[INFO] cloning repository https://github.com/ishantheperson/c0check
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ishantheperson/c0check" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishantheperson%2Fc0check", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishantheperson%2Fc0check'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55bb56643762a065298b744400ab125c6ac83b53
[INFO] checking ishantheperson/c0check against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishantheperson%2Fc0check" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ishantheperson/c0check on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ishantheperson/c0check
[INFO] finished tweaking git repo https://github.com/ishantheperson/c0check
[INFO] tweaked toml for git repo https://github.com/ishantheperson/c0check written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ishantheperson/c0check already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.37
[INFO] [stderr]   Downloaded syn v1.0.57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c349e554958c2a2ee0e07876b48f79cd200e6fbd2d2efa08418ae4dd1c5f769
[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" "2c349e554958c2a2ee0e07876b48f79cd200e6fbd2d2efa08418ae4dd1c5f769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c349e554958c2a2ee0e07876b48f79cd200e6fbd2d2efa08418ae4dd1c5f769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c349e554958c2a2ee0e07876b48f79cd200e6fbd2d2efa08418ae4dd1c5f769", kill_on_drop: false }`
[INFO] [stdout] 2c349e554958c2a2ee0e07876b48f79cd200e6fbd2d2efa08418ae4dd1c5f769
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b57c1515c0acabe592a7be93d05b0e450cf6c9eda6057365b67c23abb1cafb5
[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" "0b57c1515c0acabe592a7be93d05b0e450cf6c9eda6057365b67c23abb1cafb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking c0check v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `test_counter` should have an upper case name
[INFO] [stdout]   --> src/implementations.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |         static mut test_counter: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: convert the identifier to upper case: `TEST_COUNTER`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `test_counter` should have an upper case name
[INFO] [stdout]    --> src/implementations.rs:128:20
[INFO] [stdout]     |
[INFO] [stdout] 128 |         static mut test_counter: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |                    ^^^^^^^^^^^^ help: convert the identifier to upper case: `TEST_COUNTER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `test_counter` should have an upper case name
[INFO] [stdout]   --> src/implementations.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |         static mut test_counter: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: convert the identifier to upper case: `TEST_COUNTER`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `test_counter` should have an upper case name
[INFO] [stdout]    --> src/implementations.rs:128:20
[INFO] [stdout]     |
[INFO] [stdout] 128 |         static mut test_counter: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]     |                    ^^^^^^^^^^^^ help: convert the identifier to upper case: `TEST_COUNTER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.97s
[INFO] running `Command { std: "docker" "inspect" "0b57c1515c0acabe592a7be93d05b0e450cf6c9eda6057365b67c23abb1cafb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b57c1515c0acabe592a7be93d05b0e450cf6c9eda6057365b67c23abb1cafb5", kill_on_drop: false }`
[INFO] [stdout] 0b57c1515c0acabe592a7be93d05b0e450cf6c9eda6057365b67c23abb1cafb5