[INFO] fetching crate armerge 2.2.2...
[INFO] checking armerge-2.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate armerge 2.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate armerge 2.2.2
[INFO] finished tweaking crates.io crate armerge 2.2.2
[INFO] tweaked toml for crates.io crate armerge 2.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate armerge 2.2.2 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 armerge 2.2.2 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] [stderr]     Blocking waiting for file lock on package cache
[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] f278c980bc5e1b4dda339510b3af97c11bc764d14189a1cfa71d480196aafc50
[INFO] running `Command { std: "docker" "start" "-a" "f278c980bc5e1b4dda339510b3af97c11bc764d14189a1cfa71d480196aafc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f278c980bc5e1b4dda339510b3af97c11bc764d14189a1cfa71d480196aafc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f278c980bc5e1b4dda339510b3af97c11bc764d14189a1cfa71d480196aafc50", kill_on_drop: false }`
[INFO] [stdout] f278c980bc5e1b4dda339510b3af97c11bc764d14189a1cfa71d480196aafc50
[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] c80bdbf31c4ba44911710b0c6512429b9ca77a9ca2ddb01c9f86141fe62d29af
[INFO] running `Command { std: "docker" "start" "-a" "c80bdbf31c4ba44911710b0c6512429b9ca77a9ca2ddb01c9f86141fe62d29af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking object v0.36.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking twox-hash v2.1.1
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking clap_builder v4.5.46
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]     Checking ar v0.9.0
[INFO] [stderr]     Checking ruzstd v0.8.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling scroll_derive v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling clap_derive v4.5.45
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking goblin v0.4.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking scroll v0.13.0
[INFO] [stderr]     Checking goblin v0.10.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking thiserror v2.0.16
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking clap v4.5.46
[INFO] [stderr]     Checking objpoke v0.3.0
[INFO] [stderr]     Checking armerge v2.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/archives.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         OsString::from_str("ranlib").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<OsString, Infallible>
[INFO] [stdout]   --> src/objects/merge.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         OsString::from_str("ld").unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/objects/system_filter.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         OsString::from_str("llvm-objcopy").unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/archives.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         OsString::from_str("ranlib").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<OsString, Infallible>
[INFO] [stdout]   --> src/objects/merge.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         OsString::from_str("ld").unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/objects/system_filter.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         OsString::from_str("llvm-objcopy").unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `armerge` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `armerge` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c80bdbf31c4ba44911710b0c6512429b9ca77a9ca2ddb01c9f86141fe62d29af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80bdbf31c4ba44911710b0c6512429b9ca77a9ca2ddb01c9f86141fe62d29af", kill_on_drop: false }`
[INFO] [stdout] c80bdbf31c4ba44911710b0c6512429b9ca77a9ca2ddb01c9f86141fe62d29af