[INFO] fetching crate topo_sort 0.4.0...
[INFO] testing topo_sort-0.4.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate topo_sort 0.4.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate topo_sort 0.4.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate topo_sort 0.4.0
[INFO] finished tweaking crates.io crate topo_sort 0.4.0
[INFO] tweaked toml for crates.io crate topo_sort 0.4.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec5743d86f17b0c71ea31402fe56f4d99bac53b1a3b6060d53eb330832c82e42
[INFO] running `Command { std: "docker" "start" "-a" "ec5743d86f17b0c71ea31402fe56f4d99bac53b1a3b6060d53eb330832c82e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec5743d86f17b0c71ea31402fe56f4d99bac53b1a3b6060d53eb330832c82e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5743d86f17b0c71ea31402fe56f4d99bac53b1a3b6060d53eb330832c82e42", kill_on_drop: false }`
[INFO] [stdout] ec5743d86f17b0c71ea31402fe56f4d99bac53b1a3b6060d53eb330832c82e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3e3c5f2ea1473e47a980819f9a8cba39e6be5ea09928cdcff8d33828a3e00c8
[INFO] running `Command { std: "docker" "start" "-a" "c3e3c5f2ea1473e47a980819f9a8cba39e6be5ea09928cdcff8d33828a3e00c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling topo_sort v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "c3e3c5f2ea1473e47a980819f9a8cba39e6be5ea09928cdcff8d33828a3e00c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e3c5f2ea1473e47a980819f9a8cba39e6be5ea09928cdcff8d33828a3e00c8", kill_on_drop: false }`
[INFO] [stdout] c3e3c5f2ea1473e47a980819f9a8cba39e6be5ea09928cdcff8d33828a3e00c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eb4fa0f9b976fdd7cdcec4395fa9c6b31ffdda533cca10ad5acc03beb94c6d8
[INFO] running `Command { std: "docker" "start" "-a" "7eb4fa0f9b976fdd7cdcec4395fa9c6b31ffdda533cca10ad5acc03beb94c6d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling topo_sort v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "7eb4fa0f9b976fdd7cdcec4395fa9c6b31ffdda533cca10ad5acc03beb94c6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb4fa0f9b976fdd7cdcec4395fa9c6b31ffdda533cca10ad5acc03beb94c6d8", kill_on_drop: false }`
[INFO] [stdout] 7eb4fa0f9b976fdd7cdcec4395fa9c6b31ffdda533cca10ad5acc03beb94c6d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a10f5760cf6349982e19feba677a57352a514066dda0d7cb3aed662474127e04
[INFO] running `Command { std: "docker" "start" "-a" "a10f5760cf6349982e19feba677a57352a514066dda0d7cb3aed662474127e04", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/topo_sort-a3bfe7f9a0377f6d)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_direct_cycle ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_misc ... ok
[INFO] [stdout] test tests::test_into_iter ... ok
[INFO] [stdout] test tests::test_indirect_cycle ... ok
[INFO] [stdout] test tests::test_termination ... ok
[INFO] [stdout] test tests::test_with_excess_depends ... ok
[INFO] [stdout] test tests::test_with_no_depends ... ok
[INFO] [stdout] test tests::test_typical ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests topo_sort
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a10f5760cf6349982e19feba677a57352a514066dda0d7cb3aed662474127e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10f5760cf6349982e19feba677a57352a514066dda0d7cb3aed662474127e04", kill_on_drop: false }`
[INFO] [stdout] a10f5760cf6349982e19feba677a57352a514066dda0d7cb3aed662474127e04