[INFO] fetching crate butcher 0.5.0...
[INFO] testing butcher-0.5.0 against beta-2022-04-10 for beta-1.61-1
[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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24e699b36b32cd3db987c578267554c49b12a9196a63a712d1b7ae2e453af1c4
[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" "24e699b36b32cd3db987c578267554c49b12a9196a63a712d1b7ae2e453af1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24e699b36b32cd3db987c578267554c49b12a9196a63a712d1b7ae2e453af1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e699b36b32cd3db987c578267554c49b12a9196a63a712d1b7ae2e453af1c4", kill_on_drop: false }`
[INFO] [stdout] 24e699b36b32cd3db987c578267554c49b12a9196a63a712d1b7ae2e453af1c4
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 8b43b850f482bd6ae93a953cde67d3c482b9dd582850a45cc8b385a05e4cfbcf
[INFO] running `Command { std: "docker" "start" "-a" "8b43b850f482bd6ae93a953cde67d3c482b9dd582850a45cc8b385a05e4cfbcf", kill_on_drop: false }`
[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 6.40s
[INFO] running `Command { std: "docker" "inspect" "8b43b850f482bd6ae93a953cde67d3c482b9dd582850a45cc8b385a05e4cfbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b43b850f482bd6ae93a953cde67d3c482b9dd582850a45cc8b385a05e4cfbcf", kill_on_drop: false }`
[INFO] [stdout] 8b43b850f482bd6ae93a953cde67d3c482b9dd582850a45cc8b385a05e4cfbcf
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 5cdd872b8f88c9b19c84b27124d64d8f0eb270c24a2cb6c0c7f6f09379a96f26
[INFO] running `Command { std: "docker" "start" "-a" "5cdd872b8f88c9b19c84b27124d64d8f0eb270c24a2cb6c0c7f6f09379a96f26", kill_on_drop: false }`
[INFO] [stderr]    Compiling butcher v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/butcher-f95ac4aebf6143ec)
[INFO] running `Command { std: "docker" "inspect" "5cdd872b8f88c9b19c84b27124d64d8f0eb270c24a2cb6c0c7f6f09379a96f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cdd872b8f88c9b19c84b27124d64d8f0eb270c24a2cb6c0c7f6f09379a96f26", kill_on_drop: false }`
[INFO] [stdout] 5cdd872b8f88c9b19c84b27124d64d8f0eb270c24a2cb6c0c7f6f09379a96f26
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13ab5575fa727259d89999de324d2fcad4f459a4aa5c12db0949a4ab90fbb1e5
[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" "13ab5575fa727259d89999de324d2fcad4f459a4aa5c12db0949a4ab90fbb1e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/butcher-f95ac4aebf6143ec)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test as_deref::flatten_fn::as_deref_cow_string_borrowed ... ok
[INFO] [stdout] test flatten::tests::owned_borrowed ... ok
[INFO] [stdout] test as_deref::flatten_fn::as_deref_cow_box_str_owned ... ok
[INFO] [stdout] test as_deref::flatten_fn::as_deref_cow_box_str_borrowed ... ok
[INFO] [stderr]    Doc-tests butcher
[INFO] [stdout] test iterator::cow_iter::iterator_borrowed ... 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 flatten::tests::owned_owned ... ok
[INFO] [stdout] test iterator::cow_iter::iterator_owned ... ok
[INFO] [stdout] test flatten::tests::borrowed_borrowed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 212) - compile fail ... ok
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 237) ... 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 28) ... ok
[INFO] [stdout] test src/flatten.rs - flatten::FlattenCow (line 26) ... 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 59) ... ok
[INFO] [stdout] test src/deriving_butcher_enum.rs - deriving_butcher_enum (line 12) ... ok
[INFO] [stdout] test src/flatten.rs - flatten::FlattenCow (line 40) ... 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/deriving_butcher_struct.rs - deriving_butcher_struct (line 10) ... ok
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 172) ... ok
[INFO] [stdout] test src/as_deref.rs - as_deref::AsDerefCow (line 33) ... ok
[INFO] [stdout] test src/iterator.rs - iterator::CowIter (line 20) ... ok
[INFO] [stdout] test src/iterator.rs - iterator::CowIter (line 37) ... ok
[INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/methods.rs - methods::Rebutcher (line 201) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13ab5575fa727259d89999de324d2fcad4f459a4aa5c12db0949a4ab90fbb1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ab5575fa727259d89999de324d2fcad4f459a4aa5c12db0949a4ab90fbb1e5", kill_on_drop: false }`
[INFO] [stdout] 13ab5575fa727259d89999de324d2fcad4f459a4aa5c12db0949a4ab90fbb1e5