[INFO] fetching crate x_math_lib 0.1.0...
[INFO] testing x_math_lib-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate x_math_lib 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate x_math_lib 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate x_math_lib 0.1.0
[INFO] finished tweaking crates.io crate x_math_lib 0.1.0
[INFO] tweaked toml for crates.io crate x_math_lib 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e7745140b18072cc1167e29d4513aadafbbb7c27c3e4ca2900ace12aa00ed51
[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" "7e7745140b18072cc1167e29d4513aadafbbb7c27c3e4ca2900ace12aa00ed51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e7745140b18072cc1167e29d4513aadafbbb7c27c3e4ca2900ace12aa00ed51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7745140b18072cc1167e29d4513aadafbbb7c27c3e4ca2900ace12aa00ed51", kill_on_drop: false }`
[INFO] [stdout] 7e7745140b18072cc1167e29d4513aadafbbb7c27c3e4ca2900ace12aa00ed51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79b3a3c9492d878ee6b84aae99ce5e487b4a05441caf1079b5e7d6d3117c1755
[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" "79b3a3c9492d878ee6b84aae99ce5e487b4a05441caf1079b5e7d6d3117c1755", kill_on_drop: false }`
[INFO] [stderr]    Compiling x_math_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "79b3a3c9492d878ee6b84aae99ce5e487b4a05441caf1079b5e7d6d3117c1755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b3a3c9492d878ee6b84aae99ce5e487b4a05441caf1079b5e7d6d3117c1755", kill_on_drop: false }`
[INFO] [stdout] 79b3a3c9492d878ee6b84aae99ce5e487b4a05441caf1079b5e7d6d3117c1755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a121b11b7fcd718bd93c6b99744e171bffa811cf0e7a588ac0a1ca4cd23095dd
[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" "a121b11b7fcd718bd93c6b99744e171bffa811cf0e7a588ac0a1ca4cd23095dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling x_math_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `is_narcissistic` in this scope
[INFO] [stdout]   --> src/lib.rs:70:26
[INFO] [stdout]    |
[INFO] [stdout] 70 |             .filter(|&x| is_narcissistic(x))
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use crate::is_narcissistic;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x_math_lib` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a121b11b7fcd718bd93c6b99744e171bffa811cf0e7a588ac0a1ca4cd23095dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a121b11b7fcd718bd93c6b99744e171bffa811cf0e7a588ac0a1ca4cd23095dd", kill_on_drop: false }`
[INFO] [stdout] a121b11b7fcd718bd93c6b99744e171bffa811cf0e7a588ac0a1ca4cd23095dd