[INFO] fetching crate lambda_runtime_errors_derive 0.1.1... [INFO] checking lambda_runtime_errors_derive-0.1.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] extracting crate lambda_runtime_errors_derive 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate lambda_runtime_errors_derive 0.1.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 663b2a1bb7f0713b25e7da954526c845b102d4b8ec96523c8fadd59fdca2111d [INFO] running `Command { std: "docker" "start" "-a" "663b2a1bb7f0713b25e7da954526c845b102d4b8ec96523c8fadd59fdca2111d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "663b2a1bb7f0713b25e7da954526c845b102d4b8ec96523c8fadd59fdca2111d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "663b2a1bb7f0713b25e7da954526c845b102d4b8ec96523c8fadd59fdca2111d", kill_on_drop: false }` [INFO] [stdout] 663b2a1bb7f0713b25e7da954526c845b102d4b8ec96523c8fadd59fdca2111d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c078ea1f771216eb6aef54d9eb16b26c288188986a88a0edef82cbece1644e1 [INFO] running `Command { std: "docker" "start" "-a" "1c078ea1f771216eb6aef54d9eb16b26c288188986a88a0edef82cbece1644e1", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.24.0 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling backtrace v0.3.60 [INFO] [stderr] Checking addr2line v0.15.2 [INFO] [stderr] Checking synstructure v0.10.2 [INFO] [stderr] Checking 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] 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 synstructure v0.12.5 [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] 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] [stderr] Checking serde_json v1.0.64 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking lambda_runtime_errors 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] 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] [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] | ^^^^ help: use `dyn`: `dyn Fail` [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 issue #80165 [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] [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.49s [INFO] running `Command { std: "docker" "inspect" "1c078ea1f771216eb6aef54d9eb16b26c288188986a88a0edef82cbece1644e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c078ea1f771216eb6aef54d9eb16b26c288188986a88a0edef82cbece1644e1", kill_on_drop: false }` [INFO] [stdout] 1c078ea1f771216eb6aef54d9eb16b26c288188986a88a0edef82cbece1644e1