[INFO] fetching crate random_variant 0.2.7... [INFO] checking random_variant-0.2.7 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate random_variant 0.2.7 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate random_variant 0.2.7 [INFO] finished tweaking crates.io crate random_variant 0.2.7 [INFO] tweaked toml for crates.io crate random_variant 0.2.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate random_variant 0.2.7 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 48 packages to latest compatible versions [INFO] [stderr] Adding heapless v0.7.17 (available: v0.9.1) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded random_variant_macro v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6903f6abece7e9c58f56159652c32ab99de34c76bd5ac4ce76ede5fac2241f49 [INFO] running `Command { std: "docker" "start" "-a" "6903f6abece7e9c58f56159652c32ab99de34c76bd5ac4ce76ede5fac2241f49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6903f6abece7e9c58f56159652c32ab99de34c76bd5ac4ce76ede5fac2241f49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6903f6abece7e9c58f56159652c32ab99de34c76bd5ac4ce76ede5fac2241f49", kill_on_drop: false }` [INFO] [stdout] 6903f6abece7e9c58f56159652c32ab99de34c76bd5ac4ce76ede5fac2241f49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84d94bc39a3220002903be72b344592b4619500b5c1e1b67fb7e6ac4d597959a [INFO] running `Command { std: "docker" "start" "-a" "84d94bc39a3220002903be72b344592b4619500b5c1e1b67fb7e6ac4d597959a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling random_variant_macro v0.2.0 [INFO] [stderr] Checking random_variant v0.2.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std_impls::*` [INFO] [stdout] --> src/lib.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use std_impls::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std_impls::*` [INFO] [stdout] --> src/lib.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use std_impls::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Message` is never constructed [INFO] [stdout] --> src/test.rs:43:16 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `SecondTop` is never used [INFO] [stdout] --> src/test.rs:52:14 [INFO] [stdout] | [INFO] [stdout] 52 | pub enum SecondTop { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Top` is never used [INFO] [stdout] --> src/test.rs:59:14 [INFO] [stdout] | [INFO] [stdout] 59 | pub enum Top { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Nested` is never used [INFO] [stdout] --> src/test.rs:65:14 [INFO] [stdout] | [INFO] [stdout] 65 | pub enum Nested { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestUnnamed3` is never constructed [INFO] [stdout] --> src/test.rs:77:16 [INFO] [stdout] | [INFO] [stdout] 77 | pub struct TestUnnamed3(pub u16); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TestUnnamed1` is never used [INFO] [stdout] --> src/test.rs:83:14 [INFO] [stdout] | [INFO] [stdout] 83 | pub enum TestUnnamed1 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestUnnamed2` is never constructed [INFO] [stdout] --> src/test.rs:90:16 [INFO] [stdout] | [INFO] [stdout] 90 | pub struct TestUnnamed2(u16, u32, u64); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Gen1` is never constructed [INFO] [stdout] --> src/test.rs:93:16 [INFO] [stdout] | [INFO] [stdout] 93 | pub struct Gen1(A); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Gen2` is never constructed [INFO] [stdout] --> src/test.rs:96:16 [INFO] [stdout] | [INFO] [stdout] 96 | pub struct Gen2(A, B); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Generic2` is never used [INFO] [stdout] --> src/test.rs:99:14 [INFO] [stdout] | [INFO] [stdout] 99 | pub enum Generic2 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TestNamed1` is never used [INFO] [stdout] --> src/test.rs:105:14 [INFO] [stdout] | [INFO] [stdout] 105 | pub enum TestNamed1 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.69s [INFO] running `Command { std: "docker" "inspect" "84d94bc39a3220002903be72b344592b4619500b5c1e1b67fb7e6ac4d597959a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84d94bc39a3220002903be72b344592b4619500b5c1e1b67fb7e6ac4d597959a", kill_on_drop: false }` [INFO] [stdout] 84d94bc39a3220002903be72b344592b4619500b5c1e1b67fb7e6ac4d597959a