[INFO] cloning repository https://github.com/finnkauski/mub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/finnkauski/mub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinnkauski%2Fmub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinnkauski%2Fmub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bfc3c2e8662c07a40c79f40240e357fe8acbd3b
[INFO] checking finnkauski/mub 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%2Ffinnkauski%2Fmub" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/finnkauski/mub
[INFO] finished tweaking git repo https://github.com/finnkauski/mub
[INFO] tweaked toml for git repo https://github.com/finnkauski/mub written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/finnkauski/mub 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/finnkauski/mub 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3ca1635126e8caec6090748de5d49d3a859ac71399f71c42759e8a67f98d37e9
[INFO] running `Command { std: "docker" "start" "-a" "3ca1635126e8caec6090748de5d49d3a859ac71399f71c42759e8a67f98d37e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ca1635126e8caec6090748de5d49d3a859ac71399f71c42759e8a67f98d37e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca1635126e8caec6090748de5d49d3a859ac71399f71c42759e8a67f98d37e9", kill_on_drop: false }`
[INFO] [stdout] 3ca1635126e8caec6090748de5d49d3a859ac71399f71c42759e8a67f98d37e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0b9c1cd7348497c1063402b52286b328954ebbe269eba2bbb38b8e8c7ee7953b
[INFO] running `Command { std: "docker" "start" "-a" "0b9c1cd7348497c1063402b52286b328954ebbe269eba2bbb38b8e8c7ee7953b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling pulldown-cmark v0.13.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking pulldown-cmark-escape v0.11.0
[INFO] [stderr]     Checking self_cell v1.2.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking memo-map v0.3.3
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking minijinja v2.10.2
[INFO] [stderr]     Checking mub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Link` is never constructed
[INFO] [stdout]   --> src/types.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct Link {}
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Link` is never constructed
[INFO] [stdout]   --> src/types.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct Link {}
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[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/main.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let config_path: PathBuf = args[1].parse().unwrap_or_else(|e| {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let config_path: PathBuf = args[1].parse().unwrap_or_else(|e| {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mub` (bin "mub") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mub` (bin "mub" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0b9c1cd7348497c1063402b52286b328954ebbe269eba2bbb38b8e8c7ee7953b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9c1cd7348497c1063402b52286b328954ebbe269eba2bbb38b8e8c7ee7953b", kill_on_drop: false }`
[INFO] [stdout] 0b9c1cd7348497c1063402b52286b328954ebbe269eba2bbb38b8e8c7ee7953b