[INFO] fetching crate hjson2json 0.1.0...
[INFO] checking hjson2json-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate hjson2json 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate hjson2json 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 hjson2json 0.1.0
[INFO] finished tweaking crates.io crate hjson2json 0.1.0
[INFO] tweaked toml for crates.io crate hjson2json 0.1.0 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 28 packages
[INFO] [stderr]       Adding dtoa v0.2.2 (latest: v1.0.9)
[INFO] [stderr]       Adding error-chain v0.11.0 (latest: v0.12.4)
[INFO] [stderr]       Adding itoa v0.1.1 (latest: v1.0.11)
[INFO] [stderr]       Adding lazy_static v0.2.11 (latest: v1.4.0)
[INFO] [stderr]       Adding linked-hash-map v0.3.0 (latest: v0.5.6)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding serde v0.8.23 (latest: v1.0.197)
[INFO] [stderr]       Adding serde-hjson v0.8.2 (latest: v0.9.1)
[INFO] [stderr]       Adding serde_json v0.8.6 (latest: v1.0.115)
[INFO] [stderr]       Adding serde_test v0.8.23 (latest: v1.0.176)
[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 serde-hjson v0.8.2
[INFO] [stderr]   Downloaded serde_test v0.8.23
[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] 129e30ebceedaf3f6553f0b5001d4dfd4d2a91bad7ac881727f04705400de865
[INFO] running `Command { std: "docker" "start" "-a" "129e30ebceedaf3f6553f0b5001d4dfd4d2a91bad7ac881727f04705400de865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "129e30ebceedaf3f6553f0b5001d4dfd4d2a91bad7ac881727f04705400de865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129e30ebceedaf3f6553f0b5001d4dfd4d2a91bad7ac881727f04705400de865", kill_on_drop: false }`
[INFO] [stdout] 129e30ebceedaf3f6553f0b5001d4dfd4d2a91bad7ac881727f04705400de865
[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] 2737c9171c3fbb468b6602ea77035e0134bbc1571f386a4a63677946b5c3b510
[INFO] running `Command { std: "docker" "start" "-a" "2737c9171c3fbb468b6602ea77035e0134bbc1571f386a4a63677946b5c3b510", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking hjson2json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Json(::serde_json::Error);
[INFO] [stdout] 4 | |         Hjson(::serde_hjson::Error);
[INFO] [stdout] 5 | |     }
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Json(::serde_json::Error);
[INFO] [stdout] 4 | |         Hjson(::serde_hjson::Error);
[INFO] [stdout] 5 | |     }
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Json(::serde_json::Error);
[INFO] [stdout] 4 | |         Hjson(::serde_hjson::Error);
[INFO] [stdout] 5 | |     }
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Json(::serde_json::Error);
[INFO] [stdout] 4 | |         Hjson(::serde_hjson::Error);
[INFO] [stdout] 5 | |     }
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "2737c9171c3fbb468b6602ea77035e0134bbc1571f386a4a63677946b5c3b510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2737c9171c3fbb468b6602ea77035e0134bbc1571f386a4a63677946b5c3b510", kill_on_drop: false }`
[INFO] [stdout] 2737c9171c3fbb468b6602ea77035e0134bbc1571f386a4a63677946b5c3b510
[INFO] checking hjson2json-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate hjson2json 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate hjson2json 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 hjson2json 0.1.0
[INFO] finished tweaking crates.io crate hjson2json 0.1.0
[INFO] tweaked toml for crates.io crate hjson2json 0.1.0 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] ab2feae65c4ea5cf71c8e2ba6ef55b2185e6243b6418a304cd168f5c567d87f9
[INFO] running `Command { std: "docker" "start" "-a" "ab2feae65c4ea5cf71c8e2ba6ef55b2185e6243b6418a304cd168f5c567d87f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab2feae65c4ea5cf71c8e2ba6ef55b2185e6243b6418a304cd168f5c567d87f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2feae65c4ea5cf71c8e2ba6ef55b2185e6243b6418a304cd168f5c567d87f9", kill_on_drop: false }`
[INFO] [stdout] ab2feae65c4ea5cf71c8e2ba6ef55b2185e6243b6418a304cd168f5c567d87f9
[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] 2508fae70ac3559adb8758b1cc5dde8c6093fe372eb6334572d1f8d24d5918ef
[INFO] running `Command { std: "docker" "start" "-a" "2508fae70ac3559adb8758b1cc5dde8c6093fe372eb6334572d1f8d24d5918ef", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[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" "2508fae70ac3559adb8758b1cc5dde8c6093fe372eb6334572d1f8d24d5918ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2508fae70ac3559adb8758b1cc5dde8c6093fe372eb6334572d1f8d24d5918ef", kill_on_drop: false }`
[INFO] [stdout] 2508fae70ac3559adb8758b1cc5dde8c6093fe372eb6334572d1f8d24d5918ef