[INFO] cloning repository https://github.com/Xiao-Suda/codegen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xiao-Suda/codegen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiao-Suda%2Fcodegen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiao-Suda%2Fcodegen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c26c310c8c147fcff89d4a6b8798eada102d0d0e
[INFO] checking Xiao-Suda/codegen against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiao-Suda%2Fcodegen" "/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/Xiao-Suda/codegen
[INFO] finished tweaking git repo https://github.com/Xiao-Suda/codegen
[INFO] tweaked toml for git repo https://github.com/Xiao-Suda/codegen written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Xiao-Suda/codegen on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Xiao-Suda/codegen 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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 35d3c7c87f1ce669f62899f17faccb541b41671e93ff2a72ed36f791a3891e08
[INFO] running `Command { std: "docker" "start" "35d3c7c87f1ce669f62899f17faccb541b41671e93ff2a72ed36f791a3891e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35d3c7c87f1ce669f62899f17faccb541b41671e93ff2a72ed36f791a3891e08", 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" "35d3c7c87f1ce669f62899f17faccb541b41671e93ff2a72ed36f791a3891e08" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35d3c7c87f1ce669f62899f17faccb541b41671e93ff2a72ed36f791a3891e08", 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" "35d3c7c87f1ce669f62899f17faccb541b41671e93ff2a72ed36f791a3891e08" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking ron v0.6.6
[INFO] [stderr]     Checking codegen-proj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `none`
[INFO] [stdout]    --> src/cg/mips/stdlib.rs:251:7
[INFO] [stdout]     |
[INFO] [stdout] 251 | #[cfg(none)]
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 34 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(none)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(none)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: found config with similar value
[INFO] [stdout]     |
[INFO] [stdout] 251 - #[cfg(none)]
[INFO] [stdout] 251 + #[cfg(fmt_debug = "none")]
[INFO] [stdout]     |
[INFO] [stdout] help: found config with similar value
[INFO] [stdout]     |
[INFO] [stdout] 251 - #[cfg(none)]
[INFO] [stdout] 251 + #[cfg(target_os = "none")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `none`
[INFO] [stdout]    --> src/cg/mips/stdlib.rs:251:7
[INFO] [stdout]     |
[INFO] [stdout] 251 | #[cfg(none)]
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 34 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(none)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(none)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: found config with similar value
[INFO] [stdout]     |
[INFO] [stdout] 251 - #[cfg(none)]
[INFO] [stdout] 251 + #[cfg(fmt_debug = "none")]
[INFO] [stdout]     |
[INFO] [stdout] help: found config with similar value
[INFO] [stdout]     |
[INFO] [stdout] 251 - #[cfg(none)]
[INFO] [stdout] 251 + #[cfg(target_os = "none")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/exp.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | /         match self.cur() {
[INFO] [stdout] 33 | |
[INFO] [stdout] 34 | |             TokenKind::Minus => {
[INFO] [stdout] 35 | |                 self.next();
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |           return Err(ParseError::bad_expression(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/stmt.rs:61:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         match self.cur() {
[INFO] [stdout] 11 | |
[INFO] [stdout] 12 | |             TokenKind:: LBrace => {
[INFO] [stdout] 13 | |                 return self.parse_block();
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |           return Err(ParseError::bad_statement(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/exp.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | /         match self.cur() {
[INFO] [stdout] 33 | |
[INFO] [stdout] 34 | |             TokenKind::Minus => {
[INFO] [stdout] 35 | |                 self.next();
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |           return Err(ParseError::bad_expression(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/parse/stmt.rs:61:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         match self.cur() {
[INFO] [stdout] 11 | |
[INFO] [stdout] 12 | |             TokenKind:: LBrace => {
[INFO] [stdout] 13 | |                 return self.parse_block();
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |         }
[INFO] [stdout]    | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |           return Err(ParseError::bad_statement(self.loc(), self.cur()));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sem/symtable.rs:335:19
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn all_decls(&self) -> HashIter<NodeId, SymbolId> {
[INFO] [stdout]     |                      ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn all_decls(&self) -> HashIter<'_, NodeId, SymbolId> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sem/symtable.rs:335:19
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn all_decls(&self) -> HashIter<NodeId, SymbolId> {
[INFO] [stdout]     |                      ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn all_decls(&self) -> HashIter<'_, NodeId, SymbolId> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.04s
[INFO] running `Command { std: "docker" "inspect" "35d3c7c87f1ce669f62899f17faccb541b41671e93ff2a72ed36f791a3891e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d3c7c87f1ce669f62899f17faccb541b41671e93ff2a72ed36f791a3891e08", kill_on_drop: false }`
[INFO] [stdout] 35d3c7c87f1ce669f62899f17faccb541b41671e93ff2a72ed36f791a3891e08
