[INFO] fetching crate lib_malloc_freq 0.1.2...
[INFO] checking lib_malloc_freq-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate lib_malloc_freq 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate lib_malloc_freq 0.1.2 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 lib_malloc_freq 0.1.2
[INFO] finished tweaking crates.io crate lib_malloc_freq 0.1.2
[INFO] tweaked toml for crates.io crate lib_malloc_freq 0.1.2 written to /workspace/builds/worker-0-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 41 packages
[INFO] [stderr]       Adding endian-type v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (latest: v0.9.34+deprecated)
[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 args v2.2.0
[INFO] [stderr]   Downloaded malloc_freq v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4700110b22109cac3a54faeb4ad931ba0e38f104bbf215457a5863a5a34255d3
[INFO] running `Command { std: "docker" "start" "-a" "4700110b22109cac3a54faeb4ad931ba0e38f104bbf215457a5863a5a34255d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4700110b22109cac3a54faeb4ad931ba0e38f104bbf215457a5863a5a34255d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4700110b22109cac3a54faeb4ad931ba0e38f104bbf215457a5863a5a34255d3", kill_on_drop: false }`
[INFO] [stdout] 4700110b22109cac3a54faeb4ad931ba0e38f104bbf215457a5863a5a34255d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 49b1bb5e5c908646a95b1165e3757a9e4a208376a312d1e9e5be33e3fd00705e
[INFO] running `Command { std: "docker" "start" "-a" "49b1bb5e5c908646a95b1165e3757a9e4a208376a312d1e9e5be33e3fd00705e", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking args v2.2.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking malloc_freq v0.1.2
[INFO] [stderr]     Checking lib_malloc_freq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "49b1bb5e5c908646a95b1165e3757a9e4a208376a312d1e9e5be33e3fd00705e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b1bb5e5c908646a95b1165e3757a9e4a208376a312d1e9e5be33e3fd00705e", kill_on_drop: false }`
[INFO] [stdout] 49b1bb5e5c908646a95b1165e3757a9e4a208376a312d1e9e5be33e3fd00705e
[INFO] checking lib_malloc_freq-0.1.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate lib_malloc_freq 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate lib_malloc_freq 0.1.2 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 lib_malloc_freq 0.1.2
[INFO] finished tweaking crates.io crate lib_malloc_freq 0.1.2
[INFO] tweaked toml for crates.io crate lib_malloc_freq 0.1.2 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 38dddb9011af0d050856745053f8f6771263bf38d0ba70974a3f3b503d39606f
[INFO] running `Command { std: "docker" "start" "-a" "38dddb9011af0d050856745053f8f6771263bf38d0ba70974a3f3b503d39606f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38dddb9011af0d050856745053f8f6771263bf38d0ba70974a3f3b503d39606f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38dddb9011af0d050856745053f8f6771263bf38d0ba70974a3f3b503d39606f", kill_on_drop: false }`
[INFO] [stdout] 38dddb9011af0d050856745053f8f6771263bf38d0ba70974a3f3b503d39606f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 795e8a7b47e7b14b47ac96ee03bfd65b2066cd0a3733590e7781969f13b793aa
[INFO] running `Command { std: "docker" "start" "-a" "795e8a7b47e7b14b47ac96ee03bfd65b2066cd0a3733590e7781969f13b793aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking args v2.2.0
[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 num-format v0.4.4
[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" "795e8a7b47e7b14b47ac96ee03bfd65b2066cd0a3733590e7781969f13b793aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795e8a7b47e7b14b47ac96ee03bfd65b2066cd0a3733590e7781969f13b793aa", kill_on_drop: false }`
[INFO] [stdout] 795e8a7b47e7b14b47ac96ee03bfd65b2066cd0a3733590e7781969f13b793aa