[INFO] fetching crate task-stream 0.3.7...
[INFO] checking task-stream-0.3.7 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate task-stream 0.3.7 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate task-stream 0.3.7 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate task-stream 0.3.7
[INFO] finished tweaking crates.io crate task-stream 0.3.7
[INFO] tweaked toml for crates.io crate task-stream 0.3.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate task-stream 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clock_source v0.2.4
[INFO] [stderr]   Downloaded time-clock v0.1.0
[INFO] [stderr]   Downloaded tick_clock v0.1.2
[INFO] [stderr]   Downloaded ach-array v0.1.8
[INFO] [stderr]   Downloaded async-tick v0.1.7
[INFO] [stderr]   Downloaded async_ach-waker v0.1.3
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.8
[INFO] [stderr]   Downloaded ach-once v0.1.5
[INFO] [stderr]   Downloaded cortex-m v0.7.4
[INFO] [stderr]   Downloaded ach-ring v0.1.9
[INFO] [stderr]   Downloaded ach-mpmc v0.2.0
[INFO] [stderr]   Downloaded ach-lazy v0.1.2
[INFO] [stderr]   Downloaded ach-util v0.1.15
[INFO] [stderr]   Downloaded msp430 v0.3.0
[INFO] [stderr]   Downloaded riscv v0.8.0
[INFO] [stderr]   Downloaded r0 v1.0.0
[INFO] [stderr]   Downloaded xtensa-lx v0.7.0
[INFO] [stderr]   Downloaded interrupt v0.1.3
[INFO] [stderr]   Downloaded spin_loop v0.1.1
[INFO] [stderr]   Downloaded ach-cell v0.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4f88aded7d3999322c5005f8099161fc31f9c76c1dcf567c299d6e4bea7d80b
[INFO] running `Command { std: "docker" "start" "-a" "e4f88aded7d3999322c5005f8099161fc31f9c76c1dcf567c299d6e4bea7d80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4f88aded7d3999322c5005f8099161fc31f9c76c1dcf567c299d6e4bea7d80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f88aded7d3999322c5005f8099161fc31f9c76c1dcf567c299d6e4bea7d80b", kill_on_drop: false }`
[INFO] [stdout] e4f88aded7d3999322c5005f8099161fc31f9c76c1dcf567c299d6e4bea7d80b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab93ee90c4a96da43fa6140915ff439b38aaab119ea6a9d03e852ad3bf5bbb68
[INFO] running `Command { std: "docker" "start" "-a" "ab93ee90c4a96da43fa6140915ff439b38aaab119ea6a9d03e852ad3bf5bbb68", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]     Checking spin_loop v0.1.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling critical-section v0.2.7
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling atomic-polyfill v0.1.8
[INFO] [stderr]     Checking time-clock v0.1.0
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking interrupt v0.1.3
[INFO] [stderr]     Checking clock_source v0.2.4
[INFO] [stderr]     Checking tick_clock v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking ach-util v0.1.15
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ach-cell v0.1.16
[INFO] [stderr]     Checking ach-ring v0.1.9
[INFO] [stderr]     Checking ach-once v0.1.5
[INFO] [stderr]     Checking ach-lazy v0.1.2
[INFO] [stderr]     Checking ach-mpmc v0.2.0
[INFO] [stderr]     Checking ach-array v0.1.8
[INFO] [stderr]     Checking async_ach-waker v0.1.3
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking async-tick v0.1.7
[INFO] [stderr]     Checking task-stream v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "ab93ee90c4a96da43fa6140915ff439b38aaab119ea6a9d03e852ad3bf5bbb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab93ee90c4a96da43fa6140915ff439b38aaab119ea6a9d03e852ad3bf5bbb68", kill_on_drop: false }`
[INFO] [stdout] ab93ee90c4a96da43fa6140915ff439b38aaab119ea6a9d03e852ad3bf5bbb68
[INFO] checking task-stream-0.3.7 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate task-stream 0.3.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate task-stream 0.3.7 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate task-stream 0.3.7
[INFO] finished tweaking crates.io crate task-stream 0.3.7
[INFO] tweaked toml for crates.io crate task-stream 0.3.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate task-stream 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e00f5cbc2f2388c3fd1e8a0e92589330d10be6485da30e2766cf276565b0d5ed
[INFO] running `Command { std: "docker" "start" "-a" "e00f5cbc2f2388c3fd1e8a0e92589330d10be6485da30e2766cf276565b0d5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e00f5cbc2f2388c3fd1e8a0e92589330d10be6485da30e2766cf276565b0d5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00f5cbc2f2388c3fd1e8a0e92589330d10be6485da30e2766cf276565b0d5ed", kill_on_drop: false }`
[INFO] [stdout] e00f5cbc2f2388c3fd1e8a0e92589330d10be6485da30e2766cf276565b0d5ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 801fc9c7ceec10c4a03b457f3da63edfa64bcc1c5ca4835061ca432b8e91da05
[INFO] running `Command { std: "docker" "start" "-a" "801fc9c7ceec10c4a03b457f3da63edfa64bcc1c5ca4835061ca432b8e91da05", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]     Checking spin_loop v0.1.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling critical-section v0.2.7
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling atomic-polyfill v0.1.8
[INFO] [stderr]     Checking time-clock v0.1.0
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking interrupt v0.1.3
[INFO] [stderr]     Checking clock_source v0.2.4
[INFO] [stderr]     Checking tick_clock v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ach-util v0.1.15
[INFO] [stderr]     Checking ach-cell v0.1.16
[INFO] [stderr]     Checking ach-ring v0.1.9
[INFO] [stderr]     Checking ach-once v0.1.5
[INFO] [stderr]     Checking ach-mpmc v0.2.0
[INFO] [stderr]     Checking ach-lazy v0.1.2
[INFO] [stderr]     Checking ach-array v0.1.8
[INFO] [stderr]     Checking async_ach-waker v0.1.3
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.19/src/format/parse.rs:491:21
[INFO] [stdout]     |
[INFO] [stdout] 491 |                     Err(INVALID)?;
[INFO] [stdout]     |                     ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 491 |                     Err::<T, format::ParseError>(INVALID)?;
[INFO] [stdout]     |                        +++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chrono` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "801fc9c7ceec10c4a03b457f3da63edfa64bcc1c5ca4835061ca432b8e91da05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801fc9c7ceec10c4a03b457f3da63edfa64bcc1c5ca4835061ca432b8e91da05", kill_on_drop: false }`
[INFO] [stdout] 801fc9c7ceec10c4a03b457f3da63edfa64bcc1c5ca4835061ca432b8e91da05