[INFO] updating cached repository https://github.com/raiker/persistent-rope [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7f638488c32998e1683a0a3ba8de4846c9a5dee7 [INFO] checking raiker/persistent-rope against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraiker%2Fpersistent-rope" "work/builds/worker-6/source"` [INFO] [stderr] Cloning into 'work/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raiker/persistent-rope on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/raiker/persistent-rope [INFO] finished tweaking git repo https://github.com/raiker/persistent-rope [INFO] tweaked toml for git repo https://github.com/raiker/persistent-rope written to work/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/raiker/persistent-rope already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e209c4836e12c2b4c15f8610087daf8ac3ab98a69e6794618acb20f9147c2f5e [INFO] running `"docker" "start" "-a" "e209c4836e12c2b4c15f8610087daf8ac3ab98a69e6794618acb20f9147c2f5e"` [INFO] [stderr] Checking persistent-rope v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `parent` [INFO] [stderr] --> src/main.rs:141:69 [INFO] [stderr] | [INFO] [stderr] 141 | fn rec_insert(key: K, val: V, current: &Rc>>, parent: Option<&Rc>>>) -> InsertionResultRecursion{ [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_parent` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `RcSliceableString` [INFO] [stderr] --> src/rcstr.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub struct RcSliceableString { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/rcstr.rs:10:2 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn new(s: String) -> RcSliceableString { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `slice` [INFO] [stderr] --> src/rcstr.rs:19:2 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn slice(&self, start: usize, len: usize) -> RcSliceableString { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `as_str` [INFO] [stderr] --> src/rcstr.rs:34:2 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn as_str(&self) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `parent` [INFO] [stderr] --> src/main.rs:141:69 [INFO] [stderr] | [INFO] [stderr] 141 | fn rec_insert(key: K, val: V, current: &Rc>>, parent: Option<&Rc>>>) -> InsertionResultRecursion{ [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_parent` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.97s [INFO] running `"docker" "inspect" "e209c4836e12c2b4c15f8610087daf8ac3ab98a69e6794618acb20f9147c2f5e"` [INFO] running `"docker" "rm" "-f" "e209c4836e12c2b4c15f8610087daf8ac3ab98a69e6794618acb20f9147c2f5e"` [INFO] [stdout] e209c4836e12c2b4c15f8610087daf8ac3ab98a69e6794618acb20f9147c2f5e