[INFO] cloning repository https://github.com/UTFeight/merge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UTFeight/merge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUTFeight%2Fmerge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUTFeight%2Fmerge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ca4bf84fa8d29a7f4330f0d5234d08191d704bd
[INFO] checking UTFeight/merge against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUTFeight%2Fmerge" "/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/UTFeight/merge
[INFO] finished tweaking git repo https://github.com/UTFeight/merge
[INFO] tweaked toml for git repo https://github.com/UTFeight/merge written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/UTFeight/merge on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/UTFeight/merge 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89910949cf39b46f0a506065db63ab6227d828e3615539d0cdf50bff5c45f28a
[INFO] running `Command { std: "docker" "start" "-a" "89910949cf39b46f0a506065db63ab6227d828e3615539d0cdf50bff5c45f28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89910949cf39b46f0a506065db63ab6227d828e3615539d0cdf50bff5c45f28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89910949cf39b46f0a506065db63ab6227d828e3615539d0cdf50bff5c45f28a", kill_on_drop: false }`
[INFO] [stdout] 89910949cf39b46f0a506065db63ab6227d828e3615539d0cdf50bff5c45f28a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98b71d962d0d3c18f6ff7aa948f953b41adecf8cec4136ff36d9f6ac07637887
[INFO] running `Command { std: "docker" "start" "-a" "98b71d962d0d3c18f6ff7aa948f953b41adecf8cec4136ff36d9f6ac07637887", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking bytestring v1.3.0
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]    Compiling example-ffi v0.1.0 (/opt/rustwide/workdir/examples/ffi)
[INFO] [stderr]     Checking merge_proc v0.1.0 (/opt/rustwide/workdir/proc)
[INFO] [stderr]     Checking merge-test v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stdout] error: couldn't read `tests/tests/root.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merge-test` (test "wgpu-tests") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn cpp(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn cpp(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn python(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn java(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn java(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:43:15
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn csharp(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn csharp(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn javascript(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn javascript(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn typescript(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn typescript(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:67:11
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn go(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |           ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:67:30
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn go(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn php(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:75:31
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn php(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn ruby(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:83:32
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn ruby(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn swift(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn swift(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn kotlin(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:98:34
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn kotlin(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]    --> proc/src/lib.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn c(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> proc/src/lib.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn c(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> proc/src/lib.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut output = TokenStream::new();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn cpp(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn cpp(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn python(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn java(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn java(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:43:15
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn csharp(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn csharp(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn javascript(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn javascript(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn typescript(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn typescript(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:67:11
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn go(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |           ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:67:30
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn go(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn php(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:75:31
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn php(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn ruby(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:83:32
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn ruby(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn swift(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn swift(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> proc/src/lib.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn kotlin(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> proc/src/lib.rs:98:34
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn kotlin(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> proc/src/lib.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut output = TokenStream::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]    --> proc/src/lib.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn c(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> proc/src/lib.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn c(attr: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> proc/src/lib.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut output = TokenStream::new();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "98b71d962d0d3c18f6ff7aa948f953b41adecf8cec4136ff36d9f6ac07637887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b71d962d0d3c18f6ff7aa948f953b41adecf8cec4136ff36d9f6ac07637887", kill_on_drop: false }`
[INFO] [stdout] 98b71d962d0d3c18f6ff7aa948f953b41adecf8cec4136ff36d9f6ac07637887