[INFO] fetching crate hypertask_engine 0.2.0...
[INFO] testing hypertask_engine-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate hypertask_engine 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate hypertask_engine 0.2.0
[INFO] finished tweaking crates.io crate hypertask_engine 0.2.0
[INFO] tweaked toml for crates.io crate hypertask_engine 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hypertask_engine 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 55 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.44)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 646d984de7962537b3c4e514204be7f88a749f0376feefc95c9e0cc79e657b6c
[INFO] running `Command { std: "docker" "start" "-a" "646d984de7962537b3c4e514204be7f88a749f0376feefc95c9e0cc79e657b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "646d984de7962537b3c4e514204be7f88a749f0376feefc95c9e0cc79e657b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646d984de7962537b3c4e514204be7f88a749f0376feefc95c9e0cc79e657b6c", kill_on_drop: false }`
[INFO] [stdout] 646d984de7962537b3c4e514204be7f88a749f0376feefc95c9e0cc79e657b6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78f618af02319ac9527ca885c0dc473d995a17cafd8ba07986dbb63fae0e162a
[INFO] running `Command { std: "docker" "start" "-a" "78f618af02319ac9527ca885c0dc473d995a17cafd8ba07986dbb63fae0e162a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling hypertask_engine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: cannot add `time::Duration` to `chrono::DateTime<chrono::Utc>`
[INFO] [stdout]    --> src/task.rs:176:45
[INFO] [stdout]     |
[INFO] [stdout] 176 |                         self.due = Some(due + dt);
[INFO] [stdout]     |                                             ^ no implementation for `chrono::DateTime<chrono::Utc> + time::Duration`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::ops::Add<time::Duration>` is not implemented for `chrono::DateTime<chrono::Utc>`
[INFO] [stdout]     = help: the following other types implement trait `std::ops::Add<Rhs>`:
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<Days>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<FixedOffset>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<Months>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<TimeDelta>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<std::time::Duration>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add `time::Duration` to `chrono::DateTime<chrono::Utc>`
[INFO] [stdout]    --> src/task.rs:179:47
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         self.wait = Some(wait + dt);
[INFO] [stdout]     |                                               ^ no implementation for `chrono::DateTime<chrono::Utc> + time::Duration`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::ops::Add<time::Duration>` is not implemented for `chrono::DateTime<chrono::Utc>`
[INFO] [stdout]     = help: the following other types implement trait `std::ops::Add<Rhs>`:
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<Days>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<FixedOffset>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<Months>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<TimeDelta>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<std::time::Duration>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add `time::Duration` to `chrono::DateTime<chrono::Utc>`
[INFO] [stdout]    --> src/task.rs:223:25
[INFO] [stdout]     |
[INFO] [stdout] 223 |             due < (*now + Duration::days(3))
[INFO] [stdout]     |                         ^ no implementation for `chrono::DateTime<chrono::Utc> + time::Duration`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::ops::Add<time::Duration>` is not implemented for `chrono::DateTime<chrono::Utc>`
[INFO] [stdout]     = help: the following other types implement trait `std::ops::Add<Rhs>`:
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<Days>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<FixedOffset>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<Months>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<TimeDelta>`
[INFO] [stdout]               `chrono::DateTime<Tz>` implements `std::ops::Add<std::time::Duration>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hypertask_engine` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "78f618af02319ac9527ca885c0dc473d995a17cafd8ba07986dbb63fae0e162a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f618af02319ac9527ca885c0dc473d995a17cafd8ba07986dbb63fae0e162a", kill_on_drop: false }`
[INFO] [stdout] 78f618af02319ac9527ca885c0dc473d995a17cafd8ba07986dbb63fae0e162a