[INFO] cloning repository https://github.com/Anu-Ra-g/Rustlings_course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Anu-Ra-g/Rustlings_course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnu-Ra-g%2FRustlings_course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnu-Ra-g%2FRustlings_course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cf814396d063ae41607a87034f5a14a9dd3ce35
[INFO] checking Anu-Ra-g/Rustlings_course against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnu-Ra-g%2FRustlings_course" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Anu-Ra-g/Rustlings_course
[INFO] finished tweaking git repo https://github.com/Anu-Ra-g/Rustlings_course
[INFO] tweaked toml for git repo https://github.com/Anu-Ra-g/Rustlings_course written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Anu-Ra-g/Rustlings_course on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Anu-Ra-g/Rustlings_course 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f719165e3b461e8ac85a3cfaae65d0cec42607a4f64333d981863963ff548a8
[INFO] running `Command { std: "docker" "start" "-a" "5f719165e3b461e8ac85a3cfaae65d0cec42607a4f64333d981863963ff548a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f719165e3b461e8ac85a3cfaae65d0cec42607a4f64333d981863963ff548a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f719165e3b461e8ac85a3cfaae65d0cec42607a4f64333d981863963ff548a8", kill_on_drop: false }`
[INFO] [stdout] 5f719165e3b461e8ac85a3cfaae65d0cec42607a4f64333d981863963ff548a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cdda5725b5135c22d10464f71927660d057a2e04cb3c7568ddaec1bf1ba026b
[INFO] running `Command { std: "docker" "start" "-a" "3cdda5725b5135c22d10464f71927660d057a2e04cb3c7568ddaec1bf1ba026b", kill_on_drop: false }`
[INFO] [stderr]     Checking exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: cannot divide `f64` by `usize`
[INFO] [stdout]  --> exercises/23_conversions/using_as.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     total / values.len()
[INFO] [stdout]   |           ^ no implementation for `f64 / usize`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Div<usize>` is not implemented for `f64`
[INFO] [stdout] help: the following other types implement trait `Div<Rhs>`
[INFO] [stdout]  --> /rustc/bca37a20bd376ce3fd138e7cdee7fe704e0f8814/library/core/src/ops/arith.rs:513:8
[INFO] [stdout]   |
[INFO] [stdout]   = note: `f64` implements `Div`
[INFO] [stdout]  ::: /rustc/bca37a20bd376ce3fd138e7cdee7fe704e0f8814/library/core/src/ops/arith.rs:526:0
[INFO] [stdout]   |
[INFO] [stdout]   = note: in this macro invocation
[INFO] [stdout]  --> /rustc/bca37a20bd376ce3fd138e7cdee7fe704e0f8814/library/core/src/internal_macros.rs:22:8
[INFO] [stdout]   |
[INFO] [stdout]   = note: `&f64` implements `Div<f64>`
[INFO] [stdout]  ::: /rustc/bca37a20bd376ce3fd138e7cdee7fe704e0f8814/library/core/src/internal_macros.rs:33:8
[INFO] [stdout]   |
[INFO] [stdout]   = note: `f64` implements `Div<&f64>`
[INFO] [stdout]  ::: /rustc/bca37a20bd376ce3fd138e7cdee7fe704e0f8814/library/core/src/internal_macros.rs:44:8
[INFO] [stdout]   |
[INFO] [stdout]   = note: `&f64` implements `Div`
[INFO] [stdout]   = note: this error originates in the macro `div_impl_float` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "using_as" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `licensing_info`
[INFO] [stdout]   --> exercises/15_traits/traits3.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout]  6 |     fn licensing_info(&self) -> String;
[INFO] [stdout]    |     ----------------------------------- `licensing_info` from trait
[INFO] [stdout] ...
[INFO] [stdout] 17 | impl Licensed for SomeSoftware {} // Don't edit this line.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `licensing_info` in implementation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `licensing_info`
[INFO] [stdout]   --> exercises/15_traits/traits3.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout]  6 |     fn licensing_info(&self) -> String;
[INFO] [stdout]    |     ----------------------------------- `licensing_info` from trait
[INFO] [stdout] ...
[INFO] [stdout] 18 | impl Licensed for OtherSoftware {} // Don't edit this line.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `licensing_info` in implementation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> exercises/18_iterators/iterators3.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn divide(a: i64, b: i64) -> Result<i64, DivisionError> {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `basket`
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps2.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn fruit_basket(basket: &mut HashMap<Fruit, u32>) {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_basket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fruit`
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps2.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     for fruit in fruit_kinds {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fruit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut scores = HashMap::<&str, TeamScores>::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `team_1_name`
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let team_1_name = split_iterator.next().unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_team_1_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `team_2_name`
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let team_2_name = split_iterator.next().unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_team_2_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `team_1_score`
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let team_1_score: u8 = split_iterator.next().unwrap().parse().unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_team_1_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `team_2_score`
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let team_2_score: u8 = split_iterator.next().unwrap().parse().unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_team_2_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> exercises/18_iterators/iterators3.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn divide(a: i64, b: i64) -> Result<i64, DivisionError> {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `division_results`
[INFO] [stdout]   --> exercises/18_iterators/iterators3.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let division_results = numbers.into_iter().map(|n| divide(n, 27));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_division_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `division_results`
[INFO] [stdout]   --> exercises/18_iterators/iterators3.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let division_results = numbers.into_iter().map(|n| divide(n, 27));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_division_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "traits3" test) due to 2 previous errors
[INFO] [stdout] error: cannot find macro `my_macro` in this scope
[INFO] [stdout]  --> exercises/21_macros/macros2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     my_macro!();
[INFO] [stdout]   |     ^^^^^^^^ consider moving the definition of `my_macro` before this call
[INFO] [stdout]   |
[INFO] [stdout] note: a macro with the same name exists, but it appears later
[INFO] [stdout]  --> exercises/21_macros/macros2.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | macro_rules! my_macro {
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_macro`
[INFO] [stdout]  --> exercises/21_macros/macros2.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | macro_rules! my_macro {
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "macros2" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3cdda5725b5135c22d10464f71927660d057a2e04cb3c7568ddaec1bf1ba026b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdda5725b5135c22d10464f71927660d057a2e04cb3c7568ddaec1bf1ba026b", kill_on_drop: false }`
[INFO] [stdout] 3cdda5725b5135c22d10464f71927660d057a2e04cb3c7568ddaec1bf1ba026b
