[INFO] fetching crate snafu-derive 0.8.6...
[INFO] testing snafu-derive-0.8.6 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate snafu-derive 0.8.6 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate snafu-derive 0.8.6
[INFO] finished tweaking crates.io crate snafu-derive 0.8.6
[INFO] tweaked toml for crates.io crate snafu-derive 0.8.6 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snafu-derive 0.8.6 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 snafu-derive 0.8.6 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] 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] 1da0581c2510bca281f57c3036da7c6d6c4697e44d09d72bcae56e998629df28
[INFO] running `Command { std: "docker" "start" "-a" "1da0581c2510bca281f57c3036da7c6d6c4697e44d09d72bcae56e998629df28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da0581c2510bca281f57c3036da7c6d6c4697e44d09d72bcae56e998629df28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da0581c2510bca281f57c3036da7c6d6c4697e44d09d72bcae56e998629df28", kill_on_drop: false }`
[INFO] [stdout] 1da0581c2510bca281f57c3036da7c6d6c4697e44d09d72bcae56e998629df28
[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] 1648f028835a9f66d064c551783fd6aa38dce0d8b76343d5c8a73eb6506382f4
[INFO] running `Command { std: "docker" "start" "-a" "1648f028835a9f66d064c551783fd6aa38dce0d8b76343d5c8a73eb6506382f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling snafu-derive v0.8.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:543:13
[INFO] [stdout]     |
[INFO] [stdout] 543 |     fn iter(&self) -> std::collections::vec_deque::Iter<(T, U)> {
[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] 543 |     fn iter(&self) -> std::collections::vec_deque::Iter<'_, (T, U)> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "1648f028835a9f66d064c551783fd6aa38dce0d8b76343d5c8a73eb6506382f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1648f028835a9f66d064c551783fd6aa38dce0d8b76343d5c8a73eb6506382f4", kill_on_drop: false }`
[INFO] [stdout] 1648f028835a9f66d064c551783fd6aa38dce0d8b76343d5c8a73eb6506382f4
[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] 7bdc90c2248352ef1d313d1829bc465cd4b1394d88a6370550deebfca28bc976
[INFO] running `Command { std: "docker" "start" "-a" "7bdc90c2248352ef1d313d1829bc465cd4b1394d88a6370550deebfca28bc976", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu-derive v0.8.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:543:13
[INFO] [stdout]     |
[INFO] [stdout] 543 |     fn iter(&self) -> std::collections::vec_deque::Iter<(T, U)> {
[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] 543 |     fn iter(&self) -> std::collections::vec_deque::Iter<'_, (T, U)> {
[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:543:13
[INFO] [stdout]     |
[INFO] [stdout] 543 |     fn iter(&self) -> std::collections::vec_deque::Iter<(T, U)> {
[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] 543 |     fn iter(&self) -> std::collections::vec_deque::Iter<'_, (T, U)> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "7bdc90c2248352ef1d313d1829bc465cd4b1394d88a6370550deebfca28bc976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bdc90c2248352ef1d313d1829bc465cd4b1394d88a6370550deebfca28bc976", kill_on_drop: false }`
[INFO] [stdout] 7bdc90c2248352ef1d313d1829bc465cd4b1394d88a6370550deebfca28bc976
[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] ac96197fc8151ff3d036d02336d0a15a6b0179e9511667fe52d455556d2fb1af
[INFO] running `Command { std: "docker" "start" "-a" "ac96197fc8151ff3d036d02336d0a15a6b0179e9511667fe52d455556d2fb1af", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:543:13
[INFO] [stderr]     |
[INFO] [stderr] 543 |     fn iter(&self) -> std::collections::vec_deque::Iter<(T, U)> {
[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] 543 |     fn iter(&self) -> std::collections::vec_deque::Iter<'_, (T, U)> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: `snafu-derive` (lib) generated 1 warning (run `cargo fix --lib -p snafu-derive` to apply 1 suggestion)
[INFO] [stderr] warning: `snafu-derive` (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/debug/deps/snafu_derive-0cdaf84a9341ec23)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test parse::test::finds_multiple_named_arguments ... ok
[INFO] [stdout] test parse::test::finds_named_argument ... ok
[INFO] [stdout] test parse::test::finds_named_arguments_around_escaped ... ok
[INFO] [stdout] test parse::test::ignores_escaped_braces ... ok
[INFO] [stdout] test parse::test::ignores_format_spec ... ok
[INFO] [stdout] test parse::test::ignores_positional_arguments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests snafu_derive
[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" "ac96197fc8151ff3d036d02336d0a15a6b0179e9511667fe52d455556d2fb1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac96197fc8151ff3d036d02336d0a15a6b0179e9511667fe52d455556d2fb1af", kill_on_drop: false }`
[INFO] [stdout] ac96197fc8151ff3d036d02336d0a15a6b0179e9511667fe52d455556d2fb1af