[INFO] fetching crate parse_arg 1.0.1...
[INFO] checking parse_arg-1.0.1 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate parse_arg 1.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate parse_arg 1.0.1
[INFO] finished tweaking crates.io crate parse_arg 1.0.1
[INFO] tweaked toml for crates.io crate parse_arg 1.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate parse_arg 1.0.1 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 crates.io crate parse_arg 1.0.1 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] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while 2021 is compatible with `rust-version`
[INFO] [stderr] warning: `parse_arg` (manifest) generated 1 warning
[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] be7c76d1ddee3413dbf5ff20d30130830a6d357643b04e9eeee089d4e07787de
[INFO] running `Command { std: "docker" "start" "be7c76d1ddee3413dbf5ff20d30130830a6d357643b04e9eeee089d4e07787de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be7c76d1ddee3413dbf5ff20d30130830a6d357643b04e9eeee089d4e07787de", 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" "be7c76d1ddee3413dbf5ff20d30130830a6d357643b04e9eeee089d4e07787de" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be7c76d1ddee3413dbf5ff20d30130830a6d357643b04e9eeee089d4e07787de", 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" "be7c76d1ddee3413dbf5ff20d30130830a6d357643b04e9eeee089d4e07787de" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while 2021 is compatible with `rust-version`
[INFO] [stderr] warning: `parse_arg` (manifest) generated 1 warning
[INFO] [stderr]     Checking parse_arg v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::f32::MIN`: replaced by the `MIN` associated constant on `f32`
[INFO] [stdout]    --> src/lib.rs:546:90
[INFO] [stdout]     |
[INFO] [stdout] 541 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 546 |                     write!(writer, "a real number at least {} and up to {}", std::$type::MIN, std::$type::MAX)
[INFO] [stdout]     |                                                                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 559 | impl_float! { f32, f64 }
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::MAX`: replaced by the `MAX` associated constant on `f32`
[INFO] [stdout]    --> src/lib.rs:546:107
[INFO] [stdout]     |
[INFO] [stdout] 541 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 546 |                     write!(writer, "a real number at least {} and up to {}", std::$type::MIN, std::$type::MAX)
[INFO] [stdout]     |                                                                                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 559 | impl_float! { f32, f64 }
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MIN`: replaced by the `MIN` associated constant on `f64`
[INFO] [stdout]    --> src/lib.rs:546:90
[INFO] [stdout]     |
[INFO] [stdout] 541 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 546 |                     write!(writer, "a real number at least {} and up to {}", std::$type::MIN, std::$type::MAX)
[INFO] [stdout]     |                                                                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 559 | impl_float! { f32, f64 }
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MAX`: replaced by the `MAX` associated constant on `f64`
[INFO] [stdout]    --> src/lib.rs:546:107
[INFO] [stdout]     |
[INFO] [stdout] 541 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 546 |                     write!(writer, "a real number at least {} and up to {}", std::$type::MIN, std::$type::MAX)
[INFO] [stdout]     |                                                                                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 559 | impl_float! { f32, f64 }
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::MIN`: replaced by the `MIN` associated constant on `f32`
[INFO] [stdout]    --> src/lib.rs:546:90
[INFO] [stdout]     |
[INFO] [stdout] 541 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 546 |                     write!(writer, "a real number at least {} and up to {}", std::$type::MIN, std::$type::MAX)
[INFO] [stdout]     |                                                                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 559 | impl_float! { f32, f64 }
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f32::MAX`: replaced by the `MAX` associated constant on `f32`
[INFO] [stdout]    --> src/lib.rs:546:107
[INFO] [stdout]     |
[INFO] [stdout] 541 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 546 |                     write!(writer, "a real number at least {} and up to {}", std::$type::MIN, std::$type::MAX)
[INFO] [stdout]     |                                                                                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 559 | impl_float! { f32, f64 }
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MIN`: replaced by the `MIN` associated constant on `f64`
[INFO] [stdout]    --> src/lib.rs:546:90
[INFO] [stdout]     |
[INFO] [stdout] 541 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 546 |                     write!(writer, "a real number at least {} and up to {}", std::$type::MIN, std::$type::MAX)
[INFO] [stdout]     |                                                                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 559 | impl_float! { f32, f64 }
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::MAX`: replaced by the `MAX` associated constant on `f64`
[INFO] [stdout]    --> src/lib.rs:546:107
[INFO] [stdout]     |
[INFO] [stdout] 541 | macro_rules! impl_float {
[INFO] [stdout] ...
[INFO] [stdout] 546 |                     write!(writer, "a real number at least {} and up to {}", std::$type::MIN, std::$type::MAX)
[INFO] [stdout]     |                                                                                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 559 | impl_float! { f32, f64 }
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ParseArgError<!>`
[INFO] [stdout]    --> src/lib.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         arg.to_str().ok_or(ParseArgError::InvalidUtf8).map(Into::into).map_err(Into::into)
[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] 278 -         arg.to_str().ok_or(ParseArgError::InvalidUtf8).map(Into::into).map_err(Into::into)
[INFO] [stdout] 278 +         arg.to_str().ok_or(ParseArgError::InvalidUtf8).map(Into::into)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parse_arg` (lib) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `ParseArgError<!>`
[INFO] [stdout]    --> src/lib.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         arg.to_str().ok_or(ParseArgError::InvalidUtf8).map(Into::into).map_err(Into::into)
[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] 278 -         arg.to_str().ok_or(ParseArgError::InvalidUtf8).map(Into::into).map_err(Into::into)
[INFO] [stdout] 278 +         arg.to_str().ok_or(ParseArgError::InvalidUtf8).map(Into::into)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parse_arg` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "be7c76d1ddee3413dbf5ff20d30130830a6d357643b04e9eeee089d4e07787de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7c76d1ddee3413dbf5ff20d30130830a6d357643b04e9eeee089d4e07787de", kill_on_drop: false }`
[INFO] [stdout] be7c76d1ddee3413dbf5ff20d30130830a6d357643b04e9eeee089d4e07787de
