[INFO] fetching crate alexcrichton-cranelift-frontend 0.53.0... [INFO] checking alexcrichton-cranelift-frontend-0.53.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate alexcrichton-cranelift-frontend 0.53.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate alexcrichton-cranelift-frontend 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-frontend 0.53.0 [INFO] finished tweaking crates.io crate alexcrichton-cranelift-frontend 0.53.0 [INFO] tweaked toml for crates.io crate alexcrichton-cranelift-frontend 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 ahash v0.2.19 (latest: v0.8.11) [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [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 autocfg v0.1.8 [INFO] [stderr] Downloaded alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Downloaded hashbrown v0.6.3 [INFO] [stderr] Downloaded const-random v0.1.18 [INFO] [stderr] Downloaded ahash v0.2.19 [INFO] [stderr] Downloaded const-random-macro v0.1.16 [INFO] [stderr] Downloaded target-lexicon v0.10.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-codegen-shared v0.53.0 [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] eca8ccf198f7c9fa1142645b2a0d2643840f3ce683496e4b44e7d0090603ff32 [INFO] running `Command { std: "docker" "start" "-a" "eca8ccf198f7c9fa1142645b2a0d2643840f3ce683496e4b44e7d0090603ff32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eca8ccf198f7c9fa1142645b2a0d2643840f3ce683496e4b44e7d0090603ff32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eca8ccf198f7c9fa1142645b2a0d2643840f3ce683496e4b44e7d0090603ff32", kill_on_drop: false }` [INFO] [stdout] eca8ccf198f7c9fa1142645b2a0d2643840f3ce683496e4b44e7d0090603ff32 [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] de6aec0337b61d09db93ef45a689460ce56867fff4879981fe15490c81e227d2 [INFO] running `Command { std: "docker" "start" "-a" "de6aec0337b61d09db93ef45a689460ce56867fff4879981fe15490c81e227d2", kill_on_drop: false }` [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 thiserror v1.0.58 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Checking alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen v0.53.0 [INFO] [stderr] Checking alexcrichton-cranelift-frontend v0.53.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Function` is imported redundantly [INFO] [stdout] --> src/switch.rs:294:9 [INFO] [stdout] | [INFO] [stdout] 291 | use super::*; [INFO] [stdout] | -------- the item `Function` is already imported here [INFO] [stdout] ... [INFO] [stdout] 294 | 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: panic message is not a string literal [INFO] [stdout] --> src/ssa.rs:1139:24 [INFO] [stdout] | [INFO] [stdout] 1139 | 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] 1139 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1139 | 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:1318:24 [INFO] [stdout] | [INFO] [stdout] 1318 | 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] 1318 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1318 | 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:1369:24 [INFO] [stdout] | [INFO] [stdout] 1369 | 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] 1369 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1369 | std::panic::panic_any(_errors); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.31s [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" "de6aec0337b61d09db93ef45a689460ce56867fff4879981fe15490c81e227d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de6aec0337b61d09db93ef45a689460ce56867fff4879981fe15490c81e227d2", kill_on_drop: false }` [INFO] [stdout] de6aec0337b61d09db93ef45a689460ce56867fff4879981fe15490c81e227d2 [INFO] checking alexcrichton-cranelift-frontend-0.53.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate alexcrichton-cranelift-frontend 0.53.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate alexcrichton-cranelift-frontend 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-frontend 0.53.0 [INFO] finished tweaking crates.io crate alexcrichton-cranelift-frontend 0.53.0 [INFO] tweaked toml for crates.io crate alexcrichton-cranelift-frontend 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] 5091bb0d7818e760259b7ab8d111f6d37759e6661efb425908b4a665184b1acf [INFO] running `Command { std: "docker" "start" "-a" "5091bb0d7818e760259b7ab8d111f6d37759e6661efb425908b4a665184b1acf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5091bb0d7818e760259b7ab8d111f6d37759e6661efb425908b4a665184b1acf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5091bb0d7818e760259b7ab8d111f6d37759e6661efb425908b4a665184b1acf", kill_on_drop: false }` [INFO] [stdout] 5091bb0d7818e760259b7ab8d111f6d37759e6661efb425908b4a665184b1acf [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] 66671d317c1f0cf56f672964f821b8cfed084616be5cc4f89804bdbec143d473 [INFO] running `Command { std: "docker" "start" "-a" "66671d317c1f0cf56f672964f821b8cfed084616be5cc4f89804bdbec143d473", kill_on_drop: false }` [INFO] [stderr] Compiling alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-shared v0.53.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Checking alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen v0.53.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/alexcrichton-cranelift-codegen-0.53.0/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 `alexcrichton-cranelift-codegen` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "66671d317c1f0cf56f672964f821b8cfed084616be5cc4f89804bdbec143d473", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66671d317c1f0cf56f672964f821b8cfed084616be5cc4f89804bdbec143d473", kill_on_drop: false }` [INFO] [stdout] 66671d317c1f0cf56f672964f821b8cfed084616be5cc4f89804bdbec143d473