[INFO] cloning 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" "clone" "--bare" "https://github.com/vparekh1/rust-dicegen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvparekh1%2Frust-dicegen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvparekh1%2Frust-dicegen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7aa54fcba4da87164ac6fec543b233d9a672cfed
[INFO] checking vparekh1/rust-dicegen against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvparekh1%2Frust-dicegen" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vparekh1/rust-dicegen on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "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-9/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" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", 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] 0c4980fe005398afb82e580d21282276b58c02a1915e7faeeaa3d602fa68e3a3
[INFO] running `Command { std: "docker" "start" "-a" "0c4980fe005398afb82e580d21282276b58c02a1915e7faeeaa3d602fa68e3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c4980fe005398afb82e580d21282276b58c02a1915e7faeeaa3d602fa68e3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4980fe005398afb82e580d21282276b58c02a1915e7faeeaa3d602fa68e3a3", kill_on_drop: false }`
[INFO] [stdout] 0c4980fe005398afb82e580d21282276b58c02a1915e7faeeaa3d602fa68e3a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8846a636a1d1b4791654e5ea5bbad700b68378f56ac84110420346726b0354d9
[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" "8846a636a1d1b4791654e5ea5bbad700b68378f56ac84110420346726b0354d9", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling nom v5.1.1
[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: unused import: `digit1`
[INFO] [stdout]  --> src/parsing/dice_roll.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{anychar, digit1, one_of, space0},
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `anychar`, `digit1`, `multi::many0`, `sequence::tuple`, `space0`
[INFO] [stdout]  --> src/parsing/math_ops.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{anychar, digit1, one_of, space0},
[INFO] [stdout]   |                           ^^^^^^^  ^^^^^^          ^^^^^^
[INFO] [stdout] 5 |     combinator::map_res,
[INFO] [stdout] 6 |     multi::many0,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 7 |     sequence::tuple,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `number`
[INFO] [stdout]   --> src/parsing/math_ops.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use super::{number, Operation};
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `digit1`
[INFO] [stdout]  --> src/parsing/dice_roll.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{anychar, digit1, one_of, space0},
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/calculation/dice_rolls.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/calculation/dice_rolls.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/calculation/dice_rolls.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/calculation/dice_rolls.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/calculation/dice_rolls.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/calculation/dice_rolls.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: `scalar_calculate`
[INFO] [stdout]  --> src/calculation/math_ops.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn scalar_calculate(scalar_calc: &TwoScalarCalculation) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `roll_scalar_to_float`
[INFO] [stdout]   --> src/calculation/math_ops.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn roll_scalar_to_float(roll_scalar: &RollScalar) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simple_calculate`
[INFO] [stdout]   --> src/calculation/math_ops.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn simple_calculate(first: &RollScalar, second: &RollScalar, op: Operation) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/calculation/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Number(f64),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Roll`
[INFO] [stdout]   --> src/calculation/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Roll(Option<Vec<u64>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/calculation/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mul`
[INFO] [stdout]   --> src/calculation/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Mul,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> src/calculation/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/calculation/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `roll_complex_dice`
[INFO] [stdout]  --> src/controller/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn roll_complex_dice(roll: ComplexDiceRoll) -> Option<Vec<u64>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `roll_simple_dice`
[INFO] [stdout]   --> src/controller/mod.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn roll_simple_dice(parser: DiceRoll) -> RollRequest<rand::prelude::ThreadRng> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `complex_dice_roll_parse`
[INFO] [stdout]   --> src/parsing/dice_roll.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn complex_dice_roll_parse(input: &str) -> IResult<&str, ComplexDiceRoll> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simple_dice_roll`
[INFO] [stdout]   --> src/parsing/dice_roll.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/parsing/dice_roll.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: `roll_type`
[INFO] [stdout]   --> src/parsing/dice_roll.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | 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/parsing/dice_roll.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn dice_roll_separator(input: &str) -> IResult<&str, char> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_roll_mod_type`
[INFO] [stdout]   --> src/parsing/dice_roll.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | 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_type`
[INFO] [stdout]   --> src/parsing/math_ops.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn roll_type(input: &str) -> IResult<&str, Operation> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_operation`
[INFO] [stdout]   --> src/parsing/math_ops.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn parse_operation(op_char: char) -> Result<Operation, &'static str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `E`
[INFO] [stdout]   --> src/parsing/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     E,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R`
[INFO] [stdout]   --> src/parsing/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     R,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `K`
[INFO] [stdout]   --> src/parsing/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     K,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `L`
[INFO] [stdout]   --> src/parsing/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     L,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/parsing/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mul`
[INFO] [stdout]   --> src/parsing/mod.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Mul,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> src/parsing/mod.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/parsing/mod.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]   --> src/parsing/mod.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn parse_number(text: &str) -> Result<u64, std::num::ParseIntError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number`
[INFO] [stdout]   --> src/parsing/mod.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn number(input: &str) -> IResult<&str, u64> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `anychar`, `digit1`, `multi::many0`, `sequence::tuple`, `space0`
[INFO] [stdout]  --> src/parsing/math_ops.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{anychar, digit1, one_of, space0},
[INFO] [stdout]   |                           ^^^^^^^  ^^^^^^          ^^^^^^
[INFO] [stdout] 5 |     combinator::map_res,
[INFO] [stdout] 6 |     multi::many0,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 7 |     sequence::tuple,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `number`
[INFO] [stdout]   --> src/parsing/math_ops.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use super::{number, Operation};
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.00s
[INFO] running `Command { std: "docker" "inspect" "8846a636a1d1b4791654e5ea5bbad700b68378f56ac84110420346726b0354d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8846a636a1d1b4791654e5ea5bbad700b68378f56ac84110420346726b0354d9", kill_on_drop: false }`
[INFO] [stdout] 8846a636a1d1b4791654e5ea5bbad700b68378f56ac84110420346726b0354d9