[INFO] cloning repository https://github.com/rsookram/zhwc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rsookram/zhwc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsookram%2Fzhwc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsookram%2Fzhwc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4aa2f9b4009599f74886298536a19c74644156ad
[INFO] checking rsookram/zhwc 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%2Frsookram%2Fzhwc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rsookram/zhwc
[INFO] finished tweaking git repo https://github.com/rsookram/zhwc
[INFO] tweaked toml for git repo https://github.com/rsookram/zhwc written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rsookram/zhwc 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/rsookram/zhwc 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 30f6f0e64d38c518c912bfa058629756eacf6208ae9f89f0d6c8fe43fc6e45b8
[INFO] running `Command { std: "docker" "start" "-a" "30f6f0e64d38c518c912bfa058629756eacf6208ae9f89f0d6c8fe43fc6e45b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30f6f0e64d38c518c912bfa058629756eacf6208ae9f89f0d6c8fe43fc6e45b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f6f0e64d38c518c912bfa058629756eacf6208ae9f89f0d6c8fe43fc6e45b8", kill_on_drop: false }`
[INFO] [stdout] 30f6f0e64d38c518c912bfa058629756eacf6208ae9f89f0d6c8fe43fc6e45b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9191bead0283f4b3f599a6c5803020497c90c1248aaa847b3d2011f2519b1e28
[INFO] running `Command { std: "docker" "start" "-a" "9191bead0283f4b3f599a6c5803020497c90c1248aaa847b3d2011f2519b1e28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking cedarwood v0.4.5
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling jieba-rs v0.6.6
[INFO] [stderr]     Checking zhwc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:16:78
[INFO] [stdout]    |
[INFO] [stdout] 16 |       let excludes_path = args.opt_value_from_os_str(["-e", "--excludes"], |v| {
[INFO] [stdout]    |  ______________________________________________________________________________^
[INFO] [stdout] 17 | |         Ok::<_, Infallible>(PathBuf::from(v))
[INFO] [stdout] 18 | |     })?;
[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:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Ok::<_, Infallible>(PathBuf::from(v))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zhwc` (bin "zhwc" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:16:78
[INFO] [stdout]    |
[INFO] [stdout] 16 |       let excludes_path = args.opt_value_from_os_str(["-e", "--excludes"], |v| {
[INFO] [stdout]    |  ______________________________________________________________________________^
[INFO] [stdout] 17 | |         Ok::<_, Infallible>(PathBuf::from(v))
[INFO] [stdout] 18 | |     })?;
[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:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Ok::<_, Infallible>(PathBuf::from(v))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zhwc` (bin "zhwc") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9191bead0283f4b3f599a6c5803020497c90c1248aaa847b3d2011f2519b1e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9191bead0283f4b3f599a6c5803020497c90c1248aaa847b3d2011f2519b1e28", kill_on_drop: false }`
[INFO] [stdout] 9191bead0283f4b3f599a6c5803020497c90c1248aaa847b3d2011f2519b1e28