[INFO] fetching crate rust-zserio 0.0.3... [INFO] checking rust-zserio-0.0.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rust-zserio 0.0.3 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate rust-zserio 0.0.3 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 rust-zserio 0.0.3 [INFO] finished tweaking crates.io crate rust-zserio 0.0.3 [INFO] tweaked toml for crates.io crate rust-zserio 0.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate rust-zserio 0.0.3 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded murmur3 v0.4.1 [INFO] [stderr] Downloaded rust-bitwriter v0.0.1 [INFO] [stderr] Downloaded bitstream-io v1.7.0 [INFO] [stderr] Downloaded duplicate v1.0.0 [INFO] [stderr] Downloaded better_any v0.2.0 [INFO] [stderr] Downloaded antlr-rust v0.3.0-beta [INFO] [stderr] Downloaded codegen v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f0b68f5e6d3a135e4e9a6f198471609b168f19e80ecdb799dfaff2e542e11904 [INFO] running `Command { std: "docker" "start" "-a" "f0b68f5e6d3a135e4e9a6f198471609b168f19e80ecdb799dfaff2e542e11904", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0b68f5e6d3a135e4e9a6f198471609b168f19e80ecdb799dfaff2e542e11904", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0b68f5e6d3a135e4e9a6f198471609b168f19e80ecdb799dfaff2e542e11904", kill_on_drop: false }` [INFO] [stdout] f0b68f5e6d3a135e4e9a6f198471609b168f19e80ecdb799dfaff2e542e11904 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e086d1a35b615bbe07b17de441c716150406ac03a5920a05a7a2b6ecda55ca02 [INFO] running `Command { std: "docker" "start" "-a" "e086d1a35b615bbe07b17de441c716150406ac03a5920a05a7a2b6ecda55ca02", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling semver v1.0.18 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking clap_builder v4.4.4 [INFO] [stderr] Checking murmur3 v0.4.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking better_any v0.2.0 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking half v2.3.1 [INFO] [stderr] Checking bitreader v0.3.8 [INFO] [stderr] Checking rust-bitwriter v0.0.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking bitstream-io v1.7.0 [INFO] [stderr] Checking rust-format v0.3.4 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking convert_case v0.6.0 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking codegen v0.2.0 [INFO] [stderr] Compiling rstest_macros v0.16.0 [INFO] [stderr] Checking parking_lot_core v0.8.6 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking num-complex v0.4.4 [INFO] [stderr] Checking antlr-rust v0.3.0-beta [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking clap v4.4.4 [INFO] [stderr] Compiling duplicate v1.0.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking rstest v0.16.0 [INFO] [stderr] Checking rust-zserio v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/expression.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/field.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/package.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/type_reference.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/zenum.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/internal/generator/types.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{collections::HashMap, result::Result}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/expression.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/field.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/package.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/type_reference.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/zenum.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/internal/generator/types.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{collections::HashMap, result::Result}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/expression.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/field.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/package.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/type_reference.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/zenum.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/internal/generator/types.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{collections::HashMap, result::Result}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/expression.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/field.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/package.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/type_reference.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/internal/ast/zenum.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/internal/generator/types.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{collections::HashMap, result::Result}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.66s [INFO] running `Command { std: "docker" "inspect" "e086d1a35b615bbe07b17de441c716150406ac03a5920a05a7a2b6ecda55ca02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e086d1a35b615bbe07b17de441c716150406ac03a5920a05a7a2b6ecda55ca02", kill_on_drop: false }` [INFO] [stdout] e086d1a35b615bbe07b17de441c716150406ac03a5920a05a7a2b6ecda55ca02 [INFO] checking rust-zserio-0.0.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate rust-zserio 0.0.3 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate rust-zserio 0.0.3 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 rust-zserio 0.0.3 [INFO] finished tweaking crates.io crate rust-zserio 0.0.3 [INFO] tweaked toml for crates.io crate rust-zserio 0.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate rust-zserio 0.0.3 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5072b23d2f9f77bcb3105bf7c2d29d4f2ef82c307f210c03f89c419e07d981c0 [INFO] running `Command { std: "docker" "start" "-a" "5072b23d2f9f77bcb3105bf7c2d29d4f2ef82c307f210c03f89c419e07d981c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5072b23d2f9f77bcb3105bf7c2d29d4f2ef82c307f210c03f89c419e07d981c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5072b23d2f9f77bcb3105bf7c2d29d4f2ef82c307f210c03f89c419e07d981c0", kill_on_drop: false }` [INFO] [stdout] 5072b23d2f9f77bcb3105bf7c2d29d4f2ef82c307f210c03f89c419e07d981c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 542ccec3de0f6b17ae014ea8ba5ef7a3cc5cef76ac4433c100705dc2f3aae89b [INFO] running `Command { std: "docker" "start" "-a" "542ccec3de0f6b17ae014ea8ba5ef7a3cc5cef76ac4433c100705dc2f3aae89b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling semver v1.0.18 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking murmur3 v0.4.1 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking clap_builder v4.4.4 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking better_any v0.2.0 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking rust-bitwriter v0.0.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | Err(Error::new(D4_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 81 | Err::(Error::new(D4_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | Err(Error::new(D4_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 138 | Err::(Error::new(D4_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:246:13 [INFO] [stdout] | [INFO] [stdout] 246 | Err(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 246 | Err::(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:353:13 [INFO] [stdout] | [INFO] [stdout] 353 | Err(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 353 | Err::(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bitreader v0.3.8 [INFO] [stderr] Checking half v2.3.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/parser/mod.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | Err(Error::InvalidLength { [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 67 | Err::(Error::InvalidLength { [INFO] [stdout] | +++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking bitstream-io v1.7.0 [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] error: could not compile `uuid` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "542ccec3de0f6b17ae014ea8ba5ef7a3cc5cef76ac4433c100705dc2f3aae89b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "542ccec3de0f6b17ae014ea8ba5ef7a3cc5cef76ac4433c100705dc2f3aae89b", kill_on_drop: false }` [INFO] [stdout] 542ccec3de0f6b17ae014ea8ba5ef7a3cc5cef76ac4433c100705dc2f3aae89b