[INFO] fetching crate fiber 0.1.0...
[INFO] checking fiber-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate fiber 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate fiber 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 fiber 0.1.0
[INFO] finished tweaking crates.io crate fiber 0.1.0
[INFO] tweaked toml for crates.io crate fiber 0.1.0 written to /workspace/builds/worker-1-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 12 packages
[INFO] [stderr]       Adding dtoa v0.2.2 (latest: v1.0.9)
[INFO] [stderr]       Adding glob v0.2.11 (latest: v0.3.1)
[INFO] [stderr]       Adding itoa v0.1.1 (latest: v1.0.11)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding pest v0.4.1 (latest: v2.7.9)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding serde v0.8.23 (latest: v1.0.197)
[INFO] [stderr]       Adding serde_json v0.8.6 (latest: v1.0.115)
[INFO] [stderr]       Adding tera v0.1.3 (latest: v1.19.1)
[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 dtoa v0.2.2
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded serde_json v0.8.6
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded pest v0.4.1
[INFO] [stderr]   Downloaded tera v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 21da83f3a6b9479abbf63cd0aaa5d4c2899939aa5d5f3f357f14fce8af0c6607
[INFO] running `Command { std: "docker" "start" "-a" "21da83f3a6b9479abbf63cd0aaa5d4c2899939aa5d5f3f357f14fce8af0c6607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21da83f3a6b9479abbf63cd0aaa5d4c2899939aa5d5f3f357f14fce8af0c6607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21da83f3a6b9479abbf63cd0aaa5d4c2899939aa5d5f3f357f14fce8af0c6607", kill_on_drop: false }`
[INFO] [stdout] 21da83f3a6b9479abbf63cd0aaa5d4c2899939aa5d5f3f357f14fce8af0c6607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ca3742746c8a7e7aea81e6f33ab0d9f8f983ffc9e63a7c768c4e0ae209c7df84
[INFO] running `Command { std: "docker" "start" "-a" "ca3742746c8a7e7aea81e6f33ab0d9f8f983ffc9e63a7c768c4e0ae209c7df84", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking tera v0.1.3
[INFO] [stderr]     Checking fiber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "ca3742746c8a7e7aea81e6f33ab0d9f8f983ffc9e63a7c768c4e0ae209c7df84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3742746c8a7e7aea81e6f33ab0d9f8f983ffc9e63a7c768c4e0ae209c7df84", kill_on_drop: false }`
[INFO] [stdout] ca3742746c8a7e7aea81e6f33ab0d9f8f983ffc9e63a7c768c4e0ae209c7df84
[INFO] checking fiber-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate fiber 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate fiber 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 fiber 0.1.0
[INFO] finished tweaking crates.io crate fiber 0.1.0
[INFO] tweaked toml for crates.io crate fiber 0.1.0 written to /workspace/builds/worker-1-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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 50ca65ee5fcd97516f7ddce590964c34af8c525bd396e0342e0ad5e737ff8942
[INFO] running `Command { std: "docker" "start" "-a" "50ca65ee5fcd97516f7ddce590964c34af8c525bd396e0342e0ad5e737ff8942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50ca65ee5fcd97516f7ddce590964c34af8c525bd396e0342e0ad5e737ff8942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ca65ee5fcd97516f7ddce590964c34af8c525bd396e0342e0ad5e737ff8942", kill_on_drop: false }`
[INFO] [stdout] 50ca65ee5fcd97516f7ddce590964c34af8c525bd396e0342e0ad5e737ff8942
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d84483ad0750c555f26ca10ba7dd0737147965eae7d4569e5178e319b9c2a61e
[INFO] running `Command { std: "docker" "start" "-a" "d84483ad0750c555f26ca10ba7dd0737147965eae7d4569e5178e319b9c2a61e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking tera v0.1.3
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tera-0.1.3/src/render.rs:359:25
[INFO] [stdout]     |
[INFO] [stdout] 359 | /                         match b.clone() {
[INFO] [stdout] 360 | |                             Block {body, ..} => {
[INFO] [stdout] 361 | |                                 return self.render_node(*body.clone());
[INFO] [stdout] 362 | |                             },
[INFO] [stdout] 363 | |                             _ => unreachable!()
[INFO] [stdout] 364 | |                         }
[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 `tera` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d84483ad0750c555f26ca10ba7dd0737147965eae7d4569e5178e319b9c2a61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84483ad0750c555f26ca10ba7dd0737147965eae7d4569e5178e319b9c2a61e", kill_on_drop: false }`
[INFO] [stdout] d84483ad0750c555f26ca10ba7dd0737147965eae7d4569e5178e319b9c2a61e