[INFO] fetching crate dahl-partition 0.5.3...
[INFO] testing dahl-partition-0.5.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate dahl-partition 0.5.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate dahl-partition 0.5.3
[INFO] finished tweaking crates.io crate dahl-partition 0.5.3
[INFO] tweaked toml for crates.io crate dahl-partition 0.5.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dahl-partition 0.5.3 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 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 120fba5b0164f7d7a33c61d68294242890a451f9c3cee893429248353eb48bed
[INFO] running `Command { std: "docker" "start" "-a" "120fba5b0164f7d7a33c61d68294242890a451f9c3cee893429248353eb48bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "120fba5b0164f7d7a33c61d68294242890a451f9c3cee893429248353eb48bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120fba5b0164f7d7a33c61d68294242890a451f9c3cee893429248353eb48bed", kill_on_drop: false }`
[INFO] [stdout] 120fba5b0164f7d7a33c61d68294242890a451f9c3cee893429248353eb48bed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 40083b9d6154db59897f950a0da6d3b47cc3392733d5cbaf1e8d699adfb9ca75
[INFO] running `Command { std: "docker" "start" "-a" "40083b9d6154db59897f950a0da6d3b47cc3392733d5cbaf1e8d699adfb9ca75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling dahl-partition v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/lib.rs:1151:17
[INFO] [stdout]      |
[INFO] [stdout] 1151 |     pub fn view(&mut self) -> PartitionsHolderBorrower {
[INFO] [stdout]      |                 ^^^^^^^^^     ------------------------ the lifetime gets resolved as `'_`
[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 remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1151 |     pub fn view(&mut self) -> PartitionsHolderBorrower<'_> {
[INFO] [stdout]      |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/lib.rs:1512:17
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     pub fn view(&mut self) -> SquareMatrixBorrower {
[INFO] [stdout]      |                 ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     pub fn view(&mut self) -> SquareMatrixBorrower<'_> {
[INFO] [stdout]      |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "40083b9d6154db59897f950a0da6d3b47cc3392733d5cbaf1e8d699adfb9ca75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40083b9d6154db59897f950a0da6d3b47cc3392733d5cbaf1e8d699adfb9ca75", kill_on_drop: false }`
[INFO] [stdout] 40083b9d6154db59897f950a0da6d3b47cc3392733d5cbaf1e8d699adfb9ca75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 62a5f860f6cf05f8b6f8934dec3e4f3449b6a263ed7fd9c7d3ababf1c51b95e7
[INFO] running `Command { std: "docker" "start" "-a" "62a5f860f6cf05f8b6f8934dec3e4f3449b6a263ed7fd9c7d3ababf1c51b95e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling dahl-partition v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/lib.rs:1151:17
[INFO] [stdout]      |
[INFO] [stdout] 1151 |     pub fn view(&mut self) -> PartitionsHolderBorrower {
[INFO] [stdout]      |                 ^^^^^^^^^     ------------------------ the lifetime gets resolved as `'_`
[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 remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1151 |     pub fn view(&mut self) -> PartitionsHolderBorrower<'_> {
[INFO] [stdout]      |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/lib.rs:1512:17
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     pub fn view(&mut self) -> SquareMatrixBorrower {
[INFO] [stdout]      |                 ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     pub fn view(&mut self) -> SquareMatrixBorrower<'_> {
[INFO] [stdout]      |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/lib.rs:1151:17
[INFO] [stdout]      |
[INFO] [stdout] 1151 |     pub fn view(&mut self) -> PartitionsHolderBorrower {
[INFO] [stdout]      |                 ^^^^^^^^^     ------------------------ the lifetime gets resolved as `'_`
[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 remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1151 |     pub fn view(&mut self) -> PartitionsHolderBorrower<'_> {
[INFO] [stdout]      |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/lib.rs:1512:17
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     pub fn view(&mut self) -> SquareMatrixBorrower {
[INFO] [stdout]      |                 ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     pub fn view(&mut self) -> SquareMatrixBorrower<'_> {
[INFO] [stdout]      |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "62a5f860f6cf05f8b6f8934dec3e4f3449b6a263ed7fd9c7d3ababf1c51b95e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a5f860f6cf05f8b6f8934dec3e4f3449b6a263ed7fd9c7d3ababf1c51b95e7", kill_on_drop: false }`
[INFO] [stdout] 62a5f860f6cf05f8b6f8934dec3e4f3449b6a263ed7fd9c7d3ababf1c51b95e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1b3dc0bac79cda7146e2834fcf7676ada1b894aa99613fe4c880b5bbef3f475b
[INFO] running `Command { std: "docker" "start" "-a" "1b3dc0bac79cda7146e2834fcf7676ada1b894aa99613fe4c880b5bbef3f475b", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]     --> src/lib.rs:1151:17
[INFO] [stderr]      |
[INFO] [stderr] 1151 |     pub fn view(&mut self) -> PartitionsHolderBorrower {
[INFO] [stderr]      |                 ^^^^^^^^^     ------------------------ the lifetime gets resolved as `'_`
[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 remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]      |
[INFO] [stderr] 1151 |     pub fn view(&mut self) -> PartitionsHolderBorrower<'_> {
[INFO] [stderr]      |                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]     --> src/lib.rs:1512:17
[INFO] [stderr]      |
[INFO] [stderr] 1512 |     pub fn view(&mut self) -> SquareMatrixBorrower {
[INFO] [stderr]      |                 ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 this lifetime flows to the output
[INFO] [stderr]      |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]      |
[INFO] [stderr] 1512 |     pub fn view(&mut self) -> SquareMatrixBorrower<'_> {
[INFO] [stderr]      |                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dahl-partition` (lib) generated 2 warnings (run `cargo fix --lib -p dahl-partition` to apply 2 suggestions)
[INFO] [stderr] warning: `dahl-partition` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/dahl_partition-1e380591fe0f74cf)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests_partition::test_canonicalize ... ok
[INFO] [stdout] test tests_subset::test_add ... ok
[INFO] [stdout] test tests_partition::test_equality ... ok
[INFO] [stdout] test tests_partitions_holder::test_partition_holder ... ok
[INFO] [stdout] test tests_partition::test_from ... ok
[INFO] [stdout] test tests_partition::test_complete ... ok
[INFO] [stdout] test tests_iterator::test_sharded ... ok
[INFO] [stdout] test tests_subset::test_equality ... ok
[INFO] [stdout] test tests_subset::test_merge ... ok
[INFO] [stdout] test tests_subset::test_remove ... ok
[INFO] [stdout] test tests_iterator::test_iterator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b3dc0bac79cda7146e2834fcf7676ada1b894aa99613fe4c880b5bbef3f475b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3dc0bac79cda7146e2834fcf7676ada1b894aa99613fe4c880b5bbef3f475b", kill_on_drop: false }`
[INFO] [stdout] 1b3dc0bac79cda7146e2834fcf7676ada1b894aa99613fe4c880b5bbef3f475b