[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiao-Suda%2Fcodegen" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xiao-Suda/codegen on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-3-tc1/source/Cargo.toml [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 667918a215d5c297eddf9d2554e0a73cb115045c974c87030acaa51b291efaa6 [INFO] running `Command { std: "docker" "start" "-a" "667918a215d5c297eddf9d2554e0a73cb115045c974c87030acaa51b291efaa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "667918a215d5c297eddf9d2554e0a73cb115045c974c87030acaa51b291efaa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "667918a215d5c297eddf9d2554e0a73cb115045c974c87030acaa51b291efaa6", kill_on_drop: false }` [INFO] [stdout] 667918a215d5c297eddf9d2554e0a73cb115045c974c87030acaa51b291efaa6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5d5b9d78839283c55eb6a2781d23901ba0bab0e852adedfeb4dde0105cd96d5 [INFO] running `Command { std: "docker" "start" "-a" "b5d5b9d78839283c55eb6a2781d23901ba0bab0e852adedfeb4dde0105cd96d5", 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 syn v1.0.98 [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] Checking endian-type v0.1.2 [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Checking utf8parse v0.2.0 [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 atty v0.2.14 [INFO] [stderr] Checking nix v0.20.2 [INFO] [stderr] Checking fd-lock v2.0.0 [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: 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] 49 | | } [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)]` 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] 58 | | } [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] 49 | | } [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)]` 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] 58 | | } [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: value assigned to `fields` is never read [INFO] [stdout] --> src/parse/decl.rs:117:11 [INFO] [stdout] | [INFO] [stdout] 117 | let mut fields = vec![]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `fields` is never read [INFO] [stdout] --> src/parse/decl.rs:117:11 [INFO] [stdout] | [INFO] [stdout] 117 | let mut fields = vec![]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.23s [INFO] running `Command { std: "docker" "inspect" "b5d5b9d78839283c55eb6a2781d23901ba0bab0e852adedfeb4dde0105cd96d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5d5b9d78839283c55eb6a2781d23901ba0bab0e852adedfeb4dde0105cd96d5", kill_on_drop: false }` [INFO] [stdout] b5d5b9d78839283c55eb6a2781d23901ba0bab0e852adedfeb4dde0105cd96d5