[INFO] cloning repository https://github.com/EvanSeverson/QuadraticSieve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EvanSeverson/QuadraticSieve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvanSeverson%2FQuadraticSieve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvanSeverson%2FQuadraticSieve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd025b6e2935dcef6f430a70ccb3ecf454b7dc0e
[INFO] checking EvanSeverson/QuadraticSieve against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvanSeverson%2FQuadraticSieve" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EvanSeverson/QuadraticSieve
[INFO] finished tweaking git repo https://github.com/EvanSeverson/QuadraticSieve
[INFO] tweaked toml for git repo https://github.com/EvanSeverson/QuadraticSieve written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EvanSeverson/QuadraticSieve on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EvanSeverson/QuadraticSieve 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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 107e13200c9115cec7fe70859549436b81e9877936c6a0c1f03e2e4b9edf8a3f
[INFO] running `Command { std: "docker" "start" "107e13200c9115cec7fe70859549436b81e9877936c6a0c1f03e2e4b9edf8a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107e13200c9115cec7fe70859549436b81e9877936c6a0c1f03e2e4b9edf8a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "107e13200c9115cec7fe70859549436b81e9877936c6a0c1f03e2e4b9edf8a3f" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107e13200c9115cec7fe70859549436b81e9877936c6a0c1f03e2e4b9edf8a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "107e13200c9115cec7fe70859549436b81e9877936c6a0c1f03e2e4b9edf8a3f" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking quadratic_sieve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `U512`
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod U512;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `U512`, create file "src/U512.rs" or "src/U512/mod.rs"
[INFO] [stdout]   = note: if there is a `mod U512` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `U512`
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod U512;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `U512`, create file "src/U512.rs" or "src/U512/mod.rs"
[INFO] [stdout]   = note: if there is a `mod U512` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Integer` and `Roots`
[INFO] [stdout]  --> src/main.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num_integer::{Roots, Integer};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Num`, `One`, and `Zero`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num_traits::{Num, One, Zero};
[INFO] [stdout]   |                  ^^^  ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Mul;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Integer` and `Roots`
[INFO] [stdout]  --> src/main.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num_integer::{Roots, Integer};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Num`, `One`, and `Zero`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num_traits::{Num, One, Zero};
[INFO] [stdout]   |                  ^^^  ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Mul;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quadratic_sieve` (bin "quadratic_sieve") due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quadratic_sieve` (bin "quadratic_sieve" test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "107e13200c9115cec7fe70859549436b81e9877936c6a0c1f03e2e4b9edf8a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107e13200c9115cec7fe70859549436b81e9877936c6a0c1f03e2e4b9edf8a3f", kill_on_drop: false }`
[INFO] [stdout] 107e13200c9115cec7fe70859549436b81e9877936c6a0c1f03e2e4b9edf8a3f
