[INFO] fetching crate slidedeck 0.0.2...
[INFO] checking slidedeck-0.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate slidedeck 0.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate slidedeck 0.0.2
[INFO] finished tweaking crates.io crate slidedeck 0.0.2
[INFO] tweaked toml for crates.io crate slidedeck 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slidedeck 0.0.2 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 slidedeck 0.0.2 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3d90f2ee05ef9ccd7ac06e76153d11f8f4700371c5f2e08fafd4a466a9af58a2
[INFO] running `Command { std: "docker" "start" "-a" "3d90f2ee05ef9ccd7ac06e76153d11f8f4700371c5f2e08fafd4a466a9af58a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d90f2ee05ef9ccd7ac06e76153d11f8f4700371c5f2e08fafd4a466a9af58a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d90f2ee05ef9ccd7ac06e76153d11f8f4700371c5f2e08fafd4a466a9af58a2", kill_on_drop: false }`
[INFO] [stdout] 3d90f2ee05ef9ccd7ac06e76153d11f8f4700371c5f2e08fafd4a466a9af58a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 230dab243e5c7b28b25e00edf741172d923de2a28faa053ac80ed3e68d68ed7c
[INFO] running `Command { std: "docker" "start" "-a" "230dab243e5c7b28b25e00edf741172d923de2a28faa053ac80ed3e68d68ed7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking html-escaper v0.2.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling new_mime_guess v4.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling boilerplate v1.0.0
[INFO] [stderr]     Checking slidedeck v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   input: PathBuf,
[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 `slidedeck` (bin "slidedeck") due to 1 previous error
[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:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   input: PathBuf,
[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 `slidedeck` (bin "slidedeck" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "230dab243e5c7b28b25e00edf741172d923de2a28faa053ac80ed3e68d68ed7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230dab243e5c7b28b25e00edf741172d923de2a28faa053ac80ed3e68d68ed7c", kill_on_drop: false }`
[INFO] [stdout] 230dab243e5c7b28b25e00edf741172d923de2a28faa053ac80ed3e68d68ed7c