[INFO] fetching crate rust_ga 0.1.8...
[INFO] testing rust_ga-0.1.8 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate rust_ga 0.1.8 into /workspace/builds/worker-5-tc2/source
[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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_ga 0.1.8 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dacbdc7c57cf6957266448785a54d7f29fe01e3f939ce31c628b452ba690573
[INFO] running `Command { std: "docker" "start" "-a" "9dacbdc7c57cf6957266448785a54d7f29fe01e3f939ce31c628b452ba690573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dacbdc7c57cf6957266448785a54d7f29fe01e3f939ce31c628b452ba690573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dacbdc7c57cf6957266448785a54d7f29fe01e3f939ce31c628b452ba690573", kill_on_drop: false }`
[INFO] [stdout] 9dacbdc7c57cf6957266448785a54d7f29fe01e3f939ce31c628b452ba690573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9d08468d093eddb059e16e5b2ec02b3c6ec226f160e2511f20087666fadc2b2
[INFO] running `Command { std: "docker" "start" "-a" "e9d08468d093eddb059e16e5b2ec02b3c6ec226f160e2511f20087666fadc2b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]    Compiling getrandom v0.1.16
[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 rust_ga v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "e9d08468d093eddb059e16e5b2ec02b3c6ec226f160e2511f20087666fadc2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d08468d093eddb059e16e5b2ec02b3c6ec226f160e2511f20087666fadc2b2", kill_on_drop: false }`
[INFO] [stdout] e9d08468d093eddb059e16e5b2ec02b3c6ec226f160e2511f20087666fadc2b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8a5cec69768deb8fe9b4eeae25b888c64c1c69c831dcc59bef1a488390f9cff
[INFO] running `Command { std: "docker" "start" "-a" "e8a5cec69768deb8fe9b4eeae25b888c64c1c69c831dcc59bef1a488390f9cff", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_ga v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e8a5cec69768deb8fe9b4eeae25b888c64c1c69c831dcc59bef1a488390f9cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a5cec69768deb8fe9b4eeae25b888c64c1c69c831dcc59bef1a488390f9cff", kill_on_drop: false }`
[INFO] [stdout] e8a5cec69768deb8fe9b4eeae25b888c64c1c69c831dcc59bef1a488390f9cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d40602ac50a10304c7dbc9b37aefea16843b5c06e27f08479a56a84c84f8abb1
[INFO] running `Command { std: "docker" "start" "-a" "d40602ac50a10304c7dbc9b37aefea16843b5c06e27f08479a56a84c84f8abb1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_ga-392a8e8d0dd809ac)
[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; finished in 5.71s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/ga.rs - ga::Population<T>::next_generation (line 84) ... FAILED
[INFO] [stdout] test src/ga.rs - ga::Population<T>::new (line 29) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] 85 | 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] 86 |     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] 87 |     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] ---- src/ga.rs - ga::Population<T>::new (line 29) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Population` in this scope
[INFO] [stdout]   --> src/ga.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 | 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] 29 + use rust_ga::Population;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Gene` in this scope
[INFO] [stdout]   --> src/ga.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 | let mut population: Population<Gene> = Population::new(size);
[INFO] [stdout]    |                                ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_ga_rs_29_0<Gene>() {
[INFO] [stdout]    |                                                                     ++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Population`
[INFO] [stdout]   --> src/ga.rs:31:40
[INFO] [stdout]    |
[INFO] [stdout] 31 | let mut population: Population<Gene> = Population::new(size);
[INFO] [stdout]    |                                        ^^^^^^^^^^ use of undeclared type `Population`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 29 + 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] 31 | 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: E0425, E0433.
[INFO] [stdout] For more information about an 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; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d40602ac50a10304c7dbc9b37aefea16843b5c06e27f08479a56a84c84f8abb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40602ac50a10304c7dbc9b37aefea16843b5c06e27f08479a56a84c84f8abb1", kill_on_drop: false }`
[INFO] [stdout] d40602ac50a10304c7dbc9b37aefea16843b5c06e27f08479a56a84c84f8abb1
