[INFO] cloning repository https://github.com/Maix0/format42
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Maix0/format42" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaix0%2Fformat42", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaix0%2Fformat42'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f0cf1cfe4e870f1e83bdb87be12bdcf8a7f8b01
[INFO] checking Maix0/format42 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaix0%2Fformat42" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Maix0/format42
[INFO] finished tweaking git repo https://github.com/Maix0/format42
[INFO] tweaked toml for git repo https://github.com/Maix0/format42 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Maix0/format42 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Maix0/format42 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded tree-sitter v0.20.10
[INFO] [stderr]   Downloaded aho-corasick v1.0.4
[INFO] [stderr]   Downloaded regex v1.9.4
[INFO] [stderr]   Downloaded chrono v0.4.30
[INFO] [stderr]   Downloaded syn v2.0.31
[INFO] [stderr]   Downloaded tree-sitter-c v0.20.6
[INFO] [stderr]   Downloaded regex-automata v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ffef2afaa12c743ea42e20cb14e844aba34c11c47eb02b97a2736d36d127e45
[INFO] running `Command { std: "docker" "start" "-a" "1ffef2afaa12c743ea42e20cb14e844aba34c11c47eb02b97a2736d36d127e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ffef2afaa12c743ea42e20cb14e844aba34c11c47eb02b97a2736d36d127e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ffef2afaa12c743ea42e20cb14e844aba34c11c47eb02b97a2736d36d127e45", kill_on_drop: false }`
[INFO] [stdout] 1ffef2afaa12c743ea42e20cb14e844aba34c11c47eb02b97a2736d36d127e45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baf5e129401ca79a5d849928a595665cc63431287f8c17e591b20116b6698e0e
[INFO] running `Command { std: "docker" "start" "-a" "baf5e129401ca79a5d849928a595665cc63431287f8c17e591b20116b6698e0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking chrono v0.4.30
[INFO] [stderr]    Compiling tree-sitter v0.20.10
[INFO] [stderr]    Compiling tree-sitter-c v0.20.6
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]     Checking regex v1.9.4
[INFO] [stderr]     Checking format42 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lazy_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lazy_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Ok((path, _f, o)) => {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident_value`
[INFO] [stdout]    --> src/main.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn format(&self, ident_value: usize, fmt: &mut impl std::io::Write) -> std::io::Result<()> {
[INFO] [stdout]     |                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ident_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fmt`
[INFO] [stdout]    --> src/main.rs:172:46
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn format(&self, ident_value: usize, fmt: &mut impl std::io::Write) -> std::io::Result<()> {
[INFO] [stdout]     |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `def`
[INFO] [stdout]    --> src/main.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |         for def in &self.0 {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_def`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]    --> src/main.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |         filename: &str,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `format42` (bin "format42" test) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lazy_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lazy_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Ok((path, _f, o)) => {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident_value`
[INFO] [stdout]    --> src/main.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn format(&self, ident_value: usize, fmt: &mut impl std::io::Write) -> std::io::Result<()> {
[INFO] [stdout]     |                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ident_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fmt`
[INFO] [stdout]    --> src/main.rs:172:46
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn format(&self, ident_value: usize, fmt: &mut impl std::io::Write) -> std::io::Result<()> {
[INFO] [stdout]     |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `def`
[INFO] [stdout]    --> src/main.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |         for def in &self.0 {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_def`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]    --> src/main.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |         filename: &str,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `format42` (bin "format42") due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "baf5e129401ca79a5d849928a595665cc63431287f8c17e591b20116b6698e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf5e129401ca79a5d849928a595665cc63431287f8c17e591b20116b6698e0e", kill_on_drop: false }`
[INFO] [stdout] baf5e129401ca79a5d849928a595665cc63431287f8c17e591b20116b6698e0e
