[INFO] fetching crate pico-streaming 0.3.1...
[INFO] checking pico-streaming-0.3.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate pico-streaming 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pico-streaming 0.3.1 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 pico-streaming 0.3.1
[INFO] finished tweaking crates.io crate pico-streaming 0.3.1
[INFO] tweaked toml for crates.io crate pico-streaming 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 101 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding downcast v0.10.0 (latest: v0.11.0)
[INFO] [stderr]       Adding enum-iterator v0.6.0 (latest: v2.0.0)
[INFO] [stderr]       Adding enum-iterator-derive v0.6.0 (latest: v1.3.0)
[INFO] [stderr]       Adding float-cmp v0.8.0 (latest: v0.9.0)
[INFO] [stderr]       Adding fragile v1.2.2 (latest: v2.0.0)
[INFO] [stderr]       Adding libloading v0.7.4 (latest: v0.8.3)
[INFO] [stderr]       Adding matchers v0.0.1 (latest: v0.1.0)
[INFO] [stderr]       Adding mockall v0.9.1 (latest: v0.12.1)
[INFO] [stderr]       Adding mockall_derive v0.9.1 (latest: v0.12.1)
[INFO] [stderr]       Adding num-derive v0.3.3 (latest: v0.4.2)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding predicates v1.0.8 (latest: v3.1.0)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tracing-log v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding tracing-subscriber v0.2.25 (latest: v0.3.18)
[INFO] [stderr]       Adding version-compare v0.0.11 (latest: v0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-device v0.3.1
[INFO] [stderr]   Downloaded version-compare v0.0.11
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded enum-iterator v0.6.0
[INFO] [stderr]   Downloaded enum-iterator-derive v0.6.0
[INFO] [stderr]   Downloaded pico-common v0.3.1
[INFO] [stderr]   Downloaded fragile v1.2.2
[INFO] [stderr]   Downloaded pico-driver v0.3.1
[INFO] [stderr]   Downloaded mockall v0.9.1
[INFO] [stderr]   Downloaded mockall_derive v0.9.1
[INFO] [stderr]   Downloaded pico-sys-dynamic v0.3.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40894113f3f2a2f3ccbfa759ef100f19e20c8e1a64152f7acba8f1db30f8f1ed
[INFO] running `Command { std: "docker" "start" "-a" "40894113f3f2a2f3ccbfa759ef100f19e20c8e1a64152f7acba8f1db30f8f1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40894113f3f2a2f3ccbfa759ef100f19e20c8e1a64152f7acba8f1db30f8f1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40894113f3f2a2f3ccbfa759ef100f19e20c8e1a64152f7acba8f1db30f8f1ed", kill_on_drop: false }`
[INFO] [stdout] 40894113f3f2a2f3ccbfa759ef100f19e20c8e1a64152f7acba8f1db30f8f1ed
[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=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] b5910fe38e8ed782de5a317f8169c1c4dc7fa3db137fa8aee54787961c832cda
[INFO] running `Command { std: "docker" "start" "-a" "b5910fe38e8ed782de5a317f8169c1c4dc7fa3db137fa8aee54787961c832cda", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking version-compare v0.0.11
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]    Compiling mockall_derive v0.9.1
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking pico-sys-dynamic v0.3.1
[INFO] [stderr]     Checking fragile v1.2.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking enum-iterator v0.6.0
[INFO] [stderr]     Checking pico-common v0.3.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking pico-driver v0.3.1
[INFO] [stderr]     Checking pico-device v0.3.1
[INFO] [stderr]     Checking pico-streaming v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking mockall v0.9.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "b5910fe38e8ed782de5a317f8169c1c4dc7fa3db137fa8aee54787961c832cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5910fe38e8ed782de5a317f8169c1c4dc7fa3db137fa8aee54787961c832cda", kill_on_drop: false }`
[INFO] [stdout] b5910fe38e8ed782de5a317f8169c1c4dc7fa3db137fa8aee54787961c832cda
[INFO] checking pico-streaming-0.3.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate pico-streaming 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate pico-streaming 0.3.1 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 pico-streaming 0.3.1
[INFO] finished tweaking crates.io crate pico-streaming 0.3.1
[INFO] tweaked toml for crates.io crate pico-streaming 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf046b1710d0577210c6c61fdd8be9a12504177c6678050e127b4c1c92f4d721
[INFO] running `Command { std: "docker" "start" "-a" "bf046b1710d0577210c6c61fdd8be9a12504177c6678050e127b4c1c92f4d721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf046b1710d0577210c6c61fdd8be9a12504177c6678050e127b4c1c92f4d721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf046b1710d0577210c6c61fdd8be9a12504177c6678050e127b4c1c92f4d721", kill_on_drop: false }`
[INFO] [stdout] bf046b1710d0577210c6c61fdd8be9a12504177c6678050e127b4c1c92f4d721
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dd86be4c48b76f60fe7f97ea502d16835804cd5cc835e3da170553c3ef3f116
[INFO] running `Command { std: "docker" "start" "-a" "4dd86be4c48b76f60fe7f97ea502d16835804cd5cc835e3da170553c3ef3f116", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking version-compare v0.0.11
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking crossbeam-utils v0.8.19
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]    Compiling mockall_derive v0.9.1
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking pico-sys-dynamic v0.3.1
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking fragile v1.2.2
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.19/src/sync/parker.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 371 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 372 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 373 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking downcast v0.10.0
[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 `crossbeam-utils` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4dd86be4c48b76f60fe7f97ea502d16835804cd5cc835e3da170553c3ef3f116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd86be4c48b76f60fe7f97ea502d16835804cd5cc835e3da170553c3ef3f116", kill_on_drop: false }`
[INFO] [stdout] 4dd86be4c48b76f60fe7f97ea502d16835804cd5cc835e3da170553c3ef3f116