[INFO] fetching crate butcher 0.5.0... [INFO] testing butcher-0.5.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate butcher 0.5.0 into /workspace/builds/worker-0-tc1/source [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-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate butcher 0.5.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bab7d260db8e697d2eb0efc45253abe432d89987bacb84494a493d662d9f848c [INFO] running `Command { std: "docker" "start" "-a" "bab7d260db8e697d2eb0efc45253abe432d89987bacb84494a493d662d9f848c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bab7d260db8e697d2eb0efc45253abe432d89987bacb84494a493d662d9f848c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bab7d260db8e697d2eb0efc45253abe432d89987bacb84494a493d662d9f848c", kill_on_drop: false }` [INFO] [stdout] bab7d260db8e697d2eb0efc45253abe432d89987bacb84494a493d662d9f848c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ef184dab735bc3ec800f9fb67bb78d56e31470d716c72369fc3b3383d036342 [INFO] running `Command { std: "docker" "start" "-a" "1ef184dab735bc3ec800f9fb67bb78d56e31470d716c72369fc3b3383d036342", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling butcher_proc_macro v0.5.1 [INFO] [stderr] Compiling butcher v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/iterator.rs:87:43 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter { [INFO] [stdout] | -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter<'a, I, Input, Iterr1, Iterr2> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s [INFO] running `Command { std: "docker" "inspect" "1ef184dab735bc3ec800f9fb67bb78d56e31470d716c72369fc3b3383d036342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ef184dab735bc3ec800f9fb67bb78d56e31470d716c72369fc3b3383d036342", kill_on_drop: false }` [INFO] [stdout] 1ef184dab735bc3ec800f9fb67bb78d56e31470d716c72369fc3b3383d036342 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] afee1e73212850490f80635b487d52a55268a7fbc1075cdc2e7e1494aba9812f [INFO] running `Command { std: "docker" "start" "-a" "afee1e73212850490f80635b487d52a55268a7fbc1075cdc2e7e1494aba9812f", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/iterator.rs:87:43 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter { [INFO] [stdout] | -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter<'a, I, Input, Iterr1, Iterr2> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling butcher v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/iterator.rs:87:43 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter { [INFO] [stdout] | -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter<'a, I, Input, Iterr1, Iterr2> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "afee1e73212850490f80635b487d52a55268a7fbc1075cdc2e7e1494aba9812f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afee1e73212850490f80635b487d52a55268a7fbc1075cdc2e7e1494aba9812f", kill_on_drop: false }` [INFO] [stdout] afee1e73212850490f80635b487d52a55268a7fbc1075cdc2e7e1494aba9812f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 97686fa7572ddef5643b045d451ce345fdd7cc3d4d00cdfc9d696dc11e65d224 [INFO] running `Command { std: "docker" "start" "-a" "97686fa7572ddef5643b045d451ce345fdd7cc3d4d00cdfc9d696dc11e65d224", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/iterator.rs:87:43 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter { [INFO] [stderr] | -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is named here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter<'a, I, Input, Iterr1, Iterr2> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `butcher` (lib) generated 1 warning (run `cargo fix --lib -p butcher` to apply 1 suggestion) [INFO] [stderr] warning: `butcher` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/butcher-26dc1903f85dad25) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test as_deref::flatten_fn::as_deref_cow_box_str_borrowed ... ok [INFO] [stdout] test as_deref::flatten_fn::as_deref_cow_string_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_string_owned ... ok [INFO] [stdout] test flatten::tests::borrowed_borrowed ... ok [INFO] [stdout] test flatten::tests::owned_borrowed ... ok [INFO] [stdout] test flatten::tests::borrowed_owned ... ok [INFO] [stdout] test flatten::tests::owned_owned ... ok [INFO] [stdout] test iterator::cow_iter::iterator_borrowed ... ok [INFO] [stdout] test iterator::cow_iter::iterator_owned ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stderr] Doc-tests butcher [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/flatten.rs - flatten::FlattenCow (line 26) ... ok [INFO] [stdout] test src/deriving_butcher_enum.rs - deriving_butcher_enum (line 28) ... ok [INFO] [stdout] test src/iterator.rs - iterator::CowIter (line 20) ... ok [INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 104) ... ok [INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 69) ... ok [INFO] [stdout] test src/deriving_butcher_enum.rs - deriving_butcher_enum (line 59) ... ok [INFO] [stdout] test src/iterator.rs - iterator::CowIter (line 37) ... 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 10) ... ok [INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 22) ... ok [INFO] [stdout] test src/deriving_butcher_enum.rs - deriving_butcher_enum (line 48) ... 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 237) ... ok [INFO] [stdout] test src/flatten.rs - flatten::FlattenCow (line 40) ... ok [INFO] [stdout] test src/lib.rs - (line 16) ... ok [INFO] [stdout] test src/deriving_butcher_struct.rs - deriving_butcher_struct (line 172) ... ok [INFO] [stdout] test src/lib.rs - (line 35) ... ok [INFO] [stdout] test src/deriving_butcher_enum.rs - deriving_butcher_enum (line 12) ... 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 1.17s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "97686fa7572ddef5643b045d451ce345fdd7cc3d4d00cdfc9d696dc11e65d224", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97686fa7572ddef5643b045d451ce345fdd7cc3d4d00cdfc9d696dc11e65d224", kill_on_drop: false }` [INFO] [stdout] 97686fa7572ddef5643b045d451ce345fdd7cc3d4d00cdfc9d696dc11e65d224