[INFO] cloning repository https://github.com/kldtz/charsplitrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kldtz/charsplitrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkldtz%2Fcharsplitrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkldtz%2Fcharsplitrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff6b132f470843d42cd0f715988af017bb1cd097
[INFO] testing kldtz/charsplitrs against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkldtz%2Fcharsplitrs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kldtz/charsplitrs
[INFO] finished tweaking git repo https://github.com/kldtz/charsplitrs
[INFO] tweaked toml for git repo https://github.com/kldtz/charsplitrs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kldtz/charsplitrs 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] crate git repo https://github.com/kldtz/charsplitrs already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bb8525308a3cc410169807b99f460ed1239ba6030b541fe0b01c217e8957cb65
[INFO] running `Command { std: "docker" "start" "-a" "bb8525308a3cc410169807b99f460ed1239ba6030b541fe0b01c217e8957cb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb8525308a3cc410169807b99f460ed1239ba6030b541fe0b01c217e8957cb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8525308a3cc410169807b99f460ed1239ba6030b541fe0b01c217e8957cb65", kill_on_drop: false }`
[INFO] [stdout] bb8525308a3cc410169807b99f460ed1239ba6030b541fe0b01c217e8957cb65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c9ebd5ed9e8241ea3bc564dc31877875aadfc17e269caebe577a4d8417eacccf
[INFO] running `Command { std: "docker" "start" "-a" "c9ebd5ed9e8241ea3bc564dc31877875aadfc17e269caebe577a4d8417eacccf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling charsplitrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/utils.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(string: &'a str) -> CharString {
[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] 8 |     pub fn new(string: &'a str) -> CharString<'a> {
[INFO] [stdout]   |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.28s
[INFO] running `Command { std: "docker" "inspect" "c9ebd5ed9e8241ea3bc564dc31877875aadfc17e269caebe577a4d8417eacccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ebd5ed9e8241ea3bc564dc31877875aadfc17e269caebe577a4d8417eacccf", kill_on_drop: false }`
[INFO] [stdout] c9ebd5ed9e8241ea3bc564dc31877875aadfc17e269caebe577a4d8417eacccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6ad9cf0c4fac64cf00d6f97ff750d4abbba93b0a8e8b4706fe71b9b1633ec514
[INFO] running `Command { std: "docker" "start" "-a" "6ad9cf0c4fac64cf00d6f97ff750d4abbba93b0a8e8b4706fe71b9b1633ec514", kill_on_drop: false }`
[INFO] [stderr]    Compiling charsplitrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/utils.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(string: &'a str) -> CharString {
[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] 8 |     pub fn new(string: &'a str) -> CharString<'a> {
[INFO] [stdout]   |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/utils.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(string: &'a str) -> CharString {
[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] 8 |     pub fn new(string: &'a str) -> CharString<'a> {
[INFO] [stdout]   |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "6ad9cf0c4fac64cf00d6f97ff750d4abbba93b0a8e8b4706fe71b9b1633ec514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad9cf0c4fac64cf00d6f97ff750d4abbba93b0a8e8b4706fe71b9b1633ec514", kill_on_drop: false }`
[INFO] [stdout] 6ad9cf0c4fac64cf00d6f97ff750d4abbba93b0a8e8b4706fe71b9b1633ec514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 43de380cde68488343b55e78335eefbe76ec3eaf432d06fec35a474871aea39a
[INFO] running `Command { std: "docker" "start" "-a" "43de380cde68488343b55e78335eefbe76ec3eaf432d06fec35a474871aea39a", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]  --> src/utils.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(string: &'a str) -> CharString {
[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] 8 |     pub fn new(string: &'a str) -> CharString<'a> {
[INFO] [stderr]   |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `charsplitrs` (lib) generated 1 warning (run `cargo fix --lib -p charsplitrs` to apply 1 suggestion)
[INFO] [stderr] warning: `charsplitrs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/charsplitrs-9e545a16c92389a2)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/charsplitrs-f22b933a146eecff)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test utils::tests::get_length ... ok
[INFO] [stdout] test utils::tests::take_substrings ... ok
[INFO] [stdout] test utils::tests::take_suffixes ... ok
[INFO] [stdout] test utils::tests::take_prefixes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43de380cde68488343b55e78335eefbe76ec3eaf432d06fec35a474871aea39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43de380cde68488343b55e78335eefbe76ec3eaf432d06fec35a474871aea39a", kill_on_drop: false }`
[INFO] [stdout] 43de380cde68488343b55e78335eefbe76ec3eaf432d06fec35a474871aea39a