[INFO] fetching crate rosalind-cli 0.0.15...
[INFO] checking rosalind-cli-0.0.15 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate rosalind-cli 0.0.15 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rosalind-cli 0.0.15 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rosalind-cli 0.0.15
[INFO] finished tweaking crates.io crate rosalind-cli 0.0.15
[INFO] tweaked toml for crates.io crate rosalind-cli 0.0.15 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2295ecb8bbb8a6287b8b57470a7ccc37e06cb81ed876f81ec3dc7a8ee6436421
[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" "2295ecb8bbb8a6287b8b57470a7ccc37e06cb81ed876f81ec3dc7a8ee6436421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2295ecb8bbb8a6287b8b57470a7ccc37e06cb81ed876f81ec3dc7a8ee6436421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2295ecb8bbb8a6287b8b57470a7ccc37e06cb81ed876f81ec3dc7a8ee6436421", kill_on_drop: false }`
[INFO] [stdout] 2295ecb8bbb8a6287b8b57470a7ccc37e06cb81ed876f81ec3dc7a8ee6436421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e83d5bf21cb155cbe65834d9a1add9932b6aa2a514b798f8bdd278af7b10d4a
[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" "3e83d5bf21cb155cbe65834d9a1add9932b6aa2a514b798f8bdd278af7b10d4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rosalind v0.10.0
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `<num::BigUint as std::ops::Sub<&_>>::Output == num::BigUint`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rosalind-0.10.0/src/fib.rs:73:59
[INFO] [stdout]    |
[INFO] [stdout] 73 |         f = d.get(i - 2).unwrap() + d.get(i - 1).unwrap() - &(One::one());
[INFO] [stdout]    |                                                           ^ cannot satisfy `<num::BigUint as std::ops::Sub<&_>>::Output == num::BigUint`
[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 E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rosalind`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3e83d5bf21cb155cbe65834d9a1add9932b6aa2a514b798f8bdd278af7b10d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e83d5bf21cb155cbe65834d9a1add9932b6aa2a514b798f8bdd278af7b10d4a", kill_on_drop: false }`
[INFO] [stdout] 3e83d5bf21cb155cbe65834d9a1add9932b6aa2a514b798f8bdd278af7b10d4a