[INFO] updating cached repository neelayjunnarkar/Proj_Euler [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/neelayjunnarkar/Proj_Euler [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/neelayjunnarkar/Proj_Euler" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/neelayjunnarkar/Proj_Euler"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/neelayjunnarkar/Proj_Euler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/neelayjunnarkar/Proj_Euler" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/neelayjunnarkar/Proj_Euler"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/neelayjunnarkar/Proj_Euler'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2fcfe938b1c1c1701e44573307a329796fa3186f [INFO] sha for GitHub repo neelayjunnarkar/Proj_Euler: 2fcfe938b1c1c1701e44573307a329796fa3186f [INFO] validating manifest of neelayjunnarkar/Proj_Euler on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of neelayjunnarkar/Proj_Euler on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing neelayjunnarkar/Proj_Euler [INFO] finished frobbing neelayjunnarkar/Proj_Euler [INFO] frobbed toml for neelayjunnarkar/Proj_Euler written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/neelayjunnarkar/Proj_Euler/Cargo.toml [INFO] started frobbing neelayjunnarkar/Proj_Euler [INFO] finished frobbing neelayjunnarkar/Proj_Euler [INFO] frobbed toml for neelayjunnarkar/Proj_Euler written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/neelayjunnarkar/Proj_Euler/Cargo.toml [INFO] crate neelayjunnarkar/Proj_Euler already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking neelayjunnarkar/Proj_Euler against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/neelayjunnarkar/Proj_Euler:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1ed13f823d1ad3caf0c52d45ab288ce6d3e2e32d77af5c78d74deac20a192d80 [INFO] running `"docker" "start" "-a" "1ed13f823d1ad3caf0c52d45ab288ce6d3e2e32d77af5c78d74deac20a192d80"` [INFO] [stderr] Checking Proj_Euler v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::num::*` [INFO] [stderr] --> src/prob3.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::num::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: label name `'y_pos` shadows a label name that is already in scope [INFO] [stderr] --> src/prob11.rs:106:9 [INFO] [stderr] | [INFO] [stderr] 90 | 'y_pos: for y in 0..(h-n_adjacents) { [INFO] [stderr] | ------ first declared here [INFO] [stderr] ... [INFO] [stderr] 106 | 'y_pos: for y in 0..(h-n_adjacents) { [INFO] [stderr] | ^^^^^^ lifetime 'y_pos already in scope [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::num::*` [INFO] [stderr] --> src/prob3.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::num::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: label name `'y_pos` shadows a label name that is already in scope [INFO] [stderr] --> src/prob11.rs:106:9 [INFO] [stderr] | [INFO] [stderr] 90 | 'y_pos: for y in 0..(h-n_adjacents) { [INFO] [stderr] | ------ first declared here [INFO] [stderr] ... [INFO] [stderr] 106 | 'y_pos: for y in 0..(h-n_adjacents) { [INFO] [stderr] | ^^^^^^ lifetime 'y_pos already in scope [INFO] [stderr] [INFO] [stderr] warning: value assigned to `temp_max` is never read [INFO] [stderr] --> src/prob11.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | let mut temp_max = 1; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `temp_max` is never read [INFO] [stderr] --> src/prob11.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | temp_max = 1; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `temp_max` is never read [INFO] [stderr] --> src/prob11.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | temp_max = 1; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `temp_max` is never read [INFO] [stderr] --> src/prob11.rs:102:5 [INFO] [stderr] | [INFO] [stderr] 102 | temp_max = 1; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `temp_max` is never read [INFO] [stderr] --> src/prob11.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | let mut temp_max = 1; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `temp_max` is never read [INFO] [stderr] --> src/prob11.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | temp_max = 1; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `temp_max` is never read [INFO] [stderr] --> src/prob11.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | temp_max = 1; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `temp_max` is never read [INFO] [stderr] --> src/prob11.rs:102:5 [INFO] [stderr] | [INFO] [stderr] 102 | temp_max = 1; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: function is never used: `factorial` [INFO] [stderr] --> src/prob15.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | fn factorial(n: u64) -> u64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate `Proj_Euler` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `proj_euler` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/prob7.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | / (1..55_250).map(|x|x*2+1) [INFO] [stderr] 7 | | .filter(|&x| -> bool { [INFO] [stderr] 8 | | for prime in &primes { [INFO] [stderr] 9 | | if x % *prime == 0 && x != *prime { return false } [INFO] [stderr] ... | [INFO] [stderr] 14 | | }) [INFO] [stderr] 15 | | .collect::>(); [INFO] [stderr] | |_______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: function is never used: `factorial` [INFO] [stderr] --> src/prob15.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | fn factorial(n: u64) -> u64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate `Proj_Euler` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `proj_euler` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/prob7.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | / (1..55_250).map(|x|x*2+1) [INFO] [stderr] 7 | | .filter(|&x| -> bool { [INFO] [stderr] 8 | | for prime in &primes { [INFO] [stderr] 9 | | if x % *prime == 0 && x != *prime { return false } [INFO] [stderr] ... | [INFO] [stderr] 14 | | }) [INFO] [stderr] 15 | | .collect::>(); [INFO] [stderr] | |_______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:2:13 [INFO] [stderr] | [INFO] [stderr] 2 | #[macro_use(run)] [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate `Proj_Euler` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `proj_euler` [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:2:13 [INFO] [stderr] | [INFO] [stderr] 2 | #[macro_use(run)] [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate `Proj_Euler` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `proj_euler` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.47s [INFO] running `"docker" "inspect" "1ed13f823d1ad3caf0c52d45ab288ce6d3e2e32d77af5c78d74deac20a192d80"` [INFO] running `"docker" "rm" "-f" "1ed13f823d1ad3caf0c52d45ab288ce6d3e2e32d77af5c78d74deac20a192d80"` [INFO] [stdout] 1ed13f823d1ad3caf0c52d45ab288ce6d3e2e32d77af5c78d74deac20a192d80