[INFO] fetching crate ddbug_parser 0.3.0... [INFO] checking ddbug_parser-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate ddbug_parser 0.3.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate ddbug_parser 0.3.0 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 ddbug_parser 0.3.0 [INFO] finished tweaking crates.io crate ddbug_parser 0.3.0 [INFO] tweaked toml for crates.io crate ddbug_parser 0.3.0 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 22 packages [INFO] [stderr] Adding fallible-iterator v0.2.0 (latest: v0.3.0) [INFO] [stderr] Adding gimli v0.23.0 (latest: v0.28.1) [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 v0.23.0 (latest: v0.34.0) [INFO] [stderr] Adding wasmparser v0.57.0 (latest: v0.202.0) [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 typed-arena v2.0.2 [INFO] [stderr] Downloaded wasmparser v0.57.0 [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] 44adf7ce97ccaf038b6efea52f2449f5822fffae7bd967179a9cc357d84b200a [INFO] running `Command { std: "docker" "start" "-a" "44adf7ce97ccaf038b6efea52f2449f5822fffae7bd967179a9cc357d84b200a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44adf7ce97ccaf038b6efea52f2449f5822fffae7bd967179a9cc357d84b200a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44adf7ce97ccaf038b6efea52f2449f5822fffae7bd967179a9cc357d84b200a", kill_on_drop: false }` [INFO] [stdout] 44adf7ce97ccaf038b6efea52f2449f5822fffae7bd967179a9cc357d84b200a [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] 6f3db72aba844b89ca8a9fe2e981cc691bf753f313929b43afbf5963a2e15131 [INFO] running `Command { std: "docker" "start" "-a" "6f3db72aba844b89ca8a9fe2e981cc691bf753f313929b43afbf5963a2e15131", kill_on_drop: false }` [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking wasmparser v0.57.0 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Checking ddbug_parser v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/file/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `gimli` is imported redundantly [INFO] [stdout] --> src/file/dwarf.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use gimli; [INFO] [stdout] | ^^^^^ the item `gimli` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `object` is imported redundantly [INFO] [stdout] --> src/file/dwarf.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | use object::{self, ObjectSection, ObjectSymbol}; [INFO] [stdout] | ^^^^ the item `object` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `gimli` is imported redundantly [INFO] [stdout] --> src/file/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use gimli; [INFO] [stdout] | ^^^^^ the item `gimli` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `memmap` is imported redundantly [INFO] [stdout] --> src/file/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use memmap; [INFO] [stdout] | ^^^^^^ the item `memmap` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `object` is imported redundantly [INFO] [stdout] --> src/file/mod.rs:11:14 [INFO] [stdout] | [INFO] [stdout] 11 | use object::{self, Object, ObjectSection, ObjectSegment, ObjectSymbol, ObjectSymbolTable}; [INFO] [stdout] | ^^^^ the item `object` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `gimli` is imported redundantly [INFO] [stdout] --> src/unit.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use gimli; [INFO] [stdout] | ^^^^^ the item `gimli` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/file/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `gimli` is imported redundantly [INFO] [stdout] --> src/file/dwarf.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use gimli; [INFO] [stdout] | ^^^^^ the item `gimli` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `object` is imported redundantly [INFO] [stdout] --> src/file/dwarf.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | use object::{self, ObjectSection, ObjectSymbol}; [INFO] [stdout] | ^^^^ the item `object` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `gimli` is imported redundantly [INFO] [stdout] --> src/file/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use gimli; [INFO] [stdout] | ^^^^^ the item `gimli` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `memmap` is imported redundantly [INFO] [stdout] --> src/file/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use memmap; [INFO] [stdout] | ^^^^^^ the item `memmap` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `object` is imported redundantly [INFO] [stdout] --> src/file/mod.rs:11:14 [INFO] [stdout] | [INFO] [stdout] 11 | use object::{self, Object, ObjectSection, ObjectSegment, ObjectSymbol, ObjectSymbolTable}; [INFO] [stdout] | ^^^^ the item `object` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `gimli` is imported redundantly [INFO] [stdout] --> src/unit.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use gimli; [INFO] [stdout] | ^^^^^ the item `gimli` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `discr` is never read [INFO] [stdout] --> src/types.rs:808:16 [INFO] [stdout] | [INFO] [stdout] 807 | pub struct Variant<'input> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 808 | pub(crate) discr: MemberOffset, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Variant` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `discr` is never read [INFO] [stdout] --> src/types.rs:808:16 [INFO] [stdout] | [INFO] [stdout] 807 | pub struct Variant<'input> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 808 | pub(crate) discr: MemberOffset, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Variant` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasmparser v0.57.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "6f3db72aba844b89ca8a9fe2e981cc691bf753f313929b43afbf5963a2e15131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f3db72aba844b89ca8a9fe2e981cc691bf753f313929b43afbf5963a2e15131", kill_on_drop: false }` [INFO] [stdout] 6f3db72aba844b89ca8a9fe2e981cc691bf753f313929b43afbf5963a2e15131 [INFO] checking ddbug_parser-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate ddbug_parser 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate ddbug_parser 0.3.0 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 ddbug_parser 0.3.0 [INFO] finished tweaking crates.io crate ddbug_parser 0.3.0 [INFO] tweaked toml for crates.io crate ddbug_parser 0.3.0 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] 834b65b1de4720205625266bc5f19ba9762a313c4cbe0e441f0b3cf2f8f402c6 [INFO] running `Command { std: "docker" "start" "-a" "834b65b1de4720205625266bc5f19ba9762a313c4cbe0e441f0b3cf2f8f402c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "834b65b1de4720205625266bc5f19ba9762a313c4cbe0e441f0b3cf2f8f402c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "834b65b1de4720205625266bc5f19ba9762a313c4cbe0e441f0b3cf2f8f402c6", kill_on_drop: false }` [INFO] [stdout] 834b65b1de4720205625266bc5f19ba9762a313c4cbe0e441f0b3cf2f8f402c6 [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] 0381004d0903b7d5729eaad9183864b4302ded03a09ce4d728b462ca8c1fc1cc [INFO] running `Command { std: "docker" "start" "-a" "0381004d0903b7d5729eaad9183864b4302ded03a09ce4d728b462ca8c1fc1cc", kill_on_drop: false }` [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking wasmparser v0.57.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Checking memmap v0.7.0 [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] [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" "0381004d0903b7d5729eaad9183864b4302ded03a09ce4d728b462ca8c1fc1cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0381004d0903b7d5729eaad9183864b4302ded03a09ce4d728b462ca8c1fc1cc", kill_on_drop: false }` [INFO] [stdout] 0381004d0903b7d5729eaad9183864b4302ded03a09ce4d728b462ca8c1fc1cc