[INFO] fetching crate extend 1.1.2...
[INFO] testing extend-1.1.2 against 1.55.0 for beta-1.56-2
[INFO] extracting crate extend 1.1.2 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate extend 1.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extend 1.1.2
[INFO] finished tweaking crates.io crate extend 1.1.2
[INFO] tweaked toml for crates.io crate extend 1.1.2 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3bc2e33aa566b4ae5bbf746de73bb318235a615417029c767cfe0c26b1817c3
[INFO] running `Command { std: "docker" "start" "-a" "b3bc2e33aa566b4ae5bbf746de73bb318235a615417029c767cfe0c26b1817c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3bc2e33aa566b4ae5bbf746de73bb318235a615417029c767cfe0c26b1817c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3bc2e33aa566b4ae5bbf746de73bb318235a615417029c767cfe0c26b1817c3", kill_on_drop: false }`
[INFO] [stdout] b3bc2e33aa566b4ae5bbf746de73bb318235a615417029c767cfe0c26b1817c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0d3b567a417b26e0a613cf459f8149de169a784d39934d943f92290e0cce89c
[INFO] running `Command { std: "docker" "start" "-a" "e0d3b567a417b26e0a613cf459f8149de169a784d39934d943f92290e0cce89c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling extend v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.02s
[INFO] running `Command { std: "docker" "inspect" "e0d3b567a417b26e0a613cf459f8149de169a784d39934d943f92290e0cce89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d3b567a417b26e0a613cf459f8149de169a784d39934d943f92290e0cce89c", kill_on_drop: false }`
[INFO] [stdout] e0d3b567a417b26e0a613cf459f8149de169a784d39934d943f92290e0cce89c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 097cd29f82d29b6356e358ab71872c1923446f9a5acdbe6303deaf0ab68845f8
[INFO] running `Command { std: "docker" "start" "-a" "097cd29f82d29b6356e358ab71872c1923446f9a5acdbe6303deaf0ab68845f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling extend v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.02s
[INFO] running `Command { std: "docker" "inspect" "097cd29f82d29b6356e358ab71872c1923446f9a5acdbe6303deaf0ab68845f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097cd29f82d29b6356e358ab71872c1923446f9a5acdbe6303deaf0ab68845f8", kill_on_drop: false }`
[INFO] [stdout] 097cd29f82d29b6356e358ab71872c1923446f9a5acdbe6303deaf0ab68845f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f4cda36ee295cf37db7bcc3e6c5de5a4075deb6a89c0beb353507d631a42774
[INFO] running `Command { std: "docker" "start" "-a" "7f4cda36ee295cf37db7bcc3e6c5de5a4075deb6a89c0beb353507d631a42774", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extend-6d18046222186061)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling extend v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling extend-tests v0.0.0 (/opt/rustwide/target/tests/extend)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.67s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test associated_constants.rs [should pass] ... ok
[INFO] [stderr] test async_trait.rs [should pass] ... ok
[INFO] [stderr] test changing_extension_trait_name.rs [should pass] ... ok
[INFO] [stderr] test complex_trait_name.rs [should pass] ... ok
[INFO] [stderr] test double_ext_on_same_type.rs [should pass] ... ok
[INFO] [stderr] test extension_on_complex_types.rs [should pass] ... ok
[INFO] [stderr] 
[INFO] [stderr] WARNINGS:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> $DIR/extension_on_complex_types.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     &[1, 2, 3].foo();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] STDERR:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> /opt/rustwide/workdir/tests/compile_pass/extension_on_complex_types.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     &[1, 2, 3].foo();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] test generics.rs [should pass] ... ok
[INFO] [stderr] test hello_world.rs [should pass] ... ok
[INFO] [stderr] test issue_2.rs [should pass] ... ok
[INFO] [stderr] test more_than_one_extension.rs [should pass] ... ok
[INFO] [stderr] test multiple_config.rs [should pass] ... ok
[INFO] [stderr] test multiple_generic_params.rs [should pass] ... ok
[INFO] [stderr] test pub_impl.rs [should pass] ... ok
[INFO] [stderr] test ref_and_ref_mut.rs [should pass] ... ok
[INFO] [stderr] test sized.rs [should pass] ... ok
[INFO] [stderr] test super_trait.rs [should pass] ... ok
[INFO] [stderr] test visibility_config.rs [should pass] ... ok
[INFO] [stderr] test double_vis.rs [should fail to compile] ... ok
[INFO] [stderr] test supertraits_are_actually_included.rs [should fail to compile] ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test test::test_ui ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 45.78s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests extend
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - ext_sized (line 220) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/lib.rs - (line 131) ... ok
[INFO] [stdout] test src/lib.rs - (line 111) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f4cda36ee295cf37db7bcc3e6c5de5a4075deb6a89c0beb353507d631a42774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4cda36ee295cf37db7bcc3e6c5de5a4075deb6a89c0beb353507d631a42774", kill_on_drop: false }`
[INFO] [stdout] 7f4cda36ee295cf37db7bcc3e6c5de5a4075deb6a89c0beb353507d631a42774