[INFO] cloning repository https://github.com/blueraft/advent-of-code-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blueraft/advent-of-code-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblueraft%2Fadvent-of-code-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblueraft%2Fadvent-of-code-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 40d0493eb76ff8bb0c210f0804a9d3a9a377cbdb [INFO] building blueraft/advent-of-code-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblueraft%2Fadvent-of-code-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/blueraft/advent-of-code-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/blueraft/advent-of-code-rust [INFO] finished tweaking git repo https://github.com/blueraft/advent-of-code-rust [INFO] tweaked toml for git repo https://github.com/blueraft/advent-of-code-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/blueraft/advent-of-code-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf750866ebe92fadebabc15cb7bc7a8d5a3d5c77eb5d094e6941f92b22abe78e [INFO] running `Command { std: "docker" "start" "-a" "bf750866ebe92fadebabc15cb7bc7a8d5a3d5c77eb5d094e6941f92b22abe78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf750866ebe92fadebabc15cb7bc7a8d5a3d5c77eb5d094e6941f92b22abe78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf750866ebe92fadebabc15cb7bc7a8d5a3d5c77eb5d094e6941f92b22abe78e", kill_on_drop: false }` [INFO] [stdout] bf750866ebe92fadebabc15cb7bc7a8d5a3d5c77eb5d094e6941f92b22abe78e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87c1753d8e3c29ab8bc8bf9435ca6f5a0a70e8c0787430b8c2034233b3ecfa32 [INFO] running `Command { std: "docker" "start" "-a" "87c1753d8e3c29ab8bc8bf9435ca6f5a0a70e8c0787430b8c2034233b3ecfa32", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Compiling itertools v0.12.0 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling rayon v1.8.0 [INFO] [stderr] Compiling advent_of_code v0.9.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around pattern [INFO] [stdout] --> src/bin/07.rs:155:25 [INFO] [stdout] | [INFO] [stdout] 155 | (other) => other, [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 155 - (other) => other, [INFO] [stdout] 155 + other => other, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/bin/06.rs:38:26 [INFO] [stdout] | [INFO] [stdout] 38 | for speed in (0..t) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 38 - for speed in (0..t) { [INFO] [stdout] 38 + for speed in 0..t { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/bin/06.rs:77:18 [INFO] [stdout] | [INFO] [stdout] 77 | for speed in (0..values.0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 77 - for speed in (0..values.0) { [INFO] [stdout] 77 + for speed in 0..values.0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/bin/08.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chars` [INFO] [stdout] --> src/bin/03.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let chars = line_to_check.chars(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chars` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max` [INFO] [stdout] --> src/bin/07.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let max = hand.values().max(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_max` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lines` [INFO] [stdout] --> src/bin/03.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let mut lines = input.lines(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_line_contains_symbol` [INFO] [stdout] --> src/bin/03.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let current_line_contains_symbol = { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_line_contains_symbol` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/03.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let mut lines = input.lines(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/08.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | let mut destinations = nodes [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.25s [INFO] running `Command { std: "docker" "inspect" "87c1753d8e3c29ab8bc8bf9435ca6f5a0a70e8c0787430b8c2034233b3ecfa32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87c1753d8e3c29ab8bc8bf9435ca6f5a0a70e8c0787430b8c2034233b3ecfa32", kill_on_drop: false }` [INFO] [stdout] 87c1753d8e3c29ab8bc8bf9435ca6f5a0a70e8c0787430b8c2034233b3ecfa32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c6f81e2e26442321ec3b8a4d853b658f8f6a21e96966f97d347429185b1a653 [INFO] running `Command { std: "docker" "start" "-a" "2c6f81e2e26442321ec3b8a4d853b658f8f6a21e96966f97d347429185b1a653", kill_on_drop: false }` [INFO] [stderr] Compiling advent_of_code v0.9.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/bin/06.rs:38:26 [INFO] [stdout] | [INFO] [stdout] 38 | for speed in (0..t) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 38 - for speed in (0..t) { [INFO] [stdout] 38 + for speed in 0..t { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/bin/06.rs:77:18 [INFO] [stdout] | [INFO] [stdout] 77 | for speed in (0..values.0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 77 - for speed in (0..values.0) { [INFO] [stdout] 77 + for speed in 0..values.0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around pattern [INFO] [stdout] --> src/bin/07.rs:155:25 [INFO] [stdout] | [INFO] [stdout] 155 | (other) => other, [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 155 - (other) => other, [INFO] [stdout] 155 + other => other, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chars` [INFO] [stdout] --> src/bin/03.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let chars = line_to_check.chars(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chars` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max` [INFO] [stdout] --> src/bin/07.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let max = hand.values().max(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_max` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/bin/08.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lines` [INFO] [stdout] --> src/bin/03.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let mut lines = input.lines(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_line_contains_symbol` [INFO] [stdout] --> src/bin/03.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let current_line_contains_symbol = { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_line_contains_symbol` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/03.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let mut lines = input.lines(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/08.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | let mut destinations = nodes [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "2c6f81e2e26442321ec3b8a4d853b658f8f6a21e96966f97d347429185b1a653", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c6f81e2e26442321ec3b8a4d853b658f8f6a21e96966f97d347429185b1a653", kill_on_drop: false }` [INFO] [stdout] 2c6f81e2e26442321ec3b8a4d853b658f8f6a21e96966f97d347429185b1a653