[INFO] cloning repository https://github.com/cdata/safer-ffi-fail-case
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdata/safer-ffi-fail-case" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdata%2Fsafer-ffi-fail-case", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdata%2Fsafer-ffi-fail-case'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07a87938b437deae7417a3c0842b15eae8cd97e9
[INFO] checking cdata/safer-ffi-fail-case against try#de39175d9e0f63ff8967b81f9639ba28d11ae6ef for pr-135331
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdata%2Fsafer-ffi-fail-case" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdata/safer-ffi-fail-case on toolchain de39175d9e0f63ff8967b81f9639ba28d11ae6ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdata/safer-ffi-fail-case
[INFO] finished tweaking git repo https://github.com/cdata/safer-ffi-fail-case
[INFO] tweaked toml for git repo https://github.com/cdata/safer-ffi-fail-case written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cdata/safer-ffi-fail-case 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" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking cdata/safer-ffi-fail-case against try#de39175d9e0f63ff8967b81f9639ba28d11ae6ef for pr-135331
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdata%2Fsafer-ffi-fail-case" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdata/safer-ffi-fail-case on toolchain de39175d9e0f63ff8967b81f9639ba28d11ae6ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdata/safer-ffi-fail-case
[INFO] finished tweaking git repo https://github.com/cdata/safer-ffi-fail-case
[INFO] tweaked toml for git repo https://github.com/cdata/safer-ffi-fail-case written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cdata/safer-ffi-fail-case 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" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safer_ffi-proc_macros v0.1.2
[INFO] [stderr]   Downloaded safer-ffi v0.1.2
[INFO] [stderr]   Downloaded ghost v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5c3499c3f75a35292575357babdacbbaa79224a1da04148a46eed81b45067fa
[INFO] running `Command { std: "docker" "start" "-a" "f5c3499c3f75a35292575357babdacbbaa79224a1da04148a46eed81b45067fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5c3499c3f75a35292575357babdacbbaa79224a1da04148a46eed81b45067fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c3499c3f75a35292575357babdacbbaa79224a1da04148a46eed81b45067fa", kill_on_drop: false }`
[INFO] [stdout] f5c3499c3f75a35292575357babdacbbaa79224a1da04148a46eed81b45067fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a013e86276050442798749759de21fa64fcf4f7effef9dbc981bbd63af720dce
[INFO] running `Command { std: "docker" "start" "-a" "a013e86276050442798749759de21fa64fcf4f7effef9dbc981bbd63af720dce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling safer-ffi v0.1.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking unwind_safe v0.1.0
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling ghost v0.1.13
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling with_builtin_macros-proc_macros v0.0.3
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling safer_ffi-proc_macros v0.1.2
[INFO] [stderr]     Checking ext-trait v1.0.1
[INFO] [stderr]     Checking extension-traits v1.0.1
[INFO] [stderr]     Checking uninit v0.5.1
[INFO] [stderr]     Checking with_builtin_macros v0.0.3
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/_lib.rs:512:5
[INFO] [stdout]     |
[INFO] [stdout] 512 |     cfg_match! {
[INFO] [stdout]     |     ^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a `macro_rules` name and a non-`macro_rules` name from another module
[INFO] [stdout] note: `cfg_match` could refer to the macro defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/utils/macros.rs:10:1
[INFO] [stdout]     |
[INFO] [stdout] 10  | / macro_rules! cfg_match {
[INFO] [stdout] 11  | |     (
[INFO] [stdout] 12  | |         _ => { $($expansion:tt)* } $(,)?
[INFO] [stdout] 13  | |     ) => (
[INFO] [stdout] ...   |
[INFO] [stdout] 33  | |     });
[INFO] [stdout] 34  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] note: `cfg_match` could also refer to the macro imported here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/_lib.rs:514:29
[INFO] [stdout]     |
[INFO] [stdout] 514 |             pub use ::std::{*,
[INFO] [stdout]     |                             ^
[INFO] [stdout]     = help: use `self::cfg_match` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/utils/macros.rs:22:9
[INFO] [stdout]     |
[INFO] [stdout] 22  |           cfg_match! { _ => $expansion } $($(
[INFO] [stdout]     |           ^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/_lib.rs:512:5
[INFO] [stdout]     |
[INFO] [stdout] 512 | /     cfg_match! {
[INFO] [stdout] 513 | |         feature = "std" => {
[INFO] [stdout] 514 | |             pub use ::std::{*,
[INFO] [stdout] 515 | |                 self,
[INFO] [stdout] ...   |
[INFO] [stdout] 536 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a `macro_rules` name and a non-`macro_rules` name from another module
[INFO] [stdout] note: `cfg_match` could refer to the macro defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/utils/macros.rs:10:1
[INFO] [stdout]     |
[INFO] [stdout] 10  | / macro_rules! cfg_match {
[INFO] [stdout] 11  | |     (
[INFO] [stdout] 12  | |         _ => { $($expansion:tt)* } $(,)?
