[INFO] fetching crate graviton_backend 0.6.0... [INFO] checking graviton_backend-0.6.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate graviton_backend 0.6.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate graviton_backend 0.6.0 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 graviton_backend 0.6.0 [INFO] finished tweaking crates.io crate graviton_backend 0.6.0 [INFO] tweaked toml for crates.io crate graviton_backend 0.6.0 written to /workspace/builds/worker-5-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 68 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding colored v1.9.4 (latest: v2.1.0) [INFO] [stderr] Adding cranelift v0.56.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-bforest v0.56.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen v0.56.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen-meta v0.56.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen-shared v0.56.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-entity v0.56.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-faerie v0.56.0 (latest: v0.66.0) [INFO] [stderr] Adding cranelift-frontend v0.56.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-module v0.56.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-native v0.56.0 (latest: v0.106.1) [INFO] [stderr] Adding ctor v0.1.26 (latest: v0.2.7) [INFO] [stderr] Adding erased-serde v0.3.31 (latest: v0.4.4) [INFO] [stderr] Adding faerie v0.14.0 (latest: v0.16.0) [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 inventory v0.2.3 (latest: v0.3.15) [INFO] [stderr] Adding raw-cpuid v7.0.4 (latest: v11.0.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [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 semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding string-interner v0.7.1 (latest: v0.15.0) [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 typetag v0.1.8 (latest: v0.2.16) [INFO] [stderr] Adding typetag-impl v0.1.8 (latest: v0.2.16) [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 target-lexicon v0.10.0 [INFO] [stderr] Downloaded cranelift-entity v0.56.0 [INFO] [stderr] Downloaded string-interner v0.7.1 [INFO] [stderr] Downloaded cranelift-frontend v0.56.0 [INFO] [stderr] Downloaded faerie v0.14.0 [INFO] [stderr] Downloaded cranelift-module v0.56.0 [INFO] [stderr] Downloaded cranelift-bforest v0.56.0 [INFO] [stderr] Downloaded cranelift v0.56.0 [INFO] [stderr] Downloaded cranelift-codegen-meta v0.56.0 [INFO] [stderr] Downloaded raw-cpuid v7.0.4 [INFO] [stderr] Downloaded goblin v0.1.3 [INFO] [stderr] Downloaded cranelift-codegen v0.56.0 [INFO] [stderr] Downloaded cranelift-native v0.56.0 [INFO] [stderr] Downloaded graviton_ast v0.6.0 [INFO] [stderr] Downloaded graviton_core v0.6.0 [INFO] [stderr] Downloaded cranelift-faerie v0.56.0 [INFO] [stderr] Downloaded cranelift-codegen-shared v0.56.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ed2161db41e5f67ec9b82108a216222bc7f604e11e7a7ccc09c27f58b5e17eb8 [INFO] running `Command { std: "docker" "start" "-a" "ed2161db41e5f67ec9b82108a216222bc7f604e11e7a7ccc09c27f58b5e17eb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed2161db41e5f67ec9b82108a216222bc7f604e11e7a7ccc09c27f58b5e17eb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed2161db41e5f67ec9b82108a216222bc7f604e11e7a7ccc09c27f58b5e17eb8", kill_on_drop: false }` [INFO] [stdout] ed2161db41e5f67ec9b82108a216222bc7f604e11e7a7ccc09c27f58b5e17eb8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7dd3b4a924ffa47160337080f3ba3e7724b498415de263f066cc7d5e7a404b6a [INFO] running `Command { std: "docker" "start" "-a" "7dd3b4a924ffa47160337080f3ba3e7724b498415de263f066cc7d5e7a404b6a", kill_on_drop: false }` [INFO] [stderr] Compiling cranelift-entity v0.56.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling cranelift-codegen-shared v0.56.0 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Compiling raw-cpuid v7.0.4 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking colored v1.9.4 [INFO] [stderr] Checking string-interner v0.7.1 [INFO] [stderr] Compiling cranelift-codegen-meta v0.56.0 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Compiling ghost v0.1.17 [INFO] [stderr] Checking cranelift-bforest v0.56.0 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Checking graviton_core v0.6.0 [INFO] [stderr] Checking erased-serde v0.3.31 [INFO] [stderr] Compiling typetag-impl v0.1.8 [INFO] [stderr] Checking graviton_ast v0.6.0 [INFO] [stderr] Checking scroll v0.10.2 [INFO] [stderr] Checking goblin v0.1.3 [INFO] [stderr] Checking inventory v0.2.3 [INFO] [stderr] Checking typetag v0.1.8 [INFO] [stderr] Checking faerie v0.14.0 [INFO] [stderr] Compiling cranelift-codegen v0.56.0 [INFO] [stderr] Checking cranelift-module v0.56.0 [INFO] [stderr] Checking cranelift-frontend v0.56.0 [INFO] [stderr] Checking cranelift-native v0.56.0 [INFO] [stderr] Checking cranelift-faerie v0.56.0 [INFO] [stderr] Checking cranelift v0.56.0 [INFO] [stderr] Checking graviton_backend v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/native/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use cranelift::codegen::ir::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | use cranelift::frontend::*; [INFO] [stdout] 8 | use cranelift::prelude::*; [INFO] [stdout] | --------------------- the item `Value` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ast` is imported redundantly [INFO] [stdout] --> src/native/gravtypes.