[INFO] fetching crate ibuilder 0.1.8... [INFO] checking ibuilder-0.1.8 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate ibuilder 0.1.8 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate ibuilder 0.1.8 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 ibuilder 0.1.8 [INFO] finished tweaking crates.io crate ibuilder 0.1.8 [INFO] tweaked toml for crates.io crate ibuilder 0.1.8 written to /workspace/builds/worker-7-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 53 packages [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 ibuilder_derive v0.1.8 [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] 1c046a2436869a461aae9948c32bb9eb0acbd01474e5b6eda1cf6ee2107ba669 [INFO] running `Command { std: "docker" "start" "-a" "1c046a2436869a461aae9948c32bb9eb0acbd01474e5b6eda1cf6ee2107ba669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c046a2436869a461aae9948c32bb9eb0acbd01474e5b6eda1cf6ee2107ba669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c046a2436869a461aae9948c32bb9eb0acbd01474e5b6eda1cf6ee2107ba669", kill_on_drop: false }` [INFO] [stdout] 1c046a2436869a461aae9948c32bb9eb0acbd01474e5b6eda1cf6ee2107ba669 [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] 5dfbc26b363278beca851688abde727cadc69024a1ba083772df29785fb4987c [INFO] running `Command { std: "docker" "start" "-a" "5dfbc26b363278beca851688abde727cadc69024a1ba083772df29785fb4987c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [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 rustc-demangle v0.1.23 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling ibuilder_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking ibuilder v0.1.8 (/opt/rustwide/workdir) [INFO] [stderr] Checking trybuild v1.0.91 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/unnamed_field.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | struct Test(i64); [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Test` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 | struct Test(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `field` and `lol` are never read [INFO] [stdout] --> tests/enum.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 6 | Var2 { [INFO] [stdout] | ---- fields in this variant [INFO] [stdout] 7 | field: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | #[ibuilder(default = "ciao")] [INFO] [stdout] 9 | lol: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/enum.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | Var3(i32), [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | Var3(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `integer`, `defaulted`, `inner`, and `en` are never read [INFO] [stdout] --> tests/random.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Base { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 8 | integer: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | #[ibuilder(default = 42)] [INFO] [stdout] 10 | defaulted: i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 11 | inner: Inner, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | #[ibuilder(rename = "enum")] [INFO] [stdout] 13 | en: Enum, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Base` 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: fields `string` and `defaulted` are never read [INFO] [stdout] --> tests/random.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct Inner { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 19 | string: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 20 | #[ibuilder(default = "lol")] [INFO] [stdout] 21 | defaulted: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Inner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `field` and `field2` are never read [INFO] [stdout] --> tests/random.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 29 | Var2 { [INFO] [stdout] | ---- fields in this variant [INFO] [stdout] 30 | #[ibuilder(hidden, default = "nope")] [INFO] [stdout] 31 | field: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 32 | #[ibuilder(rename = "baz")] [INFO] [stdout] 33 | field2: Inner, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/random.rs:35:10 [INFO] [stdout] | [INFO] [stdout] 35 | Var3(Inner), [INFO] [stdout] | ---- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 35 | Var3(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/random.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | Var4(Vec>>>>>>), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 37 | Var4(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.15s [INFO] running `Command { std: "docker" "inspect" "5dfbc26b363278beca851688abde727cadc69024a1ba083772df29785fb4987c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dfbc26b363278beca851688abde727cadc69024a1ba083772df29785fb4987c", kill_on_drop: false }` [INFO] [stdout] 5dfbc26b363278beca851688abde727cadc69024a1ba083772df29785fb4987c [INFO] checking ibuilder-0.1.8 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate ibuilder 0.1.8 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate ibuilder 0.1.8 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 ibuilder 0.1.8 [INFO] finished tweaking crates.io crate ibuilder 0.1.8 [INFO] tweaked toml for crates.io crate ibuilder 0.1.8 written to /workspace/builds/worker-7-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-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] 49f54c45465e27712a161f9db1a837808dfc22fb153c97dd5b5d5002cf17e583 [INFO] running `Command { std: "docker" "start" "-a" "49f54c45465e27712a161f9db1a837808dfc22fb153c97dd5b5d5002cf17e583", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49f54c45465e27712a161f9db1a837808dfc22fb153c97dd5b5d5002cf17e583", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49f54c45465e27712a161f9db1a837808dfc22fb153c97dd5b5d5002cf17e583", kill_on_drop: false }` [INFO] [stdout] 49f54c45465e27712a161f9db1a837808dfc22fb153c97dd5b5d5002cf17e583 [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] a0ff7594ecaf347e4196bb0facc25ab1f83eb62f63d9e51273ad5f431e81bb62 [INFO] running `Command { std: "docker" "start" "-a" "a0ff7594ecaf347e4196bb0facc25ab1f83eb62f63d9e51273ad5f431e81bb62", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking rand_core v0.5.1 [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" "a0ff7594ecaf347e4196bb0facc25ab1f83eb62f63d9e51273ad5f431e81bb62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0ff7594ecaf347e4196bb0facc25ab1f83eb62f63d9e51273ad5f431e81bb62", kill_on_drop: false }` [INFO] [stdout] a0ff7594ecaf347e4196bb0facc25ab1f83eb62f63d9e51273ad5f431e81bb62