[INFO] cloning repository https://github.com/nordberg/rust-factorization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nordberg/rust-factorization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnordberg%2Frust-factorization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnordberg%2Frust-factorization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16adb817add98ed3b70adf372e36c6eaed75e0b7
[INFO] testing nordberg/rust-factorization against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnordberg%2Frust-factorization" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nordberg/rust-factorization on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nordberg/rust-factorization
[INFO] finished tweaking git repo https://github.com/nordberg/rust-factorization
[INFO] tweaked toml for git repo https://github.com/nordberg/rust-factorization written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/nordberg/rust-factorization already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cecd42949205f8ef405251bc7004104b88dc6ab6c51332f7940f18903a766a9
[INFO] running `Command { std: "docker" "start" "-a" "8cecd42949205f8ef405251bc7004104b88dc6ab6c51332f7940f18903a766a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cecd42949205f8ef405251bc7004104b88dc6ab6c51332f7940f18903a766a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cecd42949205f8ef405251bc7004104b88dc6ab6c51332f7940f18903a766a9", kill_on_drop: false }`
[INFO] [stdout] 8cecd42949205f8ef405251bc7004104b88dc6ab6c51332f7940f18903a766a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c49d1c33430669a5f62db218c6802ed2ab7c87cfceff96ed85e731e8594705fa
[INFO] running `Command { std: "docker" "start" "-a" "c49d1c33430669a5f62db218c6802ed2ab7c87cfceff96ed85e731e8594705fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.5
[INFO] [stderr]    Compiling libc v0.2.2
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.3.12
[INFO] [stderr]    Compiling factorization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.29s
[INFO] running `Command { std: "docker" "inspect" "c49d1c33430669a5f62db218c6802ed2ab7c87cfceff96ed85e731e8594705fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49d1c33430669a5f62db218c6802ed2ab7c87cfceff96ed85e731e8594705fa", kill_on_drop: false }`
[INFO] [stdout] c49d1c33430669a5f62db218c6802ed2ab7c87cfceff96ed85e731e8594705fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 348437f17ace9aa239ca858141779b01cfd25bd888739b0748ccbf5b4cc9bef7
[INFO] running `Command { std: "docker" "start" "-a" "348437f17ace9aa239ca858141779b01cfd25bd888739b0748ccbf5b4cc9bef7", kill_on_drop: false }`
[INFO] [stderr]    Compiling factorization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `build_factor_string` in crate `factorization`
[INFO] [stdout]   --> tests/lib.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     assert_eq!(factorization::build_factor_string(9), "3^2");
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^ not found in `factorization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build_factor_string` in crate `factorization`
[INFO] [stdout]   --> tests/lib.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     assert_eq!(factorization::build_factor_string(25), "5^2");
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^ not found in `factorization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build_factor_string` in crate `factorization`
[INFO] [stdout]   --> tests/lib.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |     assert_eq!(factorization::build_factor_string(64), "8^2");
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^ not found in `factorization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build_factor_string` in crate `factorization`
[INFO] [stdout]   --> tests/lib.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     assert_eq!(factorization::build_factor_string(2), "2^1");
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^ not found in `factorization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build_factor_string` in crate `factorization`
[INFO] [stdout]   --> tests/lib.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     assert_eq!(factorization::build_factor_string(4), "2^2");
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^ not found in `factorization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build_factor_string` in crate `factorization`
[INFO] [stdout]   --> tests/lib.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |     assert_eq!(factorization::build_factor_string(8), "2^3");
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^ not found in `factorization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build_factor_string` in crate `factorization`
[INFO] [stdout]   --> tests/lib.rs:30:31
[INFO] [stdout]    |
[INFO] [stdout] 30 |     assert_eq!(factorization::build_factor_string(16), "2^4");
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^ not found in `factorization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build_factor_string` in crate `factorization`
[INFO] [stdout]   --> tests/lib.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |     assert_eq!(factorization::build_factor_string(32), "2^5");
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^ not found in `factorization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build_factor_string` in crate `factorization`
[INFO] [stdout]   --> tests/lib.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |     assert_eq!(factorization::build_factor_string(64), "2^6");
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^ not found in `factorization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build_factor_string` in crate `factorization`
[INFO] [stdout]   --> tests/lib.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert_eq!(factorization::build_factor_string(128), "2^7");
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^ not found in `factorization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `factorization`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "348437f17ace9aa239ca858141779b01cfd25bd888739b0748ccbf5b4cc9bef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "348437f17ace9aa239ca858141779b01cfd25bd888739b0748ccbf5b4cc9bef7", kill_on_drop: false }`
[INFO] [stdout] 348437f17ace9aa239ca858141779b01cfd25bd888739b0748ccbf5b4cc9bef7
