[INFO] cloning repository https://github.com/ben-jl/peuler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ben-jl/peuler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-jl%2Fpeuler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-jl%2Fpeuler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37d1b0ae8ad4d6c3fd0fe96e3c954e2b9a84c886
[INFO] checking ben-jl/peuler against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-jl%2Fpeuler" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ben-jl/peuler on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ben-jl/peuler
[INFO] finished tweaking git repo https://github.com/ben-jl/peuler
[INFO] tweaked toml for git repo https://github.com/ben-jl/peuler written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/ben-jl/peuler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26ae141a511a582cd7b53c271202422f3acad0de697e685f6c4bfe6a87428a51
[INFO] running `Command { std: "docker" "start" "-a" "26ae141a511a582cd7b53c271202422f3acad0de697e685f6c4bfe6a87428a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26ae141a511a582cd7b53c271202422f3acad0de697e685f6c4bfe6a87428a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26ae141a511a582cd7b53c271202422f3acad0de697e685f6c4bfe6a87428a51", kill_on_drop: false }`
[INFO] [stdout] 26ae141a511a582cd7b53c271202422f3acad0de697e685f6c4bfe6a87428a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb2fb70944ffc9daedecd16bac2297bfb41d97867b35a66a4721fbca9b0101a5
[INFO] running `Command { std: "docker" "start" "-a" "eb2fb70944ffc9daedecd16bac2297bfb41d97867b35a66a4721fbca9b0101a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking peuler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/bin/p18.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `criterion`
[INFO] [stdout]  --> benches/prime_benchmarks.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `criterion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `peulerlib`
[INFO] [stdout]  --> benches/prime_benchmarks.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use peulerlib;
[INFO] [stdout]   |     ^^^^^^^^^ no external crate `peulerlib`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `criterion_main`
[INFO] [stdout]   --> benches/prime_benchmarks.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | criterion_main!(benches);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `criterion_group`
[INFO] [stdout]   --> benches/prime_benchmarks.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | criterion_group!(benches, sieve_basic_bencmark, collatz_basic_bench);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> benches/prime_benchmarks.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for i in (2..n) {
[INFO] [stdout]    |              ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -     for i in (2..n) {
[INFO] [stdout] 11 +     for i in 2..n {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> benches/prime_benchmarks.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |         if(val.len() > largest_seen_vec.len()) {
[INFO] [stdout]    |           ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -         if(val.len() > largest_seen_vec.len()) {
[INFO] [stdout] 13 +         if val.len() > largest_seen_vec.len() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Iter`, `VecDeque`
[INFO] [stdout]  --> src/bin/p15.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::vec_deque::{VecDeque, Iter};
[INFO] [stdout]   |                                   ^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `peulerlib`
[INFO] [stdout]  --> tests/prime_sieve_tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use peulerlib;
[INFO] [stdout]   |     ^^^^^^^^^ no external crate `peulerlib`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_ix`
[INFO] [stdout]   --> src/bin/p18.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     max_ix: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_input`
[INFO] [stdout]   --> src/bin/p18.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn load_input(path: &std::path::Path) -> std::io::Result<Vec<u32>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/bin/p18.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Iter`, `VecDeque`
[INFO] [stdout]  --> src/bin/p15.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::vec_deque::{VecDeque, Iter};
[INFO] [stdout]   |                                   ^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/bin/p15.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     width: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_ix`
[INFO] [stdout]   --> src/bin/p18.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     max_ix: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_input`
[INFO] [stdout]   --> src/bin/p18.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn load_input(path: &std::path::Path) -> std::io::Result<Vec<u32>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/bin/p15.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     width: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `peuler` due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eb2fb70944ffc9daedecd16bac2297bfb41d97867b35a66a4721fbca9b0101a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2fb70944ffc9daedecd16bac2297bfb41d97867b35a66a4721fbca9b0101a5", kill_on_drop: false }`
[INFO] [stdout] eb2fb70944ffc9daedecd16bac2297bfb41d97867b35a66a4721fbca9b0101a5