[INFO] fetching crate sccmod 0.6.4...
[INFO] testing sccmod-0.6.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate sccmod 0.6.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sccmod 0.6.4
[INFO] finished tweaking crates.io crate sccmod 0.6.4
[INFO] tweaked toml for crates.io crate sccmod 0.6.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sccmod 0.6.4 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sccmod 0.6.4 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unindent v0.2.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.84
[INFO] [stderr]   Downloaded target-lexicon v0.12.14
[INFO] [stderr]   Downloaded pyo3-build-config v0.21.2
[INFO] [stderr]   Downloaded anstyle-query v1.0.3
[INFO] [stderr]   Downloaded pyo3-macros v0.21.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.21.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.21.2
[INFO] [stderr]   Downloaded mio v1.0.1
[INFO] [stderr]   Downloaded syn v2.0.66
[INFO] [stderr]   Downloaded pyo3 v0.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b922b0f99752cf066a974f35518344c260314434ae601500f7d17001711fe20
[INFO] running `Command { std: "docker" "start" "-a" "2b922b0f99752cf066a974f35518344c260314434ae601500f7d17001711fe20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b922b0f99752cf066a974f35518344c260314434ae601500f7d17001711fe20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b922b0f99752cf066a974f35518344c260314434ae601500f7d17001711fe20", kill_on_drop: false }`
[INFO] [stdout] 2b922b0f99752cf066a974f35518344c260314434ae601500f7d17001711fe20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f7de56e5e0c1d7233af6d0baede3c5d0dc3fee7ab968575614a50cc4bed2a33
[INFO] running `Command { std: "docker" "start" "-a" "0f7de56e5e0c1d7233af6d0baede3c5d0dc3fee7ab968575614a50cc4bed2a33", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling anstyle-query v1.0.3
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling clap_builder v4.5.20
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling clap v4.5.20
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]    Compiling sccmod v0.6.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fs_try_exists)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(round_char_boundary)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(dir_entry_ext2)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::Command`
[INFO] [stdout]  --> src/builders/make.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, path, path::Path, process::Command};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cli::child_logger`
[INFO] [stdout]  --> src/builders/make.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 |     builders::builder_trait::BuilderImpl, cli::child_logger, config,
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::module::Module`
[INFO] [stdout]  --> src/config.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::module::Module;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `fs_try_exists` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fs_try_exists)]
[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]    --> src/module.rs:306:17
[INFO] [stdout]     |
[INFO] [stdout] 306 |             let mut dependencies: Vec<Dependency> = dependencies.iter().map(|dep| {
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sccmod` (lib) due to 3 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0f7de56e5e0c1d7233af6d0baede3c5d0dc3fee7ab968575614a50cc4bed2a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7de56e5e0c1d7233af6d0baede3c5d0dc3fee7ab968575614a50cc4bed2a33", kill_on_drop: false }`
[INFO] [stdout] 0f7de56e5e0c1d7233af6d0baede3c5d0dc3fee7ab968575614a50cc4bed2a33