[INFO] [stdout] 13  | |     ) => (
[INFO] [stdout] ...   |
[INFO] [stdout] 33  | |     });
[INFO] [stdout] 34  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] note: `cfg_match` could also refer to the macro imported here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/_lib.rs:514:29
[INFO] [stdout]     |
[INFO] [stdout] 514 |             pub use ::std::{*,
[INFO] [stdout]     |                             ^
[INFO] [stdout]     = help: use `self::cfg_match` to refer to this macro unambiguously
[INFO] [stdout]     = note: this error originates in the macro `cfg_match` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/_lib.rs:555:5
[INFO] [stdout]     |
[INFO] [stdout] 555 |     cfg_match! {
[INFO] [stdout]     |     ^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a `macro_rules` name and a non-`macro_rules` name from another module
[INFO] [stdout] note: `cfg_match` could refer to the macro defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/utils/macros.rs:10:1
[INFO] [stdout]     |
[INFO] [stdout] 10  | / macro_rules! cfg_match {
[INFO] [stdout] 11  | |     (
[INFO] [stdout] 12  | |         _ => { $($expansion:tt)* } $(,)?
[INFO] [stdout] 13  | |     ) => (
[INFO] [stdout] ...   |
[INFO] [stdout] 33  | |     });
[INFO] [stdout] 34  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] note: `cfg_match` could also refer to the macro imported here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/_lib.rs:514:29
[INFO] [stdout]     |
[INFO] [stdout] 514 |             pub use ::std::{*,
[INFO] [stdout]     |                             ^
[INFO] [stdout]     = help: use `self::cfg_match` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/utils/macros.rs:25:9
[INFO] [stdout]     |
[INFO] [stdout] 25  |           cfg_match! { $($rest)+ } )?)?
[INFO] [stdout]     |           ^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/_lib.rs:555:5
[INFO] [stdout]     |
[INFO] [stdout] 555 | /     cfg_match! {
[INFO] [stdout] 556 | |         feature = "log" => {
[INFO] [stdout] 557 | |             #[apply(hidden_export)]
[INFO] [stdout] 558 | |             macro_rules! __error__ {( $($msg:tt)* ) => (
[INFO] [stdout] ...   |
[INFO] [stdout] 573 | |         },
[INFO] [stdout] 574 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a `macro_rules` name and a non-`macro_rules` name from another module
[INFO] [stdout] note: `cfg_match` could refer to the macro defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/utils/macros.rs:10:1
[INFO] [stdout]     |
[INFO] [stdout] 10  | / macro_rules! cfg_match {
[INFO] [stdout] 11  | |     (
[INFO] [stdout] 12  | |         _ => { $($expansion:tt)* } $(,)?
[INFO] [stdout] 13  | |     ) => (
[INFO] [stdout] ...   |
[INFO] [stdout] 33  | |     });
[INFO] [stdout] 34  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] note: `cfg_match` could also refer to the macro imported here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/_lib.rs:514:29
[INFO] [stdout]     |
[INFO] [stdout] 514 |             pub use ::std::{*,
[INFO] [stdout]     |                             ^
[INFO] [stdout]     = help: use `self::cfg_match` to refer to this macro unambiguously
[INFO] [stdout]     = note: this error originates in the macro `cfg_match` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/utils/macros.rs:22:9
[INFO] [stdout]     |
[INFO] [stdout] 22  |           cfg_match! { _ => $expansion } $($(
[INFO] [stdout]     |           ^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/_lib.rs:555:5
[INFO] [stdout]     |
[INFO] [stdout] 555 | /     cfg_match! {
[INFO] [stdout] 556 | |         feature = "log" => {
[INFO] [stdout] 557 | |             #[apply(hidden_export)]
[INFO] [stdout] 558 | |             macro_rules! __error__ {( $($msg:tt)* ) => (
[INFO] [stdout] ...   |
[INFO] [stdout] 573 | |         },
[INFO] [stdout] 574 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a `macro_rules` name and a non-`macro_rules` name from another module
[INFO] [stdout] note: `cfg_match` could refer to the macro defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/utils/macros.rs:10:1
[INFO] [stdout]     |
[INFO] [stdout] 10  | / macro_rules! cfg_match {
[INFO] [stdout] 11  | |     (
[INFO] [stdout] 12  | |         _ => { $($expansion:tt)* } $(,)?
[INFO] [stdout] 13  | |     ) => (
[INFO] [stdout] ...   |
[INFO] [stdout] 33  | |     });
[INFO] [stdout] 34  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] note: `cfg_match` could also refer to the macro imported here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.2/src/_lib.rs:514:29
[INFO] [stdout]     |
[INFO] [stdout] 514 |             pub use ::std::{*,
[INFO] [stdout]     |                             ^
[INFO] [stdout]     = help: use `self::cfg_match` to refer to this macro unambiguously
[INFO] [stdout]     = note: this error originates in the macro `cfg_match` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] warning: safer-ffi@0.1.2: [safer-ffi] `proc-macros` feature is deprecated and will be removed (now built-in)
[INFO] [stderr] error: could not compile `safer-ffi` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "a013e86276050442798749759de21fa64fcf4f7effef9dbc981bbd63af720dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a013e86276050442798749759de21fa64fcf4f7effef9dbc981bbd63af720dce", kill_on_drop: false }`
[INFO] [stdout] a013e86276050442798749759de21fa64fcf4f7effef9dbc981bbd63af720dce