[INFO] fetching crate core_extensions_proc_macros 1.4.0...
[INFO] testing core_extensions_proc_macros-1.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate core_extensions_proc_macros 1.4.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate core_extensions_proc_macros 1.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate core_extensions_proc_macros 1.4.0
[INFO] finished tweaking crates.io crate core_extensions_proc_macros 1.4.0
[INFO] tweaked toml for crates.io crate core_extensions_proc_macros 1.4.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4d91e1a193cf8290ffc35043ffbf561dfbbe452d987dc7e0ba6ebd47150fa30
[INFO] running `Command { std: "docker" "start" "-a" "c4d91e1a193cf8290ffc35043ffbf561dfbbe452d987dc7e0ba6ebd47150fa30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d91e1a193cf8290ffc35043ffbf561dfbbe452d987dc7e0ba6ebd47150fa30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d91e1a193cf8290ffc35043ffbf561dfbbe452d987dc7e0ba6ebd47150fa30", kill_on_drop: false }`
[INFO] [stdout] c4d91e1a193cf8290ffc35043ffbf561dfbbe452d987dc7e0ba6ebd47150fa30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f9d03a083b6e840fc0cb8b658bd409e3443cda1358506e40364fd66a20319a0
[INFO] running `Command { std: "docker" "start" "-a" "7f9d03a083b6e840fc0cb8b658bd409e3443cda1358506e40364fd66a20319a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling core_extensions_proc_macros v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:188:1
[INFO] [stdout]     |
[INFO] [stdout] 188 | / macro_rules! try_ {
[INFO] [stdout] 189 | |     ( $expr:expr )=>{
[INFO] [stdout] 190 | |         match $expr {
[INFO] [stdout] 191 | |             Ok(x) => x,
[INFO] [stdout] ...   |
[INFO] [stdout] 200 | |     };
[INFO] [stdout] 201 | | } use try_;
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `try_`
[INFO] [stdout]    --> src/lib.rs:201:7
[INFO] [stdout]     |
[INFO] [stdout] 201 | } use try_;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "7f9d03a083b6e840fc0cb8b658bd409e3443cda1358506e40364fd66a20319a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9d03a083b6e840fc0cb8b658bd409e3443cda1358506e40364fd66a20319a0", kill_on_drop: false }`
[INFO] [stdout] 7f9d03a083b6e840fc0cb8b658bd409e3443cda1358506e40364fd66a20319a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb8310eec696834455dc2b544b1055b17e8df188fbb54a80e59c803175483061
[INFO] running `Command { std: "docker" "start" "-a" "eb8310eec696834455dc2b544b1055b17e8df188fbb54a80e59c803175483061", kill_on_drop: false }`
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:188:1
[INFO] [stdout]     |
[INFO] [stdout] 188 | / macro_rules! try_ {
[INFO] [stdout] 189 | |     ( $expr:expr )=>{
[INFO] [stdout] 190 | |         match $expr {
[INFO] [stdout] 191 | |             Ok(x) => x,
[INFO] [stdout] ...   |
[INFO] [stdout] 200 | |     };
[INFO] [stdout] 201 | | } use try_;
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `try_`
[INFO] [stdout]    --> src/lib.rs:201:7
[INFO] [stdout]     |
[INFO] [stdout] 201 | } use try_;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling core_extensions_proc_macros v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `String`, `ToString`
[INFO] [stdout]  --> src/tests.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use alloc::string::{String, ToString};
[INFO] [stdout]   |                     ^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:188:1
[INFO] [stdout]     |
[INFO] [stdout] 188 | / macro_rules! try_ {
[INFO] [stdout] 189 | |     ( $expr:expr )=>{
[INFO] [stdout] 190 | |         match $expr {
[INFO] [stdout] 191 | |             Ok(x) => x,
[INFO] [stdout] ...   |
[INFO] [stdout] 200 | |     };
[INFO] [stdout] 201 | | } use try_;
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `try_`
[INFO] [stdout]    --> src/lib.rs:201:7
[INFO] [stdout]     |
[INFO] [stdout] 201 | } use try_;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_try_proc`
[INFO] [stdout]   --> src/test_utils.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) fn test_try_proc(
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `format_res`
[INFO] [stdout]   --> src/test_utils.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn format_res(res: &Result<String, String>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `map_both`
[INFO] [stdout]   --> src/test_utils.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn map_both<T, U, F>(res: Result<T, T>, func: F) -> Result<U, U>
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "eb8310eec696834455dc2b544b1055b17e8df188fbb54a80e59c803175483061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8310eec696834455dc2b544b1055b17e8df188fbb54a80e59c803175483061", kill_on_drop: false }`
[INFO] [stdout] eb8310eec696834455dc2b544b1055b17e8df188fbb54a80e59c803175483061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f92200de29d50ba7eecc8bae4be225f40f8c8e7604f00ab2f56aacf9c5a977de
[INFO] running `Command { std: "docker" "start" "-a" "f92200de29d50ba7eecc8bae4be225f40f8c8e7604f00ab2f56aacf9c5a977de", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/lib.rs:188:1
[INFO] [stderr]     |
[INFO] [stderr] 188 | / macro_rules! try_ {
[INFO] [stderr] 189 | |     ( $expr:expr )=>{
[INFO] [stderr] 190 | |         match $expr {
[INFO] [stderr] 191 | |             Ok(x) => x,
[INFO] [stderr] ...   |
[INFO] [stderr] 200 | |     };
[INFO] [stderr] 201 | | } use try_;
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `try_`
[INFO] [stderr]    --> src/lib.rs:201:7
[INFO] [stderr]     |
[INFO] [stderr] 201 | } use try_;
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `core_extensions_proc_macros` (lib) generated 2 warnings
[INFO] [stderr] warning: unused imports: `String`, `ToString`
[INFO] [stderr]  --> src/tests.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 | use alloc::string::{String, ToString};
[INFO] [stderr]   |                     ^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `try_`
[INFO] [stderr]    --> src/lib.rs:201:7
[INFO] [stderr]     |
[INFO] [stderr] 201 | } use try_;
[INFO] [stderr]     |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_try_proc`
[INFO] [stderr]   --> src/test_utils.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub(crate) fn test_try_proc(
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `format_res`
[INFO] [stderr]   --> src/test_utils.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn format_res(res: &Result<String, String>) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `map_both`
[INFO] [stderr]   --> src/test_utils.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn map_both<T, U, F>(res: Result<T, T>, func: F) -> Result<U, U>
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `core_extensions_proc_macros` (lib test) generated 6 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/core_extensions_proc_macros-151a9373742cee3e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::split_generics_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests core_extensions_proc_macros
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f92200de29d50ba7eecc8bae4be225f40f8c8e7604f00ab2f56aacf9c5a977de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92200de29d50ba7eecc8bae4be225f40f8c8e7604f00ab2f56aacf9c5a977de", kill_on_drop: false }`
[INFO] [stdout] f92200de29d50ba7eecc8bae4be225f40f8c8e7604f00ab2f56aacf9c5a977de