[INFO] fetching crate radix50 0.1.0...
[INFO] checking radix50-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate radix50 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate radix50 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 radix50 0.1.0
[INFO] finished tweaking crates.io crate radix50 0.1.0
[INFO] tweaked toml for crates.io crate radix50 0.1.0 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages
[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 const_for v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5b947e1ab5a483764cc76732f9eb8dd4208852e47b3997e05a94af70e93ae369
[INFO] running `Command { std: "docker" "start" "-a" "5b947e1ab5a483764cc76732f9eb8dd4208852e47b3997e05a94af70e93ae369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b947e1ab5a483764cc76732f9eb8dd4208852e47b3997e05a94af70e93ae369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b947e1ab5a483764cc76732f9eb8dd4208852e47b3997e05a94af70e93ae369", kill_on_drop: false }`
[INFO] [stdout] 5b947e1ab5a483764cc76732f9eb8dd4208852e47b3997e05a94af70e93ae369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d7fe853c0bad6787a012f4db9a49d84b90cf1c1faac6c06a87e7d7213c46e702
[INFO] running `Command { std: "docker" "start" "-a" "d7fe853c0bad6787a012f4db9a49d84b90cf1c1faac6c06a87e7d7213c46e702", kill_on_drop: false }`
[INFO] [stderr]     Checking const_for v0.1.4
[INFO] [stderr]     Checking radix50 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "d7fe853c0bad6787a012f4db9a49d84b90cf1c1faac6c06a87e7d7213c46e702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7fe853c0bad6787a012f4db9a49d84b90cf1c1faac6c06a87e7d7213c46e702", kill_on_drop: false }`
[INFO] [stdout] d7fe853c0bad6787a012f4db9a49d84b90cf1c1faac6c06a87e7d7213c46e702
[INFO] checking radix50-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate radix50 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate radix50 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 radix50 0.1.0
[INFO] finished tweaking crates.io crate radix50 0.1.0
[INFO] tweaked toml for crates.io crate radix50 0.1.0 written to /workspace/builds/worker-7-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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7a44c2ca160e8066b4bfb482eda5c9deedac39543844deaef4953ce4ce6a26a4
[INFO] running `Command { std: "docker" "start" "-a" "7a44c2ca160e8066b4bfb482eda5c9deedac39543844deaef4953ce4ce6a26a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a44c2ca160e8066b4bfb482eda5c9deedac39543844deaef4953ce4ce6a26a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a44c2ca160e8066b4bfb482eda5c9deedac39543844deaef4953ce4ce6a26a4", kill_on_drop: false }`
[INFO] [stdout] 7a44c2ca160e8066b4bfb482eda5c9deedac39543844deaef4953ce4ce6a26a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 110f6379b41dd1e68dcce0bc3ba7a150e4d8ce9df727c79cb87b8fbd1c535f5a
[INFO] running `Command { std: "docker" "start" "-a" "110f6379b41dd1e68dcce0bc3ba7a150e4d8ce9df727c79cb87b8fbd1c535f5a", kill_on_drop: false }`
[INFO] [stderr]     Checking const_for v0.1.4
[INFO] [stderr]     Checking radix50 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> radix50.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         Err(Error::IllegalChar { char: c, pos })?;
[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] 195 |         Err::<T, Error>(Error::IllegalChar { char: c, pos })?;
[INFO] [stdout]     |            ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> radix50.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         Err(Error::IllegalChar { char: c, pos })?;
[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] 195 |         Err::<T, Error>(Error::IllegalChar { char: c, pos })?;
[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 `radix50` (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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `radix50` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "110f6379b41dd1e68dcce0bc3ba7a150e4d8ce9df727c79cb87b8fbd1c535f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110f6379b41dd1e68dcce0bc3ba7a150e4d8ce9df727c79cb87b8fbd1c535f5a", kill_on_drop: false }`
[INFO] [stdout] 110f6379b41dd1e68dcce0bc3ba7a150e4d8ce9df727c79cb87b8fbd1c535f5a