[INFO] fetching crate lambda_runtime_errors_derive 0.1.1...
[INFO] testing lambda_runtime_errors_derive-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate lambda_runtime_errors_derive 0.1.1 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate lambda_runtime_errors_derive 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lambda_runtime_errors_derive 0.1.1
[INFO] finished tweaking crates.io crate lambda_runtime_errors_derive 0.1.1
[INFO] tweaked toml for crates.io crate lambda_runtime_errors_derive 0.1.1 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 lambda_runtime_errors_derive v0.1.1
[INFO] [stderr]   Downloaded lambda_runtime_errors v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c9db7061195d9fb77f77d2099bfc1ce5f1b243dd7f1ee1764561cdcfe9a4990
[INFO] running `Command { std: "docker" "start" "-a" "5c9db7061195d9fb77f77d2099bfc1ce5f1b243dd7f1ee1764561cdcfe9a4990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c9db7061195d9fb77f77d2099bfc1ce5f1b243dd7f1ee1764561cdcfe9a4990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c9db7061195d9fb77f77d2099bfc1ce5f1b243dd7f1ee1764561cdcfe9a4990", kill_on_drop: false }`
[INFO] [stdout] 5c9db7061195d9fb77f77d2099bfc1ce5f1b243dd7f1ee1764561cdcfe9a4990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d8eba4ade6d4c283fabe2859f491bcd50e211c5de887ec4583cee751850685c
[INFO] running `Command { std: "docker" "start" "-a" "1d8eba4ade6d4c283fabe2859f491bcd50e211c5de887ec4583cee751850685c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling lambda_runtime_errors_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     (quote! {
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |         #err_impl
[INFO] [stdout] 22 |     })
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 ~     quote! {
[INFO] [stdout] 21 |         #err_impl
[INFO] [stdout] 22 ~     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.06s
[INFO] running `Command { std: "docker" "inspect" "1d8eba4ade6d4c283fabe2859f491bcd50e211c5de887ec4583cee751850685c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8eba4ade6d4c283fabe2859f491bcd50e211c5de887ec4583cee751850685c", kill_on_drop: false }`
[INFO] [stdout] 1d8eba4ade6d4c283fabe2859f491bcd50e211c5de887ec4583cee751850685c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d3e55094aaf21642e8a48bfbcf153e85935b8bf862ddd2c8e24b269e825fe25
[INFO] running `Command { std: "docker" "start" "-a" "0d3e55094aaf21642e8a48bfbcf153e85935b8bf862ddd2c8e24b269e825fe25", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling lambda_runtime_errors_derive v0.1.1
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     (quote! {
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |         #err_impl
[INFO] [stdout] 22 |     })
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 ~     quote! {
[INFO] [stdout] 21 |         #err_impl
[INFO] [stdout] 22 ~     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lambda_runtime_errors v0.1.1
[INFO] [stderr]    Compiling lambda_runtime_errors_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     (quote! {
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |         #err_impl
[INFO] [stdout] 22 |     })
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 ~     quote! {
[INFO] [stdout] 21 |         #err_impl
[INFO] [stdout] 22 ~     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/tests.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 -     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout] 26 +     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> tests/tests.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let err = FailureCustomWithKind::from(FailureErrorKind::FirstVariant);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SecondVariant`
[INFO] [stdout]   --> tests/tests.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     SecondVariant(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `FailureErrorKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> tests/tests.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Clone, Eq, PartialEq, Debug, Fail, LambdaErrorExt)]
[INFO] [stdout]    |          ^^^^^                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kind`
[INFO] [stdout]   --> tests/tests.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn kind(&self) -> FailureErrorKind {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.66s
[INFO] running `Command { std: "docker" "inspect" "0d3e55094aaf21642e8a48bfbcf153e85935b8bf862ddd2c8e24b269e825fe25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3e55094aaf21642e8a48bfbcf153e85935b8bf862ddd2c8e24b269e825fe25", kill_on_drop: false }`
[INFO] [stdout] 0d3e55094aaf21642e8a48bfbcf153e85935b8bf862ddd2c8e24b269e825fe25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce65a02d794137a412bd8a74d84060b29c39ff335c25fd148040a4d623fbe043
[INFO] running `Command { std: "docker" "start" "-a" "ce65a02d794137a412bd8a74d84060b29c39ff335c25fd148040a4d623fbe043", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     (quote! {
[INFO] [stderr]    |     ^
[INFO] [stderr] 21 |         #err_impl
[INFO] [stderr] 22 |     })
[INFO] [stderr]    |      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 20 ~     quote! {
[INFO] [stderr] 21 |         #err_impl
[INFO] [stderr] 22 ~     }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `lambda_runtime_errors_derive` (lib) generated 1 warning
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/tests.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 26 -     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr] 26 +     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> tests/tests.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let err = FailureCustomWithKind::from(FailureErrorKind::FirstVariant);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SecondVariant`
[INFO] [stderr]   --> tests/tests.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     SecondVariant(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `FailureErrorKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> tests/tests.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Clone, Eq, PartialEq, Debug, Fail, LambdaErrorExt)]
[INFO] [stderr]    |          ^^^^^                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `kind`
[INFO] [stderr]   --> tests/tests.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn kind(&self) -> FailureErrorKind {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lambda_runtime_errors_derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `lambda_runtime_errors_derive` (test "tests") generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lambda_runtime_errors_derive-a1ea0a19ea81a52e)
[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] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-4e704521ad887366)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test fail_custom_error ... ok
[INFO] [stdout] test fail_variant_first ... ok
[INFO] [stdout] test simple_error_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lambda_runtime_errors_derive
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:20:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 20 |     (quote! {
[INFO] [stdout] 
[INFO] [stderr]    |     ^
[INFO] [stderr] 21 |         #err_impl
[INFO] [stderr] 22 |     })
[INFO] [stderr]    |      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 20 ~     quote! {
[INFO] [stderr] 21 |         #err_impl
[INFO] [stderr] 22 ~     }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "ce65a02d794137a412bd8a74d84060b29c39ff335c25fd148040a4d623fbe043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce65a02d794137a412bd8a74d84060b29c39ff335c25fd148040a4d623fbe043", kill_on_drop: false }`
[INFO] [stdout] ce65a02d794137a412bd8a74d84060b29c39ff335c25fd148040a4d623fbe043