[INFO] fetching crate lolcat 1.2.0...
[INFO] testing lolcat-1.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate lolcat 1.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate lolcat 1.2.0 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 lolcat 1.2.0
[INFO] finished tweaking crates.io crate lolcat 1.2.0
[INFO] tweaked toml for crates.io crate lolcat 1.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate lolcat 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 44ac53067bcf8718b0b058a4eda7fe326a3ef5f404f6f24e72bd8c56ba57cf1d
[INFO] running `"docker" "start" "-a" "44ac53067bcf8718b0b058a4eda7fe326a3ef5f404f6f24e72bd8c56ba57cf1d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling lolcat v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/cat.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         (12.92 * intensity)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/cat.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         (1.055 * intensity.powf(1.0 / 2.4) - 0.055)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/cat.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         (intensity / 12.92)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.49s
[INFO] running `"docker" "inspect" "44ac53067bcf8718b0b058a4eda7fe326a3ef5f404f6f24e72bd8c56ba57cf1d"`
[INFO] running `"docker" "rm" "-f" "44ac53067bcf8718b0b058a4eda7fe326a3ef5f404f6f24e72bd8c56ba57cf1d"`
[INFO] [stdout] 44ac53067bcf8718b0b058a4eda7fe326a3ef5f404f6f24e72bd8c56ba57cf1d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 427e4c87af395c61b0fd4f091555dd38caee24f28a0e6b43f6781f488a4da827
[INFO] running `"docker" "start" "-a" "427e4c87af395c61b0fd4f091555dd38caee24f28a0e6b43f6781f488a4da827"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lolcat v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/cat.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         (12.92 * intensity)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/cat.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         (1.055 * intensity.powf(1.0 / 2.4) - 0.055)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/cat.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         (intensity / 12.92)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "427e4c87af395c61b0fd4f091555dd38caee24f28a0e6b43f6781f488a4da827"`
[INFO] running `"docker" "rm" "-f" "427e4c87af395c61b0fd4f091555dd38caee24f28a0e6b43f6781f488a4da827"`
[INFO] [stdout] 427e4c87af395c61b0fd4f091555dd38caee24f28a0e6b43f6781f488a4da827
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] f8540c94f95c0f38e0dfea2e189454bae41c1e1909cba7fc6a54a63260142079
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f8540c94f95c0f38e0dfea2e189454bae41c1e1909cba7fc6a54a63260142079"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/cat.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         (12.92 * intensity)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/cat.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         (1.055 * intensity.powf(1.0 / 2.4) - 0.055)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/cat.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         (intensity / 12.92)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lolcat-d8468e6d97bd6580
[INFO] [stdout] 
[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] running `"docker" "inspect" "f8540c94f95c0f38e0dfea2e189454bae41c1e1909cba7fc6a54a63260142079"`
[INFO] running `"docker" "rm" "-f" "f8540c94f95c0f38e0dfea2e189454bae41c1e1909cba7fc6a54a63260142079"`
[INFO] [stdout] f8540c94f95c0f38e0dfea2e189454bae41c1e1909cba7fc6a54a63260142079