[INFO] cloning repository https://github.com/Xe/xn--ts9h
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xe/xn--ts9h" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXe%2Fxn--ts9h", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXe%2Fxn--ts9h'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f47257605ca82dee6143509742fd7c04bc65c109
[INFO] checking Xe/xn--ts9h against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXe%2Fxn--ts9h" "/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/Xe/xn--ts9h
[INFO] finished tweaking git repo https://github.com/Xe/xn--ts9h
[INFO] tweaked toml for git repo https://github.com/Xe/xn--ts9h written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Xe/xn--ts9h 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/Xe/xn--ts9h 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] 130ed279f4be4f3810b371432288f664fe05036aea41eb94b48f13a9b22d0db6
[INFO] running `Command { std: "docker" "start" "130ed279f4be4f3810b371432288f664fe05036aea41eb94b48f13a9b22d0db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "130ed279f4be4f3810b371432288f664fe05036aea41eb94b48f13a9b22d0db6", 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" "130ed279f4be4f3810b371432288f664fe05036aea41eb94b48f13a9b22d0db6" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "130ed279f4be4f3810b371432288f664fe05036aea41eb94b48f13a9b22d0db6", 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" "130ed279f4be4f3810b371432288f664fe05036aea41eb94b48f13a9b22d0db6" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]     Checking syslog v6.0.1
[INFO] [stderr]     Checking xn--ts9h v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Err(Command::new(program).args(args).uid(0).gid(0).exec().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] 41 -     Err(Command::new(program).args(args).uid(0).gid(0).exec().into())
[INFO] [stdout] 41 +     Err(Command::new(program).args(args).uid(0).gid(0).exec())
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 41 -     Err(Command::new(program).args(args).uid(0).gid(0).exec().into())
[INFO] [stdout] 41 +     Err(<std::io::Error as Into<_>>::into(Command::new(program).args(args).uid(0).gid(0).exec()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xn--ts9h` (bin "xn--ts9h" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Err(Command::new(program).args(args).uid(0).gid(0).exec().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] 41 -     Err(Command::new(program).args(args).uid(0).gid(0).exec().into())
[INFO] [stdout] 41 +     Err(Command::new(program).args(args).uid(0).gid(0).exec())
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 41 -     Err(Command::new(program).args(args).uid(0).gid(0).exec().into())
[INFO] [stdout] 41 +     Err(<std::io::Error as Into<_>>::into(Command::new(program).args(args).uid(0).gid(0).exec()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xn--ts9h` (bin "xn--ts9h") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "130ed279f4be4f3810b371432288f664fe05036aea41eb94b48f13a9b22d0db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130ed279f4be4f3810b371432288f664fe05036aea41eb94b48f13a9b22d0db6", kill_on_drop: false }`
[INFO] [stdout] 130ed279f4be4f3810b371432288f664fe05036aea41eb94b48f13a9b22d0db6