[INFO] cloning repository https://github.com/noxpardalis/gitch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noxpardalis/gitch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoxpardalis%2Fgitch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoxpardalis%2Fgitch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 142997c9cc0de478f5eb57ae39b16be856f783e1
[INFO] checking noxpardalis/gitch 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%2Fnoxpardalis%2Fgitch" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/noxpardalis/gitch
[INFO] finished tweaking git repo https://github.com/noxpardalis/gitch
[INFO] tweaked toml for git repo https://github.com/noxpardalis/gitch written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/noxpardalis/gitch 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/noxpardalis/gitch 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] [stderr]     Blocking waiting for file lock on package cache
[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] 3ee4d742b705aefb950f63f5ddb690102d0223e2032cbb9b78fcd80f941bea20
[INFO] running `Command { std: "docker" "start" "-a" "3ee4d742b705aefb950f63f5ddb690102d0223e2032cbb9b78fcd80f941bea20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee4d742b705aefb950f63f5ddb690102d0223e2032cbb9b78fcd80f941bea20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee4d742b705aefb950f63f5ddb690102d0223e2032cbb9b78fcd80f941bea20", kill_on_drop: false }`
[INFO] [stdout] 3ee4d742b705aefb950f63f5ddb690102d0223e2032cbb9b78fcd80f941bea20
[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] d5de5edd29f62a999eaf42109fff59748b19d97fa2c50a343a2b9dc560a894a6
[INFO] running `Command { std: "docker" "start" "-a" "d5de5edd29f62a999eaf42109fff59748b19d97fa2c50a343a2b9dc560a894a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking gix-trace v0.1.12
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking tinyvec v1.9.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking zlib-rs v0.5.1
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking bytesize v2.0.1
[INFO] [stderr]     Checking human_format v1.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking winnow v0.7.11
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking unicode-bom v2.0.3
[INFO] [stderr]     Checking kstring v2.0.2
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking sha1-checked v0.10.0
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking uluru v3.1.0
[INFO] [stderr]    Compiling pyo3-build-config v0.25.1
[INFO] [stderr]     Checking clru v0.6.2
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking libz-rs-sys v0.5.1
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking prodash v29.0.2
[INFO] [stderr]     Checking gix-sec v0.11.0
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking io-close v0.3.7
[INFO] [stderr]     Checking imara-diff v0.1.8
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.1
[INFO] [stderr]    Compiling pyo3-ffi v0.25.1
[INFO] [stderr]    Compiling pyo3 v0.25.1
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking gix-utils v0.3.0
[INFO] [stderr]     Checking faster-hex v0.10.0
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking gix-validate v0.10.0
[INFO] [stderr]     Checking gix-date v0.10.2
[INFO] [stderr]     Checking gix-quote v0.6.0
[INFO] [stderr]     Checking gix-chunk v0.4.11
[INFO] [stderr]     Checking gix-packetline-blocking v0.19.0
[INFO] [stderr]     Checking gix-bitmap v0.2.14
[INFO] [stderr]     Checking gix-packetline v0.19.0
[INFO] [stderr]     Checking gix-path v0.10.18
[INFO] [stderr]     Checking gix-actor v0.35.1
[INFO] [stderr]     Checking gix-features v0.42.1
[INFO] [stderr]     Checking gix-command v0.6.1
[INFO] [stderr]     Checking gix-config-value v0.15.0
[INFO] [stderr]     Checking gix-mailmap v0.27.1
[INFO] [stderr]     Checking gix-prompt v0.11.0
[INFO] [stderr]     Checking gix-hash v0.18.0
[INFO] [stderr]     Checking gix-fs v0.15.0
[INFO] [stderr]     Checking gix-glob v0.20.1
[INFO] [stderr]     Checking gix-tempfile v17.1.0
[INFO] [stderr]     Checking gix-attributes v0.26.1
[INFO] [stderr]     Checking gix-ignore v0.15.0
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking gix-lock v17.1.0
[INFO] [stderr]     Checking gix-hashtable v0.8.1
[INFO] [stderr]     Checking gix-commitgraph v0.28.0
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking gix-object v0.49.1
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking gix-shallow v0.4.0
[INFO] [stderr]     Checking gix-pathspec v0.11.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]    Compiling pyo3-macros v0.25.1
[INFO] [stderr]     Checking gix-revwalk v0.20.1
[INFO] [stderr]     Checking gix-ref v0.52.1
[INFO] [stderr]     Checking gix-filter v0.19.2
[INFO] [stderr]     Checking gix-pack v0.59.1
[INFO] [stderr]     Checking gix-traverse v0.46.2
[INFO] [stderr]     Checking gix-revision v0.34.1
[INFO] [stderr]     Checking gix-negotiate v0.20.1
[INFO] [stderr]     Checking gix-index v0.40.1
[INFO] [stderr]     Checking gix-refspec v0.30.1
[INFO] [stderr]     Checking gix-odb v0.69.1
[INFO] [stderr]     Checking gix-worktree-stream v0.21.2
[INFO] [stderr]     Checking gix-discover v0.40.1
[INFO] [stderr]     Checking gix-config v0.45.1
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking gix-archive v0.21.2
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking gix-worktree v0.41.0
[INFO] [stderr]     Checking gix-dir v0.14.1
[INFO] [stderr]     Checking gix-diff v0.52.1
[INFO] [stderr]     Checking gix-worktree-state v0.19.0
[INFO] [stderr]     Checking gix-url v0.31.0
[INFO] [stderr]     Checking gix-transport v0.47.0
[INFO] [stderr]     Checking gix-credentials v0.29.0
[INFO] [stderr]     Checking gix-status v0.19.1
[INFO] [stderr]     Checking gix-submodule v0.19.1
[INFO] [stderr]     Checking gix-protocol v0.50.1
[INFO] [stderr]     Checking gix v0.72.1
[INFO] [stderr]     Checking gitch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Option<std::string::String>, Infallible>
[INFO] [stdout]    --> src/lib.rs:448:66
[INFO] [stdout]     |
[INFO] [stdout] 448 |     pub fn diff(&self, commit: &Commit, algorithm: Algorithm) -> Option<String> {
[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 `gitch` (lib) 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<Option<std::string::String>, Infallible>
[INFO] [stdout]    --> src/lib.rs:448:66
[INFO] [stdout]     |
[INFO] [stdout] 448 |     pub fn diff(&self, commit: &Commit, algorithm: Algorithm) -> Option<String> {
[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 `gitch` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d5de5edd29f62a999eaf42109fff59748b19d97fa2c50a343a2b9dc560a894a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5de5edd29f62a999eaf42109fff59748b19d97fa2c50a343a2b9dc560a894a6", kill_on_drop: false }`
[INFO] [stdout] d5de5edd29f62a999eaf42109fff59748b19d97fa2c50a343a2b9dc560a894a6
