[INFO] fetching crate roman-numerals-rs 3.1.0...
[INFO] testing roman-numerals-rs-3.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate roman-numerals-rs 3.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate roman-numerals-rs 3.1.0
[INFO] finished tweaking crates.io crate roman-numerals-rs 3.1.0
[INFO] tweaked toml for crates.io crate roman-numerals-rs 3.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate roman-numerals-rs 3.1.0 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] crate crates.io crate roman-numerals-rs 3.1.0 already has a lockfile, it will not be regenerated
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 00e2db01a955d483f2c274c3207402c3ffea2b42ae60889a992cfee584f6638d
[INFO] running `Command { std: "docker" "start" "-a" "00e2db01a955d483f2c274c3207402c3ffea2b42ae60889a992cfee584f6638d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e2db01a955d483f2c274c3207402c3ffea2b42ae60889a992cfee584f6638d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e2db01a955d483f2c274c3207402c3ffea2b42ae60889a992cfee584f6638d", kill_on_drop: false }`
[INFO] [stdout] 00e2db01a955d483f2c274c3207402c3ffea2b42ae60889a992cfee584f6638d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7219108f36de80bd945d307b3e71170b4d26f4b9a4825f2bac6821b42f0393cb
[INFO] running `Command { std: "docker" "start" "-a" "7219108f36de80bd945d307b3e71170b4d26f4b9a4825f2bac6821b42f0393cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman-numerals-rs v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "7219108f36de80bd945d307b3e71170b4d26f4b9a4825f2bac6821b42f0393cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7219108f36de80bd945d307b3e71170b4d26f4b9a4825f2bac6821b42f0393cb", kill_on_drop: false }`
[INFO] [stdout] 7219108f36de80bd945d307b3e71170b4d26f4b9a4825f2bac6821b42f0393cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2b8fb50be14ab23806418fa0f9a2942412c2fd8af5b329c655a693520e63aae3
[INFO] running `Command { std: "docker" "start" "-a" "2b8fb50be14ab23806418fa0f9a2942412c2fd8af5b329c655a693520e63aae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman-numerals-rs v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "2b8fb50be14ab23806418fa0f9a2942412c2fd8af5b329c655a693520e63aae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8fb50be14ab23806418fa0f9a2942412c2fd8af5b329c655a693520e63aae3", kill_on_drop: false }`
[INFO] [stdout] 2b8fb50be14ab23806418fa0f9a2942412c2fd8af5b329c655a693520e63aae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 85fb6a5985bd0458a3d565b76c6f438c109493b5bcdbda63087a1618c7e99260
[INFO] running `Command { std: "docker" "start" "-a" "85fb6a5985bd0458a3d565b76c6f438c109493b5bcdbda63087a1618c7e99260", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/roman_numerals_rs-30b990a66c1b0662)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::test_roman_numeral_new ... ok
[INFO] [stdout] test test::test_roman_numeral_parse_string ... ok
[INFO] [stdout] test test::test_roman_numeral_to_string ... ok
[INFO] [stdout] test test::test_try_from_one ... ok
[INFO] [stdout] test test::test_roman_numeral_round_trip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85fb6a5985bd0458a3d565b76c6f438c109493b5bcdbda63087a1618c7e99260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fb6a5985bd0458a3d565b76c6f438c109493b5bcdbda63087a1618c7e99260", kill_on_drop: false }`
[INFO] [stdout] 85fb6a5985bd0458a3d565b76c6f438c109493b5bcdbda63087a1618c7e99260