[INFO] fetching crate codetrotter_aoc_2019_solutions 0.9.0... [INFO] checking codetrotter_aoc_2019_solutions-0.9.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate codetrotter_aoc_2019_solutions 0.9.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate codetrotter_aoc_2019_solutions 0.9.0 [INFO] finished tweaking crates.io crate codetrotter_aoc_2019_solutions 0.9.0 [INFO] tweaked toml for crates.io crate codetrotter_aoc_2019_solutions 0.9.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate codetrotter_aoc_2019_solutions 0.9.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate codetrotter_aoc_2019_solutions 0.9.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6fa41eda7024ccfe56e4de52aaf6959b3914403ac3d39a0eaee194508cd991d6 [INFO] running `Command { std: "docker" "start" "-a" "6fa41eda7024ccfe56e4de52aaf6959b3914403ac3d39a0eaee194508cd991d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6fa41eda7024ccfe56e4de52aaf6959b3914403ac3d39a0eaee194508cd991d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fa41eda7024ccfe56e4de52aaf6959b3914403ac3d39a0eaee194508cd991d6", kill_on_drop: false }` [INFO] [stdout] 6fa41eda7024ccfe56e4de52aaf6959b3914403ac3d39a0eaee194508cd991d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8cda56724c105da9698767875f851f3d40ad3a3c0a02fa6ade46ebb6b262574 [INFO] running `Command { std: "docker" "start" "-a" "c8cda56724c105da9698767875f851f3d40ad3a3c0a02fa6ade46ebb6b262574", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking codetrotter_aoc_2019_solutions v0.9.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `chrono::prelude::*` [INFO] [stdout] --> src/lib.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | use chrono::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chrono::prelude::*` [INFO] [stdout] --> src/lib.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | use chrono::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/day_06.rs:167:33 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn input_generator (input: &'static str) -> impl Iterator [INFO] [stdout] | ^^^^^^^ the lifetime is named here --------- the same lifetime is hidden 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: consistently use `'static` [INFO] [stdout] | [INFO] [stdout] 167 | pub fn input_generator (input: &'static str) -> impl Iterator> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/day_06.rs:287:3 [INFO] [stdout] | [INFO] [stdout] 287 | drop(you_orbit); [INFO] [stdout] | ^^^^^---------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 287 - drop(you_orbit); [INFO] [stdout] 287 + let _ = you_orbit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/day_06.rs:295:3 [INFO] [stdout] | [INFO] [stdout] 295 | drop(santa_orbits); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&str` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 295 - drop(santa_orbits); [INFO] [stdout] 295 + let _ = santa_orbits; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/day_06.rs:167:33 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn input_generator (input: &'static str) -> impl Iterator [INFO] [stdout] | ^^^^^^^ the lifetime is named here --------- the same lifetime is hidden 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: consistently use `'static` [INFO] [stdout] | [INFO] [stdout] 167 | pub fn input_generator (input: &'static str) -> impl Iterator> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/day_06.rs:287:3 [INFO] [stdout] | [INFO] [stdout] 287 | drop(you_orbit); [INFO] [stdout] | ^^^^^---------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 287 - drop(you_orbit); [INFO] [stdout] 287 + let _ = you_orbit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/day_06.rs:295:3 [INFO] [stdout] | [INFO] [stdout] 295 | drop(santa_orbits); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&str` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 295 - drop(santa_orbits); [INFO] [stdout] 295 + let _ = santa_orbits; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.18s [INFO] running `Command { std: "docker" "inspect" "c8cda56724c105da9698767875f851f3d40ad3a3c0a02fa6ade46ebb6b262574", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8cda56724c105da9698767875f851f3d40ad3a3c0a02fa6ade46ebb6b262574", kill_on_drop: false }` [INFO] [stdout] c8cda56724c105da9698767875f851f3d40ad3a3c0a02fa6ade46ebb6b262574