[INFO] fetching crate alexcrichton-cranelift-object 0.53.0... [INFO] checking alexcrichton-cranelift-object-0.53.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate alexcrichton-cranelift-object 0.53.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate alexcrichton-cranelift-object 0.53.0 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 alexcrichton-cranelift-object 0.53.0 [INFO] finished tweaking crates.io crate alexcrichton-cranelift-object 0.53.0 [INFO] tweaked toml for crates.io crate alexcrichton-cranelift-object 0.53.0 written to /workspace/builds/worker-1-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 29 packages [INFO] [stderr] Adding goblin v0.1.3 (latest: v0.8.0) [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 v0.17.0 (latest: v0.34.0) [INFO] [stderr] Adding scroll v0.10.2 (latest: v0.12.0) [INFO] [stderr] Adding scroll_derive v0.10.5 (latest: v0.12.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding target-lexicon v0.10.0 (latest: v0.12.14) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.8.0) [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 scroll_derive v0.10.5 [INFO] [stderr] Downloaded plain v0.2.3 [INFO] [stderr] Downloaded alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Downloaded object v0.17.0 [INFO] [stderr] Downloaded target-lexicon v0.10.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-module v0.53.0 [INFO] [stderr] Downloaded scroll v0.10.2 [INFO] [stderr] Downloaded alexcrichton-cranelift-codegen-shared v0.53.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Downloaded goblin v0.1.3 [INFO] [stderr] Downloaded alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-codegen v0.53.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0f1389f3e662e7b05b9b30f0fddd40e66d80861d0621ab9d59c0bad545d4a8ef [INFO] running `Command { std: "docker" "start" "-a" "0f1389f3e662e7b05b9b30f0fddd40e66d80861d0621ab9d59c0bad545d4a8ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f1389f3e662e7b05b9b30f0fddd40e66d80861d0621ab9d59c0bad545d4a8ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f1389f3e662e7b05b9b30f0fddd40e66d80861d0621ab9d59c0bad545d4a8ef", kill_on_drop: false }` [INFO] [stdout] 0f1389f3e662e7b05b9b30f0fddd40e66d80861d0621ab9d59c0bad545d4a8ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] afbdbb469fa3759f74d90a5723c526ab39a3b93963bb6f210192af5818d6910b [INFO] running `Command { std: "docker" "start" "-a" "afbdbb469fa3759f74d90a5723c526ab39a3b93963bb6f210192af5818d6910b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-shared v0.53.0 [INFO] [stderr] Compiling alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling crc32fast v1.4.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Checking alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking scroll v0.10.2 [INFO] [stderr] Checking goblin v0.1.3 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen v0.53.0 [INFO] [stderr] Checking object v0.17.0 [INFO] [stderr] Checking alexcrichton-cranelift-module v0.53.0 [INFO] [stderr] Checking alexcrichton-cranelift-object v0.53.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `cranelift_codegen` is imported redundantly [INFO] [stdout] --> src/backend.rs:9:25 [INFO] [stdout] | [INFO] [stdout] 9 | use cranelift_codegen::{self, binemit, ir}; [INFO] [stdout] | ^^^^ the item `cranelift_codegen` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `cranelift_codegen` is imported redundantly [INFO] [stdout] --> src/backend.rs:9:25 [INFO] [stdout] | [INFO] [stdout] 9 | use cranelift_codegen::{self, binemit, ir}; [INFO] [stdout] | ^^^^ the item `cranelift_codegen` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/backend.rs:465:5 [INFO] [stdout] | [INFO] [stdout] 463 | pub struct ObjectCompiledFunction { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] 464 | offset: u64, [INFO] [stdout] 465 | size: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ObjectCompiledFunction` has a derived impl for the trait `Clone`, 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: field `size` is never read [INFO] [stdout] --> src/backend.rs:465:5 [INFO] [stdout] | [INFO] [stdout] 463 | pub struct ObjectCompiledFunction { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] 464 | offset: u64, [INFO] [stdout] 465 | size: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ObjectCompiledFunction` has a derived impl for the trait `Clone`, 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.38s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alexcrichton-cranelift-codegen-meta v0.53.0 [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" "afbdbb469fa3759f74d90a5723c526ab39a3b93963bb6f210192af5818d6910b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afbdbb469fa3759f74d90a5723c526ab39a3b93963bb6f210192af5818d6910b", kill_on_drop: false }` [INFO] [stdout] afbdbb469fa3759f74d90a5723c526ab39a3b93963bb6f210192af5818d6910b [INFO] checking alexcrichton-cranelift-object-0.53.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate alexcrichton-cranelift-object 0.53.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate alexcrichton-cranelift-object 0.53.0 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 alexcrichton-cranelift-object 0.53.0 [INFO] finished tweaking crates.io crate alexcrichton-cranelift-object 0.53.0 [INFO] tweaked toml for crates.io crate alexcrichton-cranelift-object 0.53.0 written to /workspace/builds/worker-1-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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 121f0dfb752ed3aa75b9ee0127a2a5c31212f8b6e86f3986a7b24971f2f00a96 [INFO] running `Command { std: "docker" "start" "-a" "121f0dfb752ed3aa75b9ee0127a2a5c31212f8b6e86f3986a7b24971f2f00a96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "121f0dfb752ed3aa75b9ee0127a2a5c31212f8b6e86f3986a7b24971f2f00a96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "121f0dfb752ed3aa75b9ee0127a2a5c31212f8b6e86f3986a7b24971f2f00a96", kill_on_drop: false }` [INFO] [stdout] 121f0dfb752ed3aa75b9ee0127a2a5c31212f8b6e86f3986a7b24971f2f00a96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f8dc361b75df333d9d2ade9506fe3c05acb9502050b4a07aad24041af56029cf [INFO] running `Command { std: "docker" "start" "-a" "f8dc361b75df333d9d2ade9506fe3c05acb9502050b4a07aad24041af56029cf", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-shared v0.53.0 [INFO] [stderr] Compiling alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling crc32fast v1.4.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Checking alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking uuid v0.8.2 [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] [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] [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] 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" "f8dc361b75df333d9d2ade9506fe3c05acb9502050b4a07aad24041af56029cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8dc361b75df333d9d2ade9506fe3c05acb9502050b4a07aad24041af56029cf", kill_on_drop: false }` [INFO] [stdout] f8dc361b75df333d9d2ade9506fe3c05acb9502050b4a07aad24041af56029cf