[INFO] cloning repository https://github.com/ckanner/syntax-rust-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckanner/syntax-rust-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckanner%2Fsyntax-rust-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckanner%2Fsyntax-rust-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40477ec562cc8f1ca520d9f609e54c30291288b5
[INFO] checking ckanner/syntax-rust-sample against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckanner%2Fsyntax-rust-sample" "/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/ckanner/syntax-rust-sample on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ckanner/syntax-rust-sample
[INFO] finished tweaking git repo https://github.com/ckanner/syntax-rust-sample
[INFO] tweaked toml for git repo https://github.com/ckanner/syntax-rust-sample written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ckanner/syntax-rust-sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a8c4351f6041857a6ace64fb297587cfc9dfc8b34319e5cb50f948f37629fdd
[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" "8a8c4351f6041857a6ace64fb297587cfc9dfc8b34319e5cb50f948f37629fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a8c4351f6041857a6ace64fb297587cfc9dfc8b34319e5cb50f948f37629fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8c4351f6041857a6ace64fb297587cfc9dfc8b34319e5cb50f948f37629fdd", kill_on_drop: false }`
[INFO] [stdout] 8a8c4351f6041857a6ace64fb297587cfc9dfc8b34319e5cb50f948f37629fdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e72bca82c273e628a2f907033ed3d9b95518e829a78027123cf26aedd5a5118e
[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" "e72bca82c273e628a2f907033ed3d9b95518e829a78027123cf26aedd5a5118e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking syntax v0.1.0 (/opt/rustwide/workdir/syntax)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> syntax/src/lib.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | / lazy_static! {
[INFO] [stdout] 106 | |     /**
[INFO] [stdout] 107 | |      * Lexical rules grouped by lexer state (by start condition).
[INFO] [stdout] 108 | |      */
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | | ];
[INFO] [stdout] 144 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> syntax/src/lib.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | / lazy_static! {
[INFO] [stdout] 106 | |     /**
[INFO] [stdout] 107 | |      * Lexical rules grouped by lexer state (by start condition).
[INFO] [stdout] 108 | |      */
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | | ];
[INFO] [stdout] 144 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> syntax/src/lib.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | / lazy_static! {
[INFO] [stdout] 106 | |     /**
[INFO] [stdout] 107 | |      * Lexical rules grouped by lexer state (by start condition).
[INFO] [stdout] 108 | |      */
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | | ];
[INFO] [stdout] 144 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> syntax/src/lib.rs:231:1
[INFO] [stdout]     |
[INFO] [stdout] 231 | / lazy_static! {
[INFO] [stdout] 232 | |     /** 
[INFO] [stdout] 233 | |      * Pre-parse the regex instead of parsing it every time when calling `get_next_token`.
[INFO] [stdout] 234 | |      */
[INFO] [stdout] 235 | |     static ref REGEX_RULES: Vec<Regex> = LEX_RULES.iter().map(|rule| Regex::new(rule).unwrap()).collect();
[INFO] [stdout] 236 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking calc-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "e72bca82c273e628a2f907033ed3d9b95518e829a78027123cf26aedd5a5118e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72bca82c273e628a2f907033ed3d9b95518e829a78027123cf26aedd5a5118e", kill_on_drop: false }`
[INFO] [stdout] e72bca82c273e628a2f907033ed3d9b95518e829a78027123cf26aedd5a5118e