[INFO] updating cached repository https://github.com/emilio/local-search-algorithms
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 566736597ff5adccdf578bdfbd5582a36527b70e
[INFO] testing emilio/local-search-algorithms against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilio%2Flocal-search-algorithms" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emilio/local-search-algorithms on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[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-13/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88a0d50f4235a72bcb7dbf32102b8e6675e4b241f809442fdd2dc43dcce4664d
[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" "88a0d50f4235a72bcb7dbf32102b8e6675e4b241f809442fdd2dc43dcce4664d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88a0d50f4235a72bcb7dbf32102b8e6675e4b241f809442fdd2dc43dcce4664d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a0d50f4235a72bcb7dbf32102b8e6675e4b241f809442fdd2dc43dcce4664d", kill_on_drop: false }`
[INFO] [stdout] 88a0d50f4235a72bcb7dbf32102b8e6675e4b241f809442fdd2dc43dcce4664d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16d2b51d864279168f218c45f28211363c8080a94e684f78bfbf069c50ee22d8
[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" "16d2b51d864279168f218c45f28211363c8080a94e684f78bfbf069c50ee22d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling local-search-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "16d2b51d864279168f218c45f28211363c8080a94e684f78bfbf069c50ee22d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d2b51d864279168f218c45f28211363c8080a94e684f78bfbf069c50ee22d8", kill_on_drop: false }`
[INFO] [stdout] 16d2b51d864279168f218c45f28211363c8080a94e684f78bfbf069c50ee22d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6bfb24d27eeba9020f05b8bf258255507980a942292330fb41b4d1a2846879a
[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" "c6bfb24d27eeba9020f05b8bf258255507980a942292330fb41b4d1a2846879a", kill_on_drop: false }`
[INFO] [stderr]    Compiling local-search-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `can_position` found for struct `constraint_propagation::ConstraintPropagation` in the current scope
[INFO] [stdout]    --> src/main.rs:148:31
[INFO] [stdout]     |
[INFO] [stdout] 73  |     pub struct ConstraintPropagation {
[INFO] [stdout]     |     -------------------------------- method `can_position` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 148 |             assert!(challenge.can_position(pos(0, 0), pos(0, 0)).is_err());
[INFO] [stdout]     |                               ^^^^^^^^^^^^ method not found in `constraint_propagation::ConstraintPropagation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `can_position` found for struct `constraint_propagation::ConstraintPropagation` in the current scope
[INFO] [stdout]    --> src/main.rs:149:31
[INFO] [stdout]     |
[INFO] [stdout] 73  |     pub struct ConstraintPropagation {
[INFO] [stdout]     |     -------------------------------- method `can_position` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 149 |             assert!(challenge.can_position(pos(0, 1), pos(0, 0)).is_err());
[INFO] [stdout]     |                               ^^^^^^^^^^^^ method not found in `constraint_propagation::ConstraintPropagation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `can_position` found for struct `constraint_propagation::ConstraintPropagation` in the current scope
[INFO] [stdout]    --> src/main.rs:150:31
[INFO] [stdout]     |
[INFO] [stdout] 73  |     pub struct ConstraintPropagation {
[INFO] [stdout]     |     -------------------------------- method `can_position` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 150 |             assert!(challenge.can_position(pos(1, 0), pos(0, 0)).is_err());
[INFO] [stdout]     |                               ^^^^^^^^^^^^ method not found in `constraint_propagation::ConstraintPropagation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `can_position` found for struct `constraint_propagation::ConstraintPropagation` in the current scope
[INFO] [stdout]    --> src/main.rs:151:31
[INFO] [stdout]     |
[INFO] [stdout] 73  |     pub struct ConstraintPropagation {
[INFO] [stdout]     |     -------------------------------- method `can_position` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 151 |             assert!(challenge.can_position(pos(1, 1), pos(5, 5)).is_err());
[INFO] [stdout]     |                               ^^^^^^^^^^^^ method not found in `constraint_propagation::ConstraintPropagation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `can_position` found for struct `constraint_propagation::ConstraintPropagation` in the current scope
[INFO] [stdout]    --> src/main.rs:152:31
[INFO] [stdout]     |
[INFO] [stdout] 73  |     pub struct ConstraintPropagation {
[INFO] [stdout]     |     -------------------------------- method `can_position` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 152 |             assert!(challenge.can_position(pos(3, 2), pos(2, 3)).is_err());
[INFO] [stdout]     |                               ^^^^^^^^^^^^ method not found in `constraint_propagation::ConstraintPropagation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `local-search-algorithms`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c6bfb24d27eeba9020f05b8bf258255507980a942292330fb41b4d1a2846879a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6bfb24d27eeba9020f05b8bf258255507980a942292330fb41b4d1a2846879a", kill_on_drop: false }`
[INFO] [stdout] c6bfb24d27eeba9020f05b8bf258255507980a942292330fb41b4d1a2846879a