[INFO] cloning repository https://github.com/Black-Stream-Labs/question-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Black-Stream-Labs/question-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlack-Stream-Labs%2Fquestion-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlack-Stream-Labs%2Fquestion-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2077b816bc0f06d1e5322dad18f210ecdf2b46a0
[INFO] fixing Black-Stream-Labs/question-generator against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlack-Stream-Labs%2Fquestion-generator" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Black-Stream-Labs/question-generator
[INFO] finished tweaking git repo https://github.com/Black-Stream-Labs/question-generator
[INFO] tweaked toml for git repo https://github.com/Black-Stream-Labs/question-generator written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Black-Stream-Labs/question-generator on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Black-Stream-Labs/question-generator 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.28.0
[INFO] [stderr]   Downloaded strum v0.28.0
[INFO] [stderr]   Downloaded bitflags v2.12.1
[INFO] [stderr]   Downloaded poem-derive v3.1.12
[INFO] [stderr]   Downloaded headers-core v0.3.0
[INFO] [stderr]   Downloaded wildmatch v2.6.1
[INFO] [stderr]   Downloaded rfc7239 v0.1.3
[INFO] [stderr]   Downloaded multer v3.1.0
[INFO] [stderr]   Downloaded poem-openapi-derive v5.1.16
[INFO] [stderr]   Downloaded headers v0.4.1
[INFO] [stderr]   Downloaded quick-xml v0.36.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.13.3
[INFO] [stderr]   Downloaded h2 v0.4.14
[INFO] [stderr]   Downloaded poem v3.1.12
[INFO] [stderr]   Downloaded poem-openapi v5.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cf4e2954708ebc729e600f73a380e6fe7519f1e21024dec4404c9cc8b257b430
[INFO] running `Command { std: "docker" "start" "cf4e2954708ebc729e600f73a380e6fe7519f1e21024dec4404c9cc8b257b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cf4e2954708ebc729e600f73a380e6fe7519f1e21024dec4404c9cc8b257b430" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf4e2954708ebc729e600f73a380e6fe7519f1e21024dec4404c9cc8b257b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cf4e2954708ebc729e600f73a380e6fe7519f1e21024dec4404c9cc8b257b430" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]     Checking rand_core v0.10.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking strum v0.28.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]     Checking question-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `cmp` in this scope
[INFO] [stdout]    --> src/strategy/arithmetic.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let bignum = cmp::max(num_1, num_2);
[INFO] [stdout]     |                      ^^^ use of unresolved module or unlinked crate `cmp`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `cmp`, use `cargo add cmp` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   5 + use std::cmp;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `cmp` in this scope
[INFO] [stdout]    --> src/strategy/arithmetic.rs:113:22
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let smlnum = cmp::min(num_1, num_2);
[INFO] [stdout]     |                      ^^^ use of unresolved module or unlinked crate `cmp`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `cmp`, use `cargo add cmp` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   5 + use std::cmp;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyStage`
[INFO] [stdout]  --> src/strategy/arithmetic.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     KeyStage,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/strategy/arithmetic.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SliceRandom`
[INFO] [stdout]   --> src/strategy/arithmetic/addition.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ans`
[INFO] [stdout]   --> src/strategy/arithmetic/addition.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let (nums, ans) = match ks {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ans`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numerator`
[INFO] [stdout]    --> src/strategy/arithmetic.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let numerator = num_1 * num_2;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numerator`
[INFO] [stdout]    --> src/strategy/arithmetic.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let numerator = (num_1 * num_2) + remainder;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_answer`
[INFO] [stdout]    --> src/strategy/arithmetic.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let random_answer = correct_answer + (0 - rand::random_range(1..10)/2);
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_answer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_answer_remainder`
[INFO] [stdout]    --> src/strategy/arithmetic.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let random_answer_remainder = rand::random_range(1..num_1);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_answer_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `cmp` in this scope
[INFO] [stdout]    --> src/strategy/arithmetic.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let bignum = cmp::max(num_1, num_2);
[INFO] [stdout]     |                      ^^^ use of unresolved module or unlinked crate `cmp`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `cmp`, use `cargo add cmp` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   5 + use std::cmp;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `cmp` in this scope
[INFO] [stdout]    --> src/strategy/arithmetic.rs:113:22
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let smlnum = cmp::min(num_1, num_2);
[INFO] [stdout]     |                      ^^^ use of unresolved module or unlinked crate `cmp`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `cmp`, use `cargo add cmp` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   5 + use std::cmp;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyStage`
[INFO] [stdout]  --> src/strategy/arithmetic.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     KeyStage,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/strategy/arithmetic.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SliceRandom`
[INFO] [stdout]   --> src/strategy/arithmetic/addition.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `question-generator` (lib test) due to 2 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `ans`
[INFO] [stdout]   --> src/strategy/arithmetic/addition.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let (nums, ans) = match ks {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ans`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numerator`
[INFO] [stdout]    --> src/strategy/arithmetic.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let numerator = num_1 * num_2;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numerator`
[INFO] [stdout]    --> src/strategy/arithmetic.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let numerator = (num_1 * num_2) + remainder;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_answer`
[INFO] [stdout]    --> src/strategy/arithmetic.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let random_answer = correct_answer + (0 - rand::random_range(1..10)/2);
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_answer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_answer_remainder`
[INFO] [stdout]    --> src/strategy/arithmetic.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let random_answer_remainder = rand::random_range(1..num_1);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_answer_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `question-generator` (lib) due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cf4e2954708ebc729e600f73a380e6fe7519f1e21024dec4404c9cc8b257b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4e2954708ebc729e600f73a380e6fe7519f1e21024dec4404c9cc8b257b430", kill_on_drop: false }`
[INFO] [stdout] cf4e2954708ebc729e600f73a380e6fe7519f1e21024dec4404c9cc8b257b430
