[INFO] cloning repository https://github.com/AndrewRosenfrisk/diceroller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrewRosenfrisk/diceroller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRosenfrisk%2Fdiceroller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRosenfrisk%2Fdiceroller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd4341e81d2ba254d4a3ae48f7f66861d9cb478a
[INFO] testing AndrewRosenfrisk/diceroller against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRosenfrisk%2Fdiceroller" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndrewRosenfrisk/diceroller
[INFO] finished tweaking git repo https://github.com/AndrewRosenfrisk/diceroller
[INFO] tweaked toml for git repo https://github.com/AndrewRosenfrisk/diceroller written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndrewRosenfrisk/diceroller on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AndrewRosenfrisk/diceroller already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36c8b97119f65436981fd623d5dcd6b2cea1684d5fbabdb82ab44991d457dbf1
[INFO] running `Command { std: "docker" "start" "-a" "36c8b97119f65436981fd623d5dcd6b2cea1684d5fbabdb82ab44991d457dbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36c8b97119f65436981fd623d5dcd6b2cea1684d5fbabdb82ab44991d457dbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c8b97119f65436981fd623d5dcd6b2cea1684d5fbabdb82ab44991d457dbf1", kill_on_drop: false }`
[INFO] [stdout] 36c8b97119f65436981fd623d5dcd6b2cea1684d5fbabdb82ab44991d457dbf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e535b040a5cc9c3f00e2e6a34db91244621a72af781381c267cffdd0e07fe56
[INFO] running `Command { std: "docker" "start" "-a" "0e535b040a5cc9c3f00e2e6a34db91244621a72af781381c267cffdd0e07fe56", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling diceroller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Fill`
[INFO] [stdout]  --> src/main.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{distributions::Uniform, Fill, Rng};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `size_result` is never read
[INFO] [stdout]   --> src/main.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut size_result: &str = "";
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]    --> src/main.rs:103:19
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]    --> src/main.rs:103:31
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stdout]     |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operation`
[INFO] [stdout]    --> src/main.rs:103:52
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stdout]     |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modifier`
[INFO] [stdout]    --> src/main.rs:103:69
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stdout]     |                                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `report_results` is never used
[INFO] [stdout]    --> src/main.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.11s
[INFO] running `Command { std: "docker" "inspect" "0e535b040a5cc9c3f00e2e6a34db91244621a72af781381c267cffdd0e07fe56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e535b040a5cc9c3f00e2e6a34db91244621a72af781381c267cffdd0e07fe56", kill_on_drop: false }`
[INFO] [stdout] 0e535b040a5cc9c3f00e2e6a34db91244621a72af781381c267cffdd0e07fe56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9736f2e6c994b6fa5fcb38d27556524fcd2e937c4eea90c5d8d9263b5d0a7b3d
[INFO] running `Command { std: "docker" "start" "-a" "9736f2e6c994b6fa5fcb38d27556524fcd2e937c4eea90c5d8d9263b5d0a7b3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling diceroller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Fill`
[INFO] [stdout]  --> src/main.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{distributions::Uniform, Fill, Rng};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `size_result` is never read
[INFO] [stdout]   --> src/main.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut size_result: &str = "";
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]    --> src/main.rs:103:19
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]    --> src/main.rs:103:31
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stdout]     |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operation`
[INFO] [stdout]    --> src/main.rs:103:52
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stdout]     |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modifier`
[INFO] [stdout]    --> src/main.rs:103:69
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stdout]     |                                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `report_results` is never used
[INFO] [stdout]    --> src/main.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "9736f2e6c994b6fa5fcb38d27556524fcd2e937c4eea90c5d8d9263b5d0a7b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9736f2e6c994b6fa5fcb38d27556524fcd2e937c4eea90c5d8d9263b5d0a7b3d", kill_on_drop: false }`
[INFO] [stdout] 9736f2e6c994b6fa5fcb38d27556524fcd2e937c4eea90c5d8d9263b5d0a7b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4d9c39ca637ff3defb13036f1ddd64189ca2cf1861414e84b40320f490fb88b
[INFO] running `Command { std: "docker" "start" "-a" "d4d9c39ca637ff3defb13036f1ddd64189ca2cf1861414e84b40320f490fb88b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::num;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Fill`
[INFO] [stderr]  --> src/main.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{distributions::Uniform, Fill, Rng};
[INFO] [stderr]   |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `size_result` is never read
[INFO] [stderr]   --> src/main.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut size_result: &str = "";
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sum`
[INFO] [stderr]    --> src/main.rs:103:19
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stderr]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `results`
[INFO] [stderr]    --> src/main.rs:103:31
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stderr]     |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `operation`
[INFO] [stderr]    --> src/main.rs:103:52
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stderr]     |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operation`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `modifier`
[INFO] [stderr]    --> src/main.rs:103:69
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stderr]     |                                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modifier`
[INFO] [stderr] 
[INFO] [stderr] warning: function `report_results` is never used
[INFO] [stderr]    --> src/main.rs:103:4
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn report_results(sum: usize, results: Vec<usize>, operation: char, modifier: usize) {}
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `diceroller` (bin "diceroller" test) generated 8 warnings (run `cargo fix --bin "diceroller" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/diceroller-5e2d57bbd0828b58)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4d9c39ca637ff3defb13036f1ddd64189ca2cf1861414e84b40320f490fb88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d9c39ca637ff3defb13036f1ddd64189ca2cf1861414e84b40320f490fb88b", kill_on_drop: false }`
[INFO] [stdout] d4d9c39ca637ff3defb13036f1ddd64189ca2cf1861414e84b40320f490fb88b
