[INFO] updating cached repository https://github.com/laucia/euler-project
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fffeb6e3bc76a1c6e944d9b0fc70ba730242af5f
[INFO] checking laucia/euler-project against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaucia%2Feuler-project" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/laucia/euler-project on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/laucia/euler-project
[INFO] removed path dependency algorithm from git repo https://github.com/laucia/euler-project
[INFO] finished tweaking git repo https://github.com/laucia/euler-project
[INFO] tweaked toml for git repo https://github.com/laucia/euler-project written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/laucia/euler-project already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (algorithm) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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[INFO] the lockfile is outdated, regenerating it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 `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (algorithm) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a8c8b57381e932c511b216091e84afaf47ea69bfa6c8a72df5f474e5abc27cfb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a8c8b57381e932c511b216091e84afaf47ea69bfa6c8a72df5f474e5abc27cfb"`
[INFO] [stderr] warning: dependency (algorithm) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking algorithm v0.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking euler v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `algorithm::fibonacci`
[INFO] [stderr]  --> src/bin/2.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use algorithm::fibonacci::fibonacci;
[INFO] [stderr]   |                ^^^^^^^^^ could not find `fibonacci` in `algorithm`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `euler`.
[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[E0432]: unresolved import `algorithm::triangular`
[INFO] [stderr]   --> src/bin/18.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 | use algorithm::triangular::solve_triangle_max_path;
[INFO] [stderr]    |                ^^^^^^^^^^ could not find `triangular` in `algorithm`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `algorithm::prime`
[INFO] [stderr]  --> src/bin/5.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use algorithm::prime::prime_divisor_counts;
[INFO] [stderr]   |                ^^^^^ could not find `prime` in `algorithm`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error[E0432]: unresolved import `algorithm::triangular`
[INFO] [stderr]   --> src/bin/67.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 | use algorithm::triangular::solve_triangle_max_path;
[INFO] [stderr]    |                ^^^^^^^^^^ could not find `triangular` in `algorithm`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `euler`.
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `euler`.
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `euler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a8c8b57381e932c511b216091e84afaf47ea69bfa6c8a72df5f474e5abc27cfb"`
[INFO] running `"docker" "rm" "-f" "a8c8b57381e932c511b216091e84afaf47ea69bfa6c8a72df5f474e5abc27cfb"`
[INFO] [stdout] a8c8b57381e932c511b216091e84afaf47ea69bfa6c8a72df5f474e5abc27cfb