[INFO] fetching crate keytree 0.2.4...
[INFO] checking keytree-0.2.4 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[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 b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbee318b3c74fcf1a7347dcb5c6459de9cf183d6232d201fbc7c557caa01bcb1
[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" "cbee318b3c74fcf1a7347dcb5c6459de9cf183d6232d201fbc7c557caa01bcb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbee318b3c74fcf1a7347dcb5c6459de9cf183d6232d201fbc7c557caa01bcb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbee318b3c74fcf1a7347dcb5c6459de9cf183d6232d201fbc7c557caa01bcb1", kill_on_drop: false }`
[INFO] [stdout] cbee318b3c74fcf1a7347dcb5c6459de9cf183d6232d201fbc7c557caa01bcb1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e8b9a48c83211e71d6797dfb86710bc9742096078f4acaf5faebb51b55a8274
[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" "7e8b9a48c83211e71d6797dfb86710bc9742096078f4acaf5faebb51b55a8274", 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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "7e8b9a48c83211e71d6797dfb86710bc9742096078f4acaf5faebb51b55a8274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8b9a48c83211e71d6797dfb86710bc9742096078f4acaf5faebb51b55a8274", kill_on_drop: false }`
[INFO] [stdout] 7e8b9a48c83211e71d6797dfb86710bc9742096078f4acaf5faebb51b55a8274