[INFO] cloning repository https://github.com/sarcaustech/epub-index
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sarcaustech/epub-index" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarcaustech%2Fepub-index", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarcaustech%2Fepub-index'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ded43fa5ebdce00f9da6d3c938c1f014ce1f74c3
[INFO] checking sarcaustech/epub-index against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarcaustech%2Fepub-index" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sarcaustech/epub-index 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 git repo https://github.com/sarcaustech/epub-index
[INFO] finished tweaking git repo https://github.com/sarcaustech/epub-index
[INFO] tweaked toml for git repo https://github.com/sarcaustech/epub-index written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sarcaustech/epub-index already has a lockfile, it will not be regenerated
[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 syn v2.0.24
[INFO] [stderr]   Downloaded epub v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f8e3c39da19d857960ccd981ea1af5737ff3f426b29a3483ed27ddc743a76df3
[INFO] running `Command { std: "docker" "start" "-a" "f8e3c39da19d857960ccd981ea1af5737ff3f426b29a3483ed27ddc743a76df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e3c39da19d857960ccd981ea1af5737ff3f426b29a3483ed27ddc743a76df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e3c39da19d857960ccd981ea1af5737ff3f426b29a3483ed27ddc743a76df3", kill_on_drop: false }`
[INFO] [stdout] f8e3c39da19d857960ccd981ea1af5737ff3f426b29a3483ed27ddc743a76df3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2a38afc95224a47a5e8c51d804abb9715d05c27f2dc4cb69dd53066f7455831f
[INFO] running `Command { std: "docker" "start" "-a" "2a38afc95224a47a5e8c51d804abb9715d05c27f2dc4cb69dd53066f7455831f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking regex-syntax v0.7.3
[INFO] [stderr]     Checking xml-rs v0.8.15
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]    Compiling syn v2.0.24
[INFO] [stderr]     Checking regex-automata v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking epub v2.1.1
[INFO] [stderr]     Checking epub-index v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "2a38afc95224a47a5e8c51d804abb9715d05c27f2dc4cb69dd53066f7455831f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a38afc95224a47a5e8c51d804abb9715d05c27f2dc4cb69dd53066f7455831f", kill_on_drop: false }`
[INFO] [stdout] 2a38afc95224a47a5e8c51d804abb9715d05c27f2dc4cb69dd53066f7455831f
[INFO] checking sarcaustech/epub-index against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarcaustech%2Fepub-index" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sarcaustech/epub-index 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 git repo https://github.com/sarcaustech/epub-index
[INFO] finished tweaking git repo https://github.com/sarcaustech/epub-index
[INFO] tweaked toml for git repo https://github.com/sarcaustech/epub-index written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sarcaustech/epub-index already has a lockfile, it will not be regenerated
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c742abb5fd0b0ecb790a59ca069040ac0d7679e83ca5d650c19e428d56ddb216
[INFO] running `Command { std: "docker" "start" "-a" "c742abb5fd0b0ecb790a59ca069040ac0d7679e83ca5d650c19e428d56ddb216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c742abb5fd0b0ecb790a59ca069040ac0d7679e83ca5d650c19e428d56ddb216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c742abb5fd0b0ecb790a59ca069040ac0d7679e83ca5d650c19e428d56ddb216", kill_on_drop: false }`
[INFO] [stdout] c742abb5fd0b0ecb790a59ca069040ac0d7679e83ca5d650c19e428d56ddb216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f32abbfd7d86979a495c63cdcd83d53dcfc1e373fa153dbb5b5110812750425e
[INFO] running `Command { std: "docker" "start" "-a" "f32abbfd7d86979a495c63cdcd83d53dcfc1e373fa153dbb5b5110812750425e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking regex-syntax v0.7.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking xml-rs v0.8.15
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.1/src/inflate/core.rs:1154:9
[INFO] [stdout]      |
[INFO] [stdout] 1154 | /         match state {
[INFO] [stdout] 1155 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1156 | |                 l.bit_buf = 0;
[INFO] [stdout] 1157 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1699 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1700 | |         };
[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" "f32abbfd7d86979a495c63cdcd83d53dcfc1e373fa153dbb5b5110812750425e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32abbfd7d86979a495c63cdcd83d53dcfc1e373fa153dbb5b5110812750425e", kill_on_drop: false }`
[INFO] [stdout] f32abbfd7d86979a495c63cdcd83d53dcfc1e373fa153dbb5b5110812750425e