[INFO] updating cached repository https://github.com/emilio/local-search-algorithms
[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] 566736597ff5adccdf578bdfbd5582a36527b70e
[INFO] testing emilio/local-search-algorithms against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilio%2Flocal-search-algorithms" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emilio/local-search-algorithms on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/emilio/local-search-algorithms
[INFO] finished tweaking git repo https://github.com/emilio/local-search-algorithms
[INFO] tweaked toml for git repo https://github.com/emilio/local-search-algorithms written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/emilio/local-search-algorithms already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4da5189e7155b3600ea4b60927f54ef68a87f5cac6c332f0311c9fab8cb12573
[INFO] running `"docker" "start" "-a" "4da5189e7155b3600ea4b60927f54ef68a87f5cac6c332f0311c9fab8cb12573"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling local-search-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `"docker" "inspect" "4da5189e7155b3600ea4b60927f54ef68a87f5cac6c332f0311c9fab8cb12573"`
[INFO] running `"docker" "rm" "-f" "4da5189e7155b3600ea4b60927f54ef68a87f5cac6c332f0311c9fab8cb12573"`
[INFO] [stdout] 4da5189e7155b3600ea4b60927f54ef68a87f5cac6c332f0311c9fab8cb12573
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75b52024a4a34ff4fec8a76c57557210f152a7e712bc3ec9bdc6614202ab68f6
[INFO] running `"docker" "start" "-a" "75b52024a4a34ff4fec8a76c57557210f152a7e712bc3ec9bdc6614202ab68f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling local-search-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `can_position` found for struct `constraint_propagation::ConstraintPropagation` in the current scope
[INFO] [stderr]    --> src/main.rs:148:31
[INFO] [stderr]     |
[INFO] [stderr] 73  |     pub struct ConstraintPropagation {
[INFO] [stderr]     |     -------------------------------- method `can_position` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 148 |             assert!(challenge.can_position(pos(0, 0), pos(0, 0)).is_err());
[INFO] [stderr]     |                               ^^^^^^^^^^^^ method not found in `constraint_propagation::ConstraintPropagation`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `can_position` found for struct `constraint_propagation::ConstraintPropagation` in the current scope
[INFO] [stderr]    --> src/main.rs:149:31
[INFO] [stderr]     |
[INFO] [stderr] 73  |     pub struct ConstraintPropagation {
[INFO] [stderr]     |     -------------------------------- method `can_position` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 149 |             assert!(challenge.can_position(pos(0, 1), pos(0, 0)).is_err());
[INFO] [stderr]     |                               ^^^^^^^^^^^^ method not found in `constraint_propagation::ConstraintPropagation`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `can_position` found for struct `constraint_propagation::ConstraintPropagation` in the current scope
[INFO] [stderr]    --> src/main.rs:150:31
[INFO] [stderr]     |
[INFO] [stderr] 73  |     pub struct ConstraintPropagation {
[INFO] [stderr]     |     -------------------------------- method `can_position` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 150 |             assert!(challenge.can_position(pos(1, 0), pos(0, 0)).is_err());
[INFO] [stderr]     |                               ^^^^^^^^^^^^ method not found in `constraint_propagation::ConstraintPropagation`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `can_position` found for struct `constraint_propagation::ConstraintPropagation` in the current scope
[INFO] [stderr]    --> src/main.rs:151:31
[INFO] [stderr]     |
[INFO] [stderr] 73  |     pub struct ConstraintPropagation {
[INFO] [stderr]     |     -------------------------------- method `can_position` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 151 |             assert!(challenge.can_position(pos(1, 1), pos(5, 5)).is_err());
[INFO] [stderr]     |                               ^^^^^^^^^^^^ method not found in `constraint_propagation::ConstraintPropagation`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `can_position` found for struct `constraint_propagation::ConstraintPropagation` in the current scope
[INFO] [stderr]    --> src/main.rs:152:31
[INFO] [stderr]     |
[INFO] [stderr] 73  |     pub struct ConstraintPropagation {
[INFO] [stderr]     |     -------------------------------- method `can_position` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 152 |             assert!(challenge.can_position(pos(3, 2), pos(2, 3)).is_err());
[INFO] [stderr]     |                               ^^^^^^^^^^^^ method not found in `constraint_propagation::ConstraintPropagation`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `local-search-algorithms`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "75b52024a4a34ff4fec8a76c57557210f152a7e712bc3ec9bdc6614202ab68f6"`
[INFO] running `"docker" "rm" "-f" "75b52024a4a34ff4fec8a76c57557210f152a7e712bc3ec9bdc6614202ab68f6"`
[INFO] [stdout] 75b52024a4a34ff4fec8a76c57557210f152a7e712bc3ec9bdc6614202ab68f6