[INFO] fetching crate goscript-engine 0.1.0...
[INFO] checking goscript-engine-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate goscript-engine 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate goscript-engine 0.1.0 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 goscript-engine 0.1.0
[INFO] finished tweaking crates.io crate goscript-engine 0.1.0
[INFO] tweaked toml for crates.io crate goscript-engine 0.1.0 written to /workspace/builds/worker-5-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 47 packages
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.2.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.2.0)
[INFO] [stderr]       Adding event-listener v4.0.3 (latest: v5.2.0)
[INFO] [stderr]       Adding event-listener-strategy v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding num-bigint v0.2.6 (latest: v0.4.4)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.1)
[INFO] [stderr]       Adding ordered-float v2.10.1 (latest: v4.2.0)
[INFO] [stderr]       Adding slotmap v0.4.3 (latest: v1.0.7)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 goscript-codegen v0.1.0
[INFO] [stderr]   Downloaded goscript-vm v0.1.0
[INFO] [stderr]   Downloaded goscript-types v0.1.0
[INFO] [stderr]   Downloaded time-test v0.2.3
[INFO] [stderr]   Downloaded goscript-parser v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 70dce8882eca7a73f7d832a235f546c307ff3bfbeeccbc70de07113a8d1c6f8f
[INFO] running `Command { std: "docker" "start" "-a" "70dce8882eca7a73f7d832a235f546c307ff3bfbeeccbc70de07113a8d1c6f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70dce8882eca7a73f7d832a235f546c307ff3bfbeeccbc70de07113a8d1c6f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70dce8882eca7a73f7d832a235f546c307ff3bfbeeccbc70de07113a8d1c6f8f", kill_on_drop: false }`
[INFO] [stdout] 70dce8882eca7a73f7d832a235f546c307ff3bfbeeccbc70de07113a8d1c6f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 08dde4886be2ba5d6575d5fc38aca4a7149dd521604f13c681cf430734fa5b3e
[INFO] running `Command { std: "docker" "start" "-a" "08dde4886be2ba5d6575d5fc38aca4a7149dd521604f13c681cf430734fa5b3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking slotmap v0.4.3
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking time-test v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking goscript-parser v0.1.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking goscript-types v0.1.0
[INFO] [stderr]     Checking async-executor v1.9.1
[INFO] [stderr]     Checking goscript-vm v0.1.0
[INFO] [stderr]     Checking goscript-codegen v0.1.0
[INFO] [stderr]     Checking goscript-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: goscript-vm v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "08dde4886be2ba5d6575d5fc38aca4a7149dd521604f13c681cf430734fa5b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08dde4886be2ba5d6575d5fc38aca4a7149dd521604f13c681cf430734fa5b3e", kill_on_drop: false }`
[INFO] [stdout] 08dde4886be2ba5d6575d5fc38aca4a7149dd521604f13c681cf430734fa5b3e
[INFO] checking goscript-engine-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate goscript-engine 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate goscript-engine 0.1.0 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 goscript-engine 0.1.0
[INFO] finished tweaking crates.io crate goscript-engine 0.1.0
[INFO] tweaked toml for crates.io crate goscript-engine 0.1.0 written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bc254c93a0c1cfb8ba1d10651a71b7fe16d6e3172fe0657d617ec9617f39c681
[INFO] running `Command { std: "docker" "start" "-a" "bc254c93a0c1cfb8ba1d10651a71b7fe16d6e3172fe0657d617ec9617f39c681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc254c93a0c1cfb8ba1d10651a71b7fe16d6e3172fe0657d617ec9617f39c681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc254c93a0c1cfb8ba1d10651a71b7fe16d6e3172fe0657d617ec9617f39c681", kill_on_drop: false }`
[INFO] [stdout] bc254c93a0c1cfb8ba1d10651a71b7fe16d6e3172fe0657d617ec9617f39c681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e9911308c7733f903f9cf59ca48f69e5396be8000f959682b8cf24546edf070e
[INFO] running `Command { std: "docker" "start" "-a" "e9911308c7733f903f9cf59ca48f69e5396be8000f959682b8cf24546edf070e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking slotmap v0.4.3
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking goscript-parser v0.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking time-test v0.2.3
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-lite-1.13.0/src/future.rs:469:27
[INFO] [stdout]     |
[INFO] [stdout] 469 |             let t1 = res1.map_err(|_| unreachable!()).unwrap();
[INFO] [stdout]     |                           ^^^^^^^ cannot infer type of the type parameter `F` declared on the method `map_err`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 469 |             let t1 = res1.map_err::<F, _>(|_| unreachable!()).unwrap();
[INFO] [stdout]     |                                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-lock v3.3.0
[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 `futures-lite` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e9911308c7733f903f9cf59ca48f69e5396be8000f959682b8cf24546edf070e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9911308c7733f903f9cf59ca48f69e5396be8000f959682b8cf24546edf070e", kill_on_drop: false }`
[INFO] [stdout] e9911308c7733f903f9cf59ca48f69e5396be8000f959682b8cf24546edf070e