[INFO] crate delta 0.2.0 is already in cache
[INFO] testing delta-0.2.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate delta 0.2.0 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate delta 0.2.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate delta 0.2.0
[INFO] finished tweaking crates.io crate delta 0.2.0
[INFO] tweaked toml for crates.io crate delta 0.2.0 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] ddac1f39cccd5677507647e2b24f5fd6d957753ce672045ca122556a3e530c7d
[INFO] running `"docker" "start" "-a" "ddac1f39cccd5677507647e2b24f5fd6d957753ce672045ca122556a3e530c7d"`
[INFO] [stderr]    Compiling delta v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `"docker" "inspect" "ddac1f39cccd5677507647e2b24f5fd6d957753ce672045ca122556a3e530c7d"`
[INFO] running `"docker" "rm" "-f" "ddac1f39cccd5677507647e2b24f5fd6d957753ce672045ca122556a3e530c7d"`
[INFO] [stdout] ddac1f39cccd5677507647e2b24f5fd6d957753ce672045ca122556a3e530c7d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 04da2c3053a4eaab199f47c75b0b652822747455c1082e543e461bfd4f6ca2db
[INFO] running `"docker" "start" "-a" "04da2c3053a4eaab199f47c75b0b652822747455c1082e543e461bfd4f6ca2db"`
[INFO] [stderr]    Compiling delta v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: can't compare `{float}` with `std::time::Duration`
[INFO] [stderr]   --> src/lib.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         assert_eq!(0.0, Timer::new().mark());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `{float} == std::time::Duration`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::cmp::PartialEq<std::time::Duration>` is not implemented for `{float}`
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `delta`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "04da2c3053a4eaab199f47c75b0b652822747455c1082e543e461bfd4f6ca2db"`
[INFO] running `"docker" "rm" "-f" "04da2c3053a4eaab199f47c75b0b652822747455c1082e543e461bfd4f6ca2db"`
[INFO] [stdout] 04da2c3053a4eaab199f47c75b0b652822747455c1082e543e461bfd4f6ca2db