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::ast; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate graviton_ast as ast; [INFO] [stdout] | --------------------------------- the item `ast` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/native/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use cranelift::codegen::ir::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | use cranelift::frontend::*; [INFO] [stdout] 8 | use cranelift::prelude::*; [INFO] [stdout] | --------------------- the item `Value` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ast` is imported redundantly [INFO] [stdout] --> src/native/gravtypes.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::ast; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate graviton_ast as ast; [INFO] [stdout] | --------------------------------- the item `ast` is already imported here [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 10.24s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.56.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "7dd3b4a924ffa47160337080f3ba3e7724b498415de263f066cc7d5e7a404b6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dd3b4a924ffa47160337080f3ba3e7724b498415de263f066cc7d5e7a404b6a", kill_on_drop: false }` [INFO] [stdout] 7dd3b4a924ffa47160337080f3ba3e7724b498415de263f066cc7d5e7a404b6a [INFO] checking graviton_backend-0.6.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate graviton_backend 0.6.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate graviton_backend 0.6.0 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 graviton_backend 0.6.0 [INFO] finished tweaking crates.io crate graviton_backend 0.6.0 [INFO] tweaked toml for crates.io crate graviton_backend 0.6.0 written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d2e745988d03506e63b698c278dc1ed77bc3392970ef137775cb8cc29f6812b9 [INFO] running `Command { std: "docker" "start" "-a" "d2e745988d03506e63b698c278dc1ed77bc3392970ef137775cb8cc29f6812b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2e745988d03506e63b698c278dc1ed77bc3392970ef137775cb8cc29f6812b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2e745988d03506e63b698c278dc1ed77bc3392970ef137775cb8cc29f6812b9", kill_on_drop: false }` [INFO] [stdout] d2e745988d03506e63b698c278dc1ed77bc3392970ef137775cb8cc29f6812b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a1f3650546a76b2e432b3085f0084437977b49c38c8b217e8d11026dd5c371fa [INFO] running `Command { std: "docker" "start" "-a" "a1f3650546a76b2e432b3085f0084437977b49c38c8b217e8d11026dd5c371fa", kill_on_drop: false }` [INFO] [stderr] Compiling cranelift-entity v0.56.0 [INFO] [stderr] Compiling cranelift-codegen-shared v0.56.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Compiling raw-cpuid v7.0.4 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling cranelift-codegen-meta v0.56.0 [INFO] [stderr] Checking cranelift-bforest v0.56.0 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking colored v1.9.4 [INFO] [stderr] Checking indexmap v1.9.3 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Compiling ghost v0.1.17 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Compiling typetag-impl v0.1.8 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Checking scroll v0.10.2 [INFO] [stderr] Checking goblin v0.1.3 [INFO] [stderr] Checking inventory v0.2.3 [INFO] [stderr] Checking string-interner v0.7.1 [INFO] [stderr] Checking graviton_core v0.6.0 [INFO] [stderr] Checking erased-serde v0.3.31 [INFO] [stderr] Checking graviton_ast v0.6.0 [INFO] [stderr] Checking typetag v0.1.8 [INFO] [stderr] Checking faerie v0.14.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/faerie-0.14.0/src/artifact.rs:456:21 [INFO] [stdout] | [INFO] [stdout] 456 | Err(ArtifactError::DuplicateDefinition( [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] 456 | Err::(ArtifactError::DuplicateDefinition( [INFO] [stdout] | ++++++++++++++++++++ [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 `faerie` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a1f3650546a76b2e432b3085f0084437977b49c38c8b217e8d11026dd5c371fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1f3650546a76b2e432b3085f0084437977b49c38c8b217e8d11026dd5c371fa", kill_on_drop: false }` [INFO] [stdout] a1f3650546a76b2e432b3085f0084437977b49c38c8b217e8d11026dd5c371fa