[INFO] fetching crate colsol 1.0.0...
[INFO] testing colsol-1.0.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate colsol 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate colsol 1.0.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colsol 1.0.0
[INFO] finished tweaking crates.io crate colsol 1.0.0
[INFO] tweaked toml for crates.io crate colsol 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate colsol 1.0.0 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef581becf469acf61664e49f84108f63c1f25fcec86a8a45d5eb8d769715c9e8
[INFO] running `Command { std: "docker" "start" "-a" "ef581becf469acf61664e49f84108f63c1f25fcec86a8a45d5eb8d769715c9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef581becf469acf61664e49f84108f63c1f25fcec86a8a45d5eb8d769715c9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef581becf469acf61664e49f84108f63c1f25fcec86a8a45d5eb8d769715c9e8", kill_on_drop: false }`
[INFO] [stdout] ef581becf469acf61664e49f84108f63c1f25fcec86a8a45d5eb8d769715c9e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 777854ad4440b2a021bd37911d7992fa4d4915f9dfe7872627ecd6169f08073a
[INFO] running `Command { std: "docker" "start" "-a" "777854ad4440b2a021bd37911d7992fa4d4915f9dfe7872627ecd6169f08073a", kill_on_drop: false }`
[INFO] [stderr]    Compiling colsol v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `factorization`, `find_unknown`
[INFO] [stdout]  --> src/tests/test_colsol.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{factorization, find_unknown};
[INFO] [stdout]   |             ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "777854ad4440b2a021bd37911d7992fa4d4915f9dfe7872627ecd6169f08073a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "777854ad4440b2a021bd37911d7992fa4d4915f9dfe7872627ecd6169f08073a", kill_on_drop: false }`
[INFO] [stdout] 777854ad4440b2a021bd37911d7992fa4d4915f9dfe7872627ecd6169f08073a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05697812eed5b37f887e2b5a9a0c4266bfa36859f30bcaa96520d17d507e081d
[INFO] running `Command { std: "docker" "start" "-a" "05697812eed5b37f887e2b5a9a0c4266bfa36859f30bcaa96520d17d507e081d", kill_on_drop: false }`
[INFO] [stderr]    Compiling colsol v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `factorization`, `find_unknown`
[INFO] [stdout]  --> src/tests/test_colsol.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{factorization, find_unknown};
[INFO] [stdout]   |             ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "05697812eed5b37f887e2b5a9a0c4266bfa36859f30bcaa96520d17d507e081d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05697812eed5b37f887e2b5a9a0c4266bfa36859f30bcaa96520d17d507e081d", kill_on_drop: false }`
[INFO] [stdout] 05697812eed5b37f887e2b5a9a0c4266bfa36859f30bcaa96520d17d507e081d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7c4af5c0bc31cf35573604766c98f6e12642dd92aa4b2724ff3bf7d1423bf29
[INFO] running `Command { std: "docker" "start" "-a" "b7c4af5c0bc31cf35573604766c98f6e12642dd92aa4b2724ff3bf7d1423bf29", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `factorization`, `find_unknown`
[INFO] [stderr]  --> src/tests/test_colsol.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{factorization, find_unknown};
[INFO] [stderr]   |             ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `colsol` (lib) generated 1 warning (run `cargo fix --lib -p colsol` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/colsol-64e08fa4886d19c6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_colsol::test_factorization ... ok
[INFO] [stdout] test tests::test_colsol::test_find_unknown ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/colsol-5db5492a9e9f88d6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests colsol
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7c4af5c0bc31cf35573604766c98f6e12642dd92aa4b2724ff3bf7d1423bf29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c4af5c0bc31cf35573604766c98f6e12642dd92aa4b2724ff3bf7d1423bf29", kill_on_drop: false }`
[INFO] [stdout] b7c4af5c0bc31cf35573604766c98f6e12642dd92aa4b2724ff3bf7d1423bf29
