[INFO] cloning repository https://github.com/mohe2015/my-language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mohe2015/my-language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohe2015%2Fmy-language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohe2015%2Fmy-language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 711df22ad7396bcdcef940e96fdd02f14a764912
[INFO] checking mohe2015/my-language against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohe2015%2Fmy-language" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mohe2015/my-language on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mohe2015/my-language
[INFO] finished tweaking git repo https://github.com/mohe2015/my-language
[INFO] tweaked toml for git repo https://github.com/mohe2015/my-language written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mohe2015/my-language 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b13c63fed7baf0b944e6f4043f366d9310c9645a70a07eddfd0ed704c42c9cf
[INFO] running `Command { std: "docker" "start" "-a" "2b13c63fed7baf0b944e6f4043f366d9310c9645a70a07eddfd0ed704c42c9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b13c63fed7baf0b944e6f4043f366d9310c9645a70a07eddfd0ed704c42c9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b13c63fed7baf0b944e6f4043f366d9310c9645a70a07eddfd0ed704c42c9cf", kill_on_drop: false }`
[INFO] [stdout] 2b13c63fed7baf0b944e6f4043f366d9310c9645a70a07eddfd0ed704c42c9cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69e38692c4e8acf8656a21264a27e591e1504125e8b6d4a59dd4a19766dc2ef6
[INFO] running `Command { std: "docker" "start" "-a" "69e38692c4e8acf8656a21264a27e591e1504125e8b6d4a59dd4a19766dc2ef6", kill_on_drop: false }`
[INFO] [stderr]     Checking my-language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parse`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ast::{parse, parse_toplevel};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ast::{parse, parse_toplevel};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nodes`
[INFO] [stdout]   --> src/ast.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 |             NodeInner::List(nodes) => panic!(),
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_nodes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> src/eval.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Value::OrInstance { typ, value } => value,
[INFO] [stdout]    |                                 ^^^ help: try ignoring the field: `typ: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/eval.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 Value::AndType(items) => {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/eval.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Value::OrType(items) => {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> src/eval.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 Value::OrInstance { typ, value } => todo!(),
[INFO] [stdout]    |                                     ^^^ help: try ignoring the field: `typ: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/eval.rs:96:42
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 Value::OrInstance { typ, value } => todo!(),
[INFO] [stdout]    |                                          ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> src/eval.rs:97:38
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Value::AndInstance { typ, value } => todo!(),
[INFO] [stdout]    |                                      ^^^ help: try ignoring the field: `typ: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/eval.rs:97:43
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Value::AndInstance { typ, value } => todo!(),
[INFO] [stdout]    |                                           ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]    --> src/eval.rs:157:49
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     if let Value::AndInstance { typ, value } = value {
[INFO] [stdout]     |                                                 ^^^ help: try ignoring the field: `typ: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nodes`
[INFO] [stdout]    --> src/eval.rs:126:53
[INFO] [stdout]     |
[INFO] [stdout] 126 | ...                   NodeInner::List(nodes) => todo!(),
[INFO] [stdout]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_nodes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nodes`
[INFO] [stdout]    --> src/eval.rs:136:53
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...                   NodeInner::List(nodes) => todo!(),
[INFO] [stdout]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_nodes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nodes`
[INFO] [stdout]   --> src/ast.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 |             NodeInner::List(nodes) => panic!(),
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_nodes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> src/eval.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Value::OrInstance { typ, value } => value,
[INFO] [stdout]    |                                 ^^^ help: try ignoring the field: `typ: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/eval.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 Value::AndType(items) => {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/eval.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Value::OrType(items) => {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> src/eval.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 Value::OrInstance { typ, value } => todo!(),
[INFO] [stdout]    |                                     ^^^ help: try ignoring the field: `typ: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/eval.rs:96:42
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 Value::OrInstance { typ, value } => todo!(),
[INFO] [stdout]    |                                          ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> src/eval.rs:97:38
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Value::AndInstance { typ, value } => todo!(),
[INFO] [stdout]    |                                      ^^^ help: try ignoring the field: `typ: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/eval.rs:97:43
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Value::AndInstance { typ, value } => todo!(),
[INFO] [stdout]    |                                           ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]    --> src/eval.rs:157:49
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     if let Value::AndInstance { typ, value } = value {
[INFO] [stdout]     |                                                 ^^^ help: try ignoring the field: `typ: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nodes`
[INFO] [stdout]    --> src/eval.rs:126:53
[INFO] [stdout]     |
[INFO] [stdout] 126 | ...                   NodeInner::List(nodes) => todo!(),
[INFO] [stdout]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_nodes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nodes`
[INFO] [stdout]    --> src/eval.rs:136:53
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...                   NodeInner::List(nodes) => todo!(),
[INFO] [stdout]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_nodes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]  --> src/eval.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Type<'a> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]  --> src/eval.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Type<'a> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "69e38692c4e8acf8656a21264a27e591e1504125e8b6d4a59dd4a19766dc2ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e38692c4e8acf8656a21264a27e591e1504125e8b6d4a59dd4a19766dc2ef6", kill_on_drop: false }`
[INFO] [stdout] 69e38692c4e8acf8656a21264a27e591e1504125e8b6d4a59dd4a19766dc2ef6