[INFO] cloning repository https://github.com/pittawatm/advent-of-code-2019-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pittawatm/advent-of-code-2019-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpittawatm%2Fadvent-of-code-2019-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpittawatm%2Fadvent-of-code-2019-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd7f0ee1779d992584d3ff42fcdb44aa5a087581
[INFO] checking pittawatm/advent-of-code-2019-rust against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpittawatm%2Fadvent-of-code-2019-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pittawatm/advent-of-code-2019-rust
[INFO] finished tweaking git repo https://github.com/pittawatm/advent-of-code-2019-rust
[INFO] tweaked toml for git repo https://github.com/pittawatm/advent-of-code-2019-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pittawatm/advent-of-code-2019-rust on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pittawatm/advent-of-code-2019-rust 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb7bad3f9477978faf200ec2c294863241e7b9f68fd0baac281850e6da35bc67
[INFO] running `Command { std: "docker" "start" "-a" "bb7bad3f9477978faf200ec2c294863241e7b9f68fd0baac281850e6da35bc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb7bad3f9477978faf200ec2c294863241e7b9f68fd0baac281850e6da35bc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7bad3f9477978faf200ec2c294863241e7b9f68fd0baac281850e6da35bc67", kill_on_drop: false }`
[INFO] [stdout] bb7bad3f9477978faf200ec2c294863241e7b9f68fd0baac281850e6da35bc67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30bf9f44d941dbb82623de5d3a5f4ed9d3640215458e176a4161d0a406a8f652
[INFO] running `Command { std: "docker" "start" "-a" "30bf9f44d941dbb82623de5d3a5f4ed9d3640215458e176a4161d0a406a8f652", kill_on_drop: false }`
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `end` is never read
[INFO] [stdout]   --> src/day03/line.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Line {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |   pub start: Point,
[INFO] [stdout] 12 |   pub end: Point,
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day06/part2.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |   let root: &str = tmp.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: field `end` is never read
[INFO] [stdout]   --> src/day03/line.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Line {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |   pub start: Point,
[INFO] [stdout] 12 |   pub end: Point,
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day06/part2.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |   let root: &str = tmp.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 0.21s
[INFO] running `Command { std: "docker" "inspect" "30bf9f44d941dbb82623de5d3a5f4ed9d3640215458e176a4161d0a406a8f652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30bf9f44d941dbb82623de5d3a5f4ed9d3640215458e176a4161d0a406a8f652", kill_on_drop: false }`
[INFO] [stdout] 30bf9f44d941dbb82623de5d3a5f4ed9d3640215458e176a4161d0a406a8f652