[INFO] fetching crate bulls-and-cows 1.0.16...
[INFO] testing bulls-and-cows-1.0.16 against 1.45.2 for beta-1.46-1
[INFO] extracting crate bulls-and-cows 1.0.16 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate bulls-and-cows 1.0.16 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bulls-and-cows 1.0.16
[INFO] finished tweaking crates.io crate bulls-and-cows 1.0.16
[INFO] tweaked toml for crates.io crate bulls-and-cows 1.0.16 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate bulls-and-cows 1.0.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a94ad70ae60869678b54085f6d5d5f0c7d1301bf8fa004a8d3b8cf3d732dd38
[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" "9a94ad70ae60869678b54085f6d5d5f0c7d1301bf8fa004a8d3b8cf3d732dd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a94ad70ae60869678b54085f6d5d5f0c7d1301bf8fa004a8d3b8cf3d732dd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a94ad70ae60869678b54085f6d5d5f0c7d1301bf8fa004a8d3b8cf3d732dd38", kill_on_drop: false }`
[INFO] [stdout] 9a94ad70ae60869678b54085f6d5d5f0c7d1301bf8fa004a8d3b8cf3d732dd38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32c4f7edf59a0f4faec640d5878dc2c465ef4b4ee955dcca252196c855439119
[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" "32c4f7edf59a0f4faec640d5878dc2c465ef4b4ee955dcca252196c855439119", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling debug-helper v0.3.8
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling random-integer v1.0.5
[INFO] [stderr]    Compiling random-pick v1.2.7
[INFO] [stderr]    Compiling bulls-and-cows v1.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "32c4f7edf59a0f4faec640d5878dc2c465ef4b4ee955dcca252196c855439119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c4f7edf59a0f4faec640d5878dc2c465ef4b4ee955dcca252196c855439119", kill_on_drop: false }`
[INFO] [stdout] 32c4f7edf59a0f4faec640d5878dc2c465ef4b4ee955dcca252196c855439119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa14c9a6bd0123b60435f20b68213e1888f7249f7c0d51341cf615ebaaea94ec
[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" "fa14c9a6bd0123b60435f20b68213e1888f7249f7c0d51341cf615ebaaea94ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling bulls-and-cows v1.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "fa14c9a6bd0123b60435f20b68213e1888f7249f7c0d51341cf615ebaaea94ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa14c9a6bd0123b60435f20b68213e1888f7249f7c0d51341cf615ebaaea94ec", kill_on_drop: false }`
[INFO] [stdout] fa14c9a6bd0123b60435f20b68213e1888f7249f7c0d51341cf615ebaaea94ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3937602efa4a916b4a9f7ed7e8f37660869aba7f53aa6d36091efcb2c6c97588
[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" "3937602efa4a916b4a9f7ed7e8f37660869aba7f53aa6d36091efcb2c6c97588", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bulls_and_cows-5dba08c53813ddfa
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bulls-and-cows
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3937602efa4a916b4a9f7ed7e8f37660869aba7f53aa6d36091efcb2c6c97588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3937602efa4a916b4a9f7ed7e8f37660869aba7f53aa6d36091efcb2c6c97588", kill_on_drop: false }`
[INFO] [stdout] 3937602efa4a916b4a9f7ed7e8f37660869aba7f53aa6d36091efcb2c6c97588