[INFO] fetching crate littlefs2 0.6.1...
[INFO] checking littlefs2-0.6.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate littlefs2 0.6.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate littlefs2 0.6.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate littlefs2 0.6.1
[INFO] tweaked toml for crates.io crate littlefs2 0.6.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate littlefs2 0.6.1 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 littlefs2 0.6.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2d311c8afe26fe516c939adf08faa48132f5c9185979bf6dd812ac6c6688897d
[INFO] running `Command { std: "docker" "start" "-a" "2d311c8afe26fe516c939adf08faa48132f5c9185979bf6dd812ac6c6688897d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d311c8afe26fe516c939adf08faa48132f5c9185979bf6dd812ac6c6688897d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d311c8afe26fe516c939adf08faa48132f5c9185979bf6dd812ac6c6688897d", kill_on_drop: false }`
[INFO] [stdout] 2d311c8afe26fe516c939adf08faa48132f5c9185979bf6dd812ac6c6688897d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2a67d7a020d1953fd0e62ec0ad417dcbc1e7baa4354bf3e7b038f52e600f5fd1
[INFO] running `Command { std: "docker" "start" "-a" "2a67d7a020d1953fd0e62ec0ad417dcbc1e7baa4354bf3e7b038f52e600f5fd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bindgen v0.70.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling delog v0.1.7
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling syn v2.0.40
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling littlefs2-sys v0.3.1
[INFO] [stderr]     Checking littlefs2-core v0.1.1
[INFO] [stderr]     Checking ssmarshal v1.0.0
[INFO] [stderr]     Checking littlefs2 v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: core::result::Result<i32, Infallible>
[INFO] [stdout]   --> src/fs.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let error_code = c_int::try_from(return_value).unwrap_or(c_int::MIN);
[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 `littlefs2` (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: std::result::Result<i32, Infallible>
[INFO] [stdout]   --> src/fs.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let error_code = c_int::try_from(return_value).unwrap_or(c_int::MIN);
[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 `littlefs2` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2a67d7a020d1953fd0e62ec0ad417dcbc1e7baa4354bf3e7b038f52e600f5fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a67d7a020d1953fd0e62ec0ad417dcbc1e7baa4354bf3e7b038f52e600f5fd1", kill_on_drop: false }`
[INFO] [stdout] 2a67d7a020d1953fd0e62ec0ad417dcbc1e7baa4354bf3e7b038f52e600f5fd1
