[INFO] cloning repository https://github.com/lhayhurst/rust-prog-lang-2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lhayhurst/rust-prog-lang-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhayhurst%2Frust-prog-lang-2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhayhurst%2Frust-prog-lang-2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c9eaed45b9c259ccd93a18f44eec7942ed02ca1 [INFO] checking lhayhurst/rust-prog-lang-2021 against master#c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 for pr-141352 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhayhurst%2Frust-prog-lang-2021" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lhayhurst/rust-prog-lang-2021 on toolchain c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lhayhurst/rust-prog-lang-2021 [INFO] finished tweaking git repo https://github.com/lhayhurst/rust-prog-lang-2021 [INFO] tweaked toml for git repo https://github.com/lhayhurst/rust-prog-lang-2021 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lhayhurst/rust-prog-lang-2021 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" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 333cb04d9c10cc39f898bde9db3b6857be333b17bbaa107e94fa1d36b57e9125 [INFO] running `Command { std: "docker" "start" "-a" "333cb04d9c10cc39f898bde9db3b6857be333b17bbaa107e94fa1d36b57e9125", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "333cb04d9c10cc39f898bde9db3b6857be333b17bbaa107e94fa1d36b57e9125", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "333cb04d9c10cc39f898bde9db3b6857be333b17bbaa107e94fa1d36b57e9125", kill_on_drop: false }` [INFO] [stdout] 333cb04d9c10cc39f898bde9db3b6857be333b17bbaa107e94fa1d36b57e9125 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f605c87e58f3cc38e31559a5ffbb8d3666d22c28f04920ba5d48e87b8bbf87a9 [INFO] running `Command { std: "docker" "start" "-a" "f605c87e58f3cc38e31559a5ffbb8d3666d22c28f04920ba5d48e87b8bbf87a9", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking day1 v0.1.0 (/opt/rustwide/workdir/aoc2023/day1) [INFO] [stderr] Checking day3 v0.1.0 (/opt/rustwide/workdir/aoc2023/day3) [INFO] [stderr] Checking hashmap v0.1.0 (/opt/rustwide/workdir/chpt8/hashmap) [INFO] [stderr] Checking string v0.1.0 (/opt/rustwide/workdir/chpt8/string) [INFO] [stderr] Checking structs v0.1.0 (/opt/rustwide/workdir/chpt5/structs) [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> aoc2023/day3/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> chpt8/hashmap/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking vec v0.1.0 (/opt/rustwide/workdir/chpt8/vec) [INFO] [stdout] warning: field `format` is never read [INFO] [stdout] --> chpt5/structs/src/lib.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 109 | struct Book { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 110 | isbn: i64, [INFO] [stdout] 111 | format: BookFormat, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Book` 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: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> aoc2023/day1/src/lib.rs:20:30 [INFO] [stdout] | [INFO] [stdout] 20 | ret = ret.replace(key.clone(), val); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> aoc2023/day1/src/lib.rs:20:30 [INFO] [stdout] | [INFO] [stdout] 20 | ret = ret.replace(key.clone(), val); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking slices v0.1.0 (/opt/rustwide/workdir/chpt4/slices) [INFO] [stderr] Checking patterns v0.1.0 (/opt/rustwide/workdir/chpt6/patterns) [INFO] [stdout] warning: function `get_test_schematic` is never used [INFO] [stdout] --> aoc2023/day3/src/lib.rs:161:8 [INFO] [stdout] | [INFO] [stdout] 161 | fn get_test_schematic() -> EngineSchematic { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_alt_test_schematic` is never used [INFO] [stdout] --> aoc2023/day3/src/lib.rs:240:8 [INFO] [stdout] | [INFO] [stdout] 240 | fn get_alt_test_schematic() -> EngineSchematic { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ownership v0.1.0 (/opt/rustwide/workdir/chpt4/ownership) [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> aoc2023/day3/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking enums v0.1.0 (/opt/rustwide/workdir/chpt6/enums) [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir/hello_world) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chpt8/vec/src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let mut v: Vec = Vec::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] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling rstest_macros v0.17.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Checking day2 v0.1.0 (/opt/rustwide/workdir/aoc2023/day2) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> aoc2023/day2/src/lib.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> aoc2023/day2/src/lib.rs:116:1 [INFO] [stdout] | [INFO] [stdout] 116 | mod test_cube_sampler { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> aoc2023/day2/src/lib.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | return panic!("Sample line {} did not start with Game N", input); [INFO] [stdout] | ^^^^^^^--------------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> aoc2023/day2/src/lib.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | return panic!("Sample line {} did not start with Game N", input); [INFO] [stdout] | ^^^^^^^--------------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking rstest v0.17.0 [INFO] [stderr] Checking temp_conversion v0.1.0 (/opt/rustwide/workdir/chpt3/temp_conversion) [INFO] [stderr] Checking fibonacci v0.1.0 (/opt/rustwide/workdir/chpt3/fibonacci) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.08s [INFO] running `Command { std: "docker" "inspect" "f605c87e58f3cc38e31559a5ffbb8d3666d22c28f04920ba5d48e87b8bbf87a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f605c87e58f3cc38e31559a5ffbb8d3666d22c28f04920ba5d48e87b8bbf87a9", kill_on_drop: false }` [INFO] [stdout] f605c87e58f3cc38e31559a5ffbb8d3666d22c28f04920ba5d48e87b8bbf87a9