[INFO] cloning repository https://github.com/barneyb/rust_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/barneyb/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarneyb%2Frust_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarneyb%2Frust_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9ff637fcacf34ec7e124634a3952c852e1eadf33 [INFO] checking barneyb/rust_playground against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarneyb%2Frust_playground" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/barneyb/rust_playground [INFO] finished tweaking git repo https://github.com/barneyb/rust_playground [INFO] tweaked toml for git repo https://github.com/barneyb/rust_playground written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/barneyb/rust_playground on toolchain f21fbac535ab2c3bc50db20547f4d48477357103 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/barneyb/rust_playground 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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1213a7a3c25536bbf9abc0efa2500cfca42d77dc767766f2d831ad9ab61f5141 [INFO] running `Command { std: "docker" "start" "-a" "1213a7a3c25536bbf9abc0efa2500cfca42d77dc767766f2d831ad9ab61f5141", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1213a7a3c25536bbf9abc0efa2500cfca42d77dc767766f2d831ad9ab61f5141", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1213a7a3c25536bbf9abc0efa2500cfca42d77dc767766f2d831ad9ab61f5141", kill_on_drop: false }` [INFO] [stdout] 1213a7a3c25536bbf9abc0efa2500cfca42d77dc767766f2d831ad9ab61f5141 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6c816bad8074321a368d7626567328e1e6b50da45719dd201dfd3d5dd27c947 [INFO] running `Command { std: "docker" "start" "-a" "c6c816bad8074321a368d7626567328e1e6b50da45719dd201dfd3d5dd27c947", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Dir` and `Turn` [INFO] [stdout] --> src/aoc_2019_15/mod.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::geom2d::{Dir, Turn}; [INFO] [stdout] | ^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Processor` and `Program` [INFO] [stdout] --> src/aoc_2019_15/mod.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::intcode::{Processor, Program}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BW::*` and `BW` [INFO] [stdout] --> src/aoc_2019_15/mod.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::plane::{Plane, BW, BW::*, ToChar}; [INFO] [stdout] | ^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Dir` and `Turn` [INFO] [stdout] --> src/aoc_2019_15/mod.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::geom2d::{Dir, Turn}; [INFO] [stdout] | ^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Processor` and `Program` [INFO] [stdout] --> src/aoc_2019_15/mod.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::intcode::{Processor, Program}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BW::*` and `BW` [INFO] [stdout] --> src/aoc_2019_15/mod.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::plane::{Plane, BW, BW::*, ToChar}; [INFO] [stdout] | ^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prog` [INFO] [stdout] --> src/aoc_2019_15/mod.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let prog = intcode::read_from_file(filename); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_prog` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/aoc_2019_15/mod.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut pos = Point::origin(); [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: field `settings` is never read [INFO] [stdout] --> src/aoc_2019_07/mod.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 32 | struct OptimalPhaseSettings { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 33 | settings: PhaseSettings, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OptimalPhaseSettings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Wall` and `Visited` are never constructed [INFO] [stdout] --> src/aoc_2019_15/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 8 | enum Markers { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 11 | Wall, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | Visited, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/aoc_2019_08/mod.rs:77:22 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn get_layer(&self, i: usize) -> Layer { [INFO] [stdout] | ^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 77 | pub fn get_layer(&self, i: usize) -> Layer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/aoc_2019_08/mod.rs:86:19 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn layers(&self) -> Layers { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 86 | pub fn layers(&self) -> Layers<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prog` [INFO] [stdout] --> src/aoc_2019_15/mod.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let prog = intcode::read_from_file(filename); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_prog` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/aoc_2019_15/mod.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut pos = Point::origin(); [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: variants `Wall` and `Visited` are never constructed [INFO] [stdout] --> src/aoc_2019_15/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 8 | enum Markers { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 11 | Wall, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | Visited, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/aoc_2019_08/mod.rs:77:22 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn get_layer(&self, i: usize) -> Layer { [INFO] [stdout] | ^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 77 | pub fn get_layer(&self, i: usize) -> Layer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/aoc_2019_08/mod.rs:86:19 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn layers(&self) -> Layers { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 86 | pub fn layers(&self) -> Layers<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.56s [INFO] running `Command { std: "docker" "inspect" "c6c816bad8074321a368d7626567328e1e6b50da45719dd201dfd3d5dd27c947", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6c816bad8074321a368d7626567328e1e6b50da45719dd201dfd3d5dd27c947", kill_on_drop: false }` [INFO] [stdout] c6c816bad8074321a368d7626567328e1e6b50da45719dd201dfd3d5dd27c947