[INFO] cloning repository https://github.com/Letder40/rcards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Letder40/rcards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLetder40%2Frcards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLetder40%2Frcards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef233888b21143f37213ae3546e35d998ef7f6f1
[INFO] checking Letder40/rcards 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%2FLetder40%2Frcards" "/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/Letder40/rcards
[INFO] finished tweaking git repo https://github.com/Letder40/rcards
[INFO] tweaked toml for git repo https://github.com/Letder40/rcards written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Letder40/rcards 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/Letder40/rcards 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] cb6e91d7f795f848808afd66d218b401ad9b3281f7c0fda91095cb8a43e3f956
[INFO] running `Command { std: "docker" "start" "-a" "cb6e91d7f795f848808afd66d218b401ad9b3281f7c0fda91095cb8a43e3f956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb6e91d7f795f848808afd66d218b401ad9b3281f7c0fda91095cb8a43e3f956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6e91d7f795f848808afd66d218b401ad9b3281f7c0fda91095cb8a43e3f956", kill_on_drop: false }`
[INFO] [stdout] cb6e91d7f795f848808afd66d218b401ad9b3281f7c0fda91095cb8a43e3f956
[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] 659b3e4cc177da2d6219b5fa831fd583845455644f8cf8dae0604a78570524fa
[INFO] running `Command { std: "docker" "start" "-a" "659b3e4cc177da2d6219b5fa831fd583845455644f8cf8dae0604a78570524fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking bytecount v0.6.8
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking papergrid v0.14.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking rustyline v15.0.0
[INFO] [stderr]     Checking ctrlc v3.4.5
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling tabled_derive v0.10.0
[INFO] [stderr]     Checking tabled v0.18.0
[INFO] [stderr]     Checking rcards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/commands.rs:175:42
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let deck_name_ostr: OsString = match deck_name.clone().try_into() {
[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<OsString, Infallible>
[INFO] [stdout]    --> src/commands.rs:175:42
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let deck_name_ostr: OsString = match deck_name.clone().try_into() {
[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 `rcards` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rcards` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "659b3e4cc177da2d6219b5fa831fd583845455644f8cf8dae0604a78570524fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659b3e4cc177da2d6219b5fa831fd583845455644f8cf8dae0604a78570524fa", kill_on_drop: false }`
[INFO] [stdout] 659b3e4cc177da2d6219b5fa831fd583845455644f8cf8dae0604a78570524fa