[INFO] fetching crate wasmer-clif-fork-frontend 0.59.0... [INFO] checking wasmer-clif-fork-frontend-0.59.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate wasmer-clif-fork-frontend 0.59.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate wasmer-clif-fork-frontend 0.59.0 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 wasmer-clif-fork-frontend 0.59.0 [INFO] finished tweaking crates.io crate wasmer-clif-fork-frontend 0.59.0 [INFO] tweaked toml for crates.io crate wasmer-clif-fork-frontend 0.59.0 written to /workspace/builds/worker-0-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 ahash v0.2.19 (latest: v0.8.11) [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding cranelift-bforest v0.59.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen v0.59.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen-meta v0.59.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen-shared v0.59.0 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-entity v0.59.0 (latest: v0.106.1) [INFO] [stderr] Adding hashbrown v0.6.3 (latest: v0.14.3) [INFO] [stderr] Adding target-lexicon v0.10.0 (latest: v0.12.14) [INFO] [stderr] Adding wasi v0.11.0+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 cranelift-codegen-shared v0.59.0 [INFO] [stderr] Downloaded cranelift-entity v0.59.0 [INFO] [stderr] Downloaded cranelift-bforest v0.59.0 [INFO] [stderr] Downloaded cranelift-codegen-meta v0.59.0 [INFO] [stderr] Downloaded cranelift-codegen v0.59.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 51f7264fd5fa94f4550d94f9b8612804742804ac0517438ff8dc8ad0d6141bad [INFO] running `Command { std: "docker" "start" "-a" "51f7264fd5fa94f4550d94f9b8612804742804ac0517438ff8dc8ad0d6141bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51f7264fd5fa94f4550d94f9b8612804742804ac0517438ff8dc8ad0d6141bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51f7264fd5fa94f4550d94f9b8612804742804ac0517438ff8dc8ad0d6141bad", kill_on_drop: false }` [INFO] [stdout] 51f7264fd5fa94f4550d94f9b8612804742804ac0517438ff8dc8ad0d6141bad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8323a326e32b524d2fd6b755cb21938eec004deddd5c128b75376b6825d200e6 [INFO] running `Command { std: "docker" "start" "-a" "8323a326e32b524d2fd6b755cb21938eec004deddd5c128b75376b6825d200e6", kill_on_drop: false }` [INFO] [stderr] Compiling cranelift-codegen-shared v0.59.0 [INFO] [stderr] Compiling cranelift-entity v0.59.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling cranelift-codegen-meta v0.59.0 [INFO] [stderr] Checking cranelift-bforest v0.59.0 [INFO] [stderr] Compiling cranelift-codegen v0.59.0 [INFO] [stderr] Checking wasmer-clif-fork-frontend v0.59.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Function` is imported redundantly [INFO] [stdout] --> src/switch.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 306 | use super::*; [INFO] [stdout] | -------- the item `Function` is already imported here [INFO] [stdout] ... [INFO] [stdout] 309 | use cranelift_codegen::ir::Function; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_empty` is never used [INFO] [stdout] --> src/frontend.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 77 | impl FunctionBuilderContext { [INFO] [stdout] | --------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 94 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_empty` is never used [INFO] [stdout] --> src/ssa.rs:191:12 [INFO] [stdout] | [INFO] [stdout] 166 | impl SSABuilder { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 191 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_empty` is never used [INFO] [stdout] --> src/frontend.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 77 | impl FunctionBuilderContext { [INFO] [stdout] | --------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 94 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_empty` is never used [INFO] [stdout] --> src/ssa.rs:191:12 [INFO] [stdout] | [INFO] [stdout] 166 | impl SSABuilder { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 191 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ssa.rs:1148:24 [INFO] [stdout] | [INFO] [stdout] 1148 | panic!(_errors); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 1148 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1148 | std::panic::panic_any(_errors); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ssa.rs:1327:24 [INFO] [stdout] | [INFO] [stdout] 1327 | panic!(_errors); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 1327 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1327 | std::panic::panic_any(_errors); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ssa.rs:1378:24 [INFO] [stdout] | [INFO] [stdout] 1378 | panic!(_errors); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 1378 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1378 | std::panic::panic_any(_errors); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.26s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.59.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "8323a326e32b524d2fd6b755cb21938eec004deddd5c128b75376b6825d200e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8323a326e32b524d2fd6b755cb21938eec004deddd5c128b75376b6825d200e6", kill_on_drop: false }` [INFO] [stdout] 8323a326e32b524d2fd6b755cb21938eec004deddd5c128b75376b6825d200e6 [INFO] checking wasmer-clif-fork-frontend-0.59.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate wasmer-clif-fork-frontend 0.59.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate wasmer-clif-fork-frontend 0.59.0 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 wasmer-clif-fork-frontend 0.59.0 [INFO] finished tweaking crates.io crate wasmer-clif-fork-frontend 0.59.0 [INFO] tweaked toml for crates.io crate wasmer-clif-fork-frontend 0.59.0 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c991214a8c80b7160fa5420fe0e15cd46b244febcd0953b665722e452de86782 [INFO] running `Command { std: "docker" "start" "-a" "c991214a8c80b7160fa5420fe0e15cd46b244febcd0953b665722e452de86782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c991214a8c80b7160fa5420fe0e15cd46b244febcd0953b665722e452de86782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c991214a8c80b7160fa5420fe0e15cd46b244febcd0953b665722e452de86782", kill_on_drop: false }` [INFO] [stdout] c991214a8c80b7160fa5420fe0e15cd46b244febcd0953b665722e452de86782 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0f3f56a245301e9496ffad4eece26b9b71ef50b73ad9b0aa5b90a34ccec0f812 [INFO] running `Command { std: "docker" "start" "-a" "0f3f56a245301e9496ffad4eece26b9b71ef50b73ad9b0aa5b90a34ccec0f812", kill_on_drop: false }` [INFO] [stderr] Compiling cranelift-entity v0.59.0 [INFO] [stderr] Compiling cranelift-codegen-shared v0.59.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking cranelift-bforest v0.59.0 [INFO] [stderr] Compiling cranelift-codegen-meta v0.59.0 [INFO] [stderr] Compiling cranelift-codegen v0.59.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cranelift-codegen-0.59.0/src/simple_preopt.rs:801:9 [INFO] [stdout] | [INFO] [stdout] 801 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [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 `cranelift-codegen` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "0f3f56a245301e9496ffad4eece26b9b71ef50b73ad9b0aa5b90a34ccec0f812", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f3f56a245301e9496ffad4eece26b9b71ef50b73ad9b0aa5b90a34ccec0f812", kill_on_drop: false }` [INFO] [stdout] 0f3f56a245301e9496ffad4eece26b9b71ef50b73ad9b0aa5b90a34ccec0f812