[INFO] fetching crate swc-neuron 0.4.1...
[INFO] checking swc-neuron-0.4.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate swc-neuron 0.4.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate swc-neuron 0.4.1
[INFO] finished tweaking crates.io crate swc-neuron 0.4.1
[INFO] tweaked toml for crates.io crate swc-neuron 0.4.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swc-neuron 0.4.1 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 swc-neuron 0.4.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0b466839e7bf457d8355ffefd03bcd1e3e1d76867f8614fb16118340c35773bd
[INFO] running `Command { std: "docker" "start" "-a" "0b466839e7bf457d8355ffefd03bcd1e3e1d76867f8614fb16118340c35773bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b466839e7bf457d8355ffefd03bcd1e3e1d76867f8614fb16118340c35773bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b466839e7bf457d8355ffefd03bcd1e3e1d76867f8614fb16118340c35773bd", kill_on_drop: false }`
[INFO] [stdout] 0b466839e7bf457d8355ffefd03bcd1e3e1d76867f8614fb16118340c35773bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 29a3e39b9669cfa86db69214c2fb26415b22b74fdbbba2c7c7d70fc4cbae71b0
[INFO] running `Command { std: "docker" "start" "-a" "29a3e39b9669cfa86db69214c2fb26415b22b74fdbbba2c7c7d70fc4cbae71b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking anstyle v1.0.5
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking thiserror v1.0.56
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking swc-neuron v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> benches/swc.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut p = PathBuf::from_str(env!("CARGO_MANIFEST_DIR")).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 `swc-neuron` (bench "swc") 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<PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:624:21
[INFO] [stdout]     |
[INFO] [stdout] 624 |         let mut p = PathBuf::from_str(env!("CARGO_MANIFEST_DIR")).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 `swc-neuron` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "29a3e39b9669cfa86db69214c2fb26415b22b74fdbbba2c7c7d70fc4cbae71b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a3e39b9669cfa86db69214c2fb26415b22b74fdbbba2c7c7d70fc4cbae71b0", kill_on_drop: false }`
[INFO] [stdout] 29a3e39b9669cfa86db69214c2fb26415b22b74fdbbba2c7c7d70fc4cbae71b0
