[INFO] crate dahl-bellnumber 0.1.0 is already in cache
[INFO] testing dahl-bellnumber-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate dahl-bellnumber 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dahl-bellnumber 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dahl-bellnumber 0.1.0
[INFO] finished tweaking crates.io crate dahl-bellnumber 0.1.0
[INFO] tweaked toml for crates.io crate dahl-bellnumber 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d80dc8df9a064f5f452f75b865703c33be06c7216dc99fc6109b829bd0542daa
[INFO] running `"docker" "start" "-a" "d80dc8df9a064f5f452f75b865703c33be06c7216dc99fc6109b829bd0542daa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling dahl-bellnumber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `"docker" "inspect" "d80dc8df9a064f5f452f75b865703c33be06c7216dc99fc6109b829bd0542daa"`
[INFO] running `"docker" "rm" "-f" "d80dc8df9a064f5f452f75b865703c33be06c7216dc99fc6109b829bd0542daa"`
[INFO] [stdout] d80dc8df9a064f5f452f75b865703c33be06c7216dc99fc6109b829bd0542daa
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 830ca1f115c910331cf30c2b21feb108567ca5780dbe865ce1b0aa953bc442f9
[INFO] running `"docker" "start" "-a" "830ca1f115c910331cf30c2b21feb108567ca5780dbe865ce1b0aa953bc442f9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling dahl-bellnumber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "830ca1f115c910331cf30c2b21feb108567ca5780dbe865ce1b0aa953bc442f9"`
[INFO] running `"docker" "rm" "-f" "830ca1f115c910331cf30c2b21feb108567ca5780dbe865ce1b0aa953bc442f9"`
[INFO] [stdout] 830ca1f115c910331cf30c2b21feb108567ca5780dbe865ce1b0aa953bc442f9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eb768bb3dd9ddd506c96cb424bac6af1eaf97d7369008da1466bd083e4821635
[INFO] running `"docker" "start" "-a" "eb768bb3dd9ddd506c96cb424bac6af1eaf97d7369008da1466bd083e4821635"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dahl_bellnumber-3c5d0c23f5ba91e9
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_lbell ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dahl-bellnumber
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - lbell (line 54) ... FAILED
[INFO] [stdout] test src/lib.rs - bell (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - lbell (line 54) stdout ----
[INFO] [stdout] error[E0689]: can't call method `log` on ambiguous numeric type `{float}`
[INFO] [stdout]  --> src/lib.rs:57:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(answer, 52.0.log());
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: you must specify a concrete type for this numeric value, like `f32`
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(answer, 52.0_f32.log());
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0689`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - lbell (line 54)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "eb768bb3dd9ddd506c96cb424bac6af1eaf97d7369008da1466bd083e4821635"`
[INFO] running `"docker" "rm" "-f" "eb768bb3dd9ddd506c96cb424bac6af1eaf97d7369008da1466bd083e4821635"`
[INFO] [stdout] eb768bb3dd9ddd506c96cb424bac6af1eaf97d7369008da1466bd083e4821635