[INFO] cloning repository https://github.com/ThomWright/rusty-cats [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThomWright/rusty-cats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomWright%2Frusty-cats", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomWright%2Frusty-cats'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0cefd3240089bd2e38d61ad00643653795722cfa [INFO] checking ThomWright/rusty-cats/0cefd3240089bd2e38d61ad00643653795722cfa against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomWright%2Frusty-cats" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ThomWright/rusty-cats on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ThomWright/rusty-cats [INFO] finished tweaking git repo https://github.com/ThomWright/rusty-cats [INFO] tweaked toml for git repo https://github.com/ThomWright/rusty-cats written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ThomWright/rusty-cats 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded swc_ecma_ast v0.35.0 [INFO] [stderr] Downloaded swc_macros_common v0.3.1 [INFO] [stderr] Downloaded swc_visit v0.2.2 [INFO] [stderr] Downloaded swc_visit_macros v0.2.1 [INFO] [stderr] Downloaded swc_ecma_dep_graph v0.9.0 [INFO] [stderr] Downloaded swc_ecma_parser_macros v0.4.1 [INFO] [stderr] Downloaded pmutil v0.5.3 [INFO] [stderr] Downloaded swc_ecma_parser v0.43.1 [INFO] [stderr] Downloaded enum_kind v0.2.0 [INFO] [stderr] Downloaded smallvec v1.5.0 [INFO] [stderr] Downloaded getrandom v0.1.15 [INFO] [stderr] Downloaded serde v1.0.117 [INFO] [stderr] Downloaded swc_common v0.10.5 [INFO] [stderr] Downloaded serde_derive v1.0.117 [INFO] [stderr] Downloaded string_cache v0.8.0 [INFO] [stderr] Downloaded owning_ref v0.4.1 [INFO] [stderr] Downloaded swc_ecma_visit v0.21.0 [INFO] [stderr] Downloaded is-macro v0.1.8 [INFO] [stderr] Downloaded syn v1.0.48 [INFO] [stderr] Downloaded string_enum v0.3.0 [INFO] [stderr] Downloaded swc_atoms v0.2.5 [INFO] [stderr] 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"--format-version=1", kill_on_drop: false }` [INFO] [stdout] 15174582142b5658d85f218d4ee829ff7d5c0b62744aebf150a3d4eab7ee88a6 [INFO] running `Command { std: "docker" "start" "-a" "15174582142b5658d85f218d4ee829ff7d5c0b62744aebf150a3d4eab7ee88a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15174582142b5658d85f218d4ee829ff7d5c0b62744aebf150a3d4eab7ee88a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15174582142b5658d85f218d4ee829ff7d5c0b62744aebf150a3d4eab7ee88a6", kill_on_drop: false }` [INFO] [stdout] 15174582142b5658d85f218d4ee829ff7d5c0b62744aebf150a3d4eab7ee88a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6a371f258bd6198a2e046b21395bf0b736208157f669c1055f1ce472453437a [INFO] running `Command { std: "docker" "start" "-a" "a6a371f258bd6198a2e046b21395bf0b736208157f669c1055f1ce472453437a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking smallvec v1.5.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling swc_atoms v0.2.5 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling pmutil v0.5.3 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling swc_macros_common v0.3.1 [INFO] [stderr] Compiling swc_visit_macros v0.2.1 [INFO] [stderr] Compiling from_variant v0.1.2 [INFO] [stderr] Compiling string_enum v0.3.0 [INFO] [stderr] Compiling is-macro v0.1.8 [INFO] [stderr] Compiling enum_kind v0.2.0 [INFO] [stderr] Compiling swc_ecma_parser_macros v0.4.1 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling ast_node v0.7.0 [INFO] [stderr] Checking swc_visit v0.2.2 [INFO] [stderr] Checking string_cache v0.8.0 [INFO] [stderr] Checking swc_common v0.10.5 [INFO] [stderr] Checking swc_ecma_ast v0.35.0 [INFO] [stderr] Checking swc_ecma_visit v0.21.0 [INFO] [stderr] Checking swc_ecma_dep_graph v0.9.0 [INFO] [stderr] Checking swc_ecma_parser v0.43.1 [INFO] [stderr] Checking rusty-cats v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `descriptor` is never read [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct CatsDependencyDescriptor { [INFO] [stdout] | ------------------------ field in this struct [INFO] [stdout] 39 | descriptor: DependencyDescriptor, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CatsDependencyDescriptor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/canonical_path.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | Io(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CanonicalPathError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 92 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | Io(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CatsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | CanonicalPath(CanonicalPathError), [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CatsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | CanonicalPath(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `descriptor` is never read [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct CatsDependencyDescriptor { [INFO] [stdout] | ------------------------ field in this struct [INFO] [stdout] 39 | descriptor: DependencyDescriptor, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CatsDependencyDescriptor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/canonical_path.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | Io(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CanonicalPathError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 92 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | Io(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CatsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | CanonicalPath(CanonicalPathError), [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CatsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | CanonicalPath(()), [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 33.92s [INFO] running `Command { std: "docker" "inspect" "a6a371f258bd6198a2e046b21395bf0b736208157f669c1055f1ce472453437a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6a371f258bd6198a2e046b21395bf0b736208157f669c1055f1ce472453437a", kill_on_drop: false }` [INFO] [stdout] a6a371f258bd6198a2e046b21395bf0b736208157f669c1055f1ce472453437a