[INFO] fetching crate yz-basic-block 0.1.0...
[INFO] testing yz-basic-block-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate yz-basic-block 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate yz-basic-block 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yz-basic-block 0.1.0
[INFO] finished tweaking crates.io crate yz-basic-block 0.1.0
[INFO] tweaked toml for crates.io crate yz-basic-block 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e7f402e6428efa14180ecb5fc3c483064890392027438fdd1c6d2a80ed8339b
[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" "1e7f402e6428efa14180ecb5fc3c483064890392027438fdd1c6d2a80ed8339b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e7f402e6428efa14180ecb5fc3c483064890392027438fdd1c6d2a80ed8339b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7f402e6428efa14180ecb5fc3c483064890392027438fdd1c6d2a80ed8339b", kill_on_drop: false }`
[INFO] [stdout] 1e7f402e6428efa14180ecb5fc3c483064890392027438fdd1c6d2a80ed8339b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7300b2b812e30cb917b32c2edf6fc758c144ece232615ba1787aee2ae5725f7
[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" "e7300b2b812e30cb917b32c2edf6fc758c144ece232615ba1787aee2ae5725f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling yz-basic-block v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "e7300b2b812e30cb917b32c2edf6fc758c144ece232615ba1787aee2ae5725f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7300b2b812e30cb917b32c2edf6fc758c144ece232615ba1787aee2ae5725f7", kill_on_drop: false }`
[INFO] [stdout] e7300b2b812e30cb917b32c2edf6fc758c144ece232615ba1787aee2ae5725f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bca857ae8ee6a06adab700c2f6d8e29ddad99d90700d8836ea64bb22ff7e3b61
[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" "bca857ae8ee6a06adab700c2f6d8e29ddad99d90700d8836ea64bb22ff7e3b61", kill_on_drop: false }`
[INFO] [stderr]    Compiling yz-basic-block v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "bca857ae8ee6a06adab700c2f6d8e29ddad99d90700d8836ea64bb22ff7e3b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca857ae8ee6a06adab700c2f6d8e29ddad99d90700d8836ea64bb22ff7e3b61", kill_on_drop: false }`
[INFO] [stdout] bca857ae8ee6a06adab700c2f6d8e29ddad99d90700d8836ea64bb22ff7e3b61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] b8afd6dcb1620591cd91a0ad47e8b18cf50a922881a9335942e499627e788d8c
[INFO] running `Command { std: "docker" "start" "-a" "b8afd6dcb1620591cd91a0ad47e8b18cf50a922881a9335942e499627e788d8c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yz_basic_block-ed0c05f59e8e3562
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple-a54ed9cdc9c173f9
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test bb1 ... ok
[INFO] [stdout] test bb0 ... ok
[INFO] [stdout] test bb_pop ... ok
[INFO] [stdout] test bb_keep ... ok
[INFO] [stdout] test bb_merge ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yz-basic-block
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8afd6dcb1620591cd91a0ad47e8b18cf50a922881a9335942e499627e788d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8afd6dcb1620591cd91a0ad47e8b18cf50a922881a9335942e499627e788d8c", kill_on_drop: false }`
[INFO] [stdout] b8afd6dcb1620591cd91a0ad47e8b18cf50a922881a9335942e499627e788d8c