[INFO] fetching crate little-skeptic 0.15.2...
[INFO] checking little-skeptic-0.15.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate little-skeptic 0.15.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate little-skeptic 0.15.2 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 little-skeptic 0.15.2
[INFO] finished tweaking crates.io crate little-skeptic 0.15.2
[INFO] tweaked toml for crates.io crate little-skeptic 0.15.2 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 69 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytecount v0.5.1 (latest: v0.6.7)
[INFO] [stderr]       Adding cargo_metadata v0.8.2 (latest: v0.18.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding handlebars v2.0.4 (latest: v5.1.2)
[INFO] [stderr]       Adding hashbrown v0.5.0 (latest: v0.14.3)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pulldown-cmark v0.5.3 (latest: v0.10.2)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (latest: v0.8.2)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[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 bytecount v0.5.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.5.3
[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] 2509cf13fafcf51f37ecef947f17029bc31a793e2dfaa89be1986d7393cb0eba
[INFO] running `Command { std: "docker" "start" "-a" "2509cf13fafcf51f37ecef947f17029bc31a793e2dfaa89be1986d7393cb0eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2509cf13fafcf51f37ecef947f17029bc31a793e2dfaa89be1986d7393cb0eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2509cf13fafcf51f37ecef947f17029bc31a793e2dfaa89be1986d7393cb0eba", kill_on_drop: false }`
[INFO] [stdout] 2509cf13fafcf51f37ecef947f17029bc31a793e2dfaa89be1986d7393cb0eba
[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] d072023d39f6c728e094ccf5b9cf91ca4ffce4ad1ca700633ffdd4551331ea7e
[INFO] running `Command { std: "docker" "start" "-a" "d072023d39f6c728e094ccf5b9cf91ca4ffce4ad1ca700633ffdd4551331ea7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]     Checking pest v2.7.9
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stderr]     Checking cargo_metadata v0.8.2
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr]     Checking little-skeptic v0.15.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]    --> lib.rs:553:15
[INFO] [stdout]     |
[INFO] [stdout] 553 |     use std::{self, env};
[INFO] [stdout]     |               ^^^^ the item `std` is already imported by prelude
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]    --> lib.rs:553:15
[INFO] [stdout]     |
[INFO] [stdout] 553 |     use std::{self, env};
[INFO] [stdout]     |               ^^^^ the item `std` is already imported by prelude
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "d072023d39f6c728e094ccf5b9cf91ca4ffce4ad1ca700633ffdd4551331ea7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d072023d39f6c728e094ccf5b9cf91ca4ffce4ad1ca700633ffdd4551331ea7e", kill_on_drop: false }`
[INFO] [stdout] d072023d39f6c728e094ccf5b9cf91ca4ffce4ad1ca700633ffdd4551331ea7e
[INFO] checking little-skeptic-0.15.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate little-skeptic 0.15.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate little-skeptic 0.15.2 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 little-skeptic 0.15.2
[INFO] finished tweaking crates.io crate little-skeptic 0.15.2
[INFO] tweaked toml for crates.io crate little-skeptic 0.15.2 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] ef4b1043f42692227d7b42090dbe920fdc91615598025fab2670da6412959e29
[INFO] running `Command { std: "docker" "start" "-a" "ef4b1043f42692227d7b42090dbe920fdc91615598025fab2670da6412959e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef4b1043f42692227d7b42090dbe920fdc91615598025fab2670da6412959e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4b1043f42692227d7b42090dbe920fdc91615598025fab2670da6412959e29", kill_on_drop: false }`
[INFO] [stdout] ef4b1043f42692227d7b42090dbe920fdc91615598025fab2670da6412959e29
[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] 609f96e9df445f552edd672fec6a58ab1d2bb35ba0371abb153c5c3087886e0b
[INFO] running `Command { std: "docker" "start" "-a" "609f96e9df445f552edd672fec6a58ab1d2bb35ba0371abb153c5c3087886e0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking pest v2.7.9
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.2/src/inflate/core.rs:1196:9
[INFO] [stdout]      |
[INFO] [stdout] 1196 | /         match state {
[INFO] [stdout] 1197 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1198 | |                 l.bit_buf = 0;
[INFO] [stdout] 1199 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1741 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1742 | |         };
[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 `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "609f96e9df445f552edd672fec6a58ab1d2bb35ba0371abb153c5c3087886e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609f96e9df445f552edd672fec6a58ab1d2bb35ba0371abb153c5c3087886e0b", kill_on_drop: false }`
[INFO] [stdout] 609f96e9df445f552edd672fec6a58ab1d2bb35ba0371abb153c5c3087886e0b