[INFO] cloning repository https://github.com/darshimo/copl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darshimo/copl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarshimo%2Fcopl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarshimo%2Fcopl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 132cbd1cd21dfe6ecbfd29c14d923d77bcf81fba
[INFO] testing darshimo/copl against try#d5830e3d3b571fe52cdf4b7b34be99be74dc65ea+target=i686-unknown-linux-musl for musl_1_2_upgrade_i686_unknown_linux_musl
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarshimo%2Fcopl" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/darshimo/copl on toolchain d5830e3d3b571fe52cdf4b7b34be99be74dc65ea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/darshimo/copl
[INFO] finished tweaking git repo https://github.com/darshimo/copl
[INFO] tweaked toml for git repo https://github.com/darshimo/copl written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lr_parser v0.1.2
[INFO] [stderr]   Downloaded ruly2 v0.1.7
[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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac91cc3f9bedee8e8bda35fc0b8fee05d1409a79037d2ef8fb52d74624bc7bc3
[INFO] running `Command { std: "docker" "start" "-a" "ac91cc3f9bedee8e8bda35fc0b8fee05d1409a79037d2ef8fb52d74624bc7bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac91cc3f9bedee8e8bda35fc0b8fee05d1409a79037d2ef8fb52d74624bc7bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac91cc3f9bedee8e8bda35fc0b8fee05d1409a79037d2ef8fb52d74624bc7bc3", kill_on_drop: false }`
[INFO] [stdout] ac91cc3f9bedee8e8bda35fc0b8fee05d1409a79037d2ef8fb52d74624bc7bc3
[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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 83334e2949f1036fef26818731ab7ead83c730fdf329c210c7137b2dfdcf132d
[INFO] running `Command { std: "docker" "start" "-a" "83334e2949f1036fef26818731ab7ead83c730fdf329c210c7137b2dfdcf132d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling lr_parser v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling ruly2 v0.1.7
[INFO] [stderr]    Compiling copl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]  --> src/common.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut ret = 0;
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `copl`; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name copl --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=779fa2a6563b7a54 -C extra-filename=-779fa2a6563b7a54 --out-dir /opt/rustwide/target/i686-unknown-linux-musl/debug/deps --target i686-unknown-linux-musl -L dependency=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ruly2=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libruly2-3e191499f6079df0.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "83334e2949f1036fef26818731ab7ead83c730fdf329c210c7137b2dfdcf132d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83334e2949f1036fef26818731ab7ead83c730fdf329c210c7137b2dfdcf132d", kill_on_drop: false }`
[INFO] [stdout] 83334e2949f1036fef26818731ab7ead83c730fdf329c210c7137b2dfdcf132d