[INFO] fetching crate bigbed 0.2.0...
[INFO] checking bigbed-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate bigbed 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bigbed 0.2.0 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 bigbed 0.2.0
[INFO] finished tweaking crates.io crate bigbed 0.2.0
[INFO] tweaked toml for crates.io crate bigbed 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate bigbed 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 146d29bd7e44e1d496934de15ad0fba27a12bdf4f82215c911ebd83e48ef1c22
[INFO] running `Command { std: "docker" "start" "-a" "146d29bd7e44e1d496934de15ad0fba27a12bdf4f82215c911ebd83e48ef1c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "146d29bd7e44e1d496934de15ad0fba27a12bdf4f82215c911ebd83e48ef1c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146d29bd7e44e1d496934de15ad0fba27a12bdf4f82215c911ebd83e48ef1c22", kill_on_drop: false }`
[INFO] [stdout] 146d29bd7e44e1d496934de15ad0fba27a12bdf4f82215c911ebd83e48ef1c22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ec8fcebe309c561ebc535db053dc9fc2858991b3d2a29831bb106a23f8e3c077
[INFO] running `Command { std: "docker" "start" "-a" "ec8fcebe309c561ebc535db053dc9fc2858991b3d2a29831bb106a23f8e3c077", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking bigbed v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `block_size` and `item_count` are never read
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct BPlusTreeFile { 
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 119 |     big_endian: bool,
[INFO] [stdout] 120 |     block_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     item_count: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BPlusTreeFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 288 | struct CIRTreeFile {
[INFO] [stdout]     |        ----------- fields in this struct
[INFO] [stdout] 289 |     big_endian: bool,
[INFO] [stdout] 290 |     block_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 291 |     item_count: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 292 |     start_chrom_ix: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 293 |     start_base: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 294 |     end_chrom_ix: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 295 |     end_base: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 296 |     file_size: u64,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 297 |     items_per_slot: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CIRTreeFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_size` and `item_count` are never read
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct BPlusTreeFile { 
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 119 |     big_endian: bool,
[INFO] [stdout] 120 |     block_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     item_count: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BPlusTreeFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 288 | struct CIRTreeFile {
[INFO] [stdout]     |        ----------- fields in this struct
[INFO] [stdout] 289 |     big_endian: bool,
[INFO] [stdout] 290 |     block_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 291 |     item_count: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 292 |     start_chrom_ix: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 293 |     start_base: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 294 |     end_chrom_ix: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 295 |     end_base: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 296 |     file_size: u64,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 297 |     items_per_slot: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CIRTreeFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "ec8fcebe309c561ebc535db053dc9fc2858991b3d2a29831bb106a23f8e3c077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8fcebe309c561ebc535db053dc9fc2858991b3d2a29831bb106a23f8e3c077", kill_on_drop: false }`
[INFO] [stdout] ec8fcebe309c561ebc535db053dc9fc2858991b3d2a29831bb106a23f8e3c077
[INFO] checking bigbed-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate bigbed 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate bigbed 0.2.0 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 bigbed 0.2.0
[INFO] finished tweaking crates.io crate bigbed 0.2.0
[INFO] tweaked toml for crates.io crate bigbed 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate bigbed 0.2.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 827cde7e88c4234c81970ae613aa88a0e6eb6ae82bb02630803da9ec05cbbd28
[INFO] running `Command { std: "docker" "start" "-a" "827cde7e88c4234c81970ae613aa88a0e6eb6ae82bb02630803da9ec05cbbd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "827cde7e88c4234c81970ae613aa88a0e6eb6ae82bb02630803da9ec05cbbd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827cde7e88c4234c81970ae613aa88a0e6eb6ae82bb02630803da9ec05cbbd28", kill_on_drop: false }`
[INFO] [stdout] 827cde7e88c4234c81970ae613aa88a0e6eb6ae82bb02630803da9ec05cbbd28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e7ce48d6280b4b0886fd4fc28858f5f3e3f7ac603708a57f3091b905c90a432b
[INFO] running `Command { std: "docker" "start" "-a" "e7ce48d6280b4b0886fd4fc28858f5f3e3f7ac603708a57f3091b905c90a432b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.3.5/src/inflate/core.rs:1076:9
[INFO] [stdout]      |
[INFO] [stdout] 1076 | /         match state {
[INFO] [stdout] 1077 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1078 | |                 l.bit_buf = 0;
[INFO] [stdout] 1079 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1608 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1609 | |         };
[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" "e7ce48d6280b4b0886fd4fc28858f5f3e3f7ac603708a57f3091b905c90a432b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ce48d6280b4b0886fd4fc28858f5f3e3f7ac603708a57f3091b905c90a432b", kill_on_drop: false }`
[INFO] [stdout] e7ce48d6280b4b0886fd4fc28858f5f3e3f7ac603708a57f3091b905c90a432b