[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 1.44.0 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-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emilio/local-search-algorithms on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-3/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.44.0" "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] 39cb8117416238788f1f20e11f0eb0bad589b154709523eccc4c99b9648a4d5e
[INFO] running `"docker" "start" "-a" "39cb8117416238788f1f20e11f0eb0bad589b154709523eccc4c99b9648a4d5e"`
[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 4.33s
[INFO] running `"docker" "inspect" "39cb8117416238788f1f20e11f0eb0bad589b154709523eccc4c99b9648a4d5e"`
[INFO] running `"docker" "rm" "-f" "39cb8117416238788f1f20e11f0eb0bad589b154709523eccc4c99b9648a4d5e"`
[INFO] [stdout] 39cb8117416238788f1f20e11f0eb0bad589b154709523eccc4c99b9648a4d5e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.44.0" "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] 804a3bbe60a46b3a1f397d9448ee72689fbcdf9c5bdd7042d8a5b24b7da3cdc1
[INFO] running `"docker" "start" "-a" "804a3bbe60a46b3a1f397d9448ee72689fbcdf9c5bdd7042d8a5b24b7da3cdc1"`
[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" "804a3bbe60a46b3a1f397d9448ee72689fbcdf9c5bdd7042d8a5b24b7da3cdc1"`
[INFO] running `"docker" "rm" "-f" "804a3bbe60a46b3a1f397d9448ee72689fbcdf9c5bdd7042d8a5b24b7da3cdc1"`
[INFO] [stdout] 804a3bbe60a46b3a1f397d9448ee72689fbcdf9c5bdd7042d8a5b24b7da3cdc1