[INFO] fetching crate extension-trait 1.0.0...
[INFO] testing extension-trait-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate extension-trait 1.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate extension-trait 1.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extension-trait 1.0.0
[INFO] finished tweaking crates.io crate extension-trait 1.0.0
[INFO] tweaked toml for crates.io crate extension-trait 1.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2bfb5d202fdfc128dd721528a1d035c6c29af3da5f1da80c326b267a328d697
[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" "e2bfb5d202fdfc128dd721528a1d035c6c29af3da5f1da80c326b267a328d697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2bfb5d202fdfc128dd721528a1d035c6c29af3da5f1da80c326b267a328d697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2bfb5d202fdfc128dd721528a1d035c6c29af3da5f1da80c326b267a328d697", kill_on_drop: false }`
[INFO] [stdout] e2bfb5d202fdfc128dd721528a1d035c6c29af3da5f1da80c326b267a328d697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef6bae4f65e06b5e3aaa9664933402aa3d265d4170be783b2f13932db189a534
[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" "ef6bae4f65e06b5e3aaa9664933402aa3d265d4170be783b2f13932db189a534", kill_on_drop: false }`
[INFO] [stderr]    Compiling extension-trait v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "ef6bae4f65e06b5e3aaa9664933402aa3d265d4170be783b2f13932db189a534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6bae4f65e06b5e3aaa9664933402aa3d265d4170be783b2f13932db189a534", kill_on_drop: false }`
[INFO] [stdout] ef6bae4f65e06b5e3aaa9664933402aa3d265d4170be783b2f13932db189a534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdf15a54cd6f4355a78c4e77770f4d93ea752d81cf8f98a4af2ccd2e37bec67e
[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" "bdf15a54cd6f4355a78c4e77770f4d93ea752d81cf8f98a4af2ccd2e37bec67e", kill_on_drop: false }`
[INFO] [stderr]    Compiling extension-trait v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "bdf15a54cd6f4355a78c4e77770f4d93ea752d81cf8f98a4af2ccd2e37bec67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf15a54cd6f4355a78c4e77770f4d93ea752d81cf8f98a4af2ccd2e37bec67e", kill_on_drop: false }`
[INFO] [stdout] bdf15a54cd6f4355a78c4e77770f4d93ea752d81cf8f98a4af2ccd2e37bec67e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4289c891208cafed388fca9cda89da544f78c769ccc67255131a40db4560114e
[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" "4289c891208cafed388fca9cda89da544f78c769ccc67255131a40db4560114e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/extension_trait-ca4555ae6aed7c8f
[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-deeaa739e9d84991
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test documented ... ok
[INFO] [stderr]    Doc-tests extension-trait
[INFO] [stdout] test double_bracket_conversion ... ok
[INFO] [stdout] test before_works ... ok
[INFO] [stdout] test empty_tuple ... ok
[INFO] [stdout] test after_works ... ok
[INFO] [stdout] test between_works ... ok
[INFO] [stdout] test generic_function_extension_traits ... ok
[INFO] [stdout] test double_bracket_conversion_using_where ... ok
[INFO] [stdout] test struct_pattern ... ok
[INFO] [stdout] test pub_extension_trait ... ok
[INFO] [stdout] test receiver ... ok
[INFO] [stdout] test single_element_tuple ... ok
[INFO] [stdout] test generic_extension_traits ... ok
[INFO] [stdout] test slice_map_ext ... ok
[INFO] [stdout] test two_element_tuple ... ok
[INFO] [stdout] test tuple_higiene ... ok
[INFO] [stdout] test unsafe_method ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - extension_trait (line 38) ... 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" "4289c891208cafed388fca9cda89da544f78c769ccc67255131a40db4560114e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4289c891208cafed388fca9cda89da544f78c769ccc67255131a40db4560114e", kill_on_drop: false }`
[INFO] [stdout] 4289c891208cafed388fca9cda89da544f78c769ccc67255131a40db4560114e