[INFO] fetching crate keytree 0.2.4... [INFO] checking keytree-0.2.4 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate keytree 0.2.4 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate keytree 0.2.4 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate keytree 0.2.4 [INFO] finished tweaking crates.io crate keytree 0.2.4 [INFO] tweaked toml for crates.io crate keytree 0.2.4 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 97a955d9e865531b7fc4d817ad5019f1270116893afeb71592512440130d5bf5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "97a955d9e865531b7fc4d817ad5019f1270116893afeb71592512440130d5bf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97a955d9e865531b7fc4d817ad5019f1270116893afeb71592512440130d5bf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97a955d9e865531b7fc4d817ad5019f1270116893afeb71592512440130d5bf5", kill_on_drop: false }` [INFO] [stdout] 97a955d9e865531b7fc4d817ad5019f1270116893afeb71592512440130d5bf5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ca98ad75b08cda1104c3bf7b7d072e52542ab8a485b5924a3505ebf57aac0fe7 [INFO] running `Command { std: "docker" "start" "-a" "ca98ad75b08cda1104c3bf7b7d072e52542ab8a485b5924a3505ebf57aac0fe7", kill_on_drop: false }` [INFO] [stderr] Checking keytree v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new_line` [INFO] [stdout] --> src/parser.rs:153:8 [INFO] [stdout] | [INFO] [stdout] 153 | fn new_line(&mut self, pos: usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `start_key` [INFO] [stdout] --> src/lib.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 166 | fn start_key(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/lib.rs:374:8 [INFO] [stdout] | [INFO] [stdout] 374 | fn get(&self, path: &UniquePath) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/lib.rs:672:8 [INFO] [stdout] | [INFO] [stdout] 672 | fn get(&self, path: &NonUniquePath) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/path.rs:520:9 [INFO] [stdout] | [INFO] [stdout] 520 | &self.s.hash(state); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_line` [INFO] [stdout] --> src/parser.rs:153:8 [INFO] [stdout] | [INFO] [stdout] 153 | fn new_line(&mut self, pos: usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `start_key` [INFO] [stdout] --> src/lib.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 166 | fn start_key(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/lib.rs:374:8 [INFO] [stdout] | [INFO] [stdout] 374 | fn get(&self, path: &UniquePath) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/lib.rs:672:8 [INFO] [stdout] | [INFO] [stdout] 672 | fn get(&self, path: &NonUniquePath) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/path.rs:520:9 [INFO] [stdout] | [INFO] [stdout] 520 | &self.s.hash(state); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "ca98ad75b08cda1104c3bf7b7d072e52542ab8a485b5924a3505ebf57aac0fe7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca98ad75b08cda1104c3bf7b7d072e52542ab8a485b5924a3505ebf57aac0fe7", kill_on_drop: false }` [INFO] [stdout] ca98ad75b08cda1104c3bf7b7d072e52542ab8a485b5924a3505ebf57aac0fe7