[INFO] cloning repository https://github.com/finn-rudolph/trees [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/finn-rudolph/trees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinn-rudolph%2Ftrees", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinn-rudolph%2Ftrees'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 88695ec020803c597ddc0dddf06676c93438baa3 [INFO] checking finn-rudolph/trees against f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 for pr-160235-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinn-rudolph%2Ftrees" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/finn-rudolph/trees [INFO] finished tweaking git repo https://github.com/finn-rudolph/trees [INFO] tweaked toml for git repo https://github.com/finn-rudolph/trees written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/finn-rudolph/trees on toolchain f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/finn-rudolph/trees 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" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 609c9f9bf1a90e20dc044014209182ba70f7d13f33e2bb46e0d1ad997edcffaf [INFO] running `Command { std: "docker" "start" "609c9f9bf1a90e20dc044014209182ba70f7d13f33e2bb46e0d1ad997edcffaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "609c9f9bf1a90e20dc044014209182ba70f7d13f33e2bb46e0d1ad997edcffaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "609c9f9bf1a90e20dc044014209182ba70f7d13f33e2bb46e0d1ad997edcffaf" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "609c9f9bf1a90e20dc044014209182ba70f7d13f33e2bb46e0d1ad997edcffaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "609c9f9bf1a90e20dc044014209182ba70f7d13f33e2bb46e0d1ad997edcffaf" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling unicode-ident v1.0.22 [INFO] [stderr] Checking anstyle v1.0.13 [INFO] [stderr] Checking anstyle-query v1.1.4 [INFO] [stderr] Checking colorchoice v1.0.4 [INFO] [stderr] Checking clap_lex v0.7.6 [INFO] [stderr] Checking anstyle-parse v0.2.7 [INFO] [stderr] Checking anstream v0.6.21 [INFO] [stderr] Checking clap_builder v4.5.51 [INFO] [stderr] Compiling syn v2.0.109 [INFO] [stderr] Compiling clap_derive v4.5.49 [INFO] [stderr] Checking clap v4.5.51 [INFO] [stderr] Checking trees v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Term` [INFO] [stdout] --> src/maps.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | term::{Term, TermRef}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Term` [INFO] [stdout] --> src/maps.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | term::{Term, TermRef}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `walk` is never used [INFO] [stdout] --> src/bidag.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait BinaryChildren { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 51 | fn walk(&self, visitor: &mut F) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_root` and `as_child` are never used [INFO] [stdout] --> src/eqclass.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 38 | impl EqClassEntry { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn is_root(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn as_child(&self) -> &EqClassChildEntry { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `stab_subgroup` is never used [INFO] [stdout] --> src/perm/group.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl<'a> PermutationGroup<'a> { [INFO] [stdout] | ----------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 80 | pub fn stab_subgroup(&self) -> &Option>> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `walk` is never used [INFO] [stdout] --> src/bidag.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait BinaryChildren { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 51 | fn walk(&self, visitor: &mut F) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_root` and `as_child` are never used [INFO] [stdout] --> src/eqclass.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 38 | impl EqClassEntry { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn is_root(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn as_child(&self) -> &EqClassChildEntry { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `from_generators` and `stab_subgroup` are never used [INFO] [stdout] --> src/perm/group.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl<'a> PermutationGroup<'a> { [INFO] [stdout] | ----------------------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn from_generators(generators: Vec>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub fn stab_subgroup(&self) -> &Option>> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.97s [INFO] running `Command { std: "docker" "inspect" "609c9f9bf1a90e20dc044014209182ba70f7d13f33e2bb46e0d1ad997edcffaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "609c9f9bf1a90e20dc044014209182ba70f7d13f33e2bb46e0d1ad997edcffaf", kill_on_drop: false }` [INFO] [stdout] 609c9f9bf1a90e20dc044014209182ba70f7d13f33e2bb46e0d1ad997edcffaf