[INFO] crate delta 0.2.0 is already in cache
[INFO] testing delta-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate delta 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate delta 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c5588f94df1720b29df1132e1802b3cb4d22a74aeb9cf848692851c9c814417
[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" "2c5588f94df1720b29df1132e1802b3cb4d22a74aeb9cf848692851c9c814417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c5588f94df1720b29df1132e1802b3cb4d22a74aeb9cf848692851c9c814417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5588f94df1720b29df1132e1802b3cb4d22a74aeb9cf848692851c9c814417", kill_on_drop: false }`
[INFO] [stdout] 2c5588f94df1720b29df1132e1802b3cb4d22a74aeb9cf848692851c9c814417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcdf90b740dc23a88572407f098d22b76cdd18361d3a42211908e8cd249b02f3
[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" "fcdf90b740dc23a88572407f098d22b76cdd18361d3a42211908e8cd249b02f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling delta v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "fcdf90b740dc23a88572407f098d22b76cdd18361d3a42211908e8cd249b02f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdf90b740dc23a88572407f098d22b76cdd18361d3a42211908e8cd249b02f3", kill_on_drop: false }`
[INFO] [stdout] fcdf90b740dc23a88572407f098d22b76cdd18361d3a42211908e8cd249b02f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f61f51cae7ce007cca38e48efde3fa0363da99e67eac818599dd14f1af70a96c
[INFO] running `Command { std: "docker" "start" "-a" "f61f51cae7ce007cca38e48efde3fa0363da99e67eac818599dd14f1af70a96c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling delta v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: can't compare `{float}` with `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         assert_eq!(0.0, Timer::new().mark());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `{float} == std::time::Duration`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::cmp::PartialEq<std::time::Duration>` is not implemented for `{float}`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `delta`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f61f51cae7ce007cca38e48efde3fa0363da99e67eac818599dd14f1af70a96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f61f51cae7ce007cca38e48efde3fa0363da99e67eac818599dd14f1af70a96c", kill_on_drop: false }`
[INFO] [stdout] f61f51cae7ce007cca38e48efde3fa0363da99e67eac818599dd14f1af70a96c