[INFO] updating cached repository geniousli/point24 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/geniousli/point24 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/geniousli/point24" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/geniousli/point24"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/geniousli/point24'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/geniousli/point24" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/geniousli/point24"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/geniousli/point24'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 70d7877f90e3948743ab58a7ce5eaf1eab5491f1 [INFO] sha for GitHub repo geniousli/point24: 70d7877f90e3948743ab58a7ce5eaf1eab5491f1 [INFO] validating manifest of geniousli/point24 on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of geniousli/point24 on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing geniousli/point24 [INFO] finished frobbing geniousli/point24 [INFO] frobbed toml for geniousli/point24 written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/geniousli/point24/Cargo.toml [INFO] started frobbing geniousli/point24 [INFO] finished frobbing geniousli/point24 [INFO] frobbed toml for geniousli/point24 written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/geniousli/point24/Cargo.toml [INFO] crate geniousli/point24 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking geniousli/point24 against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-1/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/geniousli/point24:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2ddd498318cb47cad612a52f6edc63e60338bd4498668cb2a345c3cdde7f95e4 [INFO] running `"docker" "start" "-a" "2ddd498318cb47cad612a52f6edc63e60338bd4498668cb2a345c3cdde7f95e4"` [INFO] [stderr] Checking point24 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::str::FromStr` [INFO] [stderr] --> src/algorithm/lru.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::str::FromStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `thread`, `time` [INFO] [stderr] --> src/algorithm/lru.rs:8:11 [INFO] [stderr] | [INFO] [stderr] 8 | use std::{thread, time}; [INFO] [stderr] | ^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::FromStr` [INFO] [stderr] --> src/algorithm/lru.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::str::FromStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `thread`, `time` [INFO] [stderr] --> src/algorithm/lru.rs:8:11 [INFO] [stderr] | [INFO] [stderr] 8 | use std::{thread, time}; [INFO] [stderr] | ^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::Iterator` [INFO] [stderr] --> src/algorithm/lru.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::iter::Iterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::Iterator` [INFO] [stderr] --> src/algorithm/lru.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::iter::Iterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pre` [INFO] [stderr] warning: unused variable: `pre` [INFO] [stderr] --> src/algorithm/add_two_number.rs:26:17 [INFO] [stderr] | [INFO] [stderr] 26 | let mut pre: i32 = 0; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_pre` [INFO] [stderr] --> src/algorithm/add_two_number.rs:26:17 [INFO] [stderr] | [INFO] [stderr] 26 | let mut pre: i32 = 0; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_pre` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/algorithm/lru.rs:44:18 [INFO] [stderr] | [INFO] [stderr] 44 | Some(data) => {} [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/algorithm/lru.rs:44:18 [INFO] [stderr] | [INFO] [stderr] 44 | Some(data) => {} [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm/add_two_number.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | let mut walker = &l1; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm/add_two_number.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let mut walker2 = &l2; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm/add_two_number.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | let mut pre: i32 = 0; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm/add_two_number.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | let mut walker = &l1; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm/add_two_number.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let mut walker2 = &l2; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm/add_two_number.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | let mut pre: i32 = 0; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm/middle_number.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | let mut i_nums = nums; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problem/mod.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut iter = SelfIter { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm/middle_number.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | let mut i_nums = nums; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problem/mod.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut iter = SelfIter { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused imports: `heap`, `lru`, `middle_number`, `most_long_str`, `most_water` [INFO] [stderr] --> src/main.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use point24::algorithm::{heap, lru, middle_number, most_long_str, most_water, receive_water}; [INFO] [stderr] | ^^^^ ^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `point24::problem` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use point24::problem; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `heap`, `lru`, `middle_number`, `most_long_str`, `most_water` [INFO] [stderr] --> src/main.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use point24::algorithm::{heap, lru, middle_number, most_long_str, most_water, receive_water}; [INFO] [stderr] | ^^^^ ^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `point24::problem` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use point24::problem; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `"docker" "inspect" "2ddd498318cb47cad612a52f6edc63e60338bd4498668cb2a345c3cdde7f95e4"` [INFO] running `"docker" "rm" "-f" "2ddd498318cb47cad612a52f6edc63e60338bd4498668cb2a345c3cdde7f95e4"` [INFO] [stdout] 2ddd498318cb47cad612a52f6edc63e60338bd4498668cb2a345c3cdde7f95e4