[INFO] cloning repository https://github.com/vascoferreira25/travelling_salesman_problem_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vascoferreira25/travelling_salesman_problem_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvascoferreira25%2Ftravelling_salesman_problem_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvascoferreira25%2Ftravelling_salesman_problem_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1958661ce16fcf14df6dbfd183c6195053b32365
[INFO] testing vascoferreira25/travelling_salesman_problem_rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvascoferreira25%2Ftravelling_salesman_problem_rust" "/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/vascoferreira25/travelling_salesman_problem_rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vascoferreira25/travelling_salesman_problem_rust
[INFO] finished tweaking git repo https://github.com/vascoferreira25/travelling_salesman_problem_rust
[INFO] tweaked toml for git repo https://github.com/vascoferreira25/travelling_salesman_problem_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/vascoferreira25/travelling_salesman_problem_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 395370b305d51776aa400f151d80f3b4c13c5cf529f4e09316430e9acd157fb2
[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" "395370b305d51776aa400f151d80f3b4c13c5cf529f4e09316430e9acd157fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "395370b305d51776aa400f151d80f3b4c13c5cf529f4e09316430e9acd157fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395370b305d51776aa400f151d80f3b4c13c5cf529f4e09316430e9acd157fb2", kill_on_drop: false }`
[INFO] [stdout] 395370b305d51776aa400f151d80f3b4c13c5cf529f4e09316430e9acd157fb2
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] b041d22198d563c50ee7c3f73ae7713fb10d9a699aaf25192d106efe6af0784a
[INFO] running `Command { std: "docker" "start" "-a" "b041d22198d563c50ee7c3f73ae7713fb10d9a699aaf25192d106efe6af0784a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling travelling_salesman_problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "b041d22198d563c50ee7c3f73ae7713fb10d9a699aaf25192d106efe6af0784a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b041d22198d563c50ee7c3f73ae7713fb10d9a699aaf25192d106efe6af0784a", kill_on_drop: false }`
[INFO] [stdout] b041d22198d563c50ee7c3f73ae7713fb10d9a699aaf25192d106efe6af0784a
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb6ec82c86ef68a191421c6301e178c2a74330766b89f312a3d75b7eac50b09b
[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" "fb6ec82c86ef68a191421c6301e178c2a74330766b89f312a3d75b7eac50b09b", kill_on_drop: false }`
[INFO] [stderr]    Compiling travelling_salesman_problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "fb6ec82c86ef68a191421c6301e178c2a74330766b89f312a3d75b7eac50b09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6ec82c86ef68a191421c6301e178c2a74330766b89f312a3d75b7eac50b09b", kill_on_drop: false }`
[INFO] [stdout] fb6ec82c86ef68a191421c6301e178c2a74330766b89f312a3d75b7eac50b09b
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9381936165093994abc9ccbdfa48e097087883610595926bee3ea49a1155c76
[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" "a9381936165093994abc9ccbdfa48e097087883610595926bee3ea49a1155c76", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/genetic_algorithm-6dfff1b82d3e84bc
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/salesman-e5402dcfffe54b28
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests genetic_algorithm
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib/lib.rs - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib/lib.rs - (line 12) stdout ----
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 0 arguments were supplied
[INFO] [stdout]   --> src/lib/lib.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut pop = population::Population::new();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   expected 3 arguments
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `generate_individuals` found for struct `Population` in the current scope
[INFO] [stdout]   --> src/lib/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pop.generate_individuals(cities, 100, 0.2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ method not found in `Population`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib/lib.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "a9381936165093994abc9ccbdfa48e097087883610595926bee3ea49a1155c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9381936165093994abc9ccbdfa48e097087883610595926bee3ea49a1155c76", kill_on_drop: false }`
[INFO] [stdout] a9381936165093994abc9ccbdfa48e097087883610595926bee3ea49a1155c76