[INFO] fetching crate genx 0.4.0...
[INFO] testing genx-0.4.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate genx 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate genx 0.4.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate genx 0.4.0
[INFO] finished tweaking crates.io crate genx 0.4.0
[INFO] tweaked toml for crates.io crate genx 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate genx 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 91bb2bc35e42fdb409d4be754545f5df242cbf9c958fd6816d5479d765e03ee1
[INFO] running `Command { std: "docker" "start" "-a" "91bb2bc35e42fdb409d4be754545f5df242cbf9c958fd6816d5479d765e03ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91bb2bc35e42fdb409d4be754545f5df242cbf9c958fd6816d5479d765e03ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91bb2bc35e42fdb409d4be754545f5df242cbf9c958fd6816d5479d765e03ee1", kill_on_drop: false }`
[INFO] [stdout] 91bb2bc35e42fdb409d4be754545f5df242cbf9c958fd6816d5479d765e03ee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] f67075c6da4a8fe15a2f757ee63942ee99bc0375839e6c8922a042043b7f2c9b
[INFO] running `Command { std: "docker" "start" "-a" "f67075c6da4a8fe15a2f757ee63942ee99bc0375839e6c8922a042043b7f2c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling genx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.61s
[INFO] running `Command { std: "docker" "inspect" "f67075c6da4a8fe15a2f757ee63942ee99bc0375839e6c8922a042043b7f2c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67075c6da4a8fe15a2f757ee63942ee99bc0375839e6c8922a042043b7f2c9b", kill_on_drop: false }`
[INFO] [stdout] f67075c6da4a8fe15a2f757ee63942ee99bc0375839e6c8922a042043b7f2c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 2f52a0f9a272a9e57336a671d86b576f4c5eb953c47c840cf37f73479189f7c5
[INFO] running `Command { std: "docker" "start" "-a" "2f52a0f9a272a9e57336a671d86b576f4c5eb953c47c840cf37f73479189f7c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling genx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.96s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/genx-f673f41dbe63130b)
[INFO] running `Command { std: "docker" "inspect" "2f52a0f9a272a9e57336a671d86b576f4c5eb953c47c840cf37f73479189f7c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f52a0f9a272a9e57336a671d86b576f4c5eb953c47c840cf37f73479189f7c5", kill_on_drop: false }`
[INFO] [stdout] 2f52a0f9a272a9e57336a671d86b576f4c5eb953c47c840cf37f73479189f7c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 6572a72dff883cb0ba0ead88d39c471f2aaaa53ea6776826c3ee7196aa70564f
[INFO] running `Command { std: "docker" "start" "-a" "6572a72dff883cb0ba0ead88d39c471f2aaaa53ea6776826c3ee7196aa70564f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/genx-f673f41dbe63130b)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests genx
[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 15 tests
[INFO] [stdout] test src/lib.rs - (line 78) ... ok
[INFO] [stdout] test src/mutation/random.rs - mutation::random::random_mutation (line 16) ... ok
[INFO] [stdout] test src/mutation/polynomial.rs - mutation::polynomial::polynomial_mutation (line 17) ... ok
[INFO] [stdout] test src/selection/rank.rs - selection::rank::rank_selection (line 19) ... ok
[INFO] [stdout] test src/selection/random.rs - selection::random::random_selection (line 17) ... ok
[INFO] [stdout] test src/selection/roulette_wheel.rs - selection::roulette_wheel::roulette_wheel_selection (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/selection/stochastic_universal.rs - selection::stochastic_universal::stochastic_universal_selection (line 18) ... ok
[INFO] [stdout] test src/mutation/inversion.rs - mutation::inversion::inversion_mutation (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/selection/steady_state.rs - selection::steady_state::steady_state_selection (line 13) ... ok
[INFO] [stdout] test src/mutation/scramble.rs - mutation::scramble::scramble_mutation (line 13) ... ok
[INFO] [stdout] test src/mutation/flipping.rs - mutation::flipping::flipping_mutation (line 14) ... ok
[INFO] [stdout] test src/mutation/swap.rs - mutation::swap::swap_mutation (line 10) ... ok
[INFO] [stdout] test src/selection/tournament.rs - selection::tournament::tournament_selection (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6572a72dff883cb0ba0ead88d39c471f2aaaa53ea6776826c3ee7196aa70564f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6572a72dff883cb0ba0ead88d39c471f2aaaa53ea6776826c3ee7196aa70564f", kill_on_drop: false }`
[INFO] [stdout] 6572a72dff883cb0ba0ead88d39c471f2aaaa53ea6776826c3ee7196aa70564f