[INFO] fetching crate node-workers 0.8.0... [INFO] checking node-workers-0.8.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate node-workers 0.8.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate node-workers 0.8.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml [INFO] started tweaking crates.io crate node-workers 0.8.0 [INFO] finished tweaking crates.io crate node-workers 0.8.0 [INFO] tweaked toml for crates.io crate node-workers 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate node-workers 0.8.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-utils v0.8.8 [INFO] [stderr] Downloaded plotters-svg v0.3.1 [INFO] [stderr] Downloaded benchman v0.2.6 [INFO] [stderr] Downloaded colored v2.0.0 [INFO] [stderr] Downloaded criterion-plot v0.4.4 [INFO] [stderr] Downloaded crossbeam-deque v0.8.1 [INFO] [stderr] Downloaded semver v1.0.7 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.8 [INFO] [stderr] Downloaded crossbeam-channel v0.5.4 [INFO] [stderr] Downloaded rayon v1.5.1 [INFO] [stderr] Downloaded libc v0.2.122 [INFO] [stderr] Downloaded regex v1.5.5 [INFO] [stderr] Downloaded criterion v0.3.5 [INFO] [stderr] Downloaded rayon-core v1.9.1 [INFO] [stderr] Downloaded plotters-backend v0.3.2 [INFO] [stderr] Downloaded half v1.8.2 [INFO] [stderr] Downloaded quote v1.0.17 [INFO] [stderr] Downloaded plotters v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7004a6102185c9a5983379a22374b8de4bef51d6699700fc517bdc6d2b03b514 [INFO] running `Command { std: "docker" "start" "-a" "7004a6102185c9a5983379a22374b8de4bef51d6699700fc517bdc6d2b03b514", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7004a6102185c9a5983379a22374b8de4bef51d6699700fc517bdc6d2b03b514", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7004a6102185c9a5983379a22374b8de4bef51d6699700fc517bdc6d2b03b514", kill_on_drop: false }` [INFO] [stdout] 7004a6102185c9a5983379a22374b8de4bef51d6699700fc517bdc6d2b03b514 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a48199e21676af66ad74792165d351928ad5985682b86ee3c71452314088449 [INFO] running `Command { std: "docker" "start" "-a" "7a48199e21676af66ad74792165d351928ad5985682b86ee3c71452314088449", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling libc v0.2.122 [INFO] [stderr] Compiling semver v1.0.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling anyhow v1.0.56 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking shell-words v1.1.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking benchman v0.2.6 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking node-workers v0.8.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: fields `key` and `propType` are never read [INFO] [stdout] --> examples/simple.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 6 | struct Property { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 7 | pub key: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | #[serde(alias = "type")] [INFO] [stdout] 9 | pub propType: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Property` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `props` are never read [INFO] [stdout] --> examples/simple.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 12 | struct Interface { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 13 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 14 | pub props: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Interface` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `propType` should have a snake case name [INFO] [stdout] --> examples/simple.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | pub propType: String, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `prop_type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.47s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "7a48199e21676af66ad74792165d351928ad5985682b86ee3c71452314088449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a48199e21676af66ad74792165d351928ad5985682b86ee3c71452314088449", kill_on_drop: false }` [INFO] [stdout] 7a48199e21676af66ad74792165d351928ad5985682b86ee3c71452314088449