[INFO] fetching crate topological-sort 0.1.0...
[INFO] testing topological-sort-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate topological-sort 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate topological-sort 0.1.0 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 topological-sort 0.1.0
[INFO] finished tweaking crates.io crate topological-sort 0.1.0
[INFO] tweaked toml for crates.io crate topological-sort 0.1.0 written to /workspace/builds/worker-14/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 82ef38922a5c09b0c0528a060640300a6c4796a8943e821a28fe1fcda4f1e8db
[INFO] running `Command { std: "docker" "start" "-a" "82ef38922a5c09b0c0528a060640300a6c4796a8943e821a28fe1fcda4f1e8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82ef38922a5c09b0c0528a060640300a6c4796a8943e821a28fe1fcda4f1e8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ef38922a5c09b0c0528a060640300a6c4796a8943e821a28fe1fcda4f1e8db", kill_on_drop: false }`
[INFO] [stdout] 82ef38922a5c09b0c0528a060640300a6c4796a8943e821a28fe1fcda4f1e8db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c446e5d081b3bca053b3d9554f58fb3525dfe8c268e15c77b1854d4b38b6a47a
[INFO] running `Command { std: "docker" "start" "-a" "c446e5d081b3bca053b3d9554f58fb3525dfe8c268e15c77b1854d4b38b6a47a", kill_on_drop: false }`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c446e5d081b3bca053b3d9554f58fb3525dfe8c268e15c77b1854d4b38b6a47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c446e5d081b3bca053b3d9554f58fb3525dfe8c268e15c77b1854d4b38b6a47a", kill_on_drop: false }`
[INFO] [stdout] c446e5d081b3bca053b3d9554f58fb3525dfe8c268e15c77b1854d4b38b6a47a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] d933b0beff87a31443abd34b64f2d0253d5b2fb7ea16536a6b4f3a5766a4755c
[INFO] running `Command { std: "docker" "start" "-a" "d933b0beff87a31443abd34b64f2d0253d5b2fb7ea16536a6b4f3a5766a4755c", kill_on_drop: false }`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "d933b0beff87a31443abd34b64f2d0253d5b2fb7ea16536a6b4f3a5766a4755c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d933b0beff87a31443abd34b64f2d0253d5b2fb7ea16536a6b4f3a5766a4755c", kill_on_drop: false }`
[INFO] [stdout] d933b0beff87a31443abd34b64f2d0253d5b2fb7ea16536a6b4f3a5766a4755c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3b8d6c1aa0fc0a14d4989e391d0f4a9ad4333176b28ce44c53ee4521b7f548e4
[INFO] running `Command { std: "docker" "start" "-a" "3b8d6c1aa0fc0a14d4989e391d0f4a9ad4333176b28ce44c53ee4521b7f548e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/topological_sort-33d544ffd470d448)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::cyclic_deadlock ... ok
[INFO] [stdout] test test::from_iter ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::pop_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests topological-sort
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::new (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b8d6c1aa0fc0a14d4989e391d0f4a9ad4333176b28ce44c53ee4521b7f548e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8d6c1aa0fc0a14d4989e391d0f4a9ad4333176b28ce44c53ee4521b7f548e4", kill_on_drop: false }`
[INFO] [stdout] 3b8d6c1aa0fc0a14d4989e391d0f4a9ad4333176b28ce44c53ee4521b7f548e4