[INFO] fetching crate cycle-to-nth 1.0.0...
[INFO] testing cycle-to-nth-1.0.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate cycle-to-nth 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cycle-to-nth 1.0.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cycle-to-nth 1.0.0
[INFO] finished tweaking crates.io crate cycle-to-nth 1.0.0
[INFO] tweaked toml for crates.io crate cycle-to-nth 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4a54eaa9d21db5b4c160a7ac796f22cd2698182b3ecf7d655f6329f9bd7a3a9
[INFO] running `Command { std: "docker" "start" "-a" "c4a54eaa9d21db5b4c160a7ac796f22cd2698182b3ecf7d655f6329f9bd7a3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4a54eaa9d21db5b4c160a7ac796f22cd2698182b3ecf7d655f6329f9bd7a3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a54eaa9d21db5b4c160a7ac796f22cd2698182b3ecf7d655f6329f9bd7a3a9", kill_on_drop: false }`
[INFO] [stdout] c4a54eaa9d21db5b4c160a7ac796f22cd2698182b3ecf7d655f6329f9bd7a3a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf57cfafd6a71b10efadb0708962aa3db54d098cb494df29dd01d367e5a3a0b2
[INFO] running `Command { std: "docker" "start" "-a" "cf57cfafd6a71b10efadb0708962aa3db54d098cb494df29dd01d367e5a3a0b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cycle-to-nth v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "cf57cfafd6a71b10efadb0708962aa3db54d098cb494df29dd01d367e5a3a0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf57cfafd6a71b10efadb0708962aa3db54d098cb494df29dd01d367e5a3a0b2", kill_on_drop: false }`
[INFO] [stdout] cf57cfafd6a71b10efadb0708962aa3db54d098cb494df29dd01d367e5a3a0b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c090109490f20dbf1eb433c83c78a6c04881c5f05e0ca61d6a933798800f523b
[INFO] running `Command { std: "docker" "start" "-a" "c090109490f20dbf1eb433c83c78a6c04881c5f05e0ca61d6a933798800f523b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cycle-to-nth v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "c090109490f20dbf1eb433c83c78a6c04881c5f05e0ca61d6a933798800f523b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c090109490f20dbf1eb433c83c78a6c04881c5f05e0ca61d6a933798800f523b", kill_on_drop: false }`
[INFO] [stdout] c090109490f20dbf1eb433c83c78a6c04881c5f05e0ca61d6a933798800f523b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c57713232c81974bb1881691b56c0ffad07b729ab6e8c18d0952a7f49129e1a7
[INFO] running `Command { std: "docker" "start" "-a" "c57713232c81974bb1881691b56c0ffad07b729ab6e8c18d0952a7f49129e1a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cycle_to_nth-666c7b32b81cfafb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::extend_with_cycles ... ok
[INFO] [stdout] test test::truncate_to_nth ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cycle-to-nth
[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" "c57713232c81974bb1881691b56c0ffad07b729ab6e8c18d0952a7f49129e1a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57713232c81974bb1881691b56c0ffad07b729ab6e8c18d0952a7f49129e1a7", kill_on_drop: false }`
[INFO] [stdout] c57713232c81974bb1881691b56c0ffad07b729ab6e8c18d0952a7f49129e1a7