[INFO] cloning repository https://github.com/ben-lewington/dials
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ben-lewington/dials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-lewington%2Fdials", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-lewington%2Fdials'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bed0f22e019db64ee02d84124269be64ca0eaec8
[INFO] checking ben-lewington/dials against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-lewington%2Fdials" "/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/ben-lewington/dials
[INFO] finished tweaking git repo https://github.com/ben-lewington/dials
[INFO] tweaked toml for git repo https://github.com/ben-lewington/dials written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ben-lewington/dials 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/ben-lewington/dials 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] a4db865121042606a75f0158337f45f1bf01de5e5eedfffa7c74bd7520a87606
[INFO] running `Command { std: "docker" "start" "a4db865121042606a75f0158337f45f1bf01de5e5eedfffa7c74bd7520a87606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4db865121042606a75f0158337f45f1bf01de5e5eedfffa7c74bd7520a87606", 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" "a4db865121042606a75f0158337f45f1bf01de5e5eedfffa7c74bd7520a87606" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4db865121042606a75f0158337f45f1bf01de5e5eedfffa7c74bd7520a87606", 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" "a4db865121042606a75f0158337f45f1bf01de5e5eedfffa7c74bd7520a87606" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking dials-modulo v0.1.0 (/opt/rustwide/workdir/dials-modulo)
[INFO] [stdout] warning: trait `NatContainer` is never used
[INFO] [stdout]  --> dials-modulo/src/container_impl.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait NatContainer: Sized {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NatContainer` is never used
[INFO] [stdout]  --> dials-modulo/src/container_impl.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait NatContainer: Sized {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.48
[INFO] [stderr]     Checking dials-macros v0.1.0 (/opt/rustwide/workdir/dials-macros)
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]   --> dials-macros/src/spec/parse.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |                     name.span().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] 30 -                     name.span().into(),
[INFO] [stdout] 30 +                     name.span(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 30 -                     name.span().into(),
[INFO] [stdout] 30 +                     <proc_macro2::Span as Into<_>>::into(name.span()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]   --> dials-macros/src/spec/parse.rs:50:41
[INFO] [stdout]    |
[INFO] [stdout] 50 | ...                   ty.span().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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 50 -                                         ty.span().into(),
[INFO] [stdout] 50 +                                         ty.span(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 50 -                                         ty.span().into(),
[INFO] [stdout] 50 +                                         <proc_macro2::Span as Into<_>>::into(ty.span()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]   --> dials-macros/src/spec/parse.rs:66:41
[INFO] [stdout]    |
[INFO] [stdout] 66 | ...                   ty.span().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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 66 -                                         ty.span().into(),
[INFO] [stdout] 66 +                                         ty.span(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 66 -                                         ty.span().into(),
[INFO] [stdout] 66 +                                         <proc_macro2::Span as Into<_>>::into(ty.span()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]   --> dials-macros/src/spec/parse.rs:75:33
[INFO] [stdout]    |
[INFO] [stdout] 75 | ...                   ty.span().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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 75 -                                 ty.span().into(),
[INFO] [stdout] 75 +                                 ty.span(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 75 -                                 ty.span().into(),
[INFO] [stdout] 75 +                                 <proc_macro2::Span as Into<_>>::into(ty.span()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dials-macros` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]   --> dials-macros/src/spec/parse.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |                     name.span().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] 30 -                     name.span().into(),
[INFO] [stdout] 30 +                     name.span(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 30 -                     name.span().into(),
[INFO] [stdout] 30 +                     <proc_macro2::Span as Into<_>>::into(name.span()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]   --> dials-macros/src/spec/parse.rs:50:41
[INFO] [stdout]    |
[INFO] [stdout] 50 | ...                   ty.span().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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 50 -                                         ty.span().into(),
[INFO] [stdout] 50 +                                         ty.span(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 50 -                                         ty.span().into(),
[INFO] [stdout] 50 +                                         <proc_macro2::Span as Into<_>>::into(ty.span()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]   --> dials-macros/src/spec/parse.rs:66:41
[INFO] [stdout]    |
[INFO] [stdout] 66 | ...                   ty.span().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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 66 -                                         ty.span().into(),
[INFO] [stdout] 66 +                                         ty.span(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 66 -                                         ty.span().into(),
[INFO] [stdout] 66 +                                         <proc_macro2::Span as Into<_>>::into(ty.span()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]   --> dials-macros/src/spec/parse.rs:75:33
[INFO] [stdout]    |
[INFO] [stdout] 75 | ...                   ty.span().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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 75 -                                 ty.span().into(),
[INFO] [stdout] 75 +                                 ty.span(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 75 -                                 ty.span().into(),
[INFO] [stdout] 75 +                                 <proc_macro2::Span as Into<_>>::into(ty.span()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dials-macros` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "a4db865121042606a75f0158337f45f1bf01de5e5eedfffa7c74bd7520a87606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4db865121042606a75f0158337f45f1bf01de5e5eedfffa7c74bd7520a87606", kill_on_drop: false }`
[INFO] [stdout] a4db865121042606a75f0158337f45f1bf01de5e5eedfffa7c74bd7520a87606
