[INFO] fetching crate sys-datetime 1.1.1...
[INFO] checking sys-datetime-1.1.1 against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539
[INFO] extracting crate sys-datetime 1.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sys-datetime 1.1.1
[INFO] finished tweaking crates.io crate sys-datetime 1.1.1
[INFO] tweaked toml for crates.io crate sys-datetime 1.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sys-datetime 1.1.1 on toolchain 70daa2c0d8eed7066b07966f3c0b0b8622bff4e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "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" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 165 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0510354f15f39778aab4a5601709b124f93fec2766a3c7df5098b9d214df0fd8
[INFO] running `Command { std: "docker" "start" "-a" "0510354f15f39778aab4a5601709b124f93fec2766a3c7df5098b9d214df0fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0510354f15f39778aab4a5601709b124f93fec2766a3c7df5098b9d214df0fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0510354f15f39778aab4a5601709b124f93fec2766a3c7df5098b9d214df0fd8", kill_on_drop: false }`
[INFO] [stdout] 0510354f15f39778aab4a5601709b124f93fec2766a3c7df5098b9d214df0fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96fb00eaff0bb0e2b0132571bbdac36b6f4e854c0fd59dd9b23f5dd5fbbbf71a
[INFO] running `Command { std: "docker" "start" "-a" "96fb00eaff0bb0e2b0132571bbdac36b6f4e854c0fd59dd9b23f5dd5fbbbf71a", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking sys-datetime v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:514:52
[INFO] [stdout]     |
[INFO] [stdout] 514 | ...                   dt.add_hours(-z[0].parse().ok()?);
[INFO] [stdout]     |                                          ^^^^^ cannot infer type of the type parameter `F` declared on the method `parse`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 514 |                                 dt.add_hours(-z[0].parse::<F>().ok()?);
[INFO] [stdout]     |                                                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:514:52
[INFO] [stdout]     |
[INFO] [stdout] 514 | ...                   dt.add_hours(-z[0].parse().ok()?);
[INFO] [stdout]     |                                          ^^^^^ cannot infer type of the type parameter `F` declared on the method `parse`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 514 |                                 dt.add_hours(-z[0].parse::<F>().ok()?);
[INFO] [stdout]     |                                                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sys-datetime` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sys-datetime` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "96fb00eaff0bb0e2b0132571bbdac36b6f4e854c0fd59dd9b23f5dd5fbbbf71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fb00eaff0bb0e2b0132571bbdac36b6f4e854c0fd59dd9b23f5dd5fbbbf71a", kill_on_drop: false }`
[INFO] [stdout] 96fb00eaff0bb0e2b0132571bbdac36b6f4e854c0fd59dd9b23f5dd5fbbbf71a