[INFO] crate extension-trait 0.2.1 is already in cache
[INFO] testing extension-trait-0.2.1 against beta-2020-07-24 for beta-1.46-1
[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 beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] f6c2f886d57bed9179dfa967f6088ef1946c6ce0b98fb16bd53fad0709709d0f
[INFO] running `Command { std: "docker" "start" "-a" "f6c2f886d57bed9179dfa967f6088ef1946c6ce0b98fb16bd53fad0709709d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c2f886d57bed9179dfa967f6088ef1946c6ce0b98fb16bd53fad0709709d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c2f886d57bed9179dfa967f6088ef1946c6ce0b98fb16bd53fad0709709d0f", kill_on_drop: false }`
[INFO] [stdout] f6c2f886d57bed9179dfa967f6088ef1946c6ce0b98fb16bd53fad0709709d0f
[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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 56a1fd2864df3370fa951d4a4e78efdca34eb0f9d3298e6b3689d2cbfb6e3ac3
[INFO] running `Command { std: "docker" "start" "-a" "56a1fd2864df3370fa951d4a4e78efdca34eb0f9d3298e6b3689d2cbfb6e3ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling quote v1.0.7
[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 13.87s
[INFO] running `Command { std: "docker" "inspect" "56a1fd2864df3370fa951d4a4e78efdca34eb0f9d3298e6b3689d2cbfb6e3ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a1fd2864df3370fa951d4a4e78efdca34eb0f9d3298e6b3689d2cbfb6e3ac3", kill_on_drop: false }`
[INFO] [stdout] 56a1fd2864df3370fa951d4a4e78efdca34eb0f9d3298e6b3689d2cbfb6e3ac3
[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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 528b498d9c2122de6f6d7e1bcbd8bf24ed2c6203e7bba4364cf14e52221fd2bb
[INFO] running `Command { std: "docker" "start" "-a" "528b498d9c2122de6f6d7e1bcbd8bf24ed2c6203e7bba4364cf14e52221fd2bb", 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 1.14s
[INFO] running `Command { std: "docker" "inspect" "528b498d9c2122de6f6d7e1bcbd8bf24ed2c6203e7bba4364cf14e52221fd2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528b498d9c2122de6f6d7e1bcbd8bf24ed2c6203e7bba4364cf14e52221fd2bb", kill_on_drop: false }`
[INFO] [stdout] 528b498d9c2122de6f6d7e1bcbd8bf24ed2c6203e7bba4364cf14e52221fd2bb
[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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] 5646d1df0e976f03b1b08e60828f4dc9a47c78c2922ddfa049394500e8b0fccf
[INFO] running `Command { std: "docker" "start" "-a" "5646d1df0e976f03b1b08e60828f4dc9a47c78c2922ddfa049394500e8b0fccf", 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 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/extension_trait-3ff1160345783e56
[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-951843870628e616
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test generic_extension_traits ... ok
[INFO] [stdout] test after_works ... ok
[INFO] [stdout] test before_works ... ok
[INFO] [stdout] test between_works ... ok
[INFO] [stdout] test pub_extension_trait ... ok
[INFO] [stdout] test double_bracket_conversion ... ok
[INFO] [stdout] test generic_function_extension_traits ... ok
[INFO] [stdout] test double_bracket_conversion_using_where ... ok
[INFO] [stdout] test slice_map_ext ... ok
[INFO] [stdout] test unsafe_method ... ok
[INFO] [stdout] test documented ... 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] [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" "5646d1df0e976f03b1b08e60828f4dc9a47c78c2922ddfa049394500e8b0fccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5646d1df0e976f03b1b08e60828f4dc9a47c78c2922ddfa049394500e8b0fccf", kill_on_drop: false }`
[INFO] [stdout] 5646d1df0e976f03b1b08e60828f4dc9a47c78c2922ddfa049394500e8b0fccf