[INFO] cloning repository https://github.com/Lainera/roll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lainera/roll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLainera%2Froll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLainera%2Froll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7d400216146edd60ad503c42fdbcdc6b03f6dc6
[INFO] testing Lainera/roll against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLainera%2Froll" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lainera/roll on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lainera/roll
[INFO] finished tweaking git repo https://github.com/Lainera/roll
[INFO] tweaked toml for git repo https://github.com/Lainera/roll written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/Lainera/roll already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33e311a2d57f594132b34c41504c0be3cf7e1cc344ddf92adfc28dfe058294c4
[INFO] running `Command { std: "docker" "start" "-a" "33e311a2d57f594132b34c41504c0be3cf7e1cc344ddf92adfc28dfe058294c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33e311a2d57f594132b34c41504c0be3cf7e1cc344ddf92adfc28dfe058294c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e311a2d57f594132b34c41504c0be3cf7e1cc344ddf92adfc28dfe058294c4", kill_on_drop: false }`
[INFO] [stdout] 33e311a2d57f594132b34c41504c0be3cf7e1cc344ddf92adfc28dfe058294c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0840c2d4e8aad004fd8c17526999c93b47abc7b918733ac73feedb858c177d5d
[INFO] running `Command { std: "docker" "start" "-a" "0840c2d4e8aad004fd8c17526999c93b47abc7b918733ac73feedb858c177d5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling roll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `result::Result`
[INFO] [stdout]  --> src/arguments.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{result::Result};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/arguments.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   /// skip filename
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |   args.next();
[INFO] [stdout]    |   ----------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/arguments.rs:120:3
[INFO] [stdout]     |
[INFO] [stdout] 120 |   /// wildcard for both lower and uppercase D's
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 121 |   let d: &[_] = &['D', 'd'];
[INFO] [stdout]     |   -------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `roll_type`
[INFO] [stdout]   --> src/rolls.rs:37:3
[INFO] [stdout]    |
[INFO] [stdout] 37 |   roll_type: RollType,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Roll` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/rolls.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `roll_results`
[INFO] [stdout]   --> src/rolls.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 38 |   roll_results: Vec<i32>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Roll` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/rolls.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `roll_sum`
[INFO] [stdout]   --> src/rolls.rs:39:3
[INFO] [stdout]    |
[INFO] [stdout] 39 |   roll_sum: i32
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Roll` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/rolls.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stdout]   --> src/arguments.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |   arg.trim();
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.83s
[INFO] running `Command { std: "docker" "inspect" "0840c2d4e8aad004fd8c17526999c93b47abc7b918733ac73feedb858c177d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0840c2d4e8aad004fd8c17526999c93b47abc7b918733ac73feedb858c177d5d", kill_on_drop: false }`
[INFO] [stdout] 0840c2d4e8aad004fd8c17526999c93b47abc7b918733ac73feedb858c177d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ad9e6f62ce3309f362bc227714174aaad2d745c824165a1d6fdccedff15570d
[INFO] running `Command { std: "docker" "start" "-a" "7ad9e6f62ce3309f362bc227714174aaad2d745c824165a1d6fdccedff15570d", kill_on_drop: false }`
[INFO] [stderr]    Compiling roll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `result::Result`
[INFO] [stdout]  --> src/arguments.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{result::Result};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/arguments.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   /// skip filename
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |   args.next();
[INFO] [stdout]    |   ----------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/arguments.rs:120:3
[INFO] [stdout]     |
[INFO] [stdout] 120 |   /// wildcard for both lower and uppercase D's
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 121 |   let d: &[_] = &['D', 'd'];
[INFO] [stdout]     |   -------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `roll_type`
[INFO] [stdout]   --> src/rolls.rs:37:3
[INFO] [stdout]    |
[INFO] [stdout] 37 |   roll_type: RollType,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Roll` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/rolls.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `roll_results`
[INFO] [stdout]   --> src/rolls.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 38 |   roll_results: Vec<i32>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Roll` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/rolls.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `roll_sum`
[INFO] [stdout]   --> src/rolls.rs:39:3
[INFO] [stdout]    |
[INFO] [stdout] 39 |   roll_sum: i32
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Roll` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/rolls.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stdout]   --> src/arguments.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |   arg.trim();
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "7ad9e6f62ce3309f362bc227714174aaad2d745c824165a1d6fdccedff15570d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad9e6f62ce3309f362bc227714174aaad2d745c824165a1d6fdccedff15570d", kill_on_drop: false }`
[INFO] [stdout] 7ad9e6f62ce3309f362bc227714174aaad2d745c824165a1d6fdccedff15570d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72699151b25cdcf162c4d25f585dc64cf86ab7e2a574b9421baa8a9c0443b0a2
[INFO] running `Command { std: "docker" "start" "-a" "72699151b25cdcf162c4d25f585dc64cf86ab7e2a574b9421baa8a9c0443b0a2", 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] [stdout] 
[INFO] [stderr] warning: unused import: `result::Result`
[INFO] [stdout] running 8 tests
[INFO] [stderr]  --> src/arguments.rs:1:11
[INFO] [stdout] test arguments::parse_tests::detect_range_type_tests::detect_negative_to_negative ... ok
[INFO] [stderr]   |
[INFO] [stdout] test arguments::parse_tests::detect_range_type_tests::detect_positive_to_negative ... ok
[INFO] [stderr] 1 | use std::{result::Result};
[INFO] [stdout] test arguments::parse_tests::detect_range_type_tests::detect_negative_to_positive ... ok
[INFO] [stderr]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] test arguments::parse_tests::detect_range_type_tests::detect_positive_to_positive ... ok
[INFO] [stderr]   |
[INFO] [stdout] test arguments::parse_tests::detect_range_type_tests::detect_negative ... ok
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test arguments::parse_tests::detect_range_type_tests::detect_positive ... ok
[INFO] [stderr] 
[INFO] [stdout] test arguments::parse_tests::parse_string_vector_tests::orders_many ... ok
[INFO] [stderr] warning: unused doc comment
[INFO] [stdout] test arguments::parse_tests::parse_string_vector_tests::panic_mode - should panic ... ok
[INFO] [stderr]   --> src/arguments.rs:11:3
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stderr] 11 |   /// skip filename
[INFO] [stdout] 
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 12 |   args.next();
[INFO] [stderr]    |   ----------- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/arguments.rs:120:3
[INFO] [stderr]     |
[INFO] [stderr] 120 |   /// wildcard for both lower and uppercase D's
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 121 |   let d: &[_] = &['D', 'd'];
[INFO] [stderr]     |   -------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `roll_type`
[INFO] [stderr]   --> src/rolls.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |   roll_type: RollType,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Roll` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/rolls.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `roll_results`
[INFO] [stderr]   --> src/rolls.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 38 |   roll_results: Vec<i32>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Roll` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/rolls.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `roll_sum`
[INFO] [stderr]   --> src/rolls.rs:39:3
[INFO] [stderr]    |
[INFO] [stderr] 39 |   roll_sum: i32
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Roll` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/rolls.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stderr]   --> src/arguments.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   arg.trim();
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: `roll` (bin "roll" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.93s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roll-5e245db5ba42fc64)
[INFO] running `Command { std: "docker" "inspect" "72699151b25cdcf162c4d25f585dc64cf86ab7e2a574b9421baa8a9c0443b0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72699151b25cdcf162c4d25f585dc64cf86ab7e2a574b9421baa8a9c0443b0a2", kill_on_drop: false }`
[INFO] [stdout] 72699151b25cdcf162c4d25f585dc64cf86ab7e2a574b9421baa8a9c0443b0a2