[INFO] cloning repository https://github.com/martin-dsa/advent_of_code_2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martin-dsa/advent_of_code_2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-dsa%2Fadvent_of_code_2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-dsa%2Fadvent_of_code_2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c79d8225ecf2a1eec30706e203623d723469eb0b
[INFO] checking martin-dsa/advent_of_code_2015 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-dsa%2Fadvent_of_code_2015" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/martin-dsa/advent_of_code_2015
[INFO] finished tweaking git repo https://github.com/martin-dsa/advent_of_code_2015
[INFO] tweaked toml for git repo https://github.com/martin-dsa/advent_of_code_2015 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/martin-dsa/advent_of_code_2015 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/martin-dsa/advent_of_code_2015 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbed91e75335ab08c75a253866397b6bed6f2a3a02f0c1c16ffed823a9f85ce3
[INFO] running `Command { std: "docker" "start" "-a" "dbed91e75335ab08c75a253866397b6bed6f2a3a02f0c1c16ffed823a9f85ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbed91e75335ab08c75a253866397b6bed6f2a3a02f0c1c16ffed823a9f85ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbed91e75335ab08c75a253866397b6bed6f2a3a02f0c1c16ffed823a9f85ce3", kill_on_drop: false }`
[INFO] [stdout] dbed91e75335ab08c75a253866397b6bed6f2a3a02f0c1c16ffed823a9f85ce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e495a2b0a1e28199bf81f349dd28672f55fcdc43b392583cacb443ffa1fc44a
[INFO] running `Command { std: "docker" "start" "-a" "6e495a2b0a1e28199bf81f349dd28672f55fcdc43b392583cacb443ffa1fc44a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking regex-automata v0.3.4
[INFO] [stderr]     Checking serde_json v1.0.104
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking fancy-regex v0.11.0
[INFO] [stderr]     Checking advent_of_code v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/13.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_data(input: &str) -> (Names, Connections) {
[INFO] [stdout]   |                    ^^^^      ^^^^^  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                    |         |
[INFO] [stdout]   |                    |         the same lifetime is hidden here
[INFO] [stdout]   |                    the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_data(input: &str) -> (Names<'_>, Connections<'_>) {
[INFO] [stdout]   |                                   ++++             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bin/13.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |             names.insert(to.clone());
[INFO] [stdout]    |                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/13.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_data(input: &str) -> (Names, Connections) {
[INFO] [stdout]   |                    ^^^^      ^^^^^  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                    |         |
[INFO] [stdout]   |                    |         the same lifetime is hidden here
[INFO] [stdout]   |                    the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_data(input: &str) -> (Names<'_>, Connections<'_>) {
[INFO] [stdout]   |                                   ++++             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bin/13.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |             names.insert(to.clone());
[INFO] [stdout]    |                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.64s
[INFO] running `Command { std: "docker" "inspect" "6e495a2b0a1e28199bf81f349dd28672f55fcdc43b392583cacb443ffa1fc44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e495a2b0a1e28199bf81f349dd28672f55fcdc43b392583cacb443ffa1fc44a", kill_on_drop: false }`
[INFO] [stdout] 6e495a2b0a1e28199bf81f349dd28672f55fcdc43b392583cacb443ffa1fc44a