[INFO] cloning repository https://github.com/Aaron1011/derive-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aaron1011/derive-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaron1011%2Fderive-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaron1011%2Fderive-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e61287f1bf042ee0ada3dd51bea2523df5a0e9f6
[INFO] checking Aaron1011/derive-bug against master#a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaron1011%2Fderive-bug" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aaron1011/derive-bug
[INFO] finished tweaking git repo https://github.com/Aaron1011/derive-bug
[INFO] tweaked toml for git repo https://github.com/Aaron1011/derive-bug written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aaron1011/derive-bug on toolchain a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aaron1011/derive-bug 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" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30cae3b5ff47385098d55c7dc09ace7819e336723c332c77676940e15c00e661
[INFO] running `Command { std: "docker" "start" "-a" "30cae3b5ff47385098d55c7dc09ace7819e336723c332c77676940e15c00e661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30cae3b5ff47385098d55c7dc09ace7819e336723c332c77676940e15c00e661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30cae3b5ff47385098d55c7dc09ace7819e336723c332c77676940e15c00e661", kill_on_drop: false }`
[INFO] [stdout] 30cae3b5ff47385098d55c7dc09ace7819e336723c332c77676940e15c00e661
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18a64f004a0fb19e4daf78b46c7a3340cd82a1edcb3483c03473a805bc341a23
[INFO] running `Command { std: "docker" "start" "-a" "18a64f004a0fb19e4daf78b46c7a3340cd82a1edcb3483c03473a805bc341a23", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] Derive input: struct Foo<> { val: String, array: [u8; { 0 }] }
[INFO] [stdout] Derive input: struct Foo<> { val: String, array: [u8; { 0 }] }
[INFO] [stdout] warning: unexpected `cfg` condition name: `FALSE`
[INFO] [stdout]  --> src/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo<#[cfg(FALSE)] T> {
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(FALSE)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(FALSE)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: you may have meant to use `false` (notice the capitalization). Doing so makes this predicate evaluate to `false` unconditionally
[INFO] [stdout]   |
[INFO] [stdout] 2 - struct Foo<#[cfg(FALSE)] T> {
[INFO] [stdout] 2 + struct Foo<#[cfg(false)] T> {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `FALSE`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     #[cfg(FALSE)] field: T,
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(FALSE)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(FALSE)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: you may have meant to use `false` (notice the capitalization). Doing so makes this predicate evaluate to `false` unconditionally
[INFO] [stdout]   |
[INFO] [stdout] 3 -     #[cfg(FALSE)] field: T,
[INFO] [stdout] 3 +     #[cfg(false)] field: T,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `FALSE`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |         #[cfg(FALSE)] struct Bar;
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(FALSE)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(FALSE)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: you may have meant to use `false` (notice the capitalization). Doing so makes this predicate evaluate to `false` unconditionally
[INFO] [stdout]   |
[INFO] [stdout] 6 -         #[cfg(FALSE)] struct Bar;
[INFO] [stdout] 6 +         #[cfg(false)] struct Bar;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `FALSE`
[INFO] [stdout]  --> src/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo<#[cfg(FALSE)] T> {
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(FALSE)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(FALSE)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: you may have meant to use `false` (notice the capitalization). Doing so makes this predicate evaluate to `false` unconditionally
[INFO] [stdout]   |
[INFO] [stdout] 2 - struct Foo<#[cfg(FALSE)] T> {
[INFO] [stdout] 2 + struct Foo<#[cfg(false)] T> {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `FALSE`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     #[cfg(FALSE)] field: T,
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(FALSE)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(FALSE)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: you may have meant to use `false` (notice the capitalization). Doing so makes this predicate evaluate to `false` unconditionally
[INFO] [stdout]   |
[INFO] [stdout] 3 -     #[cfg(FALSE)] field: T,
[INFO] [stdout] 3 +     #[cfg(false)] field: T,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `FALSE`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |         #[cfg(FALSE)] struct Bar;
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(FALSE)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(FALSE)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: you may have meant to use `false` (notice the capitalization). Doing so makes this predicate evaluate to `false` unconditionally
[INFO] [stdout]   |
[INFO] [stdout] 6 -         #[cfg(FALSE)] struct Bar;
[INFO] [stdout] 6 +         #[cfg(false)] struct Bar;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> src/main.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo<#[cfg(FALSE)] 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: struct `Foo` is never constructed
[INFO] [stdout]  --> src/main.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo<#[cfg(FALSE)] T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "18a64f004a0fb19e4daf78b46c7a3340cd82a1edcb3483c03473a805bc341a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a64f004a0fb19e4daf78b46c7a3340cd82a1edcb3483c03473a805bc341a23", kill_on_drop: false }`
[INFO] [stdout] 18a64f004a0fb19e4daf78b46c7a3340cd82a1edcb3483c03473a805bc341a23
