[INFO] cloning repository https://github.com/nilclass/jumperless-oxide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilclass/jumperless-oxide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilclass%2Fjumperless-oxide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilclass%2Fjumperless-oxide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9accd9b27a37f85ac02ea9a92110b41a5515d003
[INFO] checking nilclass/jumperless-oxide against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilclass%2Fjumperless-oxide" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilclass/jumperless-oxide on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nilclass/jumperless-oxide
[INFO] finished tweaking git repo https://github.com/nilclass/jumperless-oxide
[INFO] tweaked toml for git repo https://github.com/nilclass/jumperless-oxide written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nilclass/jumperless-oxide 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/nilclass/jlctl`
[INFO] [stderr]     Updating git submodule `https://github.com/nilclass/jumperlab`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/nilclass/serialport-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tzdb v0.6.1
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[INFO] [stderr]   Downloaded rusb v0.9.3
[INFO] [stderr]   Downloaded is_debug v1.0.1
[INFO] [stderr]   Downloaded shadow-rs v0.25.0
[INFO] [stderr]   Downloaded tz-rs v0.6.14
[INFO] [stderr]   Downloaded tzdb_data v0.1.2
[INFO] [stderr]   Downloaded libusb1-sys v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f591ffb5bd2343f4b04fd63f56437affccee30af022c43ea01f4daa703eeb354
[INFO] running `Command { std: "docker" "start" "-a" "f591ffb5bd2343f4b04fd63f56437affccee30af022c43ea01f4daa703eeb354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f591ffb5bd2343f4b04fd63f56437affccee30af022c43ea01f4daa703eeb354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f591ffb5bd2343f4b04fd63f56437affccee30af022c43ea01f4daa703eeb354", kill_on_drop: false }`
[INFO] [stdout] f591ffb5bd2343f4b04fd63f56437affccee30af022c43ea01f4daa703eeb354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ddbc7ad3d3f51ff91882fbac275c891bd447d0aec691565a0c6e3534883d803
[INFO] running `Command { std: "docker" "start" "-a" "3ddbc7ad3d3f51ff91882fbac275c891bd447d0aec691565a0c6e3534883d803", kill_on_drop: false }`
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[INFO] [stderr]     Checking serialport v4.3.1-alpha.0 (https://github.com/nilclass/serialport-rs?branch=try-windows-fix#b064fa93)
[INFO] [stderr]    Compiling strum_macros v0.26.1
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[INFO] [stderr]     Checking actix-cors v0.6.5
[INFO] [stderr]    Compiling jlctl v0.1.0-rc1 (https://github.com/nilclass/jlctl#435a9835)
[INFO] [stderr]     Checking jumperless-oxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Netlist` is never constructed
[INFO] [stdout]    --> src/matrix_state.rs:333:8
[INFO] [stdout]     |
[INFO] [stdout] 333 | struct Netlist(Vec<(i8, Vec<Node>)>);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Netlist` is never constructed
[INFO] [stdout]    --> src/matrix_state.rs:333:8
[INFO] [stdout]     |
[INFO] [stdout] 333 | struct Netlist(Vec<(i8, Vec<Node>)>);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 44s
[INFO] running `Command { std: "docker" "inspect" "3ddbc7ad3d3f51ff91882fbac275c891bd447d0aec691565a0c6e3534883d803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ddbc7ad3d3f51ff91882fbac275c891bd447d0aec691565a0c6e3534883d803", kill_on_drop: false }`
[INFO] [stdout] 3ddbc7ad3d3f51ff91882fbac275c891bd447d0aec691565a0c6e3534883d803