[INFO] fetching crate cycle-to-nth 1.0.0...
[INFO] testing cycle-to-nth-1.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate cycle-to-nth 1.0.0 into /workspace/builds/worker-7-tc1/source
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cycle-to-nth 1.0.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f487ed1284a8560bb354f28551021bf6eda84dd541cff6a31a008c7cd71f9ba9
[INFO] running `Command { std: "docker" "start" "-a" "f487ed1284a8560bb354f28551021bf6eda84dd541cff6a31a008c7cd71f9ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f487ed1284a8560bb354f28551021bf6eda84dd541cff6a31a008c7cd71f9ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f487ed1284a8560bb354f28551021bf6eda84dd541cff6a31a008c7cd71f9ba9", kill_on_drop: false }`
[INFO] [stdout] f487ed1284a8560bb354f28551021bf6eda84dd541cff6a31a008c7cd71f9ba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2b73130b423df698b46a1f3e320d446887ff3d44f8439b3243efef9b7f7b7eb8
[INFO] running `Command { std: "docker" "start" "-a" "2b73130b423df698b46a1f3e320d446887ff3d44f8439b3243efef9b7f7b7eb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cycle-to-nth v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "2b73130b423df698b46a1f3e320d446887ff3d44f8439b3243efef9b7f7b7eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b73130b423df698b46a1f3e320d446887ff3d44f8439b3243efef9b7f7b7eb8", kill_on_drop: false }`
[INFO] [stdout] 2b73130b423df698b46a1f3e320d446887ff3d44f8439b3243efef9b7f7b7eb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a1f825a854236517d81d692f541ff932abc4117ed9d13509ed4fd26cffe5fed0
[INFO] running `Command { std: "docker" "start" "-a" "a1f825a854236517d81d692f541ff932abc4117ed9d13509ed4fd26cffe5fed0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cycle-to-nth v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "a1f825a854236517d81d692f541ff932abc4117ed9d13509ed4fd26cffe5fed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f825a854236517d81d692f541ff932abc4117ed9d13509ed4fd26cffe5fed0", kill_on_drop: false }`
[INFO] [stdout] a1f825a854236517d81d692f541ff932abc4117ed9d13509ed4fd26cffe5fed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] dcfa755bbc60723be45067a09dba06f206bde0edf505041d502b3f2e3a16fa42
[INFO] running `Command { std: "docker" "start" "-a" "dcfa755bbc60723be45067a09dba06f206bde0edf505041d502b3f2e3a16fa42", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/cycle_to_nth-ad4451caa36c8610)
[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] running `Command { std: "docker" "inspect" "dcfa755bbc60723be45067a09dba06f206bde0edf505041d502b3f2e3a16fa42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfa755bbc60723be45067a09dba06f206bde0edf505041d502b3f2e3a16fa42", kill_on_drop: false }`
[INFO] [stdout] dcfa755bbc60723be45067a09dba06f206bde0edf505041d502b3f2e3a16fa42