[INFO] fetching crate no_std_io 0.6.0...
[INFO] checking no_std_io-0.6.0 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate no_std_io 0.6.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate no_std_io 0.6.0
[INFO] finished tweaking crates.io crate no_std_io 0.6.0
[INFO] tweaked toml for crates.io crate no_std_io 0.6.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate no_std_io 0.6.0 on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to highest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 20957db5223a41894e75b6cf569fbac973d6a7c0b5d1460f93e24c5f9352956c
[INFO] running `Command { std: "docker" "start" "20957db5223a41894e75b6cf569fbac973d6a7c0b5d1460f93e24c5f9352956c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20957db5223a41894e75b6cf569fbac973d6a7c0b5d1460f93e24c5f9352956c", 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" "20957db5223a41894e75b6cf569fbac973d6a7c0b5d1460f93e24c5f9352956c" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20957db5223a41894e75b6cf569fbac973d6a7c0b5d1460f93e24c5f9352956c", 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" "20957db5223a41894e75b6cf569fbac973d6a7c0b5d1460f93e24c5f9352956c" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking no_std_io v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `&str` no_std_io
[INFO] [stdout]    --> src/io/error.rs:295:26
[INFO] [stdout]     |
[INFO] [stdout] 295 |         Self::_new(kind, error.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] 295 -         Self::_new(kind, error.into())
[INFO] [stdout] 295 +         Self::_new(kind, error)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 295 -         Self::_new(kind, error.into())
[INFO] [stdout] 295 +         Self::_new(kind, <&str as Into<_>>::into(error))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str` no_std_io
[INFO] [stdout]    --> src/io/error.rs:295:26
[INFO] [stdout]     |
[INFO] [stdout] 295 |         Self::_new(kind, error.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] 295 -         Self::_new(kind, error.into())
[INFO] [stdout] 295 +         Self::_new(kind, error)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 295 -         Self::_new(kind, error.into())
[INFO] [stdout] 295 +         Self::_new(kind, <&str as Into<_>>::into(error))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `no_std_io` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `no_std_io` (lib) due to 1 previous error
[INFO] [stderr] warning: unused dependency `memchr`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.memchr]
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `memchr`
[INFO] [stderr] warning: `no_std_io` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "20957db5223a41894e75b6cf569fbac973d6a7c0b5d1460f93e24c5f9352956c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20957db5223a41894e75b6cf569fbac973d6a7c0b5d1460f93e24c5f9352956c", kill_on_drop: false }`
[INFO] [stdout] 20957db5223a41894e75b6cf569fbac973d6a7c0b5d1460f93e24c5f9352956c
