[INFO] fetching crate lambda_runtime_errors_derive 0.1.1...
[INFO] checking lambda_runtime_errors_derive-0.1.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate lambda_runtime_errors_derive 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lambda_runtime_errors_derive 0.1.1 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 551066b1131d1f56952b5f8bdc52e6bc1ada3bbb0ff0de161c36e617f80e76ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "551066b1131d1f56952b5f8bdc52e6bc1ada3bbb0ff0de161c36e617f80e76ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "551066b1131d1f56952b5f8bdc52e6bc1ada3bbb0ff0de161c36e617f80e76ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551066b1131d1f56952b5f8bdc52e6bc1ada3bbb0ff0de161c36e617f80e76ab", kill_on_drop: false }`
[INFO] [stdout] 551066b1131d1f56952b5f8bdc52e6bc1ada3bbb0ff0de161c36e617f80e76ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 354b260dcdf15d44eaa9f89749a931d70e6e9c44b261a229cdf9627384f65793
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "354b260dcdf15d44eaa9f89749a931d70e6e9c44b261a229cdf9627384f65793", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling 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 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[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 23.21s
[INFO] running `Command { std: "docker" "inspect" "354b260dcdf15d44eaa9f89749a931d70e6e9c44b261a229cdf9627384f65793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354b260dcdf15d44eaa9f89749a931d70e6e9c44b261a229cdf9627384f65793", kill_on_drop: false }`
[INFO] [stdout] 354b260dcdf15d44eaa9f89749a931d70e6e9c44b261a229cdf9627384f65793