[INFO] cloning repository https://github.com/kennethdsheridan/rusting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennethdsheridan/rusting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennethdsheridan%2Frusting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennethdsheridan%2Frusting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0564cd9df6f179f5585577d8965958ce155eabe
[INFO] checking kennethdsheridan/rusting against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennethdsheridan%2Frusting" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kennethdsheridan/rusting
[INFO] finished tweaking git repo https://github.com/kennethdsheridan/rusting
[INFO] tweaked toml for git repo https://github.com/kennethdsheridan/rusting written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kennethdsheridan/rusting on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kennethdsheridan/rusting 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" "+f70ee28831acc074c109afab32d287057c3eca46" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e57cac01f9a0cd8c1d051b526e647537bae47ce335d96b6ef7ec3ac1809a02db
[INFO] running `Command { std: "docker" "start" "-a" "e57cac01f9a0cd8c1d051b526e647537bae47ce335d96b6ef7ec3ac1809a02db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e57cac01f9a0cd8c1d051b526e647537bae47ce335d96b6ef7ec3ac1809a02db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57cac01f9a0cd8c1d051b526e647537bae47ce335d96b6ef7ec3ac1809a02db", kill_on_drop: false }`
[INFO] [stdout] e57cac01f9a0cd8c1d051b526e647537bae47ce335d96b6ef7ec3ac1809a02db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdaf69e75d50a8c18f05b1011b8ce1f221830350555a910b446dab81f1c7c474
[INFO] running `Command { std: "docker" "start" "-a" "fdaf69e75d50a8c18f05b1011b8ce1f221830350555a910b446dab81f1c7c474", kill_on_drop: false }`
[INFO] [stderr]     Checking rusting-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::Reverse`
[INFO] [stdout]   --> src/bin/merge_k_sorted_lists.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::cmp::Reverse;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fun_two_sum` is never used
[INFO] [stdout]  --> src/bin/fucntional_two_sum.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn fun_two_sum(nums: Vec<i32>, target: i32) -> Option<(usize, usize)> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/bin/climb_stairs.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         for i in 1..=n {
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]  --> src/bin/34_find_fist_and_last_in_sorted_array.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |         if let Ok(index) = nums.binary_search(&target) {
[INFO] [stdout]   |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found struct `ListNode`
[INFO] [stdout]   --> src/bin/linkedlists.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout]  4 | / pub struct ListNode {
[INFO] [stdout]  5 | |     val: i32,
[INFO] [stdout]  6 | |     next: Option<Box<ListNode>>,
[INFO] [stdout]  7 | | }
[INFO] [stdout]    | |_- `ListNode` defined here
[INFO] [stdout] ...
[INFO] [stdout] 30 |           next:Some(Box::new(ListNode)) 
[INFO] [stdout]    |                              ^^^^^^^^ help: use struct literal syntax instead: `ListNode { val: val, next: val }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fun_two_sum` is never used
[INFO] [stdout]  --> src/bin/fucntional_two_sum.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn fun_two_sum(nums: Vec<i32>, target: i32) -> Option<(usize, usize)> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/merge_k_sorted_lists.rs:26:45
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn merge_lists(lists: Vec<List>) -> List {
[INFO] [stdout]    |            -----------                      ^^^^ expected `Option<Box<ListNode>>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<Box<ListNode>>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `group_anagrams` is never used
[INFO] [stdout]  --> src/bin/group_anagrams.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn group_anagrams(strs: Vec<String>) -> Vec<Vec<String>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anagram` is never used
[INFO] [stdout]   --> src/bin/group_anagrams.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn anagram(strs: Vec<String>) -> Vec<Vec<String>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `fruit_list_strings`
[INFO] [stdout]   --> src/bin/rust_iterators.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let fruit_list_strings = fruit_list.iter().map(|e| String::from(*e));
[INFO] [stdout]    |         ------------------ move occurs because `fruit_list_strings` has type `Map<std::slice::Iter<'_, &str>, {closure@src/bin/rust_iterators.rs:22:52: 22:55}>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fruit_list_strings.peekable().next();
[INFO] [stdout]    |                        ---------- `fruit_list_strings` moved due to this method call
[INFO] [stdout] 26 |
[INFO] [stdout] 27 |     let food = fruit_list_strings.peekable().peek();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] note: `peekable` takes ownership of the receiver `self`, which moves `fruit_list_strings`
[INFO] [stdout]   --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:1056:16
[INFO] [stdout] help: you can `clone` the value and consume it, but this might not be your desired behavior
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fruit_list_strings.clone().peekable().next();
[INFO] [stdout]    |                       ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `food`
[INFO] [stdout]   --> src/bin/rust_iterators.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let food = fruit_list_strings.peekable().peek();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_food`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusting-rs` (bin "rust_iterators" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rusting-rs` (bin "merge_k_sorted_lists") due to 1 previous error; 1 warning emitted
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/linkedlists.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut cur = None;
[INFO] [stdout]    |                   ---- expected due to this value
[INFO] [stdout] ...
[INFO] [stdout] 22 |         cur = new_node;
[INFO] [stdout]    |               ^^^^^^^^ expected `Option<Box<ListNode>>`, found `ListNode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Box<ListNode>>`
[INFO] [stdout]             found struct `ListNode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0423.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `[{integer}; 5]` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/bin/array_temperature.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |     println!("Temperatures are: {}", &temperatures);
[INFO] [stdout]    |                                 --   ^^^^^^^^^^^^^ `[{integer}; 5]` cannot be formatted with the default formatter
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `[{integer}; 5]`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required for `&[{integer}; 5]` to implement `std::fmt::Display`
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `merge_two_lists`
[INFO] [stdout]  --> src/bin/merge_two_lists.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |
[INFO] [stdout]   | ^ consider adding a `main` function to `src/bin/merge_two_lists.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusting-rs` (bin "linkedlists" test) due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `[{integer}; 5]` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/bin/array_temperature.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |     println!("Temperatures are: {}", &temperatures);
[INFO] [stdout]    |                                 --   ^^^^^^^^^^^^^ `[{integer}; 5]` cannot be formatted with the default formatter
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `[{integer}; 5]`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required for `&[{integer}; 5]` to implement `std::fmt::Display`
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/bin/filter.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let input = 45;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Reverse`
[INFO] [stdout]   --> src/bin/merge_k_sorted_lists.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::cmp::Reverse;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusting-rs` (bin "array_temperature") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusting-rs` (bin "merge_two_lists") due to 1 previous error
[INFO] [stderr] error: could not compile `rusting-rs` (bin "array_temperature" test) due to 1 previous error
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/merge_k_sorted_lists.rs:26:45
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn merge_lists(lists: Vec<List>) -> List {
[INFO] [stdout]    |            -----------                      ^^^^ expected `Option<Box<ListNode>>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<Box<ListNode>>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusting-rs` (bin "merge_k_sorted_lists" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fdaf69e75d50a8c18f05b1011b8ce1f221830350555a910b446dab81f1c7c474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdaf69e75d50a8c18f05b1011b8ce1f221830350555a910b446dab81f1c7c474", kill_on_drop: false }`
[INFO] [stdout] fdaf69e75d50a8c18f05b1011b8ce1f221830350555a910b446dab81f1c7c474
