[INFO] updating cached repository https://github.com/chriscoomber/typed-regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef19dd26f8436e2d021e031c55b73fc0583d90ac
[INFO] checking chriscoomber/typed-regex against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchriscoomber%2Ftyped-regex" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chriscoomber/typed-regex on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chriscoomber/typed-regex
[INFO] finished tweaking git repo https://github.com/chriscoomber/typed-regex
[INFO] tweaked toml for git repo https://github.com/chriscoomber/typed-regex written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/chriscoomber/typed-regex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1d87dc66a46fd282c9a2d9604aa8a11e915348f4b9c4c1e59af9d1bd7d369f2
[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" "b1d87dc66a46fd282c9a2d9604aa8a11e915348f4b9c4c1e59af9d1bd7d369f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1d87dc66a46fd282c9a2d9604aa8a11e915348f4b9c4c1e59af9d1bd7d369f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d87dc66a46fd282c9a2d9604aa8a11e915348f4b9c4c1e59af9d1bd7d369f2", kill_on_drop: false }`
[INFO] [stdout] b1d87dc66a46fd282c9a2d9604aa8a11e915348f4b9c4c1e59af9d1bd7d369f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecbe94dbe9ccf392f276032069a0b1d65e2e6c1081503367295c852369d912ed
[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" "ecbe94dbe9ccf392f276032069a0b1d65e2e6c1081503367295c852369d912ed", kill_on_drop: false }`
[INFO] [stderr]     Checking typed-regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `n` should have an upper camel case name
[INFO] [stdout]   --> src/literal.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct n;
[INFO] [stdout]    |            ^ help: convert the identifier to upper camel case: `N`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `u` should have an upper camel case name
[INFO] [stdout]   --> src/literal.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct u;
[INFO] [stdout]    |            ^ help: convert the identifier to upper camel case (notice the capitalization): `U`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `l` should have an upper camel case name
[INFO] [stdout]   --> src/literal.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct l;
[INFO] [stdout]    |            ^ help: convert the identifier to upper camel case: `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `n` should have an upper camel case name
[INFO] [stdout]   --> src/literal.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct n;
[INFO] [stdout]    |            ^ help: convert the identifier to upper camel case: `N`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `u` should have an upper camel case name
[INFO] [stdout]   --> src/literal.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct u;
[INFO] [stdout]    |            ^ help: convert the identifier to upper camel case (notice the capitalization): `U`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `l` should have an upper camel case name
[INFO] [stdout]   --> src/literal.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct l;
[INFO] [stdout]    |            ^ help: convert the identifier to upper camel case: `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `regex_1`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let regex_1 = r".";
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_regex_1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_string`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let test_string = "a";
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `regex_2`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let regex_2 = r"^.{4}-(.|null)$";
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_regex_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_string`
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let test_string = "aaaa-null";
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `regex_1`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let regex_1 = r".";
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_regex_1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_string`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let test_string = "a";
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `regex_2`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let regex_2 = r"^.{4}-(.|null)$";
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_regex_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_string`
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let test_string = "aaaa-null";
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "ecbe94dbe9ccf392f276032069a0b1d65e2e6c1081503367295c852369d912ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbe94dbe9ccf392f276032069a0b1d65e2e6c1081503367295c852369d912ed", kill_on_drop: false }`
[INFO] [stdout] ecbe94dbe9ccf392f276032069a0b1d65e2e6c1081503367295c852369d912ed