[INFO] fetching crate flagsmith-flag-engine 0.3.0... [INFO] checking flagsmith-flag-engine-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate flagsmith-flag-engine 0.3.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate flagsmith-flag-engine 0.3.0 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 flagsmith-flag-engine 0.3.0 [INFO] finished tweaking crates.io crate flagsmith-flag-engine 0.3.0 [INFO] tweaked toml for crates.io crate flagsmith-flag-engine 0.3.0 written to /workspace/builds/worker-5-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 60 packages [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding rstest v0.12.0 (latest: v0.18.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.8.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [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 rstest v0.12.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 02bc0e01ae77de383b758105a35696d4e4434c8b1661bdfd53a9bd30833fa17e [INFO] running `Command { std: "docker" "start" "-a" "02bc0e01ae77de383b758105a35696d4e4434c8b1661bdfd53a9bd30833fa17e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "02bc0e01ae77de383b758105a35696d4e4434c8b1661bdfd53a9bd30833fa17e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02bc0e01ae77de383b758105a35696d4e4434c8b1661bdfd53a9bd30833fa17e", kill_on_drop: false }` [INFO] [stdout] 02bc0e01ae77de383b758105a35696d4e4434c8b1661bdfd53a9bd30833fa17e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8b4b01ae301b263380895b2ca02b58fd16ca7e6d0c12a326fbb91ff5fe19abc1 [INFO] running `Command { std: "docker" "start" "-a" "8b4b01ae301b263380895b2ca02b58fd16ca7e6d0c12a326fbb91ff5fe19abc1", kill_on_drop: false }` [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking md-5 v0.10.6 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling rstest v0.12.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking flagsmith-flag-engine v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `num_bigint` is imported redundantly [INFO] [stdout] --> src/utils/hashing.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use num_bigint; [INFO] [stdout] | ^^^^^^^^^^ the item `num_bigint` 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 `serde` is imported redundantly [INFO] [stdout] --> src/utils/datetime.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | use serde::{self, Deserialize, Deserializer, Serializer}; [INFO] [stdout] | ^^^^ the item `serde` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_bigint` is imported redundantly [INFO] [stdout] --> src/utils/hashing.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use num_bigint; [INFO] [stdout] | ^^^^^^^^^^ the item `num_bigint` 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 `Utc` is imported redundantly [INFO] [stdout] --> src/utils/datetime.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 36 | use super::*; [INFO] [stdout] | -------- the item `Utc` is already imported here [INFO] [stdout] 37 | use crate::utils; [INFO] [stdout] 38 | use chrono::Utc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.91s [INFO] running `Command { std: "docker" "inspect" "8b4b01ae301b263380895b2ca02b58fd16ca7e6d0c12a326fbb91ff5fe19abc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b4b01ae301b263380895b2ca02b58fd16ca7e6d0c12a326fbb91ff5fe19abc1", kill_on_drop: false }` [INFO] [stdout] 8b4b01ae301b263380895b2ca02b58fd16ca7e6d0c12a326fbb91ff5fe19abc1 [INFO] checking flagsmith-flag-engine-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate flagsmith-flag-engine 0.3.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate flagsmith-flag-engine 0.3.0 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 flagsmith-flag-engine 0.3.0 [INFO] finished tweaking crates.io crate flagsmith-flag-engine 0.3.0 [INFO] tweaked toml for crates.io crate flagsmith-flag-engine 0.3.0 written to /workspace/builds/worker-5-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] Blocking waiting for file lock on package cache [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4895e9a78540804cf9ae0960a49dc281b8aa143d3691942d969d15f40256df54 [INFO] running `Command { std: "docker" "start" "-a" "4895e9a78540804cf9ae0960a49dc281b8aa143d3691942d969d15f40256df54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4895e9a78540804cf9ae0960a49dc281b8aa143d3691942d969d15f40256df54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4895e9a78540804cf9ae0960a49dc281b8aa143d3691942d969d15f40256df54", kill_on_drop: false }` [INFO] [stdout] 4895e9a78540804cf9ae0960a49dc281b8aa143d3691942d969d15f40256df54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a9a0b67baa0236173d95cc6b9b6f2ba28fb4cb922c34bbc6a4ed2b1abe250bfe [INFO] running `Command { std: "docker" "start" "-a" "a9a0b67baa0236173d95cc6b9b6f2ba28fb4cb922c34bbc6a4ed2b1abe250bfe", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking md-5 v0.10.6 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling rstest v0.12.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking uuid v0.8.2 [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] [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" "a9a0b67baa0236173d95cc6b9b6f2ba28fb4cb922c34bbc6a4ed2b1abe250bfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9a0b67baa0236173d95cc6b9b6f2ba28fb4cb922c34bbc6a4ed2b1abe250bfe", kill_on_drop: false }` [INFO] [stdout] a9a0b67baa0236173d95cc6b9b6f2ba28fb4cb922c34bbc6a4ed2b1abe250bfe