[INFO] fetching crate butcher 0.5.0...
[INFO] testing butcher-0.5.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate butcher 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate butcher 0.5.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate butcher 0.5.0
[INFO] finished tweaking crates.io crate butcher 0.5.0
[INFO] tweaked toml for crates.io crate butcher 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded butcher_proc_macro v0.5.1
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2039b6112890304b3b5ac69b595af10ced1c8f4871cf88e02b53ea93955ae78
[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" "b2039b6112890304b3b5ac69b595af10ced1c8f4871cf88e02b53ea93955ae78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2039b6112890304b3b5ac69b595af10ced1c8f4871cf88e02b53ea93955ae78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2039b6112890304b3b5ac69b595af10ced1c8f4871cf88e02b53ea93955ae78", kill_on_drop: false }`
[INFO] [stdout] b2039b6112890304b3b5ac69b595af10ced1c8f4871cf88e02b53ea93955ae78
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e74adb0422c6439f0d408401f7070bb8aac8fb2dd43d2924a7659dab5f0c0277
[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" "e74adb0422c6439f0d408401f7070bb8aac8fb2dd43d2924a7659dab5f0c0277", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling butcher_proc_macro v0.5.1
[INFO] [stderr]    Compiling butcher v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.66s
[INFO] running `Command { std: "docker" "inspect" "e74adb0422c6439f0d408401f7070bb8aac8fb2dd43d2924a7659dab5f0c0277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e74adb0422c6439f0d408401f7070bb8aac8fb2dd43d2924a7659dab5f0c0277", kill_on_drop: false }`
[INFO] [stdout] e74adb0422c6439f0d408401f7070bb8aac8fb2dd43d2924a7659dab5f0c0277
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3cf183de3c929614e73357c73ba8595c40a1fe6c325c90d2e0cafd7edabc8ba
[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" "f3cf183de3c929614e73357c73ba8595c40a1fe6c325c90d2e0cafd7edabc8ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling butcher v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "f3cf183de3c929614e73357c73ba8595c40a1fe6c325c90d2e0cafd7edabc8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cf183de3c929614e73357c73ba8595c40a1fe6c325c90d2e0cafd7edabc8ba", kill_on_drop: false }`
[INFO] [stdout] f3cf183de3c929614e73357c73ba8595c40a1fe6c325c90d2e0cafd7edabc8ba
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] c0ea4b6d90e33de6100e810083ea3bc55f22dc7b8bab845fbb5b632c88673014
[INFO] running `Command { std: "docker" "start" "-a" "c0ea4b6d90e33de6100e810083ea3bc55f22dc7b8bab845fbb5b632c88673014", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/butcher-aceaf7d35ab86136
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test as_deref::flatten_fn::as_deref_cow_box_str_owned ... ok
[INFO] [stdout] test as_deref::flatten_fn::as_deref_cow_string_owned ... ok
[INFO] [stdout] test flatten::tests::borrowed_owned ... ok
[INFO] [stdout] test iterator::cow_iter::iterator_owned ... ok
[INFO] [stdout] test flatten::tests::owned_borrowed ... ok
[INFO] [stdout] test as_deref::flatten_fn::as_deref_cow_string_borrowed ... ok
[INFO] [stdout] test flatten::tests::owned_owned ... ok
[INFO] [stdout] test iterator::cow_iter::iterator_borrowed ... ok
[INFO] [stdout] test flatten::tests::borrowed_borrowed ... ok
[INFO] [stdout] test as_deref::flatten_fn::as_deref_cow_box_str_borrowed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests butcher
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 10) ... ok
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 212) ... ok
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 22) ... ok
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 237) ... ok
[INFO] [stdout] test src/deriving_butcher_enum.rs - deriving_butcher_enum (line 12) ... ok
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 104) ... ok
[INFO] [stdout] test src/deriving_butcher_enum.rs - deriving_butcher_enum (line 48) ... ok
[INFO] [stdout] test src/deriving_butcher_enum.rs - deriving_butcher_enum (line 28) ... ok
[INFO] [stdout] test src/deriving_butcher_enum.rs - deriving_butcher_enum (line 59) ... ok
[INFO] [stdout] test src/flatten.rs - flatten::FlattenCow (line 26) ... ok
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 172) ... ok
[INFO] [stdout] test src/flatten.rs - flatten::FlattenCow (line 40) ... ok
[INFO] [stdout] test src/iterator.rs - iterator::CowIter (line 20) ... ok
[INFO] [stdout] test src/as_deref.rs - as_deref::AsDerefCow (line 33) ... ok
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 43) ... ok
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/methods.rs - methods::Rebutcher (line 201) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/iterator.rs - iterator::CowIter (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0ea4b6d90e33de6100e810083ea3bc55f22dc7b8bab845fbb5b632c88673014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ea4b6d90e33de6100e810083ea3bc55f22dc7b8bab845fbb5b632c88673014", kill_on_drop: false }`
[INFO] [stdout] c0ea4b6d90e33de6100e810083ea3bc55f22dc7b8bab845fbb5b632c88673014