[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 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnordberg%2Frust-factorization" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nordberg/rust-factorization on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f39cedbe0282b667e8cad87a88dd527145fdb7ab530e63c63d41041f23e2fd1
[INFO] running `Command { std: "docker" "start" "-a" "1f39cedbe0282b667e8cad87a88dd527145fdb7ab530e63c63d41041f23e2fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f39cedbe0282b667e8cad87a88dd527145fdb7ab530e63c63d41041f23e2fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f39cedbe0282b667e8cad87a88dd527145fdb7ab530e63c63d41041f23e2fd1", kill_on_drop: false }`
[INFO] [stdout] 1f39cedbe0282b667e8cad87a88dd527145fdb7ab530e63c63d41041f23e2fd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3f302d8c61be845a161d86c1ccd3de2440a8c48073895e377a893f901660dcc
[INFO] running `Command { std: "docker" "start" "-a" "c3f302d8c61be845a161d86c1ccd3de2440a8c48073895e377a893f901660dcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling factorization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "c3f302d8c61be845a161d86c1ccd3de2440a8c48073895e377a893f901660dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f302d8c61be845a161d86c1ccd3de2440a8c48073895e377a893f901660dcc", kill_on_drop: false }`
[INFO] [stdout] c3f302d8c61be845a161d86c1ccd3de2440a8c48073895e377a893f901660dcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 482c6e333f25f07c781cd792a048d1d81e24c930b127a3c330f4334797f551de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "482c6e333f25f07c781cd792a048d1d81e24c930b127a3c330f4334797f551de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "482c6e333f25f07c781cd792a048d1d81e24c930b127a3c330f4334797f551de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482c6e333f25f07c781cd792a048d1d81e24c930b127a3c330f4334797f551de", kill_on_drop: false }`
[INFO] [stdout] 482c6e333f25f07c781cd792a048d1d81e24c930b127a3c330f4334797f551de
