[INFO] fetching crate cranelift-faerie 0.66.0... [INFO] checking cranelift-faerie-0.66.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate cranelift-faerie 0.66.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate cranelift-faerie 0.66.0 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 cranelift-faerie 0.66.0 [INFO] finished tweaking crates.io crate cranelift-faerie 0.66.0 [INFO] tweaked toml for crates.io crate cranelift-faerie 0.66.0 written to /workspace/builds/worker-3-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 32 packages [INFO] [stderr] Adding cranelift-bforest v0.66.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen v0.66.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen-meta v0.66.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen-shared v0.66.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-entity v0.66.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-module v0.66.0 (latest: v0.106.1) [INFO] [stderr] Adding faerie v0.15.0 (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 regalloc v0.0.27 (latest: v0.0.34) [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 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] 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-module v0.66.0 [INFO] [stderr] Downloaded cranelift-codegen-shared v0.66.0 [INFO] [stderr] Downloaded cranelift-entity v0.66.0 [INFO] [stderr] Downloaded cranelift-bforest v0.66.0 [INFO] [stderr] Downloaded regalloc v0.0.27 [INFO] [stderr] Downloaded faerie v0.15.0 [INFO] [stderr] Downloaded string-interner v0.7.1 [INFO] [stderr] Downloaded goblin v0.1.3 [INFO] [stderr] Downloaded cranelift-codegen v0.66.0 [INFO] [stderr] Downloaded cranelift-codegen-meta v0.66.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b91ece7e973c9db33f18004b237858c9f4a8486e3dda4ade65d85bfa195777a2 [INFO] running `Command { std: "docker" "start" "-a" "b91ece7e973c9db33f18004b237858c9f4a8486e3dda4ade65d85bfa195777a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b91ece7e973c9db33f18004b237858c9f4a8486e3dda4ade65d85bfa195777a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b91ece7e973c9db33f18004b237858c9f4a8486e3dda4ade65d85bfa195777a2", kill_on_drop: false }` [INFO] [stdout] b91ece7e973c9db33f18004b237858c9f4a8486e3dda4ade65d85bfa195777a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5a3f10d0d3c828eb759e90a48dfc43a72d17fd7d6c34574f67864db0c0c5216d [INFO] running `Command { std: "docker" "start" "-a" "5a3f10d0d3c828eb759e90a48dfc43a72d17fd7d6c34574f67864db0c0c5216d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cranelift-codegen-shared v0.66.0 [INFO] [stderr] Compiling cranelift-entity v0.66.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Checking regalloc v0.0.27 [INFO] [stderr] Checking string-interner v0.7.1 [INFO] [stderr] Checking cranelift-bforest v0.66.0 [INFO] [stderr] Compiling cranelift-codegen-meta v0.66.0 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Checking scroll v0.10.2 [INFO] [stderr] Checking goblin v0.1.3 [INFO] [stderr] Compiling cranelift-codegen v0.66.0 [INFO] [stderr] Checking faerie v0.15.0 [INFO] [stderr] Checking cranelift-module v0.66.0 [INFO] [stderr] Checking cranelift-faerie v0.66.0 (/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: the item `faerie` is imported redundantly [INFO] [stdout] --> src/backend.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use faerie; [INFO] [stdout] | ^^^^^^ the item `faerie` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `faerie` is imported redundantly [INFO] [stdout] --> src/backend.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use faerie; [INFO] [stdout] | ^^^^^^ the item `faerie` is already defined by prelude [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 9.51s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.66.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "5a3f10d0d3c828eb759e90a48dfc43a72d17fd7d6c34574f67864db0c0c5216d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a3f10d0d3c828eb759e90a48dfc43a72d17fd7d6c34574f67864db0c0c5216d", kill_on_drop: false }` [INFO] [stdout] 5a3f10d0d3c828eb759e90a48dfc43a72d17fd7d6c34574f67864db0c0c5216d [INFO] checking cranelift-faerie-0.66.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate cranelift-faerie 0.66.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate cranelift-faerie 0.66.0 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 cranelift-faerie 0.66.0 [INFO] finished tweaking crates.io crate cranelift-faerie 0.66.0 [INFO] tweaked toml for crates.io crate cranelift-faerie 0.66.0 written to /workspace/builds/worker-3-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8d25c5e130ce06f2cdee499cbade790447228f94970acc67366ce0920ee2c8ed [INFO] running `Command { std: "docker" "start" "-a" "8d25c5e130ce06f2cdee499cbade790447228f94970acc67366ce0920ee2c8ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d25c5e130ce06f2cdee499cbade790447228f94970acc67366ce0920ee2c8ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d25c5e130ce06f2cdee499cbade790447228f94970acc67366ce0920ee2c8ed", kill_on_drop: false }` [INFO] [stdout] 8d25c5e130ce06f2cdee499cbade790447228f94970acc67366ce0920ee2c8ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0da71962a02ea86f56354a499cda9e8468c38de27ec4852e8eeebc0a29eccad2 [INFO] running `Command { std: "docker" "start" "-a" "0da71962a02ea86f56354a499cda9e8468c38de27ec4852e8eeebc0a29eccad2", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cranelift-codegen-shared v0.66.0 [INFO] [stderr] Compiling cranelift-entity v0.66.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking regalloc v0.0.27 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking string-interner v0.7.1 [INFO] [stderr] Compiling cranelift-codegen-meta v0.66.0 [INFO] [stderr] Checking cranelift-bforest v0.66.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Checking scroll v0.10.2 [INFO] [stderr] Checking goblin v0.1.3 [INFO] [stderr] Compiling cranelift-codegen v0.66.0 [INFO] [stderr] Checking faerie v0.15.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/faerie-0.15.0/src/artifact.rs:471:21 [INFO] [stdout] | [INFO] [stdout] 471 | 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] 471 | 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" "0da71962a02ea86f56354a499cda9e8468c38de27ec4852e8eeebc0a29eccad2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0da71962a02ea86f56354a499cda9e8468c38de27ec4852e8eeebc0a29eccad2", kill_on_drop: false }` [INFO] [stdout] 0da71962a02ea86f56354a499cda9e8468c38de27ec4852e8eeebc0a29eccad2