[INFO] fetching crate backhand-cli 0.23.0...
[INFO] checking backhand-cli-0.23.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate backhand-cli 0.23.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate backhand-cli 0.23.0
[INFO] finished tweaking crates.io crate backhand-cli 0.23.0
[INFO] tweaked toml for crates.io crate backhand-cli 0.23.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate backhand-cli 0.23.0 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 backhand-cli 0.23.0 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] 44bf54d02d8be0d2c5b4ecd3a81bd8cb146d259578f08e4d7f920cb6bb61b208
[INFO] running `Command { std: "docker" "start" "-a" "44bf54d02d8be0d2c5b4ecd3a81bd8cb146d259578f08e4d7f920cb6bb61b208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44bf54d02d8be0d2c5b4ecd3a81bd8cb146d259578f08e4d7f920cb6bb61b208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44bf54d02d8be0d2c5b4ecd3a81bd8cb146d259578f08e4d7f920cb6bb61b208", kill_on_drop: false }`
[INFO] [stdout] 44bf54d02d8be0d2c5b4ecd3a81bd8cb146d259578f08e4d7f920cb6bb61b208
[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] 173cb483f68a34a518cf63b9912e820e43914cfc9f40d6ee78b65de0ddd2e83a
[INFO] running `Command { std: "docker" "start" "-a" "173cb483f68a34a518cf63b9912e820e43914cfc9f40d6ee78b65de0ddd2e83a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking zlib-rs v0.5.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking solana-nohash-hasher v0.2.1
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking no_std_io2 v0.9.0
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking terminal_size v0.4.2
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]     Checking libz-rs-sys v0.5.1
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling liblzma-sys v0.4.4
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking liblzma v0.4.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling color-print-proc-macro v0.3.7
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking color-print v0.3.7
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking clap v4.5.40
[INFO] [stderr]     Checking clap-cargo v0.15.2
[INFO] [stderr]     Checking clap_complete v4.5.54
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling deku_derive v0.19.1
[INFO] [stderr]     Checking deku v0.19.1
[INFO] [stderr]     Checking backhand v0.23.0
[INFO] [stderr]     Checking backhand-cli v0.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/bin/unsquashfs.rs:576:25
[INFO] [stdout]     |
[INFO] [stdout] 576 |                         dev_t::try_from(*device_number).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<u64, Infallible>
[INFO] [stdout]    --> src/bin/unsquashfs.rs:617:21
[INFO] [stdout]     |
[INFO] [stdout] 617 |                     dev_t::try_from(*device_number).unwrap(),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/bin/unsquashfs.rs:664:21
[INFO] [stdout]     |
[INFO] [stdout] 664 |                     dev_t::try_from(0_u64).unwrap(),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `backhand-cli` (bin "unsquashfs-backhand") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/bin/unsquashfs.rs:576:25
[INFO] [stdout]     |
[INFO] [stdout] 576 |                         dev_t::try_from(*device_number).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<u64, Infallible>
[INFO] [stdout]    --> src/bin/unsquashfs.rs:617:21
[INFO] [stdout]     |
[INFO] [stdout] 617 |                     dev_t::try_from(*device_number).unwrap(),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/bin/unsquashfs.rs:664:21
[INFO] [stdout]     |
[INFO] [stdout] 664 |                     dev_t::try_from(0_u64).unwrap(),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `backhand-cli` (bin "unsquashfs-backhand" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "173cb483f68a34a518cf63b9912e820e43914cfc9f40d6ee78b65de0ddd2e83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173cb483f68a34a518cf63b9912e820e43914cfc9f40d6ee78b65de0ddd2e83a", kill_on_drop: false }`
[INFO] [stdout] 173cb483f68a34a518cf63b9912e820e43914cfc9f40d6ee78b65de0ddd2e83a
