[INFO] fetching crate cvar 0.4.1...
[INFO] testing cvar-0.4.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate cvar 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cvar 0.4.1
[INFO] finished tweaking crates.io crate cvar 0.4.1
[INFO] tweaked toml for crates.io crate cvar 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cvar 0.4.1 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 crates.io crate cvar 0.4.1 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] 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] 82131b094fff1c13a10486a3c927f9a49ae7d9d9cb900b075fcd622178f02dfa
[INFO] running `Command { std: "docker" "start" "-a" "82131b094fff1c13a10486a3c927f9a49ae7d9d9cb900b075fcd622178f02dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82131b094fff1c13a10486a3c927f9a49ae7d9d9cb900b075fcd622178f02dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82131b094fff1c13a10486a3c927f9a49ae7d9d9cb900b075fcd622178f02dfa", kill_on_drop: false }`
[INFO] [stdout] 82131b094fff1c13a10486a3c927f9a49ae7d9d9cb900b075fcd622178f02dfa
[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] 5cd418001416502a2a82500ab556ad17e12e7033eacafa365a9ac579e1dfb259
[INFO] running `Command { std: "docker" "start" "-a" "5cd418001416502a2a82500ab556ad17e12e7033eacafa365a9ac579e1dfb259", kill_on_drop: false }`
[INFO] [stderr]    Compiling cvar v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/console.rs:225:24
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&str, &u8, &str)> {
[INFO] [stdout]     |                        ^^                               ----  ---  ---- the lifetimes get resolved as `'a`
[INFO] [stdout]     |                        |                                |     |
[INFO] [stdout]     |                        |                                |     the lifetimes get resolved as `'a`
[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] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&'a str, &'a u8, &'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" "5cd418001416502a2a82500ab556ad17e12e7033eacafa365a9ac579e1dfb259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd418001416502a2a82500ab556ad17e12e7033eacafa365a9ac579e1dfb259", kill_on_drop: false }`
[INFO] [stdout] 5cd418001416502a2a82500ab556ad17e12e7033eacafa365a9ac579e1dfb259
[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] 420d7168983f153fcba3e171d55d213509742a02ea199923c5291512766e1373
[INFO] running `Command { std: "docker" "start" "-a" "420d7168983f153fcba3e171d55d213509742a02ea199923c5291512766e1373", kill_on_drop: false }`
[INFO] [stderr]    Compiling cvar v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/console.rs:225:24
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&str, &u8, &str)> {
[INFO] [stdout]     |                        ^^                               ----  ---  ---- the lifetimes get resolved as `'a`
[INFO] [stdout]     |                        |                                |     |
[INFO] [stdout]     |                        |                                |     the lifetimes get resolved as `'a`
[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] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&'a str, &'a u8, &'a str)> {
[INFO] [stdout]     |                                                          ++       ++      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/console.rs:225:24
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&str, &u8, &str)> {
[INFO] [stdout]     |                        ^^                               ----  ---  ---- the lifetimes get resolved as `'a`
[INFO] [stdout]     |                        |                                |     |
[INFO] [stdout]     |                        |                                |     the lifetimes get resolved as `'a`
[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] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&'a str, &'a u8, &'a str)> {
[INFO] [stdout]     |                                                          ++       ++      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "420d7168983f153fcba3e171d55d213509742a02ea199923c5291512766e1373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420d7168983f153fcba3e171d55d213509742a02ea199923c5291512766e1373", kill_on_drop: false }`
[INFO] [stdout] 420d7168983f153fcba3e171d55d213509742a02ea199923c5291512766e1373
[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] d6f5a0d8cfdb89ac24ebf734701f783a898578e15783fc99f38fa81396a3904d
[INFO] running `Command { std: "docker" "start" "-a" "d6f5a0d8cfdb89ac24ebf734701f783a898578e15783fc99f38fa81396a3904d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> src/console.rs:225:24
[INFO] [stdout] test console::test_compare_id ... ok
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&str, &u8, &str)> {
[INFO] [stderr]     |                        ^^                               ----  ---  ---- the lifetimes get resolved as `'a`
[INFO] [stderr]     |                        |                                |     |
[INFO] [stderr]     |                        |                                |     the lifetimes get resolved as `'a`
[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] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&'a str, &'a u8, &'a str)> {
[INFO] [stderr]     |                                                          ++       ++      ++
[INFO] [stderr] 
[INFO] [stderr] warning: `cvar` (lib) generated 1 warning (run `cargo fix --lib -p cvar` to apply 1 suggestion)
[INFO] [stderr] warning: `cvar` (lib test) generated 1 warning (1 duplicate)
[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/cvar-00e833791a0406cc)
[INFO] [stdout] test tests::main ... 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" "d6f5a0d8cfdb89ac24ebf734701f783a898578e15783fc99f38fa81396a3904d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f5a0d8cfdb89ac24ebf734701f783a898578e15783fc99f38fa81396a3904d", kill_on_drop: false }`
[INFO] [stdout] d6f5a0d8cfdb89ac24ebf734701f783a898578e15783fc99f38fa81396a3904d