[INFO] cloning repository https://github.com/mlahlal/habitscore-md
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlahlal/habitscore-md" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlahlal%2Fhabitscore-md", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlahlal%2Fhabitscore-md'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd77625acfd2e38faf16520c7002241209009ad3
[INFO] checking mlahlal/habitscore-md against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlahlal%2Fhabitscore-md" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mlahlal/habitscore-md
[INFO] finished tweaking git repo https://github.com/mlahlal/habitscore-md
[INFO] tweaked toml for git repo https://github.com/mlahlal/habitscore-md written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mlahlal/habitscore-md on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mlahlal/habitscore-md 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b54c3e1c532c604a536a1fb500a2b6a3ca831a664dc54478e2eacf60b277e334
[INFO] running `Command { std: "docker" "start" "-a" "b54c3e1c532c604a536a1fb500a2b6a3ca831a664dc54478e2eacf60b277e334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b54c3e1c532c604a536a1fb500a2b6a3ca831a664dc54478e2eacf60b277e334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54c3e1c532c604a536a1fb500a2b6a3ca831a664dc54478e2eacf60b277e334", kill_on_drop: false }`
[INFO] [stdout] b54c3e1c532c604a536a1fb500a2b6a3ca831a664dc54478e2eacf60b277e334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fb2befb902942421b8a16ebff8eaff10ea47511f686fb39bd8076ca9d6567b7
[INFO] running `Command { std: "docker" "start" "-a" "9fb2befb902942421b8a16ebff8eaff10ea47511f686fb39bd8076ca9d6567b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking libloading v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.2.13
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]     Checking miniz_oxide v0.8.3
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling font-kit v0.14.2
[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling pathfinder_simd v0.5.4
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr]     Checking plotters-bitmap v0.3.7
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking gumdrop v0.8.1
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]     Checking habitscore-md v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `UnknownError` is never constructed
[INFO] [stdout]  --> src/errors.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Errcode {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     UnknownError(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/cli.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Options)]
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the derive macro `Options` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `habitscore-md` (bin "habitscore-md" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant `UnknownError` is never constructed
[INFO] [stdout]  --> src/errors.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Errcode {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     UnknownError(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/cli.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Options)]
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the derive macro `Options` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `habitscore-md` (bin "habitscore-md") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9fb2befb902942421b8a16ebff8eaff10ea47511f686fb39bd8076ca9d6567b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb2befb902942421b8a16ebff8eaff10ea47511f686fb39bd8076ca9d6567b7", kill_on_drop: false }`
[INFO] [stdout] 9fb2befb902942421b8a16ebff8eaff10ea47511f686fb39bd8076ca9d6567b7