[INFO] fetching crate dahl-bellnumber 0.1.1...
[INFO] testing dahl-bellnumber-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate dahl-bellnumber 0.1.1 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate dahl-bellnumber 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dahl-bellnumber 0.1.1
[INFO] finished tweaking crates.io crate dahl-bellnumber 0.1.1
[INFO] tweaked toml for crates.io crate dahl-bellnumber 0.1.1 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34c4a430a6ff45237504e7f27953ab14354b75b58df8cbfe00d447b948d8cee7
[INFO] running `Command { std: "docker" "start" "-a" "34c4a430a6ff45237504e7f27953ab14354b75b58df8cbfe00d447b948d8cee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34c4a430a6ff45237504e7f27953ab14354b75b58df8cbfe00d447b948d8cee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c4a430a6ff45237504e7f27953ab14354b75b58df8cbfe00d447b948d8cee7", kill_on_drop: false }`
[INFO] [stdout] 34c4a430a6ff45237504e7f27953ab14354b75b58df8cbfe00d447b948d8cee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6217d3c6d0a82e01e1c3ed6c32b16f3d48f305d0c60a0570273d456493c3d7a
[INFO] running `Command { std: "docker" "start" "-a" "b6217d3c6d0a82e01e1c3ed6c32b16f3d48f305d0c60a0570273d456493c3d7a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling dahl-bellnumber v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.93s
[INFO] running `Command { std: "docker" "inspect" "b6217d3c6d0a82e01e1c3ed6c32b16f3d48f305d0c60a0570273d456493c3d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6217d3c6d0a82e01e1c3ed6c32b16f3d48f305d0c60a0570273d456493c3d7a", kill_on_drop: false }`
[INFO] [stdout] b6217d3c6d0a82e01e1c3ed6c32b16f3d48f305d0c60a0570273d456493c3d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccc951c1394d2f287627eb1566ed808e785c4d1d9d40282240c65f6f0b9f5cdd
[INFO] running `Command { std: "docker" "start" "-a" "ccc951c1394d2f287627eb1566ed808e785c4d1d9d40282240c65f6f0b9f5cdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling dahl-bellnumber v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/dahl_bellnumber-29ac23c77c09f78a)
[INFO] running `Command { std: "docker" "inspect" "ccc951c1394d2f287627eb1566ed808e785c4d1d9d40282240c65f6f0b9f5cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc951c1394d2f287627eb1566ed808e785c4d1d9d40282240c65f6f0b9f5cdd", kill_on_drop: false }`
[INFO] [stdout] ccc951c1394d2f287627eb1566ed808e785c4d1d9d40282240c65f6f0b9f5cdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1dfbaf50e0fe54f1ebb17ab8e7873840b6ffd5fa69260ff7dbde853afe01eb90
[INFO] running `Command { std: "docker" "start" "-a" "1dfbaf50e0fe54f1ebb17ab8e7873840b6ffd5fa69260ff7dbde853afe01eb90", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dahl_bellnumber-29ac23c77c09f78a)
[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; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dahl-bellnumber
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - bell (line 25) ... ok
[INFO] [stdout] test src/lib.rs - lbell (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1dfbaf50e0fe54f1ebb17ab8e7873840b6ffd5fa69260ff7dbde853afe01eb90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dfbaf50e0fe54f1ebb17ab8e7873840b6ffd5fa69260ff7dbde853afe01eb90", kill_on_drop: false }`
[INFO] [stdout] 1dfbaf50e0fe54f1ebb17ab8e7873840b6ffd5fa69260ff7dbde853afe01eb90