[INFO] fetching crate nuprompt 0.4.7...
[INFO] checking nuprompt-0.4.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate nuprompt 0.4.7 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nuprompt 0.4.7
[INFO] finished tweaking crates.io crate nuprompt 0.4.7
[INFO] tweaked toml for crates.io crate nuprompt 0.4.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nuprompt 0.4.7 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 nuprompt 0.4.7 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] 8c74986f81314b516ee9e911ed99312308d8d7a3de18bbeba9a6a25e1c08a37c
[INFO] running `Command { std: "docker" "start" "-a" "8c74986f81314b516ee9e911ed99312308d8d7a3de18bbeba9a6a25e1c08a37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c74986f81314b516ee9e911ed99312308d8d7a3de18bbeba9a6a25e1c08a37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c74986f81314b516ee9e911ed99312308d8d7a3de18bbeba9a6a25e1c08a37c", kill_on_drop: false }`
[INFO] [stdout] 8c74986f81314b516ee9e911ed99312308d8d7a3de18bbeba9a6a25e1c08a37c
[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] c95156567dfddb088fe42e6aee7da18dc8d1aa8c245fdf4485269a9e0ec908ea
[INFO] running `Command { std: "docker" "start" "-a" "c95156567dfddb088fe42e6aee7da18dc8d1aa8c245fdf4485269a9e0ec908ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]     Checking litemap v0.7.4
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling cc v1.2.3
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking coarsetime v0.1.35
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling libgit2-sys v0.17.0+1.8.1
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]     Checking zerofrom v0.1.5
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking git2 v0.19.0
[INFO] [stderr]     Checking nuprompt v0.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:224:43
[INFO] [stdout]     |
[INFO] [stdout] 224 |         Ok(h) if input.starts_with(&h) => PathBuf::from_str("~").unwrap().join(input.strip_prefix(h).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:224:43
[INFO] [stdout]     |
[INFO] [stdout] 224 |         Ok(h) if input.starts_with(&h) => PathBuf::from_str("~").unwrap().join(input.strip_prefix(h).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 `nuprompt` (bin "nuprompt") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nuprompt` (bin "nuprompt" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c95156567dfddb088fe42e6aee7da18dc8d1aa8c245fdf4485269a9e0ec908ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95156567dfddb088fe42e6aee7da18dc8d1aa8c245fdf4485269a9e0ec908ea", kill_on_drop: false }`
[INFO] [stdout] c95156567dfddb088fe42e6aee7da18dc8d1aa8c245fdf4485269a9e0ec908ea
