[INFO] fetching crate extension-trait 0.2.1...
[INFO] testing extension-trait-0.2.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate extension-trait 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate extension-trait 0.2.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extension-trait 0.2.1
[INFO] finished tweaking crates.io crate extension-trait 0.2.1
[INFO] tweaked toml for crates.io crate extension-trait 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93dbf5a5cbd74b8e23b0fe3d096699e9b1587ec5d338102a963387a53735549d
[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" "93dbf5a5cbd74b8e23b0fe3d096699e9b1587ec5d338102a963387a53735549d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93dbf5a5cbd74b8e23b0fe3d096699e9b1587ec5d338102a963387a53735549d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93dbf5a5cbd74b8e23b0fe3d096699e9b1587ec5d338102a963387a53735549d", kill_on_drop: false }`
[INFO] [stdout] 93dbf5a5cbd74b8e23b0fe3d096699e9b1587ec5d338102a963387a53735549d
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b14ff4344fe13e9dd4a8f6c0c783cca9d56066718c3136668e4cb6da7234056
[INFO] running `Command { std: "docker" "start" "-a" "4b14ff4344fe13e9dd4a8f6c0c783cca9d56066718c3136668e4cb6da7234056", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling extension-trait v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         (quote! {
[INFO] [stdout] 78 | |             #(#attrs)*
[INFO] [stdout] 79 | |             #visibility #unsafety trait #path {
[INFO] [stdout] 80 | |                 #(#items)*
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |         }
[INFO] [stdout] 84 | |         .into())
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 |         quote! {
[INFO] [stdout] 78 |             #(#attrs)*
[INFO] [stdout] 79 |             #visibility #unsafety trait #path {
[INFO] [stdout] 80 |                 #(#items)*
[INFO] [stdout] 81 |             }
[INFO] [stdout] 82 |             #input
[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 11.18s
[INFO] running `Command { std: "docker" "inspect" "4b14ff4344fe13e9dd4a8f6c0c783cca9d56066718c3136668e4cb6da7234056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b14ff4344fe13e9dd4a8f6c0c783cca9d56066718c3136668e4cb6da7234056", kill_on_drop: false }`
[INFO] [stdout] 4b14ff4344fe13e9dd4a8f6c0c783cca9d56066718c3136668e4cb6da7234056
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aea3eed7b0aa15bc386b2273a905f63ab4fabda5b078bca728ab804e17e0ffaa
[INFO] running `Command { std: "docker" "start" "-a" "aea3eed7b0aa15bc386b2273a905f63ab4fabda5b078bca728ab804e17e0ffaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling extension-trait v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         (quote! {
[INFO] [stdout] 78 | |             #(#attrs)*
[INFO] [stdout] 79 | |             #visibility #unsafety trait #path {
[INFO] [stdout] 80 | |                 #(#items)*
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |         }
[INFO] [stdout] 84 | |         .into())
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 |         quote! {
[INFO] [stdout] 78 |             #(#attrs)*
[INFO] [stdout] 79 |             #visibility #unsafety trait #path {
[INFO] [stdout] 80 |                 #(#items)*
[INFO] [stdout] 81 |             }
[INFO] [stdout] 82 |             #input
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         (quote! {
[INFO] [stdout] 78 | |             #(#attrs)*
[INFO] [stdout] 79 | |             #visibility #unsafety trait #path {
[INFO] [stdout] 80 | |                 #(#items)*
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |         }
[INFO] [stdout] 84 | |         .into())
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 |         quote! {
[INFO] [stdout] 78 |             #(#attrs)*
[INFO] [stdout] 79 |             #visibility #unsafety trait #path {
[INFO] [stdout] 80 |                 #(#items)*
[INFO] [stdout] 81 |             }
[INFO] [stdout] 82 |             #input
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "aea3eed7b0aa15bc386b2273a905f63ab4fabda5b078bca728ab804e17e0ffaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea3eed7b0aa15bc386b2273a905f63ab4fabda5b078bca728ab804e17e0ffaa", kill_on_drop: false }`
[INFO] [stdout] aea3eed7b0aa15bc386b2273a905f63ab4fabda5b078bca728ab804e17e0ffaa
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea17a1c6b26f8ac140686b0e6aea2ff4eaa69201a647a5515cf190085ded9afe
[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" "ea17a1c6b26f8ac140686b0e6aea2ff4eaa69201a647a5515cf190085ded9afe", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/lib.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         (quote! {
[INFO] [stderr] 78 | |             #(#attrs)*
[INFO] [stderr] 79 | |             #visibility #unsafety trait #path {
[INFO] [stderr] 80 | |                 #(#items)*
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | |         }
[INFO] [stderr] 84 | |         .into())
[INFO] [stderr]    | |________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 |         quote! {
[INFO] [stderr] 78 |             #(#attrs)*
[INFO] [stderr] 79 |             #visibility #unsafety trait #path {
[INFO] [stderr] 80 |                 #(#items)*
[INFO] [stderr] 81 |             }
[INFO] [stderr] 82 |             #input
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/lib.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         (quote! {
[INFO] [stderr] 78 | |             #(#attrs)*
[INFO] [stderr] 79 | |             #visibility #unsafety trait #path {
[INFO] [stderr] 80 | |                 #(#items)*
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | |         }
[INFO] [stderr] 84 | |         .into())
[INFO] [stderr]    | |________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 |         quote! {
[INFO] [stderr] 78 |             #(#attrs)*
[INFO] [stderr] 79 |             #visibility #unsafety trait #path {
[INFO] [stderr] 80 |                 #(#items)*
[INFO] [stderr] 81 |             }
[INFO] [stderr] 82 |             #input
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/extension_trait-3fa9c23fc506f4b1
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic-c047a6b46f8ab7c3
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test after_works ... ok
[INFO] [stdout] test between_works ... ok
[INFO] [stdout] test documented ... ok
[INFO] [stdout] test double_bracket_conversion ... ok
[INFO] [stdout] test generic_extension_traits ... ok
[INFO] [stdout] test double_bracket_conversion_using_where ... ok
[INFO] [stdout] test pub_extension_trait ... ok
[INFO] [stdout] test slice_map_ext ... ok
[INFO] [stdout] test unsafe_method ... ok
[INFO] [stdout] test before_works ... ok
[INFO] [stdout] test generic_function_extension_traits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests extension-trait
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         (quote! {
[INFO] [stderr] 78 | |             #(#attrs)*
[INFO] [stderr] 79 | |             #visibility #unsafety trait #path {
[INFO] [stderr] 80 | |                 #(#items)*
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | |         }
[INFO] [stderr] 84 | |         .into())
[INFO] [stderr]    | |________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 |         quote! {
[INFO] [stderr] 78 |             #(#attrs)*
[INFO] [stderr] 79 |             #visibility #unsafety trait #path {
[INFO] [stderr] 80 |                 #(#items)*
[INFO] [stderr] 81 |             }
[INFO] [stderr] 82 |             #input
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - extension_trait (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea17a1c6b26f8ac140686b0e6aea2ff4eaa69201a647a5515cf190085ded9afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea17a1c6b26f8ac140686b0e6aea2ff4eaa69201a647a5515cf190085ded9afe", kill_on_drop: false }`
[INFO] [stdout] ea17a1c6b26f8ac140686b0e6aea2ff4eaa69201a647a5515cf190085ded9afe