[INFO] fetching crate you-can-build-macros 0.0.14...
[INFO] checking you-can-build-macros-0.0.14 against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] extracting crate you-can-build-macros 0.0.14 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate you-can-build-macros 0.0.14
[INFO] finished tweaking crates.io crate you-can-build-macros 0.0.14
[INFO] tweaked toml for crates.io crate you-can-build-macros 0.0.14 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate you-can-build-macros 0.0.14 on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "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" "+32cd9114712a24010b0583624dc52ac302194128" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4770ccc2832d82d0bb055b24fdfdbabe3d27e8be2a4fbb8c43c576f024d69c6
[INFO] running `Command { std: "docker" "start" "-a" "c4770ccc2832d82d0bb055b24fdfdbabe3d27e8be2a4fbb8c43c576f024d69c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4770ccc2832d82d0bb055b24fdfdbabe3d27e8be2a4fbb8c43c576f024d69c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4770ccc2832d82d0bb055b24fdfdbabe3d27e8be2a4fbb8c43c576f024d69c6", kill_on_drop: false }`
[INFO] [stdout] c4770ccc2832d82d0bb055b24fdfdbabe3d27e8be2a4fbb8c43c576f024d69c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ab2a471b534802b197636c7540e9ff156f2f2da37abfbf7b319db1c11a7e0a1
[INFO] running `Command { std: "docker" "start" "-a" "3ab2a471b534802b197636c7540e9ff156f2f2da37abfbf7b319db1c11a7e0a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling you-can-build-macros v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_is_unstable`
[INFO] [stdout]  --> lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(rustc_is_unstable, feature(proc_macro_diagnostic, proc_macro_span))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[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(rustc_is_unstable)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_is_unstable)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_is_unstable`
[INFO] [stdout]   --> lib.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |               #[cfg(not(rustc_is_unstable))] {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | /     if_unstable! {
[INFO] [stdout] 50 | |         then {
[INFO] [stdout] 51 | |             proc_macro::Diagnostic::spanned(
[INFO] [stdout] 52 | |                 vec![Span::call_site().parent().unwrap_or_else(Span::call_site)],
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[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(rustc_is_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_is_unstable)");` 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: this warning originates in the macro `if_unstable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_is_unstable`
[INFO] [stdout]   --> lib.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |               #[cfg(rustc_is_unstable)] {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | /     if_unstable! {
[INFO] [stdout] 50 | |         then {
[INFO] [stdout] 51 | |             proc_macro::Diagnostic::spanned(
[INFO] [stdout] 52 | |                 vec![Span::call_site().parent().unwrap_or_else(Span::call_site)],
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[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(rustc_is_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_is_unstable)");` 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: this warning originates in the macro `if_unstable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_is_unstable`
[INFO] [stdout]   --> lib.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |           if cfg!(rustc_is_unstable) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | /     if_unstable! {
[INFO] [stdout] 50 | |         then {
[INFO] [stdout] 51 | |             proc_macro::Diagnostic::spanned(
[INFO] [stdout] 52 | |                 vec![Span::call_site().parent().unwrap_or_else(Span::call_site)],
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[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(rustc_is_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_is_unstable)");` 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: this warning originates in the macro `if_unstable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_is_unstable`
[INFO] [stdout]   --> lib.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |               #[cfg(rustc_is_unstable)] {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | /     if_unstable! {
[INFO] [stdout] 50 | |         then {
[INFO] [stdout] 51 | |             proc_macro::Diagnostic::spanned(
[INFO] [stdout] 52 | |                 vec![Span::call_site().parent().unwrap_or_else(Span::call_site)],
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[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(rustc_is_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_is_unstable)");` 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: this warning originates in the macro `if_unstable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_is_unstable`
[INFO] [stdout]  --> lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(rustc_is_unstable, feature(proc_macro_diagnostic, proc_macro_span))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[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(rustc_is_unstable)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_is_unstable)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_is_unstable`
[INFO] [stdout]   --> lib.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |               #[cfg(not(rustc_is_unstable))] {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | /     if_unstable! {
[INFO] [stdout] 50 | |         then {
[INFO] [stdout] 51 | |             proc_macro::Diagnostic::spanned(
[INFO] [stdout] 52 | |                 vec![Span::call_site().parent().unwrap_or_else(Span::call_site)],
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[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(rustc_is_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_is_unstable)");` 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: this warning originates in the macro `if_unstable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_is_unstable`
[INFO] [stdout]   --> lib.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |               #[cfg(rustc_is_unstable)] {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | /     if_unstable! {
[INFO] [stdout] 50 | |         then {
[INFO] [stdout] 51 | |             proc_macro::Diagnostic::spanned(
[INFO] [stdout] 52 | |                 vec![Span::call_site().parent().unwrap_or_else(Span::call_site)],
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[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(rustc_is_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_is_unstable)");` 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: this warning originates in the macro `if_unstable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_is_unstable`
[INFO] [stdout]   --> lib.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |           if cfg!(rustc_is_unstable) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | /     if_unstable! {
[INFO] [stdout] 50 | |         then {
[INFO] [stdout] 51 | |             proc_macro::Diagnostic::spanned(
[INFO] [stdout] 52 | |                 vec![Span::call_site().parent().unwrap_or_else(Span::call_site)],
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[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(rustc_is_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_is_unstable)");` 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: this warning originates in the macro `if_unstable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_is_unstable`
[INFO] [stdout]   --> lib.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |               #[cfg(rustc_is_unstable)] {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | /     if_unstable! {
[INFO] [stdout] 50 | |         then {
[INFO] [stdout] 51 | |             proc_macro::Diagnostic::spanned(
[INFO] [stdout] 52 | |                 vec![Span::call_site().parent().unwrap_or_else(Span::call_site)],
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[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(rustc_is_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_is_unstable)");` 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: this warning originates in the macro `if_unstable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "3ab2a471b534802b197636c7540e9ff156f2f2da37abfbf7b319db1c11a7e0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab2a471b534802b197636c7540e9ff156f2f2da37abfbf7b319db1c11a7e0a1", kill_on_drop: false }`
[INFO] [stdout] 3ab2a471b534802b197636c7540e9ff156f2f2da37abfbf7b319db1c11a7e0a1
