[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] testing ben-jl/peuler against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-jl%2Fpeuler" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ben-jl/peuler on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-16/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af269da8e2c354f1f0b6a139130ccf8cbf043fbf565510e0a55470697c6bfd25
[INFO] running `Command { std: "docker" "start" "-a" "af269da8e2c354f1f0b6a139130ccf8cbf043fbf565510e0a55470697c6bfd25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af269da8e2c354f1f0b6a139130ccf8cbf043fbf565510e0a55470697c6bfd25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af269da8e2c354f1f0b6a139130ccf8cbf043fbf565510e0a55470697c6bfd25", kill_on_drop: false }`
[INFO] [stdout] af269da8e2c354f1f0b6a139130ccf8cbf043fbf565510e0a55470697c6bfd25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e1b3f0653f5451f9d4bbaed4bf945e2b1df0b593b5c208144781a95ad5324e4
[INFO] running `Command { std: "docker" "start" "-a" "6e1b3f0653f5451f9d4bbaed4bf945e2b1df0b593b5c208144781a95ad5324e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling peuler v0.1.0 (/opt/rustwide/workdir)
[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: 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: 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] note: `Lattice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/p15.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `SumTriangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/p18.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "6e1b3f0653f5451f9d4bbaed4bf945e2b1df0b593b5c208144781a95ad5324e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1b3f0653f5451f9d4bbaed4bf945e2b1df0b593b5c208144781a95ad5324e4", kill_on_drop: false }`
[INFO] [stdout] 6e1b3f0653f5451f9d4bbaed4bf945e2b1df0b593b5c208144781a95ad5324e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86d113a1d3eb3ccfa036faaca58c7c6dff669ed5b473ab04fbdb49d46233ea8a
[INFO] running `Command { std: "docker" "start" "-a" "86d113a1d3eb3ccfa036faaca58c7c6dff669ed5b473ab04fbdb49d46233ea8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] 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] note: `SumTriangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/p18.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 3 warnings emitted
[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: 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] note: `Lattice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/p15.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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: 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: 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: 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: could not compile `peuler` due to 2 previous errors
[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] note: `Lattice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/p15.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] note: `SumTriangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/p18.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "86d113a1d3eb3ccfa036faaca58c7c6dff669ed5b473ab04fbdb49d46233ea8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d113a1d3eb3ccfa036faaca58c7c6dff669ed5b473ab04fbdb49d46233ea8a", kill_on_drop: false }`
[INFO] [stdout] 86d113a1d3eb3ccfa036faaca58c7c6dff669ed5b473ab04fbdb49d46233ea8a