[INFO] fetching crate vicis-core 0.2.1... [INFO] checking vicis-core-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate vicis-core 0.2.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate vicis-core 0.2.1 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 vicis-core 0.2.1 [INFO] finished tweaking crates.io crate vicis-core 0.2.1 [INFO] tweaked toml for crates.io crate vicis-core 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate vicis-core 0.2.1 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] Downloading crates ... [INFO] [stderr] Downloaded similar v2.1.0 [INFO] [stderr] Downloaded nom v6.2.1 [INFO] [stderr] Downloaded insta v1.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4ff8201009f8ea878f999493d9a4c9485a1fcea92473e5032605ea0833e85d94 [INFO] running `Command { std: "docker" "start" "-a" "4ff8201009f8ea878f999493d9a4c9485a1fcea92473e5032605ea0833e85d94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ff8201009f8ea878f999493d9a4c9485a1fcea92473e5032605ea0833e85d94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ff8201009f8ea878f999493d9a4c9485a1fcea92473e5032605ea0833e85d94", kill_on_drop: false }` [INFO] [stdout] 4ff8201009f8ea878f999493d9a4c9485a1fcea92473e5032605ea0833e85d94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8c6b0348ff12d6ab0c98bafc07d85b4b77e7119ee1d742ba22e7772aa5a89e74 [INFO] running `Command { std: "docker" "start" "-a" "8c6b0348ff12d6ab0c98bafc07d85b4b77e7119ee1d742ba22e7772aa5a89e74", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling nom v6.2.1 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking similar v2.1.0 [INFO] [stderr] Checking id-arena v2.2.1 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking bitvec v0.19.6 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking console v0.14.1 [INFO] [stderr] Checking vicis-core v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `nom` is imported redundantly [INFO] [stdout] --> src/ir/module/metadata/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use nom; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate nom; [INFO] [stdout] | ----------------- the item `nom` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nom` is imported redundantly [INFO] [stdout] --> src/ir/module/parser.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use nom; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate nom; [INFO] [stdout] | ----------------- the item `nom` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_yaml v0.8.23 [INFO] [stderr] Checking insta v1.9.0 [INFO] [stdout] warning: the item `nom` is imported redundantly [INFO] [stdout] --> src/ir/module/metadata/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use nom; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate nom; [INFO] [stdout] | ----------------- the item `nom` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nom` is imported redundantly [INFO] [stdout] --> src/ir/module/parser.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use nom; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate nom; [INFO] [stdout] | ----------------- the item `nom` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Function` is imported redundantly [INFO] [stdout] --> src/pass/mod.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 108 | use super::*; [INFO] [stdout] | -------- the item `Function` is already imported here [INFO] [stdout] 109 | use crate::ir::{ [INFO] [stdout] 110 | function::Function, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Module` is imported redundantly [INFO] [stdout] --> src/pass/mod.rs:111:34 [INFO] [stdout] | [INFO] [stdout] 108 | use super::*; [INFO] [stdout] | -------- the item `Module` is already imported here [INFO] [stdout] ... [INFO] [stdout] 111 | module::{parse_assembly, Module}, [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 9.18s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.2.1 [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" "8c6b0348ff12d6ab0c98bafc07d85b4b77e7119ee1d742ba22e7772aa5a89e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c6b0348ff12d6ab0c98bafc07d85b4b77e7119ee1d742ba22e7772aa5a89e74", kill_on_drop: false }` [INFO] [stdout] 8c6b0348ff12d6ab0c98bafc07d85b4b77e7119ee1d742ba22e7772aa5a89e74 [INFO] checking vicis-core-0.2.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate vicis-core 0.2.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate vicis-core 0.2.1 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 vicis-core 0.2.1 [INFO] finished tweaking crates.io crate vicis-core 0.2.1 [INFO] tweaked toml for crates.io crate vicis-core 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate vicis-core 0.2.1 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bfb7adfcefdba2a23eaf7bfd3f07e7c9491842fdbfec178d76b79702e54ae63e [INFO] running `Command { std: "docker" "start" "-a" "bfb7adfcefdba2a23eaf7bfd3f07e7c9491842fdbfec178d76b79702e54ae63e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bfb7adfcefdba2a23eaf7bfd3f07e7c9491842fdbfec178d76b79702e54ae63e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfb7adfcefdba2a23eaf7bfd3f07e7c9491842fdbfec178d76b79702e54ae63e", kill_on_drop: false }` [INFO] [stdout] bfb7adfcefdba2a23eaf7bfd3f07e7c9491842fdbfec178d76b79702e54ae63e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7dbcd87602bf8804086e6cc84d9af1946bf8817cc5ef275e5e2d7ae3f9d48c65 [INFO] running `Command { std: "docker" "start" "-a" "7dbcd87602bf8804086e6cc84d9af1946bf8817cc5ef275e5e2d7ae3f9d48c65", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling nom v6.2.1 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking id-arena v2.2.1 [INFO] [stderr] Checking similar v2.1.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | Err(Error::new(D4_LEN, len))?; [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] 81 | Err::(Error::new(D4_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | Err(Error::new(D4_LEN, len))?; [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] 138 | Err::(Error::new(D4_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:246:13 [INFO] [stdout] | [INFO] [stdout] 246 | Err(Error::new(BYTES_LEN, len))?; [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] 246 | Err::(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:353:13 [INFO] [stdout] | [INFO] [stdout] 353 | Err(Error::new(BYTES_LEN, len))?; [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] 353 | Err::(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/parser/mod.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | Err(Error::InvalidLength { [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] 67 | Err::(Error::InvalidLength { [INFO] [stdout] | +++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `uuid` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7dbcd87602bf8804086e6cc84d9af1946bf8817cc5ef275e5e2d7ae3f9d48c65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dbcd87602bf8804086e6cc84d9af1946bf8817cc5ef275e5e2d7ae3f9d48c65", kill_on_drop: false }` [INFO] [stdout] 7dbcd87602bf8804086e6cc84d9af1946bf8817cc5ef275e5e2d7ae3f9d48c65