[INFO] updating cached repository https://github.com/vparekh1/rust-dicegen
[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] 1653c6b90b9d2aeb7386086cd5e45bd024d82a41
[INFO] checking vparekh1/rust-dicegen against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvparekh1%2Frust-dicegen" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vparekh1/rust-dicegen 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/vparekh1/rust-dicegen
[INFO] finished tweaking git repo https://github.com/vparekh1/rust-dicegen
[INFO] tweaked toml for git repo https://github.com/vparekh1/rust-dicegen written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/vparekh1/rust-dicegen 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 7ecf6d02d7cc1ca3370d921b97c2eb469f946aedd47bbc3308edf86995224595
[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" "7ecf6d02d7cc1ca3370d921b97c2eb469f946aedd47bbc3308edf86995224595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ecf6d02d7cc1ca3370d921b97c2eb469f946aedd47bbc3308edf86995224595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecf6d02d7cc1ca3370d921b97c2eb469f946aedd47bbc3308edf86995224595", kill_on_drop: false }`
[INFO] [stdout] 7ecf6d02d7cc1ca3370d921b97c2eb469f946aedd47bbc3308edf86995224595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca8fc04ad73d94fbdf5b7a08bc9b92f51c93f1cb436ca0a5c4ec3c74d8ac076e
[INFO] running `Command { std: "docker" "start" "-a" "ca8fc04ad73d94fbdf5b7a08bc9b92f51c93f1cb436ca0a5c4ec3c74d8ac076e", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rust-dicegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/dice_roll/calculator.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(rng: R) -> RollRequest<R> {
[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: `roll_dice`
[INFO] [stdout]   --> src/dice_roll/calculator.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn roll_dice<'a>(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `explode`
[INFO] [stdout]   --> src/dice_roll/calculator.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn explode<'a>(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/dice_roll/calculator.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn remove<'a>(&'a mut self, count: u64) -> &'a mut RollRequest<R> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `keep`
[INFO] [stdout]   --> src/dice_roll/calculator.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn keep<'a>(&'a mut self, count: u64) -> &'a mut RollRequest<R> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `keep_lower`
[INFO] [stdout]   --> src/dice_roll/calculator.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn keep_lower<'a>(&'a mut self, count: u64) -> &'a mut RollRequest<R> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `complex_dice_roll`
[INFO] [stdout]   --> src/dice_roll/parser.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn complex_dice_roll(input: &str) -> IResult<&str, ComplexDiceRoll> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simple_dice_roll`
[INFO] [stdout]   --> src/dice_roll/parser.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn simple_dice_roll(input: &str) -> IResult<&str, DiceRoll> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dice_roll_mod`
[INFO] [stdout]   --> src/dice_roll/parser.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn dice_roll_mod(input: &str) -> IResult<&str, RollMod> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number`
[INFO] [stdout]   --> src/dice_roll/parser.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn number(input: &str) -> IResult<&str, u64> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `roll_type`
[INFO] [stdout]   --> src/dice_roll/parser.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn roll_type(input: &str) -> IResult<&str, RollModType> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dice_roll_separator`
[INFO] [stdout]   --> src/dice_roll/parser.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn dice_roll_separator(input: &str) -> IResult<&str, char> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]   --> src/dice_roll/parser.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn parse_number(text: &str) -> Result<u64, std::num::ParseIntError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_roll_mod_type`
[INFO] [stdout]   --> src/dice_roll/parser.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn parse_roll_mod_type(c: char) -> Result<RollModType, &'static str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `roll_complex_dice`
[INFO] [stdout]  --> src/dice_roll/controller.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn roll_complex_dice(roll: ComplexDiceRoll) -> RollRequest<rand::prelude::ThreadRng> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `roll_simple_dice`
[INFO] [stdout]   --> src/dice_roll/controller.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn roll_simple_dice(parser: DiceRoll) -> RollRequest<rand::prelude::ThreadRng> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `E`
[INFO] [stdout]   --> src/dice_roll/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     E,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R`
[INFO] [stdout]   --> src/dice_roll/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     R,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `K`
[INFO] [stdout]   --> src/dice_roll/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     K,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `L`
[INFO] [stdout]   --> src/dice_roll/mod.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     L,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.93s
[INFO] running `Command { std: "docker" "inspect" "ca8fc04ad73d94fbdf5b7a08bc9b92f51c93f1cb436ca0a5c4ec3c74d8ac076e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8fc04ad73d94fbdf5b7a08bc9b92f51c93f1cb436ca0a5c4ec3c74d8ac076e", kill_on_drop: false }`
[INFO] [stdout] ca8fc04ad73d94fbdf5b7a08bc9b92f51c93f1cb436ca0a5c4ec3c74d8ac076e