[INFO] fetching crate betabear 0.1.1...
[INFO] testing betabear-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate betabear 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate betabear 0.1.1 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 crates.io crate betabear 0.1.1
[INFO] finished tweaking crates.io crate betabear 0.1.1
[INFO] tweaked toml for crates.io crate betabear 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f750c0b10dff35dc32ad27c2ce6507fcd967624309f73bb444d6a5c15f76959
[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" "9f750c0b10dff35dc32ad27c2ce6507fcd967624309f73bb444d6a5c15f76959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f750c0b10dff35dc32ad27c2ce6507fcd967624309f73bb444d6a5c15f76959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f750c0b10dff35dc32ad27c2ce6507fcd967624309f73bb444d6a5c15f76959", kill_on_drop: false }`
[INFO] [stdout] 9f750c0b10dff35dc32ad27c2ce6507fcd967624309f73bb444d6a5c15f76959
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed9e67626aa7427e5c1635bf6dffb4163e5040d1f2b0838ed5d18a61d6c4fb56
[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" "ed9e67626aa7427e5c1635bf6dffb4163e5040d1f2b0838ed5d18a61d6c4fb56", kill_on_drop: false }`
[INFO] [stderr]    Compiling betabear v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "ed9e67626aa7427e5c1635bf6dffb4163e5040d1f2b0838ed5d18a61d6c4fb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9e67626aa7427e5c1635bf6dffb4163e5040d1f2b0838ed5d18a61d6c4fb56", kill_on_drop: false }`
[INFO] [stdout] ed9e67626aa7427e5c1635bf6dffb4163e5040d1f2b0838ed5d18a61d6c4fb56
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 41c17bbc94ae8362f780684c6a81fb2f3f0c5be8b3b3ce589df8abe8dbe5d335
[INFO] running `Command { std: "docker" "start" "-a" "41c17bbc94ae8362f780684c6a81fb2f3f0c5be8b3b3ce589df8abe8dbe5d335", kill_on_drop: false }`
[INFO] [stderr]    Compiling betabear v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "41c17bbc94ae8362f780684c6a81fb2f3f0c5be8b3b3ce589df8abe8dbe5d335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c17bbc94ae8362f780684c6a81fb2f3f0c5be8b3b3ce589df8abe8dbe5d335", kill_on_drop: false }`
[INFO] [stdout] 41c17bbc94ae8362f780684c6a81fb2f3f0c5be8b3b3ce589df8abe8dbe5d335
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] d38a88da659571a8653e812d0e3e2f4efc4dd2187c2c91ece8076b1263c65749
[INFO] running `Command { std: "docker" "start" "-a" "d38a88da659571a8653e812d0e3e2f4efc4dd2187c2c91ece8076b1263c65749", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/betabear-85e77795e4da6548
[INFO] [stdout] test find_in_order ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/betabear-b20deccad4d7051e
[INFO] [stdout] test find_trivial_word ... ok
[INFO] [stderr]    Doc-tests betabear
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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 2 tests
[INFO] [stdout] test src/lib.rs - build_with_letters (line 5) ... ok
[INFO] [stdout] test src/lib.rs - search_for_words (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d38a88da659571a8653e812d0e3e2f4efc4dd2187c2c91ece8076b1263c65749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38a88da659571a8653e812d0e3e2f4efc4dd2187c2c91ece8076b1263c65749", kill_on_drop: false }`
[INFO] [stdout] d38a88da659571a8653e812d0e3e2f4efc4dd2187c2c91ece8076b1263c65749