[INFO] fetching crate easy-ext 1.0.0...
[INFO] testing easy-ext-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate easy-ext 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate easy-ext 1.0.0 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 easy-ext 1.0.0
[INFO] finished tweaking crates.io crate easy-ext 1.0.0
[INFO] tweaked toml for crates.io crate easy-ext 1.0.0 written to /workspace/builds/worker-7/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f2a401a3ee20f6d20b7e435f541268402a8980b5c27f21b4920a20df8ff7b5a6
[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" "f2a401a3ee20f6d20b7e435f541268402a8980b5c27f21b4920a20df8ff7b5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2a401a3ee20f6d20b7e435f541268402a8980b5c27f21b4920a20df8ff7b5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a401a3ee20f6d20b7e435f541268402a8980b5c27f21b4920a20df8ff7b5a6", kill_on_drop: false }`
[INFO] [stdout] f2a401a3ee20f6d20b7e435f541268402a8980b5c27f21b4920a20df8ff7b5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f80525a8b442e980d99b4dfefb3b0ff6f4c621d5c0c9720ec6ff0bfbf8ba045
[INFO] running `Command { std: "docker" "start" "-a" "0f80525a8b442e980d99b4dfefb3b0ff6f4c621d5c0c9720ec6ff0bfbf8ba045", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-ext v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "0f80525a8b442e980d99b4dfefb3b0ff6f4c621d5c0c9720ec6ff0bfbf8ba045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f80525a8b442e980d99b4dfefb3b0ff6f4c621d5c0c9720ec6ff0bfbf8ba045", kill_on_drop: false }`
[INFO] [stdout] 0f80525a8b442e980d99b4dfefb3b0ff6f4c621d5c0c9720ec6ff0bfbf8ba045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fc6ec4fd3feb3c05156b1af70e249ea4795a08a8b87f95972844138f7510436f
[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" "fc6ec4fd3feb3c05156b1af70e249ea4795a08a8b87f95972844138f7510436f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling trybuild v1.0.45
[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 toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling easy-ext v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.01s
[INFO] running `Command { std: "docker" "inspect" "fc6ec4fd3feb3c05156b1af70e249ea4795a08a8b87f95972844138f7510436f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6ec4fd3feb3c05156b1af70e249ea4795a08a8b87f95972844138f7510436f", kill_on_drop: false }`
[INFO] [stdout] fc6ec4fd3feb3c05156b1af70e249ea4795a08a8b87f95972844138f7510436f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5eef93b36930808c3c2a801e51bc722e5ea6fc4b128420842e3101d022cc55d8
[INFO] running `Command { std: "docker" "start" "-a" "5eef93b36930808c3c2a801e51bc722e5ea6fc4b128420842e3101d022cc55d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/easy_ext-f285cb1e6f4f1095)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/compiletest.rs (/opt/rustwide/target/debug/deps/compiletest-8a4a7c1977efd937)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ui ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-f8397811921d4f0c)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test lifetime ... ok
[INFO] [stdout] test maybe ... ok
[INFO] [stdout] test syntax ... ok
[INFO] [stdout] test trait_generics ... ok
[INFO] [stdout] test type_parameter_defaults ... ok
[INFO] [stdout] test where_clause ... ok
[INFO] [stdout] test assoc_ty ... ok
[INFO] [stdout] test macros ... ok
[INFO] [stdout] test angle_bracket ... ok
[INFO] [stdout] test inline ... ok
[INFO] [stdout] test simple ... ok
[INFO] [stdout] test visibility ... ok
[INFO] [stdout] test generics ... ok
[INFO] [stdout] test params ... ok
[INFO] [stdout] test min_const_generics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests easy-ext
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 72) ... ok
[INFO] [stdout] test src/lib.rs - (line 94) ... ok
[INFO] [stdout] test src/lib.rs - (line 146) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 157) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 135) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5eef93b36930808c3c2a801e51bc722e5ea6fc4b128420842e3101d022cc55d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eef93b36930808c3c2a801e51bc722e5ea6fc4b128420842e3101d022cc55d8", kill_on_drop: false }`
[INFO] [stdout] 5eef93b36930808c3c2a801e51bc722e5ea6fc4b128420842e3101d022cc55d8