[INFO] cloning repository https://github.com/ijshj10/qasm-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ijshj10/qasm-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijshj10%2Fqasm-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijshj10%2Fqasm-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e330ee3796e4c36a5d8825ed39eecf61d45339cd
[INFO] checking ijshj10/qasm-rs against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijshj10%2Fqasm-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ijshj10/qasm-rs 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/ijshj10/qasm-rs
[INFO] finished tweaking git repo https://github.com/ijshj10/qasm-rs
[INFO] tweaked toml for git repo https://github.com/ijshj10/qasm-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ijshj10/qasm-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ba49cb7bbe51fecd87fb70f0d1fb8f65a0855f450318ff9947f454e6f0b089c2
[INFO] running `Command { std: "docker" "start" "-a" "ba49cb7bbe51fecd87fb70f0d1fb8f65a0855f450318ff9947f454e6f0b089c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba49cb7bbe51fecd87fb70f0d1fb8f65a0855f450318ff9947f454e6f0b089c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba49cb7bbe51fecd87fb70f0d1fb8f65a0855f450318ff9947f454e6f0b089c2", kill_on_drop: false }`
[INFO] [stdout] ba49cb7bbe51fecd87fb70f0d1fb8f65a0855f450318ff9947f454e6f0b089c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3fd3469997d2c082a650c3472feb171cc7d32844f99951461d25e29b2ab2b878
[INFO] running `Command { std: "docker" "start" "-a" "3fd3469997d2c082a650c3472feb171cc7d32844f99951461d25e29b2ab2b878", kill_on_drop: false }`
[INFO] [stderr]     Checking qasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/parse.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if (self.mat(Qreg)) {}
[INFO] [stdout]    |            ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         if (self.mat(Qreg)) {}
[INFO] [stdout] 23 +         if self.mat(Qreg) {}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse::Parser`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use parse::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/parse.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if (self.mat(Qreg)) {}
[INFO] [stdout]    |            ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         if (self.mat(Qreg)) {}
[INFO] [stdout] 23 +         if self.mat(Qreg) {}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse::Parser`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use parse::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/parse.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct Parser {
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `parse`, `statement`, `is_at_end`, `mat`, and `peek` are never used
[INFO] [stdout]   --> src/parse.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Parser {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 12 |     pub(crate) fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub(crate) fn parse(mut self) {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub(crate) fn statement(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn mat(&mut self, token_type: TokenType) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn peek(&self) -> &Token {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AST` is never constructed
[INFO] [stdout]   --> src/parse.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) struct AST {}
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `offset` and `token_type` are never read
[INFO] [stdout]  --> src/token.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) struct Token {
[INFO] [stdout]   |                   ----- fields in this struct
[INFO] [stdout] 3 |     pub(crate) offset: usize,
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] 4 |     pub(crate) token_type: TokenType,
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/parse.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct Parser {
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `parse`, `statement`, `is_at_end`, `mat`, and `peek` are never used
[INFO] [stdout]   --> src/parse.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Parser {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 12 |     pub(crate) fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub(crate) fn parse(mut self) {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub(crate) fn statement(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn mat(&mut self, token_type: TokenType) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn peek(&self) -> &Token {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AST` is never constructed
[INFO] [stdout]   --> src/parse.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) struct AST {}
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `offset` and `token_type` are never read
[INFO] [stdout]  --> src/token.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) struct Token {
[INFO] [stdout]   |                   ----- fields in this struct
[INFO] [stdout] 3 |     pub(crate) offset: usize,
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] 4 |     pub(crate) token_type: TokenType,
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "3fd3469997d2c082a650c3472feb171cc7d32844f99951461d25e29b2ab2b878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd3469997d2c082a650c3472feb171cc7d32844f99951461d25e29b2ab2b878", kill_on_drop: false }`
[INFO] [stdout] 3fd3469997d2c082a650c3472feb171cc7d32844f99951461d25e29b2ab2b878
