[INFO] cloning repository https://github.com/saying121/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saying121/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaying121%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaying121%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8f40744af2ecea88e192f26a4b0eda93a06890d
[INFO] checking saying121/rlox 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%2Fsaying121%2Frlox" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/saying121/rlox
[INFO] finished tweaking git repo https://github.com/saying121/rlox
[INFO] tweaked toml for git repo https://github.com/saying121/rlox written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saying121/rlox 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/saying121/rlox 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6e693bfea432b9e28e82fb345e381724362a63f4ed577444551b61a01089323d
[INFO] running `Command { std: "docker" "start" "-a" "6e693bfea432b9e28e82fb345e381724362a63f4ed577444551b61a01089323d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e693bfea432b9e28e82fb345e381724362a63f4ed577444551b61a01089323d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e693bfea432b9e28e82fb345e381724362a63f4ed577444551b61a01089323d", kill_on_drop: false }`
[INFO] [stdout] 6e693bfea432b9e28e82fb345e381724362a63f4ed577444551b61a01089323d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9e025420770d9f1aa765b4b62cdfc0a8d66acacb41e347628e942afe3415b757
[INFO] running `Command { std: "docker" "start" "-a" "9e025420770d9f1aa765b4b62cdfc0a8d66acacb41e347628e942afe3415b757", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]     Checking bitflags v2.7.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking log v0.4.24
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking clap_builder v4.5.26
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking rustyline v15.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling snafu-derive v0.8.5
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling test-generator v0.3.1
[INFO] [stderr]     Checking snafu v0.8.5
[INFO] [stderr]     Checking clap v4.5.26
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir/crates/rlox)
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> crates/rlox/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains, try_blocks, duration_millis_float, coroutines, gen_blocks)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> crates/rlox/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains, try_blocks, duration_millis_float, coroutines, gen_blocks)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rlox-vm v0.1.0 (/opt/rustwide/workdir/crates/rlox-vm)
[INFO] [stderr]     Checking pratt-parser v0.1.0 (/opt/rustwide/workdir/crates/pratt-parser)
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]   --> crates/rlox/tests/run.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let Ok(p) = PathBuf::from_str(resource);
[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<std::path::PathBuf, Infallible>
[INFO] [stdout]   --> crates/rlox/tests/run.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let Ok(p) = PathBuf::from_str(resource);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlox` (test "run") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> crates/rlox-vm/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains, iter_next_chunk)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> crates/rlox-vm/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains, iter_next_chunk)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> crates/rlox-vm/src/compiler/mod.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut compiler = Self {
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> crates/rlox-vm/src/compiler/mod.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut compiler = Self {
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]    --> crates/rlox-vm/src/compiler/mod.rs:414:13
[INFO] [stdout]     |
[INFO] [stdout] 414 |         let compiler = Compiler::new(ty, self);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]    --> crates/rlox-vm/src/compiler/mod.rs:414:13
[INFO] [stdout]     |
[INFO] [stdout] 414 |         let compiler = Compiler::new(ty, self);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `error` is never used
[INFO] [stdout]    --> crates/rlox-vm/src/compiler/mod.rs:823:8
[INFO] [stdout]     |
[INFO] [stdout] 807 | / impl<I> Parser<I>
[INFO] [stdout] 808 | | where
[INFO] [stdout] 809 | |     I: Iterator<Item = Token>,
[INFO] [stdout]     | |______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 823 |       fn error(&mut self) {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `error` is never used
[INFO] [stdout]    --> crates/rlox-vm/src/compiler/mod.rs:823:8
[INFO] [stdout]     |
[INFO] [stdout] 807 | / impl<I> Parser<I>
[INFO] [stdout] 808 | | where
[INFO] [stdout] 809 | |     I: Iterator<Item = Token>,
[INFO] [stdout]     | |______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 823 |       fn error(&mut self) {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e025420770d9f1aa765b4b62cdfc0a8d66acacb41e347628e942afe3415b757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e025420770d9f1aa765b4b62cdfc0a8d66acacb41e347628e942afe3415b757", kill_on_drop: false }`
[INFO] [stdout] 9e025420770d9f1aa765b4b62cdfc0a8d66acacb41e347628e942afe3415b757
