[INFO] cloning repository https://github.com/Squshy/chop-db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Squshy/chop-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSqushy%2Fchop-db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSqushy%2Fchop-db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d094540b7a78626ae7b60b747f7fe069ab494f9
[INFO] checking Squshy/chop-db against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSqushy%2Fchop-db" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Squshy/chop-db
[INFO] finished tweaking git repo https://github.com/Squshy/chop-db
[INFO] tweaked toml for git repo https://github.com/Squshy/chop-db written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Squshy/chop-db on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Squshy/chop-db 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5d69ceec60c21a79e7ace6d7c3999c3a49b9b935f642a0e11db5c64a7d03eabd
[INFO] running `Command { std: "docker" "start" "5d69ceec60c21a79e7ace6d7c3999c3a49b9b935f642a0e11db5c64a7d03eabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d69ceec60c21a79e7ace6d7c3999c3a49b9b935f642a0e11db5c64a7d03eabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5d69ceec60c21a79e7ace6d7c3999c3a49b9b935f642a0e11db5c64a7d03eabd" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d69ceec60c21a79e7ace6d7c3999c3a49b9b935f642a0e11db5c64a7d03eabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5d69ceec60c21a79e7ace6d7c3999c3a49b9b935f642a0e11db5c64a7d03eabd" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking pin-project-lite v0.2.13
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[INFO] [stderr]    Compiling futures-task v0.3.29
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[INFO] [stderr]    Compiling rustversion v1.0.14
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[INFO] [stderr]    Compiling bitflags v2.4.1
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[INFO] [stderr]     Checking transactions v0.1.0 (/opt/rustwide/workdir/exercises/transactions)
[INFO] [stdout] warning: field `action` is never read
[INFO] [stdout]   --> exercises/transactions/src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Command {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 31 |     action: Action,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&String`
[INFO] [stdout]   --> exercises/transactions/src/db.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.store.get(key.into()).cloned()
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 55 -         self.store.get(key.into()).cloned()
[INFO] [stdout] 55 +         self.store.get(key).cloned()
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 55 -         self.store.get(key.into()).cloned()
[INFO] [stdout] 55 +         self.store.get(<&String as Into<_>>::into(key)).cloned()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `transactions` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: enum `Action` is never used
[INFO] [stdout]  --> exercises/transactions/src/lib.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Action {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]   --> exercises/transactions/src/lib.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Command {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&String`
[INFO] [stdout]   --> exercises/transactions/src/db.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.store.get(key.into()).cloned()
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 55 -         self.store.get(key.into()).cloned()
[INFO] [stdout] 55 +         self.store.get(key).cloned()
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 55 -         self.store.get(key.into()).cloned()
[INFO] [stdout] 55 +         self.store.get(<&String as Into<_>>::into(key)).cloned()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `transactions` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5d69ceec60c21a79e7ace6d7c3999c3a49b9b935f642a0e11db5c64a7d03eabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d69ceec60c21a79e7ace6d7c3999c3a49b9b935f642a0e11db5c64a7d03eabd", kill_on_drop: false }`
[INFO] [stdout] 5d69ceec60c21a79e7ace6d7c3999c3a49b9b935f642a0e11db5c64a7d03eabd