[INFO] cloning repository https://github.com/cybermatt/fast-luhn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cybermatt/fast-luhn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcybermatt%2Ffast-luhn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcybermatt%2Ffast-luhn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39f9395960c3176672290965160264d009bc378b
[INFO] testing cybermatt/fast-luhn against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcybermatt%2Ffast-luhn" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cybermatt/fast-luhn
[INFO] finished tweaking git repo https://github.com/cybermatt/fast-luhn
[INFO] tweaked toml for git repo https://github.com/cybermatt/fast-luhn written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cybermatt/fast-luhn 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 git repo https://github.com/cybermatt/fast-luhn 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded paste-impl v0.1.18
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded pyo3cls v0.12.4
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.12.4
[INFO] [stderr]   Downloaded inventory-impl v0.1.10
[INFO] [stderr]   Downloaded paste v0.1.18
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded inventory v0.1.10
[INFO] [stderr]   Downloaded parking_lot_core v0.8.1
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded ctor v0.1.16
[INFO] [stderr]   Downloaded ghost v0.1.2
[INFO] [stderr]   Downloaded rand_jitter v0.1.3
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded pyo3 v0.12.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8c259c818f6c16c562a2b79b67b2e8a3a42b865ea99f4e310c65c9b46b927b7b
[INFO] running `Command { std: "docker" "start" "-a" "8c259c818f6c16c562a2b79b67b2e8a3a42b865ea99f4e310c65c9b46b927b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c259c818f6c16c562a2b79b67b2e8a3a42b865ea99f4e310c65c9b46b927b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c259c818f6c16c562a2b79b67b2e8a3a42b865ea99f4e310c65c9b46b927b7b", kill_on_drop: false }`
[INFO] [stdout] 8c259c818f6c16c562a2b79b67b2e8a3a42b865ea99f4e310c65c9b46b927b7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 68f5ddf2575d05024ec1bb52386a0017bf8cfb423079ee8866b49149fdf2a34c
[INFO] running `Command { std: "docker" "start" "-a" "68f5ddf2575d05024ec1bb52386a0017bf8cfb423079ee8866b49149fdf2a34c", kill_on_drop: false }`
[INFO] [stderr] error: cannot produce cdylib for `fast_luhn v0.1.5 (/opt/rustwide/workdir)` as the target `x86_64-unknown-linux-musl` does not support these crate types
[INFO] running `Command { std: "docker" "inspect" "68f5ddf2575d05024ec1bb52386a0017bf8cfb423079ee8866b49149fdf2a34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f5ddf2575d05024ec1bb52386a0017bf8cfb423079ee8866b49149fdf2a34c", kill_on_drop: false }`
[INFO] [stdout] 68f5ddf2575d05024ec1bb52386a0017bf8cfb423079ee8866b49149fdf2a34c