[INFO] fetching crate subenum 1.1.2...
[INFO] building subenum-1.1.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate subenum 1.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate subenum 1.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate subenum 1.1.2
[INFO] tweaked toml for crates.io crate subenum 1.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate subenum 1.1.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate subenum 1.1.2 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fe19f90af4f4864eefd6cb6927d74ca0b4d471a86aa4fcf9fd80039dd297229
[INFO] running `Command { std: "docker" "start" "-a" "5fe19f90af4f4864eefd6cb6927d74ca0b4d471a86aa4fcf9fd80039dd297229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fe19f90af4f4864eefd6cb6927d74ca0b4d471a86aa4fcf9fd80039dd297229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe19f90af4f4864eefd6cb6927d74ca0b4d471a86aa4fcf9fd80039dd297229", kill_on_drop: false }`
[INFO] [stdout] 5fe19f90af4f4864eefd6cb6927d74ca0b4d471a86aa4fcf9fd80039dd297229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acb8f717f92b2d473480214f0bc3681070cd5ea2d0cc3fef6d3ddb202c1bba9c
[INFO] running `Command { std: "docker" "start" "-a" "acb8f717f92b2d473480214f0bc3681070cd5ea2d0cc3fef6d3ddb202c1bba9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling subenum v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "acb8f717f92b2d473480214f0bc3681070cd5ea2d0cc3fef6d3ddb202c1bba9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb8f717f92b2d473480214f0bc3681070cd5ea2d0cc3fef6d3ddb202c1bba9c", kill_on_drop: false }`
[INFO] [stdout] acb8f717f92b2d473480214f0bc3681070cd5ea2d0cc3fef6d3ddb202c1bba9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee3085c7da389bb81d5d651cd1f0d26a7345de0c2eb97ec2551815fcaa61945c
[INFO] running `Command { std: "docker" "start" "-a" "ee3085c7da389bb81d5d651cd1f0d26a7345de0c2eb97ec2551815fcaa61945c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling subenum v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stdout] warning: enum `EnumA` is never used
[INFO] [stdout]   --> tests/subenum_specific.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum EnumA<T> {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Foo` is never used
[INFO] [stdout]  --> tests/it.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Foo {
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Pippy` is never used
[INFO] [stdout]   --> tests/it.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum Pippy<'a, T> {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Flippy` is never used
[INFO] [stdout]   --> tests/it.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum Flippy<T, U>
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Boo` is never used
[INFO] [stdout]   --> tests/it.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 63 | enum Boo<'a> {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Whew` is never used
[INFO] [stdout]   --> tests/it.rs:69:6
[INFO] [stdout]    |
[INFO] [stdout] 69 | enum Whew<'a: 'b, 'b, 'c, T, U> {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `Command { std: "docker" "inspect" "ee3085c7da389bb81d5d651cd1f0d26a7345de0c2eb97ec2551815fcaa61945c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3085c7da389bb81d5d651cd1f0d26a7345de0c2eb97ec2551815fcaa61945c", kill_on_drop: false }`
[INFO] [stdout] ee3085c7da389bb81d5d651cd1f0d26a7345de0c2eb97ec2551815fcaa61945c