[INFO] fetching crate rust_ga 0.1.8...
[INFO] testing rust_ga-0.1.8 against 1.47.0 for beta-1.48-1
[INFO] extracting crate rust_ga 0.1.8 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rust_ga 0.1.8 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_ga 0.1.8
[INFO] finished tweaking crates.io crate rust_ga 0.1.8
[INFO] tweaked toml for crates.io crate rust_ga 0.1.8 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19e865e62dc33dd28e00fd646d6fe29d94d50f059b41e2addcd87689ad81e2ed
[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" "19e865e62dc33dd28e00fd646d6fe29d94d50f059b41e2addcd87689ad81e2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19e865e62dc33dd28e00fd646d6fe29d94d50f059b41e2addcd87689ad81e2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e865e62dc33dd28e00fd646d6fe29d94d50f059b41e2addcd87689ad81e2ed", kill_on_drop: false }`
[INFO] [stdout] 19e865e62dc33dd28e00fd646d6fe29d94d50f059b41e2addcd87689ad81e2ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ed99d6ca083644ded5f2bbc2372622f14634415f1de17c79274b5f89044f212
[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" "9ed99d6ca083644ded5f2bbc2372622f14634415f1de17c79274b5f89044f212", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_ga v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "9ed99d6ca083644ded5f2bbc2372622f14634415f1de17c79274b5f89044f212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed99d6ca083644ded5f2bbc2372622f14634415f1de17c79274b5f89044f212", kill_on_drop: false }`
[INFO] [stdout] 9ed99d6ca083644ded5f2bbc2372622f14634415f1de17c79274b5f89044f212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26966583c5848a1f12c37d99ee9c0c398d97fdacff74260975eb63a6160ddbad
[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" "26966583c5848a1f12c37d99ee9c0c398d97fdacff74260975eb63a6160ddbad", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_ga v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "26966583c5848a1f12c37d99ee9c0c398d97fdacff74260975eb63a6160ddbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26966583c5848a1f12c37d99ee9c0c398d97fdacff74260975eb63a6160ddbad", kill_on_drop: false }`
[INFO] [stdout] 26966583c5848a1f12c37d99ee9c0c398d97fdacff74260975eb63a6160ddbad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", 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] 78ae0f3503204d462168b36f301207ec0342169ec3ff1d4eabf2bad5aaa8d05e
[INFO] running `Command { std: "docker" "start" "-a" "78ae0f3503204d462168b36f301207ec0342169ec3ff1d4eabf2bad5aaa8d05e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_ga-007f11ec227c91db
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rust_ga
[INFO] [stdout] test tests::test_shakespear ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/ga.rs - ga::Population<T>::new (line 29) ... FAILED
[INFO] [stdout] test src/ga.rs - ga::Population<T>::next_generation (line 84) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/ga.rs - ga::Population<T>::new (line 29) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `Population` in this scope
[INFO] [stdout]  --> src/ga.rs:31:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut population: Population<Gene> = Population::new(size);
[INFO] [stdout]   |                     ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_ga::Population;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Gene` in this scope
[INFO] [stdout]  --> src/ga.rs:31:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut population: Population<Gene> = Population::new(size);
[INFO] [stdout]   |                                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Population`
[INFO] [stdout]  --> src/ga.rs:31:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut population: Population<Gene> = Population::new(size);
[INFO] [stdout]   |                                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_ga::Population;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `size` in this scope
[INFO] [stdout]  --> src/ga.rs:31:56
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut population: Population<Gene> = Population::new(size);
[INFO] [stdout]   |                                                        ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ga.rs - ga::Population<T>::next_generation (line 84) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `num_generations` in this scope
[INFO] [stdout]  --> src/ga.rs:85:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | for _ in 0..num_generations {
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `population` in this scope
[INFO] [stdout]  --> src/ga.rs:86:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     population.live();
[INFO] [stdout]   |     ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `population` in this scope
[INFO] [stdout]  --> src/ga.rs:87:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     population.next_generation();
[INFO] [stdout]   |     ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/ga.rs - ga::Population<T>::new (line 29)
[INFO] [stdout]     src/ga.rs - ga::Population<T>::next_generation (line 84)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "78ae0f3503204d462168b36f301207ec0342169ec3ff1d4eabf2bad5aaa8d05e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ae0f3503204d462168b36f301207ec0342169ec3ff1d4eabf2bad5aaa8d05e", kill_on_drop: false }`
[INFO] [stdout] 78ae0f3503204d462168b36f301207ec0342169ec3ff1d4eabf2bad5aaa8d05e
