[INFO] fetching crate dnsstamps 0.1.9...
[INFO] checking dnsstamps-0.1.9 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate dnsstamps 0.1.9 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dnsstamps 0.1.9 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 dnsstamps 0.1.9
[INFO] finished tweaking crates.io crate dnsstamps 0.1.9
[INFO] tweaked toml for crates.io crate dnsstamps 0.1.9 written to /workspace/builds/worker-2-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 3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c271c45872d1aaa6490034864bec3698d5d2fa5b927b139fa53f70907514a010
[INFO] running `Command { std: "docker" "start" "-a" "c271c45872d1aaa6490034864bec3698d5d2fa5b927b139fa53f70907514a010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c271c45872d1aaa6490034864bec3698d5d2fa5b927b139fa53f70907514a010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c271c45872d1aaa6490034864bec3698d5d2fa5b927b139fa53f70907514a010", kill_on_drop: false }`
[INFO] [stdout] c271c45872d1aaa6490034864bec3698d5d2fa5b927b139fa53f70907514a010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0afbd105f3812e1666bf4ab77b5137435295639e25a8f355919a5701829f1390
[INFO] running `Command { std: "docker" "start" "-a" "0afbd105f3812e1666bf4ab77b5137435295639e25a8f355919a5701829f1390", kill_on_drop: false }`
[INFO] [stderr]     Checking ct-codecs v1.1.1
[INFO] [stderr]     Checking dnsstamps v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "0afbd105f3812e1666bf4ab77b5137435295639e25a8f355919a5701829f1390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0afbd105f3812e1666bf4ab77b5137435295639e25a8f355919a5701829f1390", kill_on_drop: false }`
[INFO] [stdout] 0afbd105f3812e1666bf4ab77b5137435295639e25a8f355919a5701829f1390
[INFO] checking dnsstamps-0.1.9 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate dnsstamps 0.1.9 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate dnsstamps 0.1.9 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 dnsstamps 0.1.9
[INFO] finished tweaking crates.io crate dnsstamps 0.1.9
[INFO] tweaked toml for crates.io crate dnsstamps 0.1.9 written to /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 674296052f73e221a22defd9340936b13779e90984566a34c58d87f8afe1e53a
[INFO] running `Command { std: "docker" "start" "-a" "674296052f73e221a22defd9340936b13779e90984566a34c58d87f8afe1e53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "674296052f73e221a22defd9340936b13779e90984566a34c58d87f8afe1e53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674296052f73e221a22defd9340936b13779e90984566a34c58d87f8afe1e53a", kill_on_drop: false }`
[INFO] [stdout] 674296052f73e221a22defd9340936b13779e90984566a34c58d87f8afe1e53a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 89104d45d2dcccff9c4cfc27e75bc8e9ac23ef0eb50d73de835d430e9af60361
[INFO] running `Command { std: "docker" "start" "-a" "89104d45d2dcccff9c4cfc27e75bc8e9ac23ef0eb50d73de835d430e9af60361", kill_on_drop: false }`
[INFO] [stderr]     Checking ct-codecs v1.1.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ct-codecs-1.1.1/src/hex.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 | /                 match ignore {
[INFO] [stdout] 50 | |                     Some(ignore) if ignore.contains(&c) => continue,
[INFO] [stdout] 51 | |                     _ => return Err(Error::InvalidInput),
[INFO] [stdout] 52 | |                 };
[INFO] [stdout]    | |_________________^ cannot infer type
[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 `ct-codecs` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "89104d45d2dcccff9c4cfc27e75bc8e9ac23ef0eb50d73de835d430e9af60361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89104d45d2dcccff9c4cfc27e75bc8e9ac23ef0eb50d73de835d430e9af60361", kill_on_drop: false }`
[INFO] [stdout] 89104d45d2dcccff9c4cfc27e75bc8e9ac23ef0eb50d73de835d430e9af60361