[INFO] fetching crate graviton 0.6.0... [INFO] checking graviton-0.6.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate graviton 0.6.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate graviton 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 0.6.0 [INFO] finished tweaking crates.io crate graviton 0.6.0 [INFO] tweaked toml for crates.io crate graviton 0.6.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate graviton 0.6.0 already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded graviton_frontend v0.6.0 [INFO] [stderr] Downloaded erased-serde v0.3.10 [INFO] [stderr] Downloaded graviton_ast v0.6.0 [INFO] [stderr] Downloaded inventory-impl v0.1.5 [INFO] [stderr] Downloaded graviton_core v0.6.0 [INFO] [stderr] Downloaded cranelift-frontend v0.56.0 [INFO] [stderr] Downloaded indexmap v1.3.1 [INFO] [stderr] Downloaded cranelift-entity v0.56.0 [INFO] [stderr] Downloaded cranelift v0.56.0 [INFO] [stderr] Downloaded faerie v0.14.0 [INFO] [stderr] Downloaded raw-cpuid v7.0.3 [INFO] [stderr] Downloaded anyhow v1.0.26 [INFO] [stderr] Downloaded rmp v0.8.9 [INFO] [stderr] Downloaded cranelift-faerie v0.56.0 [INFO] [stderr] Downloaded ctor v0.1.12 [INFO] [stderr] Downloaded inventory v0.1.5 [INFO] [stderr] Downloaded cranelift-codegen-shared v0.56.0 [INFO] [stderr] Downloaded smallvec v1.1.0 [INFO] [stderr] Downloaded colored v1.9.2 [INFO] [stderr] Downloaded string-interner v0.7.1 [INFO] [stderr] Downloaded scroll_derive v0.10.1 [INFO] [stderr] Downloaded cranelift-module v0.56.0 [INFO] [stderr] Downloaded cranelift-bforest v0.56.0 [INFO] [stderr] Downloaded thiserror-impl v1.0.9 [INFO] [stderr] Downloaded scroll v0.10.1 [INFO] [stderr] Downloaded thiserror v1.0.9 [INFO] [stderr] Downloaded target-lexicon v0.10.0 [INFO] [stderr] Downloaded ghost v0.1.1 [INFO] [stderr] Downloaded cranelift-native v0.56.0 [INFO] [stderr] Downloaded graviton_backend v0.6.0 [INFO] [stderr] Downloaded syn v1.0.13 [INFO] [stderr] Downloaded cranelift-codegen v0.56.0 [INFO] [stderr] Downloaded goblin v0.1.3 [INFO] [stderr] Downloaded typetag v0.1.4 [INFO] [stderr] Downloaded typetag-impl v0.1.4 [INFO] [stderr] Downloaded rmp-serde v0.14.0 [INFO] [stderr] Downloaded cranelift-codegen-meta v0.56.0 [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] 0e13295bd11de0635e3ad9297f8aeea9382f1aa135f706afc815aa1fe7dd62e8 [INFO] running `Command { std: "docker" "start" "-a" "0e13295bd11de0635e3ad9297f8aeea9382f1aa135f706afc815aa1fe7dd62e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e13295bd11de0635e3ad9297f8aeea9382f1aa135f706afc815aa1fe7dd62e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e13295bd11de0635e3ad9297f8aeea9382f1aa135f706afc815aa1fe7dd62e8", kill_on_drop: false }` [INFO] [stdout] 0e13295bd11de0635e3ad9297f8aeea9382f1aa135f706afc815aa1fe7dd62e8 [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] c162ad357aa116e9c4d61b5671cd023d028020f42ce7dc296674da58324ce0cf [INFO] running `Command { std: "docker" "start" "-a" "c162ad357aa116e9c4d61b5671cd023d028020f42ce7dc296674da58324ce0cf", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling cranelift-codegen-shared v0.56.0 [INFO] [stderr] Compiling cranelift-entity v0.56.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Compiling indexmap v1.3.1 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling cranelift-codegen-meta v0.56.0 [INFO] [stderr] Checking downcast-rs v1.1.1 [INFO] [stderr] Checking cranelift-bforest v0.56.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling raw-cpuid v7.0.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking colored v1.9.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling thiserror-impl v1.0.9 [INFO] [stderr] Compiling scroll_derive v0.10.1 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling ctor v0.1.12 [INFO] [stderr] Compiling inventory-impl v0.1.5 [INFO] [stderr] Compiling typetag-impl v0.1.4 [INFO] [stderr] Checking scroll v0.10.1 [INFO] [stderr] Checking inventory v0.1.5 [INFO] [stderr] Compiling cranelift-codegen v0.56.0 [INFO] [stderr] Checking goblin v0.1.3 [INFO] [stderr] Checking thiserror v1.0.9 [INFO] [stderr] Checking string-interner v0.7.1 [INFO] [stderr] Checking graviton_core v0.6.0 [INFO] [stderr] Checking erased-serde v0.3.10 [INFO] [stderr] Checking rmp-serde v0.14.0 [INFO] [stderr] Checking graviton_ast v0.6.0 [INFO] [stderr] Checking faerie v0.14.0 [INFO] [stderr] Checking typetag v0.1.4 [INFO] [stderr] Checking cranelift-frontend v0.56.0 [INFO] [stderr] Checking cranelift-module 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_frontend v0.6.0 [INFO] [stderr] Checking graviton_backend v0.6.0 [INFO] [stderr] Checking graviton v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/repl.