[INFO] fetching crate keytree 0.2.4...
[INFO] checking keytree-0.2.4 against 1.55.0 for beta-1.56-3
[INFO] extracting crate keytree 0.2.4 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate keytree 0.2.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46795b8552506213f5ce0c107a3f910eced4d35c8b1cf61a9167486de9c60fe0
[INFO] running `Command { std: "docker" "start" "-a" "46795b8552506213f5ce0c107a3f910eced4d35c8b1cf61a9167486de9c60fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46795b8552506213f5ce0c107a3f910eced4d35c8b1cf61a9167486de9c60fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46795b8552506213f5ce0c107a3f910eced4d35c8b1cf61a9167486de9c60fe0", kill_on_drop: false }`
[INFO] [stdout] 46795b8552506213f5ce0c107a3f910eced4d35c8b1cf61a9167486de9c60fe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9797db46fdba8e71d198178647c7ee1ab4adea24c991ca368f9524645cdde7a2
[INFO] running `Command { std: "docker" "start" "-a" "9797db46fdba8e71d198178647c7ee1ab4adea24c991ca368f9524645cdde7a2", 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<TokenIndex> {
[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<usize> {
[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: 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<TokenIndex> {
[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<usize> {
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "9797db46fdba8e71d198178647c7ee1ab4adea24c991ca368f9524645cdde7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9797db46fdba8e71d198178647c7ee1ab4adea24c991ca368f9524645cdde7a2", kill_on_drop: false }`
[INFO] [stdout] 9797db46fdba8e71d198178647c7ee1ab4adea24c991ca368f9524645cdde7a2
