[INFO] cloning repository https://github.com/morin4ga/qcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/morin4ga/qcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorin4ga%2Fqcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorin4ga%2Fqcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61451afd39ffcd17627d054b6d6562d3f282b912
[INFO] checking morin4ga/qcc against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorin4ga%2Fqcc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/morin4ga/qcc on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/morin4ga/qcc
[INFO] finished tweaking git repo https://github.com/morin4ga/qcc
[INFO] tweaked toml for git repo https://github.com/morin4ga/qcc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/morin4ga/qcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7602ab2e5aa0422ca63291f1273a940022883d8910cd22b3c30e893660c25e88
[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" "7602ab2e5aa0422ca63291f1273a940022883d8910cd22b3c30e893660c25e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7602ab2e5aa0422ca63291f1273a940022883d8910cd22b3c30e893660c25e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7602ab2e5aa0422ca63291f1273a940022883d8910cd22b3c30e893660c25e88", kill_on_drop: false }`
[INFO] [stdout] 7602ab2e5aa0422ca63291f1273a940022883d8910cd22b3c30e893660c25e88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c44a93af66049a59d196f93550818f8e861b10e8549abc02db611e503c24c464
[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" "c44a93af66049a59d196f93550818f8e861b10e8549abc02db611e503c24c464", kill_on_drop: false }`
[INFO] [stderr]     Checking qcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env::var`
[INFO] [stdout]  --> src/analyser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::var;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::var`
[INFO] [stdout]  --> src/analyser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::var;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qtype`
[INFO] [stdout]    --> src/analyser.rs:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let qtype = self.consume_type();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_qtype`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qtype`
[INFO] [stdout]    --> src/analyser.rs:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let qtype = self.consume_type();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_qtype`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_consume_ident`
[INFO] [stdout]    --> src/analyser.rs:512:8
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn try_consume_ident(&mut self) -> Option<String> {
[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: `consume_keyword`
[INFO] [stdout]    --> src/analyser.rs:532:8
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn consume_keyword(&mut self, keyword: Keyword) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_consume_ident`
[INFO] [stdout]    --> src/analyser.rs:512:8
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn try_consume_ident(&mut self) -> Option<String> {
[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: `consume_keyword`
[INFO] [stdout]    --> src/analyser.rs:532:8
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn consume_keyword(&mut self, keyword: Keyword) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "c44a93af66049a59d196f93550818f8e861b10e8549abc02db611e503c24c464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44a93af66049a59d196f93550818f8e861b10e8549abc02db611e503c24c464", kill_on_drop: false }`
[INFO] [stdout] c44a93af66049a59d196f93550818f8e861b10e8549abc02db611e503c24c464