ad228e0a1bdaef6bad6ae0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9fa6d04a02f27581f064af8a1d7d10dc463b971ad228e0a1bdaef6bad6ae0b", kill_on_drop: false }`
[INFO] [stdout] 5d9fa6d04a02f27581f064af8a1d7d10dc463b971ad228e0a1bdaef6bad6ae0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 408df83b14949070ec65b359c494978e3a5614910be48e54d7d39e692a673657
[INFO] running `Command { std: "docker" "start" "-a" "408df83b14949070ec65b359c494978e3a5614910be48e54d7d39e692a673657", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gctree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "408df83b14949070ec65b359c494978e3a5614910be48e54d7d39e692a673657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408df83b14949070ec65b359c494978e3a5614910be48e54d7d39e692a673657", kill_on_drop: false }`
[INFO] [stdout] 408df83b14949070ec65b359c494978e3a5614910be48e54d7d39e692a673657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 052bbbf0d113da427e344100f2ba8393a1f404d6945829ee8c7ce3a8a7db5851
[INFO] running `Command { std: "docker" "start" "-a" "052bbbf0d113da427e344100f2ba8393a1f404d6945829ee8c7ce3a8a7db5851", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gctree-878b213840020d2f)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::bfs_traversal ... ok
[INFO] [stdout] test tests::ancestors ... ok
[INFO] [stdout] test tests::add_subtree ... ok
[INFO] [stdout] test tests::dfs_traversal ... ok
[INFO] [stdout] test tests::remove_subtree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gctree
[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" "052bbbf0d113da427e344100f2ba8393a1f404d6945829ee8c7ce3a8a7db5851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052bbbf0d113da427e344100f2ba8393a1f404d6945829ee8c7ce3a8a7db5851", kill_on_drop: false }`
[INFO] [stdout] 052bbbf0d113da427e344100f2ba8393a1f404d6945829ee8c7ce3a8a7db5851