[INFO] fetching crate flexver-rs 0.1.2...
[INFO] testing flexver-rs-0.1.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate flexver-rs 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate flexver-rs 0.1.2
[INFO] finished tweaking crates.io crate flexver-rs 0.1.2
[INFO] tweaked toml for crates.io crate flexver-rs 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flexver-rs 0.1.2 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] 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 247df31905996e9750c058a29da152d07108ec4a1a597c2569bee2b938e8ab4f
[INFO] running `Command { std: "docker" "start" "-a" "247df31905996e9750c058a29da152d07108ec4a1a597c2569bee2b938e8ab4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "247df31905996e9750c058a29da152d07108ec4a1a597c2569bee2b938e8ab4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247df31905996e9750c058a29da152d07108ec4a1a597c2569bee2b938e8ab4f", kill_on_drop: false }`
[INFO] [stdout] 247df31905996e9750c058a29da152d07108ec4a1a597c2569bee2b938e8ab4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c8b47e0f45d3b406818d1a351573c48dac7c8a2e6741b7c731e2f59d02bac024
[INFO] running `Command { std: "docker" "start" "-a" "c8b47e0f45d3b406818d1a351573c48dac7c8a2e6741b7c731e2f59d02bac024", kill_on_drop: false }`
[INFO] [stderr]    Compiling flexver-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn split_once_rest<'a>(s: &'a str, numeric: bool) -> Option<(&str, &str)> {
[INFO] [stdout]    |                            ^^                                ----  ---- the lifetimes get resolved as `'a`
[INFO] [stdout]    |                            |                                 |
[INFO] [stdout]    |                            |                                 the lifetimes get resolved as `'a`
[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] 27 | fn split_once_rest<'a>(s: &'a str, numeric: bool) -> Option<(&'a str, &'a str)> {
[INFO] [stdout]    |                                                               ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "c8b47e0f45d3b406818d1a351573c48dac7c8a2e6741b7c731e2f59d02bac024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b47e0f45d3b406818d1a351573c48dac7c8a2e6741b7c731e2f59d02bac024", kill_on_drop: false }`
[INFO] [stdout] c8b47e0f45d3b406818d1a351573c48dac7c8a2e6741b7c731e2f59d02bac024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] db06cd7ffa7363fc8d8351a2f478bb0dc73fcfc45ecc6bc20e60a372079431e4
[INFO] running `Command { std: "docker" "start" "-a" "db06cd7ffa7363fc8d8351a2f478bb0dc73fcfc45ecc6bc20e60a372079431e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling flexver-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn split_once_rest<'a>(s: &'a str, numeric: bool) -> Option<(&str, &str)> {
[INFO] [stdout]    |                            ^^                                ----  ---- the lifetimes get resolved as `'a`
[INFO] [stdout]    |                            |                                 |
[INFO] [stdout]    |                            |                                 the lifetimes get resolved as `'a`
[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] 27 | fn split_once_rest<'a>(s: &'a str, numeric: bool) -> Option<(&'a str, &'a str)> {
[INFO] [stdout]    |                                                               ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "db06cd7ffa7363fc8d8351a2f478bb0dc73fcfc45ecc6bc20e60a372079431e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db06cd7ffa7363fc8d8351a2f478bb0dc73fcfc45ecc6bc20e60a372079431e4", kill_on_drop: false }`
[INFO] [stdout] db06cd7ffa7363fc8d8351a2f478bb0dc73fcfc45ecc6bc20e60a372079431e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9bcadc2a6125a4e19b6dbbb20087b399bf6c93e06a3c66f15e2b37f5671c5ce6
[INFO] running `Command { std: "docker" "start" "-a" "9bcadc2a6125a4e19b6dbbb20087b399bf6c93e06a3c66f15e2b37f5671c5ce6", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/lib.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn split_once_rest<'a>(s: &'a str, numeric: bool) -> Option<(&str, &str)> {
[INFO] [stderr]    |                            ^^                                ----  ---- the lifetimes get resolved as `'a`
[INFO] [stderr]    |                            |                                 |
[INFO] [stderr]    |                            |                                 the lifetimes get resolved as `'a`
[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] 27 | fn split_once_rest<'a>(s: &'a str, numeric: bool) -> Option<(&'a str, &'a str)> {
[INFO] [stderr]    |                                                               ++       ++
[INFO] [stderr] 
[INFO] [stderr] warning: `flexver-rs` (lib test) generated 1 warning (run `cargo fix --lib -p flexver-rs --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/flexver_rs-4d4dd1c00e03c53d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_compare ... ok
[INFO] [stdout] test tests::test_ord ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bcadc2a6125a4e19b6dbbb20087b399bf6c93e06a3c66f15e2b37f5671c5ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcadc2a6125a4e19b6dbbb20087b399bf6c93e06a3c66f15e2b37f5671c5ce6", kill_on_drop: false }`
[INFO] [stdout] 9bcadc2a6125a4e19b6dbbb20087b399bf6c93e06a3c66f15e2b37f5671c5ce6