[INFO] fetching crate weblab 0.3.5... [INFO] checking weblab-0.3.5 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate weblab 0.3.5 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate weblab 0.3.5 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 weblab 0.3.5 [INFO] finished tweaking crates.io crate weblab 0.3.5 [INFO] tweaked toml for crates.io crate weblab 0.3.5 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 86 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v3.2.25 (latest: v4.5.4) [INFO] [stderr] Adding clap_derive v3.2.25 (latest: v4.5.4) [INFO] [stderr] Adding clap_lex v0.2.4 (latest: v0.7.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding os_str_bytes v6.6.1 (latest: v7.0.0) [INFO] [stderr] Adding path-slash v0.1.5 (latest: v0.2.1) [INFO] [stderr] Adding sanitize-filename v0.3.0 (latest: v0.5.0) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] [stderr] Adding zip v0.5.13 (latest: v0.6.6) [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 weblab-macros v0.3.5 [INFO] [stderr] Downloaded weblab-assignment-structure v0.3.4 [INFO] [stderr] Downloaded time v0.1.45 [INFO] [stderr] Downloaded zip v0.5.13 [INFO] [stderr] Downloaded path-slash v0.1.5 [INFO] [stderr] Downloaded pathdiff v0.2.1 [INFO] [stderr] Downloaded sanitize-filename v0.3.0 [INFO] [stderr] Downloaded wasi v0.10.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded clap_lex v0.2.4 [INFO] [stderr] Downloaded os_str_bytes v6.6.1 [INFO] [stderr] Downloaded heck v0.4.1 [INFO] [stderr] Downloaded clap_derive v3.2.25 [INFO] [stderr] Downloaded textwrap v0.16.1 [INFO] [stderr] Downloaded clap v3.2.25 [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] 03a3ac7a78b3ab098058244fc8e31b55a64247272882f08cd66cf5b8c24da08d [INFO] running `Command { std: "docker" "start" "-a" "03a3ac7a78b3ab098058244fc8e31b55a64247272882f08cd66cf5b8c24da08d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03a3ac7a78b3ab098058244fc8e31b55a64247272882f08cd66cf5b8c24da08d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03a3ac7a78b3ab098058244fc8e31b55a64247272882f08cd66cf5b8c24da08d", kill_on_drop: false }` [INFO] [stdout] 03a3ac7a78b3ab098058244fc8e31b55a64247272882f08cd66cf5b8c24da08d [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] 8fe509b43a7f52be70b7bda8c35573702838c4361c93cfc1be753fe5512876a2 [INFO] running `Command { std: "docker" "start" "-a" "8fe509b43a7f52be70b7bda8c35573702838c4361c93cfc1be753fe5512876a2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling crc32fast v1.4.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking path-slash v0.1.5 [INFO] [stderr] Checking weblab-assignment-structure v0.3.4 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking bzip2 v0.4.4 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking sanitize-filename v0.3.0 [INFO] [stderr] Compiling clap_derive v3.2.25 [INFO] [stderr] Compiling weblab-macros v0.3.5 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking weblab v0.3.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.49s [INFO] running `Command { std: "docker" "inspect" "8fe509b43a7f52be70b7bda8c35573702838c4361c93cfc1be753fe5512876a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fe509b43a7f52be70b7bda8c35573702838c4361c93cfc1be753fe5512876a2", kill_on_drop: false }` [INFO] [stdout] 8fe509b43a7f52be70b7bda8c35573702838c4361c93cfc1be753fe5512876a2 [INFO] checking weblab-0.3.5 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate weblab 0.3.5 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate weblab 0.3.5 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 weblab 0.3.5 [INFO] finished tweaking crates.io crate weblab 0.3.5 [INFO] tweaked toml for crates.io crate weblab 0.3.5 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] edea6e8043e242fc29eb4abe55e69a55b7ef1a04097bc4335802658968639c45 [INFO] running `Command { std: "docker" "start" "-a" "edea6e8043e242fc29eb4abe55e69a55b7ef1a04097bc4335802658968639c45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "edea6e8043e242fc29eb4abe55e69a55b7ef1a04097bc4335802658968639c45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edea6e8043e242fc29eb4abe55e69a55b7ef1a04097bc4335802658968639c45", kill_on_drop: false }` [INFO] [stdout] edea6e8043e242fc29eb4abe55e69a55b7ef1a04097bc4335802658968639c45 [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] f4493e9cc81c31cebae7de171fecb595567e94decc70875e1d786e02a61f6b6f [INFO] running `Command { std: "docker" "start" "-a" "f4493e9cc81c31cebae7de171fecb595567e94decc70875e1d786e02a61f6b6f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling crc32fast v1.4.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling itoa v1.0.11 [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] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking byteorder v1.5.0 [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" "f4493e9cc81c31cebae7de171fecb595567e94decc70875e1d786e02a61f6b6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4493e9cc81c31cebae7de171fecb595567e94decc70875e1d786e02a61f6b6f", kill_on_drop: false }` [INFO] [stdout] f4493e9cc81c31cebae7de171fecb595567e94decc70875e1d786e02a61f6b6f