[INFO] fetching crate topological-sort 0.1.0...
[INFO] testing topological-sort-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate topological-sort 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate topological-sort 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a49602c7f67ac83e44e7300b46c145e32efe5395cd4ff32b77ce0391d95dccf
[INFO] running `Command { std: "docker" "start" "-a" "5a49602c7f67ac83e44e7300b46c145e32efe5395cd4ff32b77ce0391d95dccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a49602c7f67ac83e44e7300b46c145e32efe5395cd4ff32b77ce0391d95dccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a49602c7f67ac83e44e7300b46c145e32efe5395cd4ff32b77ce0391d95dccf", kill_on_drop: false }`
[INFO] [stdout] 5a49602c7f67ac83e44e7300b46c145e32efe5395cd4ff32b77ce0391d95dccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e472627ad90bc637ff64a67e4ec364c5fcb8c83c145ca6c432388d5289aff42
[INFO] running `Command { std: "docker" "start" "-a" "9e472627ad90bc637ff64a67e4ec364c5fcb8c83c145ca6c432388d5289aff42", kill_on_drop: false }`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "9e472627ad90bc637ff64a67e4ec364c5fcb8c83c145ca6c432388d5289aff42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e472627ad90bc637ff64a67e4ec364c5fcb8c83c145ca6c432388d5289aff42", kill_on_drop: false }`
[INFO] [stdout] 9e472627ad90bc637ff64a67e4ec364c5fcb8c83c145ca6c432388d5289aff42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea93764519eaa5fbf8ce82a6e215449ad4f12974313007a2e4494559e4541e89
[INFO] running `Command { std: "docker" "start" "-a" "ea93764519eaa5fbf8ce82a6e215449ad4f12974313007a2e4494559e4541e89", kill_on_drop: false }`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/topological_sort-7262c6c64e9c24f2)
[INFO] running `Command { std: "docker" "inspect" "ea93764519eaa5fbf8ce82a6e215449ad4f12974313007a2e4494559e4541e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea93764519eaa5fbf8ce82a6e215449ad4f12974313007a2e4494559e4541e89", kill_on_drop: false }`
[INFO] [stdout] ea93764519eaa5fbf8ce82a6e215449ad4f12974313007a2e4494559e4541e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1eb91f0acc058a6a33be9bb155541d6ac1e325c3de127c962858ce751968106f
[INFO] running `Command { std: "docker" "start" "-a" "1eb91f0acc058a6a33be9bb155541d6ac1e325c3de127c962858ce751968106f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/topological_sort-7262c6c64e9c24f2)
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests topological-sort
[INFO] [stdout] test test::cyclic_deadlock ... ok
[INFO] [stdout] test test::pop_all ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::from_iter ... 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] [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 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1eb91f0acc058a6a33be9bb155541d6ac1e325c3de127c962858ce751968106f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb91f0acc058a6a33be9bb155541d6ac1e325c3de127c962858ce751968106f", kill_on_drop: false }`
[INFO] [stdout] 1eb91f0acc058a6a33be9bb155541d6ac1e325c3de127c962858ce751968106f