[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] testing ijshj10/qasm-rs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijshj10%2Fqasm-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ijshj10/qasm-rs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-6/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: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2585cc28abffea25ee65a88f1fe0a6f87c75c011a633554ed38eca9d54f7546c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2585cc28abffea25ee65a88f1fe0a6f87c75c011a633554ed38eca9d54f7546c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2585cc28abffea25ee65a88f1fe0a6f87c75c011a633554ed38eca9d54f7546c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2585cc28abffea25ee65a88f1fe0a6f87c75c011a633554ed38eca9d54f7546c", kill_on_drop: false }`
[INFO] [stdout] 2585cc28abffea25ee65a88f1fe0a6f87c75c011a633554ed38eca9d54f7546c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50cb5a0eb0329588eeb04ad1fdbbfda2393d5f57c924298a3f1ac222ee083939
[INFO] running `Command { std: "docker" "start" "-a" "50cb5a0eb0329588eeb04ad1fdbbfda2393d5f57c924298a3f1ac222ee083939", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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 is never constructed: `Parser`
[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 function is never used: `new`
[INFO] [stdout]   --> src/parse.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub(crate) fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/parse.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn parse(mut self) {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `statement`
[INFO] [stdout]   --> src/parse.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(crate) fn statement(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_at_end`
[INFO] [stdout]   --> src/parse.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mat`
[INFO] [stdout]   --> src/parse.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn mat(&mut self, token_type: TokenType) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/parse.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn peek(&self) -> &Token {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AST`
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "50cb5a0eb0329588eeb04ad1fdbbfda2393d5f57c924298a3f1ac222ee083939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50cb5a0eb0329588eeb04ad1fdbbfda2393d5f57c924298a3f1ac222ee083939", kill_on_drop: false }`
[INFO] [stdout] 50cb5a0eb0329588eeb04ad1fdbbfda2393d5f57c924298a3f1ac222ee083939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d2e8ab265a8c769b94696941589844f15987a705c6d50cc255a4db4827caff8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3d2e8ab265a8c769b94696941589844f15987a705c6d50cc255a4db4827caff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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 is never constructed: `Parser`
[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 function is never used: `new`
[INFO] [stdout]   --> src/parse.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub(crate) fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/parse.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn parse(mut self) {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `statement`
[INFO] [stdout]   --> src/parse.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(crate) fn statement(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_at_end`
[INFO] [stdout]   --> src/parse.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mat`
[INFO] [stdout]   --> src/parse.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn mat(&mut self, token_type: TokenType) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/parse.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn peek(&self) -> &Token {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AST`
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "3d2e8ab265a8c769b94696941589844f15987a705c6d50cc255a4db4827caff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2e8ab265a8c769b94696941589844f15987a705c6d50cc255a4db4827caff8", kill_on_drop: false }`
[INFO] [stdout] 3d2e8ab265a8c769b94696941589844f15987a705c6d50cc255a4db4827caff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7202001ed3d02d9b652e2ca52b56a695eabb76bf10b8b4d02aef788f88696a3d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7202001ed3d02d9b652e2ca52b56a695eabb76bf10b8b4d02aef788f88696a3d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/parse.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |         if (self.mat(Qreg)) {}
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parse::Parser`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use parse::Parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]  --> src/parse.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub(crate) struct Parser {
[INFO] [stderr]   |                   ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/parse.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub(crate) fn new(tokens: Vec<Token>) -> Self {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse`
[INFO] [stderr]   --> src/parse.rs:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub(crate) fn parse(mut self) {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `statement`
[INFO] [stderr]   --> src/parse.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub(crate) fn statement(&mut self) {
[INFO] [stderr]    |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_at_end`
[INFO] [stderr]   --> src/parse.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn is_at_end(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mat`
[INFO] [stderr]   --> src/parse.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn mat(&mut self, token_type: TokenType) -> bool {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peek`
[INFO] [stderr]   --> src/parse.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn peek(&self) -> &Token {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AST`
[INFO] [stderr]   --> src/parse.rs:44:19
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub(crate) struct AST {}
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `qasm` (bin "qasm" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qasm-fdd5a5cf941b3d33)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7202001ed3d02d9b652e2ca52b56a695eabb76bf10b8b4d02aef788f88696a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7202001ed3d02d9b652e2ca52b56a695eabb76bf10b8b4d02aef788f88696a3d", kill_on_drop: false }`
[INFO] [stdout] 7202001ed3d02d9b652e2ca52b56a695eabb76bf10b8b4d02aef788f88696a3d