[INFO] fetching crate configuer 0.1.12...
[INFO] testing configuer-0.1.12 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate configuer 0.1.12 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate configuer 0.1.12
[INFO] finished tweaking crates.io crate configuer 0.1.12
[INFO] tweaked toml for crates.io crate configuer 0.1.12 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate configuer 0.1.12 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 configuer 0.1.12 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 50f9f1d4a112d7c81a4c1f0412b6e8918b69dfa31e9e4af1c97a866882ddebfd
[INFO] running `Command { std: "docker" "start" "-a" "50f9f1d4a112d7c81a4c1f0412b6e8918b69dfa31e9e4af1c97a866882ddebfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50f9f1d4a112d7c81a4c1f0412b6e8918b69dfa31e9e4af1c97a866882ddebfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f9f1d4a112d7c81a4c1f0412b6e8918b69dfa31e9e4af1c97a866882ddebfd", kill_on_drop: false }`
[INFO] [stdout] 50f9f1d4a112d7c81a4c1f0412b6e8918b69dfa31e9e4af1c97a866882ddebfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 41e1e680bd9e9a9d86531d3907c55a77717275d0ab50a230880ab1e2ddee6598
[INFO] running `Command { std: "docker" "start" "-a" "41e1e680bd9e9a9d86531d3907c55a77717275d0ab50a230880ab1e2ddee6598", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling configuer v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.47s
[INFO] running `Command { std: "docker" "inspect" "41e1e680bd9e9a9d86531d3907c55a77717275d0ab50a230880ab1e2ddee6598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e1e680bd9e9a9d86531d3907c55a77717275d0ab50a230880ab1e2ddee6598", kill_on_drop: false }`
[INFO] [stdout] 41e1e680bd9e9a9d86531d3907c55a77717275d0ab50a230880ab1e2ddee6598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6234dc1b3188bd1805eaa3e2df2c81e95d1dcd8e8c949f895ed257e0c64a5328
[INFO] running `Command { std: "docker" "start" "-a" "6234dc1b3188bd1805eaa3e2df2c81e95d1dcd8e8c949f895ed257e0c64a5328", kill_on_drop: false }`
[INFO] [stderr]    Compiling configuer v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn default_value_works() {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Serialize` will fail
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Configuer::with_file("random").on_create(|| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: configuer v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6234dc1b3188bd1805eaa3e2df2c81e95d1dcd8e8c949f895ed257e0c64a5328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6234dc1b3188bd1805eaa3e2df2c81e95d1dcd8e8c949f895ed257e0c64a5328", kill_on_drop: false }`
[INFO] [stdout] 6234dc1b3188bd1805eaa3e2df2c81e95d1dcd8e8c949f895ed257e0c64a5328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c71568eb56c8a1cdb8f5870ac263b3ca043515866d26cbde49ec538086aa8e96
[INFO] running `Command { std: "docker" "start" "-a" "c71568eb56c8a1cdb8f5870ac263b3ca043515866d26cbde49ec538086aa8e96", kill_on_drop: false }`
[INFO] [stderr] warning: this function depends on never type fallback being `()`
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn default_value_works() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stderr]    = help: specify the types explicitly
[INFO] [stderr] note: in edition 2024, the requirement `!: Serialize` will fail
[INFO] [stderr]   --> src/lib.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         Configuer::with_file("random").on_create(|| {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `configuer` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: configuer v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/configuer-3b5bbf25270e19ae)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::saving_and_reading_works_between_sessions ... ok
[INFO] [stdout] test tests::default_value_works - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c71568eb56c8a1cdb8f5870ac263b3ca043515866d26cbde49ec538086aa8e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71568eb56c8a1cdb8f5870ac263b3ca043515866d26cbde49ec538086aa8e96", kill_on_drop: false }`
[INFO] [stdout] c71568eb56c8a1cdb8f5870ac263b3ca043515866d26cbde49ec538086aa8e96