[INFO] fetching crate fizzy-rs 0.0.9...
[INFO] checking fizzy-rs-0.0.9 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate fizzy-rs 0.0.9 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fizzy-rs 0.0.9
[INFO] finished tweaking crates.io crate fizzy-rs 0.0.9
[INFO] tweaked toml for crates.io crate fizzy-rs 0.0.9 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fizzy-rs 0.0.9 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 crates.io crate fizzy-rs 0.0.9 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a827c39ed41572900255486a685773de7275f041720503c539bb13b48d0987b5
[INFO] running `Command { std: "docker" "start" "-a" "a827c39ed41572900255486a685773de7275f041720503c539bb13b48d0987b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a827c39ed41572900255486a685773de7275f041720503c539bb13b48d0987b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a827c39ed41572900255486a685773de7275f041720503c539bb13b48d0987b5", kill_on_drop: false }`
[INFO] [stdout] a827c39ed41572900255486a685773de7275f041720503c539bb13b48d0987b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c1bb4822448ccd74d5903d79b0e0d5aa24507ddce62b0e3dc2b48f78c15e6e0a
[INFO] running `Command { std: "docker" "start" "-a" "c1bb4822448ccd74d5903d79b0e0d5aa24507ddce62b0e3dc2b48f78c15e6e0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.16
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking libloading v0.8.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling portable-atomic v1.4.2
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking defer-lite v1.0.0
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking which v4.4.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking xdg-home v1.0.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking indicatif v0.17.5
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking x11rb-protocol v0.10.0
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking x11rb v0.10.1
[INFO] [stderr]     Checking x11-clipboard v0.7.1
[INFO] [stderr]     Checking smithay-clipboard v0.6.6
[INFO] [stderr]     Checking copypasta v0.8.2
[INFO] [stderr]     Checking copypasta-ext v0.4.4
[INFO] [stderr]     Checking fizzy-rs v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |             |v| PathBuf::from_str(&v).unwrap()
[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:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |             |v| PathBuf::from_str(&v).unwrap()
[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 `fizzy-rs` (bin "fizzy" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fizzy-rs` (bin "fizzy") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c1bb4822448ccd74d5903d79b0e0d5aa24507ddce62b0e3dc2b48f78c15e6e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1bb4822448ccd74d5903d79b0e0d5aa24507ddce62b0e3dc2b48f78c15e6e0a", kill_on_drop: false }`
[INFO] [stdout] c1bb4822448ccd74d5903d79b0e0d5aa24507ddce62b0e3dc2b48f78c15e6e0a