[INFO] fetching crate butcher 0.5.0... [INFO] testing butcher-0.5.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate butcher 0.5.0 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate butcher 0.5.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 769825c1b0d18c436b9d3d06cd1c0fa2441ea38f41e6e0ee748cc54a4a078a60 [INFO] running `Command { std: "docker" "start" "-a" "769825c1b0d18c436b9d3d06cd1c0fa2441ea38f41e6e0ee748cc54a4a078a60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "769825c1b0d18c436b9d3d06cd1c0fa2441ea38f41e6e0ee748cc54a4a078a60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "769825c1b0d18c436b9d3d06cd1c0fa2441ea38f41e6e0ee748cc54a4a078a60", kill_on_drop: false }` [INFO] [stdout] 769825c1b0d18c436b9d3d06cd1c0fa2441ea38f41e6e0ee748cc54a4a078a60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 46b88826caef0246f36b348505e0ac254a0d4c3c3d95d79239b712cdca58d4fa [INFO] running `Command { std: "docker" "start" "-a" "46b88826caef0246f36b348505e0ac254a0d4c3c3d95d79239b712cdca58d4fa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling butcher_proc_macro v0.5.1 [INFO] [stderr] Compiling butcher v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/iterator.rs:87:28 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter { [INFO] [stdout] | ^^ --------------------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to 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 9.54s [INFO] running `Command { std: "docker" "inspect" "46b88826caef0246f36b348505e0ac254a0d4c3c3d95d79239b712cdca58d4fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46b88826caef0246f36b348505e0ac254a0d4c3c3d95d79239b712cdca58d4fa", kill_on_drop: false }` [INFO] [stdout] 46b88826caef0246f36b348505e0ac254a0d4c3c3d95d79239b712cdca58d4fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] fa0c19fdc516e128fe0b453e349d9bc2b4e84f696848233d1ea322edd5cca898 [INFO] running `Command { std: "docker" "start" "-a" "fa0c19fdc516e128fe0b453e349d9bc2b4e84f696848233d1ea322edd5cca898", kill_on_drop: false }` [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/iterator.rs:87:28 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter { [INFO] [stdout] | ^^ --------------------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to 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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/iterator.rs:87:28 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter { [INFO] [stdout] | ^^ --------------------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to 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 0.93s [INFO] running `Command { std: "docker" "inspect" "fa0c19fdc516e128fe0b453e349d9bc2b4e84f696848233d1ea322edd5cca898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa0c19fdc516e128fe0b453e349d9bc2b4e84f696848233d1ea322edd5cca898", kill_on_drop: false }` [INFO] [stdout] fa0c19fdc516e128fe0b453e349d9bc2b4e84f696848233d1ea322edd5cca898 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] fb003c8bac84dd5e25ab77f19edb19a86956b8a8cc32ad9b66b94c45776b0267 [INFO] running `Command { std: "docker" "start" "-a" "fb003c8bac84dd5e25ab77f19edb19a86956b8a8cc32ad9b66b94c45776b0267", kill_on_drop: false }` [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/iterator.rs:87:28 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn from_cow(i: Cow<'a, Input>) -> CowIter { [INFO] [stderr] | ^^ --------------------------------- the lifetime gets resolved as `'a` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to 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 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/butcher-eb37e1035341796c) [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_box_str_owned ... ok [INFO] [stdout] test as_deref::flatten_fn::as_deref_cow_string_owned ... ok [INFO] [stdout] test as_deref::flatten_fn::as_deref_cow_string_borrowed ... ok [INFO] [stdout] test flatten::tests::borrowed_owned ... ok [INFO] [stdout] test flatten::tests::owned_borrowed ... ok [INFO] [stdout] test iterator::cow_iter::iterator_owned ... ok [INFO] [stdout] test flatten::tests::borrowed_borrowed ... ok [INFO] [stdout] test flatten::tests::owned_owned ... ok [INFO] [stdout] test iterator::cow_iter::iterator_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] running `Command { std: "docker" "inspect" "fb003c8bac84dd5e25ab77f19edb19a86956b8a8cc32ad9b66b94c45776b0267", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb003c8bac84dd5e25ab77f19edb19a86956b8a8cc32ad9b66b94c45776b0267", kill_on_drop: false }` [INFO] [stdout] fb003c8bac84dd5e25ab77f19edb19a86956b8a8cc32ad9b66b94c45776b0267