[INFO] cloning repository https://github.com/CeluchNB/config_db [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CeluchNB/config_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeluchNB%2Fconfig_db", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeluchNB%2Fconfig_db'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f4946f4d37a4b08bfde1d381d654a60d6428013b [INFO] checking CeluchNB/config_db against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeluchNB%2Fconfig_db" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/CeluchNB/config_db [INFO] finished tweaking git repo https://github.com/CeluchNB/config_db [INFO] tweaked toml for git repo https://github.com/CeluchNB/config_db written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/CeluchNB/config_db on toolchain 52995a223f2919dd3e2e427231db90a257350ded [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/CeluchNB/config_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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 392a0035e6b569dfa619685b829c79b3439450ea5a24ff778b8dd15e2f7b7701 [INFO] running `Command { std: "docker" "start" "392a0035e6b569dfa619685b829c79b3439450ea5a24ff778b8dd15e2f7b7701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "392a0035e6b569dfa619685b829c79b3439450ea5a24ff778b8dd15e2f7b7701", 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" "392a0035e6b569dfa619685b829c79b3439450ea5a24ff778b8dd15e2f7b7701" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "392a0035e6b569dfa619685b829c79b3439450ea5a24ff778b8dd15e2f7b7701", 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" "392a0035e6b569dfa619685b829c79b3439450ea5a24ff778b8dd15e2f7b7701" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Checking config_db v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `memtable_to_disk` is never used [INFO] [stdout] --> src/operations/insert.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl<'a> Insert<'a> { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 79 | fn memtable_to_disk() -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: `std::io::Error` [INFO] [stdout] --> src/main.rs:63:38 [INFO] [stdout] | [INFO] [stdout] 63 | Err(e) => return Err(e.into()), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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] 63 - Err(e) => return Err(e.into()), [INFO] [stdout] 63 + Err(e) => return Err(e), [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 63 - Err(e) => return Err(e.into()), [INFO] [stdout] 63 + Err(e) => return Err(>::into(e)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `config_db` (bin "config_db") due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: associated function `memtable_to_disk` is never used [INFO] [stdout] --> src/operations/insert.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl<'a> Insert<'a> { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 79 | fn memtable_to_disk() -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: `std::io::Error` [INFO] [stdout] --> src/main.rs:63:38 [INFO] [stdout] | [INFO] [stdout] 63 | Err(e) => return Err(e.into()), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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] 63 - Err(e) => return Err(e.into()), [INFO] [stdout] 63 + Err(e) => return Err(e), [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 63 - Err(e) => return Err(e.into()), [INFO] [stdout] 63 + Err(e) => return Err(>::into(e)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `config_db` (bin "config_db" test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "392a0035e6b569dfa619685b829c79b3439450ea5a24ff778b8dd15e2f7b7701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "392a0035e6b569dfa619685b829c79b3439450ea5a24ff778b8dd15e2f7b7701", kill_on_drop: false }` [INFO] [stdout] 392a0035e6b569dfa619685b829c79b3439450ea5a24ff778b8dd15e2f7b7701