[INFO] cloning repository https://github.com/Troels51/connect4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Troels51/connect4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTroels51%2Fconnect4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTroels51%2Fconnect4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0b205de1b9d40722bf69775b659302fc1dc80413 [INFO] checking Troels51/connect4 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTroels51%2Fconnect4" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Troels51/connect4 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Troels51/connect4 [INFO] finished tweaking git repo https://github.com/Troels51/connect4 [INFO] tweaked toml for git repo https://github.com/Troels51/connect4 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/Troels51/connect4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_with v1.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7961298071a13905fa154467e1202c6e6d69b139fbaa86759d91a49f6312288e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7961298071a13905fa154467e1202c6e6d69b139fbaa86759d91a49f6312288e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7961298071a13905fa154467e1202c6e6d69b139fbaa86759d91a49f6312288e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7961298071a13905fa154467e1202c6e6d69b139fbaa86759d91a49f6312288e", kill_on_drop: false }` [INFO] [stdout] 7961298071a13905fa154467e1202c6e6d69b139fbaa86759d91a49f6312288e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1a8f8b60895e32286e047677dc274fa3b0f931352705a76fc88b026ae99881aa [INFO] running `Command { std: "docker" "start" "-a" "1a8f8b60895e32286e047677dc274fa3b0f931352705a76fc88b026ae99881aa", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.68 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling rustversion v1.0.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling darling_core v0.12.2 [INFO] [stderr] Compiling darling_macro v0.12.2 [INFO] [stderr] Compiling darling v0.12.2 [INFO] [stderr] Compiling serde_with_macros v1.4.1 [INFO] [stderr] Checking serde v1.0.125 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking serde_with v1.8.0 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking connect4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `convert::TryInto` [INFO] [stdout] --> src/connect/connect.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{convert::TryInto, fmt, str::FromStr}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `convert::TryInto` [INFO] [stdout] --> src/connect/connect.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{convert::TryInto, fmt, str::FromStr}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `row` [INFO] [stdout] --> src/connect/connect.rs:105:5 [INFO] [stdout] | [INFO] [stdout] 105 | row: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `column` [INFO] [stdout] --> src/connect/connect.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 106 | column: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/connect/connect.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | write!(f, "\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `row` [INFO] [stdout] --> src/connect/connect.rs:105:5 [INFO] [stdout] | [INFO] [stdout] 105 | row: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `column` [INFO] [stdout] --> src/connect/connect.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 106 | column: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/connect/connect.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | write!(f, "\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/connect/connect.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | write!(f, "| {} ", column); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/connect/connect.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | write!(f, "|"); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/connect/connect.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | write!(f, "| {} ", column); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/connect/connect.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | write!(f, "|"); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `Path`, `fs::File`, `self`, `str::FromStr` [INFO] [stdout] --> tests/solver_bench.rs:8:29 [INFO] [stdout] | [INFO] [stdout] 8 | use std::{error::Error, fs::File, io::{self, BufRead}, path::{Path, PathBuf}, str::FromStr}; [INFO] [stdout] | ^^^^^^^^ ^^^^ ^^^^^^^ ^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `csv::Reader` [INFO] [stdout] --> tests/solver_bench.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | use csv::Reader; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserializer`, `Visitor`, `self` [INFO] [stdout] --> tests/solver_bench.rs:12:30 [INFO] [stdout] | [INFO] [stdout] 12 | use serde::{Deserialize, Deserializer, de::{self, Visitor}}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> tests/solver_bench.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/game.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut b: Board = Board::new(); [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: function is never used: `get_input` [INFO] [stdout] --> src/bin/game.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn get_input() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/game.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut b: Board = Board::new(); [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: function is never used: `get_input` [INFO] [stdout] --> src/bin/game.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn get_input() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/solver_bench.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut rdr = csv::ReaderBuilder::new() [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.77s [INFO] running `Command { std: "docker" "inspect" "1a8f8b60895e32286e047677dc274fa3b0f931352705a76fc88b026ae99881aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a8f8b60895e32286e047677dc274fa3b0f931352705a76fc88b026ae99881aa", kill_on_drop: false }` [INFO] [stdout] 1a8f8b60895e32286e047677dc274fa3b0f931352705a76fc88b026ae99881aa