[INFO] fetching crate astro-float 0.8.0...
[INFO] checking astro-float-0.8.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate astro-float 0.8.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate astro-float 0.8.0 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 astro-float 0.8.0
[INFO] finished tweaking crates.io crate astro-float 0.8.0
[INFO] tweaked toml for crates.io crate astro-float 0.8.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 52 packages
[INFO] [stderr]       Adding astro-float-macro v0.3.2 (latest: v0.4.4)
[INFO] [stderr]       Adding astro-float-num v0.2.2 (latest: v0.3.5)
[INFO] [stderr]       Adding ci_info v0.10.2 (latest: v0.14.14)
[INFO] [stderr]       Adding envmnt v0.8.4 (latest: v0.10.4)
[INFO] [stderr]       Adding fsio v0.1.3 (latest: v0.4.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding nias v0.5.0 (latest: v0.7.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nias v0.5.0
[INFO] [stderr]   Downloaded astro-float-macro v0.3.2
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded rusty-hook v0.11.2
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] [stderr]   Downloaded ci_info v0.10.2
[INFO] [stderr]   Downloaded astro-float-num v0.2.2
[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] d607b74ac9bbec17ea0d08263e1a22ce772f48fffc423a6edbe767669805b176
[INFO] running `Command { std: "docker" "start" "-a" "d607b74ac9bbec17ea0d08263e1a22ce772f48fffc423a6edbe767669805b176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d607b74ac9bbec17ea0d08263e1a22ce772f48fffc423a6edbe767669805b176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d607b74ac9bbec17ea0d08263e1a22ce772f48fffc423a6edbe767669805b176", kill_on_drop: false }`
[INFO] [stdout] d607b74ac9bbec17ea0d08263e1a22ce772f48fffc423a6edbe767669805b176
[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] 874caf4dda0da546981a5680f8e9b91797e34073eeca25ac443a1e2cc319fc81
[INFO] running `Command { std: "docker" "start" "-a" "874caf4dda0da546981a5680f8e9b91797e34073eeca25ac443a1e2cc319fc81", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking envmnt v0.8.4
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking ci_info v0.10.2
[INFO] [stderr]     Checking astro-float-num v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]    Compiling astro-float-macro v0.3.2
[INFO] [stderr]     Checking astro-float v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking trybuild v1.0.91
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `Command { std: "docker" "inspect" "874caf4dda0da546981a5680f8e9b91797e34073eeca25ac443a1e2cc319fc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874caf4dda0da546981a5680f8e9b91797e34073eeca25ac443a1e2cc319fc81", kill_on_drop: false }`
[INFO] [stdout] 874caf4dda0da546981a5680f8e9b91797e34073eeca25ac443a1e2cc319fc81
[INFO] checking astro-float-0.8.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate astro-float 0.8.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate astro-float 0.8.0 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 astro-float 0.8.0
[INFO] finished tweaking crates.io crate astro-float 0.8.0
[INFO] tweaked toml for crates.io crate astro-float 0.8.0 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] 29e8054353efb55a57013fac680864eabdf49c011ac9bcee785fee6a1cae6ebc
[INFO] running `Command { std: "docker" "start" "-a" "29e8054353efb55a57013fac680864eabdf49c011ac9bcee785fee6a1cae6ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e8054353efb55a57013fac680864eabdf49c011ac9bcee785fee6a1cae6ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e8054353efb55a57013fac680864eabdf49c011ac9bcee785fee6a1cae6ebc", kill_on_drop: false }`
[INFO] [stdout] 29e8054353efb55a57013fac680864eabdf49c011ac9bcee785fee6a1cae6ebc
[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] b341f3e4b0f66ce2880276f0c34d258f4bf32d459eeb21b99e91159cba043460
[INFO] running `Command { std: "docker" "start" "-a" "b341f3e4b0f66ce2880276f0c34d258f4bf32d459eeb21b99e91159cba043460", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking envmnt v0.8.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking ci_info v0.10.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking astro-float-num v0.2.2
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/astro-float-num-0.2.2/src/ops/pow.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 | /                 if self.is_positive() || n.is_int() {
[INFO] [stdout] 472 | |                     let mut ret = Self::from_word(1, p)?;
[INFO] [stdout] 473 | |                     ret.set_inexact(self.inexact() || n.inexact());
[INFO] [stdout] 474 | |                     return Ok(ret);
[INFO] [stdout] 475 | |                 } else {
[INFO] [stdout] 476 | |                     return Err(Error::InvalidArgument);
[INFO] [stdout] 477 | |                 }
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/astro-float-num-0.2.2/src/ops/pow.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 | /                 if self.is_positive() || n.is_int() {
[INFO] [stdout] 472 | |                     let mut ret = Self::from_word(1, p)?;
[INFO] [stdout] 473 | |                     ret.set_inexact(self.inexact() || n.inexact());
[INFO] [stdout] 474 | |                     return Ok(ret);
[INFO] [stdout] 475 | |                 } else {
[INFO] [stdout] 476 | |                     return Err(Error::InvalidArgument);
[INFO] [stdout] 477 | |                 }
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[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 E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `astro-float-num` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `astro-float-num` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b341f3e4b0f66ce2880276f0c34d258f4bf32d459eeb21b99e91159cba043460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b341f3e4b0f66ce2880276f0c34d258f4bf32d459eeb21b99e91159cba043460", kill_on_drop: false }`
[INFO] [stdout] b341f3e4b0f66ce2880276f0c34d258f4bf32d459eeb21b99e91159cba043460