[INFO] cloning repository https://github.com/satanson/rust_etudes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/satanson/rust_etudes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatanson%2Frust_etudes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatanson%2Frust_etudes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0501fe82134be8ab3428a96b7818367e4bb95d77 [INFO] checking satanson/rust_etudes against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatanson%2Frust_etudes" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/satanson/rust_etudes [INFO] finished tweaking git repo https://github.com/satanson/rust_etudes [INFO] tweaked toml for git repo https://github.com/satanson/rust_etudes written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/satanson/rust_etudes on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/satanson/rust_etudes 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: /workspace/builds/worker-3-tc2/source/non_proc_macro/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /workspace/builds/worker-3-tc2/source/my_proc_macro/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ab03fe153d7c03dd2e454018e7d49a58dec164d12e6466a6286d6ecaf18d588 [INFO] running `Command { std: "docker" "start" "-a" "9ab03fe153d7c03dd2e454018e7d49a58dec164d12e6466a6286d6ecaf18d588", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ab03fe153d7c03dd2e454018e7d49a58dec164d12e6466a6286d6ecaf18d588", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ab03fe153d7c03dd2e454018e7d49a58dec164d12e6466a6286d6ecaf18d588", kill_on_drop: false }` [INFO] [stdout] 9ab03fe153d7c03dd2e454018e7d49a58dec164d12e6466a6286d6ecaf18d588 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ad41e9966354527c3ac5e52edd3193764cdce7f8390d2dc5bc8496e54da5d50 [INFO] running `Command { std: "docker" "start" "-a" "3ad41e9966354527c3ac5e52edd3193764cdce7f8390d2dc5bc8496e54da5d50", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/my_proc_macro/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/non_proc_macro/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking common v0.1.0 (/opt/rustwide/workdir/common) [INFO] [stderr] Compiling my_proc_macro v1.0.0 (/opt/rustwide/workdir/my_proc_macro) [INFO] [stderr] Checking etudes v0.1.0 (/opt/rustwide/workdir/etudes) [INFO] [stderr] Checking n033_Search_in_Rotated_Sorted_Array v0.1.0 (/opt/rustwide/workdir/n033_Search_in_Rotated_Sorted_Array) [INFO] [stderr] Checking n044_Wildcard_Matching v0.1.0 (/opt/rustwide/workdir/n044_Wildcard_Matching) [INFO] [stderr] Checking Palindrome_Number v0.1.0 (/opt/rustwide/workdir/Palindrome_Number) [INFO] [stderr] Checking n029_Divide_Two_Integers v0.1.0 (/opt/rustwide/workdir/n029_Divide_Two_Integers) [INFO] [stderr] Checking add_two_numbers v0.1.0 (/opt/rustwide/workdir/add_two_numbers) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> common/src/lib.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 62 | '1'...'9' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking n051_N_Queens v0.1.0 (/opt/rustwide/workdir/n051_N_Queens) [INFO] [stderr] Checking n042_Trapping_Rain_Water v0.1.0 (/opt/rustwide/workdir/n042_Trapping_Rain_Water) [INFO] [stderr] Checking n031_Next_Permutation v0.1.0 (/opt/rustwide/workdir/n031_Next_Permutation) [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> add_two_numbers/src/main.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vec2List` should have a snake case name [INFO] [stdout] --> add_two_numbers/src/main.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn vec2List(vals: Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `vec2_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Pair` in this scope [INFO] [stdout] --> n051_N_Queens/src/main.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | alternatives: Vec [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: you might be missing a type parameter [INFO] [stdout] | [INFO] [stdout] 4 | struct StkElm { [INFO] [stdout] | ++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking n013_Roman_to_Integer v0.1.0 (/opt/rustwide/workdir/n013_Roman_to_Integer) [INFO] [stderr] Checking n018_4Sum v0.1.0 (/opt/rustwide/workdir/n018_4Sum) [INFO] [stderr] Checking n023_Merge_k_Sorted_Lists v0.1.0 (/opt/rustwide/workdir/n023_Merge_k_Sorted_Lists) [INFO] [stdout] For more information about this error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: could not compile `n051_N_Queens` (bin "n051_N_Queens") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused imports: `thread` and `time` [INFO] [stdout] --> n018_4Sum/src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{thread,time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> etudes/src/util/mod.rs:153:11 [INFO] [stdout] | [INFO] [stdout] 153 | let a: &TraitA = &StructA {}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 153 | let a: &dyn TraitA = &StructA {}; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> etudes/src/util/mod.rs:124:7 [INFO] [stdout] | [INFO] [stdout] 124 | let mut a = Wrapper(&s); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> etudes/src/util/mod.rs:153:7 [INFO] [stdout] | [INFO] [stdout] 153 | let a: &TraitA = &StructA {}; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `TraitB` is never used [INFO] [stdout] --> etudes/src/util/mod.rs:144:7 [INFO] [stdout] | [INFO] [stdout] 144 | trait TraitB: Sized {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> n013_Roman_to_Integer/src/main.rs:98:7 [INFO] [stdout] | [INFO] [stdout] 98 | i += advance; [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] running `Command { std: "docker" "inspect" "3ad41e9966354527c3ac5e52edd3193764cdce7f8390d2dc5bc8496e54da5d50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ad41e9966354527c3ac5e52edd3193764cdce7f8390d2dc5bc8496e54da5d50", kill_on_drop: false }` [INFO] [stdout] 3ad41e9966354527c3ac5e52edd3193764cdce7f8390d2dc5bc8496e54da5d50