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Write` is already imported here [INFO] [stdout] 2 | use std::io::{BufRead, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/repl.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Write` is already imported here [INFO] [stdout] 2 | use std::io::{BufRead, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.13s [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 2` [INFO] running `Command { std: "docker" "inspect" "c162ad357aa116e9c4d61b5671cd023d028020f42ce7dc296674da58324ce0cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c162ad357aa116e9c4d61b5671cd023d028020f42ce7dc296674da58324ce0cf", kill_on_drop: false }` [INFO] [stdout] c162ad357aa116e9c4d61b5671cd023d028020f42ce7dc296674da58324ce0cf [INFO] checking graviton-0.6.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate graviton 0.6.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate graviton 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 0.6.0 [INFO] finished tweaking crates.io crate graviton 0.6.0 [INFO] tweaked toml for crates.io crate graviton 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate graviton 0.6.0 already has a lockfile, it will not be regenerated [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] 0e8054d37ffe8833e4a238a4a2eab5002f5a973895164e2910f10488cab37168 [INFO] running `Command { std: "docker" "start" "-a" "0e8054d37ffe8833e4a238a4a2eab5002f5a973895164e2910f10488cab37168", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e8054d37ffe8833e4a238a4a2eab5002f5a973895164e2910f10488cab37168", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e8054d37ffe8833e4a238a4a2eab5002f5a973895164e2910f10488cab37168", kill_on_drop: false }` [INFO] [stdout] 0e8054d37ffe8833e4a238a4a2eab5002f5a973895164e2910f10488cab37168 [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] 513c151f3736f0e9b428539bca59cb60178007329bb9b1cf1262f0ac049023a1 [INFO] running `Command { std: "docker" "start" "-a" "513c151f3736f0e9b428539bca59cb60178007329bb9b1cf1262f0ac049023a1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling cranelift-entity v0.56.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling cranelift-codegen-shared v0.56.0 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Compiling indexmap v1.3.1 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking downcast-rs v1.1.1 [INFO] [stderr] Compiling cranelift-codegen-meta v0.56.0 [INFO] [stderr] Checking cranelift-bforest v0.56.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling raw-cpuid v7.0.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking colored v1.9.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling thiserror-impl v1.0.9 [INFO] [stderr] Compiling scroll_derive v0.10.1 [INFO] [stderr] Compiling ctor v0.1.12 [INFO] [stderr] Compiling inventory-impl v0.1.5 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling typetag-impl v0.1.4 [INFO] [stderr] Compiling cranelift-codegen v0.56.0 [INFO] [stderr] Checking scroll v0.10.1 [INFO] [stderr] Checking inventory v0.1.5 [INFO] [stderr] Checking thiserror v1.0.9 [INFO] [stderr] Checking goblin v0.1.3 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cranelift-codegen-0.56.0/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] [stderr] Checking string-interner v0.7.1 [INFO] [stderr] Checking graviton_core v0.6.0 [INFO] [stderr] Checking erased-serde v0.3.10 [INFO] [stderr] Checking rmp-serde v0.14.0 [INFO] [stderr] Checking graviton_ast v0.6.0 [INFO] [stderr] Checking faerie v0.14.0 [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] [stderr] warning: build failed, waiting for other jobs to finish... [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] running `Command { std: "docker" "inspect" "513c151f3736f0e9b428539bca59cb60178007329bb9b1cf1262f0ac049023a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "513c151f3736f0e9b428539bca59cb60178007329bb9b1cf1262f0ac049023a1", kill_on_drop: false }` [INFO] [stdout] 513c151f3736f0e9b428539bca59cb60178007329bb9b1cf1262f0ac049023a1