[INFO] fetching crate buffertk 0.12.0...
[INFO] testing buffertk-0.12.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate buffertk 0.12.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate buffertk 0.12.0
[INFO] finished tweaking crates.io crate buffertk 0.12.0
[INFO] tweaked toml for crates.io crate buffertk 0.12.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate buffertk 0.12.0 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 buffertk 0.12.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded guacamole v0.11.0
[INFO] [stderr]   Downloaded statslicer v0.8.0
[INFO] [stderr]   Downloaded sig_fig_histogram v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a580334586789b5837c53a4a07a99f9ef8d4e12a2b6aa7314e8e80278ac13d52
[INFO] running `Command { std: "docker" "start" "-a" "a580334586789b5837c53a4a07a99f9ef8d4e12a2b6aa7314e8e80278ac13d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a580334586789b5837c53a4a07a99f9ef8d4e12a2b6aa7314e8e80278ac13d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a580334586789b5837c53a4a07a99f9ef8d4e12a2b6aa7314e8e80278ac13d52", kill_on_drop: false }`
[INFO] [stdout] a580334586789b5837c53a4a07a99f9ef8d4e12a2b6aa7314e8e80278ac13d52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ec81bbcad2579058f15d48360f7b85762f8febfec73553a7f922621754bdf2a4
[INFO] running `Command { std: "docker" "start" "-a" "ec81bbcad2579058f15d48360f7b85762f8febfec73553a7f922621754bdf2a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling buffertk v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:429:40
[INFO] [stdout]     |
[INFO] [stdout] 429 | pub fn length_free<P: Packable>(slice: &[P]) -> LengthFree<P> {
[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] 429 | pub fn length_free<P: Packable>(slice: &[P]) -> LengthFree<'_, P> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "ec81bbcad2579058f15d48360f7b85762f8febfec73553a7f922621754bdf2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec81bbcad2579058f15d48360f7b85762f8febfec73553a7f922621754bdf2a4", kill_on_drop: false }`
[INFO] [stdout] ec81bbcad2579058f15d48360f7b85762f8febfec73553a7f922621754bdf2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bd161aaf6c2eb9f545ea9ae531497809b7f4b485a08d3c49e92288a300178854
[INFO] running `Command { std: "docker" "start" "-a" "bd161aaf6c2eb9f545ea9ae531497809b7f4b485a08d3c49e92288a300178854", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling sig_fig_histogram v0.5.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:429:40
[INFO] [stdout]     |
[INFO] [stdout] 429 | pub fn length_free<P: Packable>(slice: &[P]) -> LengthFree<P> {
[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] 429 | pub fn length_free<P: Packable>(slice: &[P]) -> LengthFree<'_, P> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling derive_util v0.4.0
[INFO] [stderr]    Compiling arrrg_derive v0.7.0
[INFO] [stderr]    Compiling arrrg v0.7.0
[INFO] [stderr]    Compiling guacamole v0.11.0
[INFO] [stderr]    Compiling statslicer v0.8.0
[INFO] [stderr]    Compiling buffertk v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:429:40
[INFO] [stdout]     |
[INFO] [stdout] 429 | pub fn length_free<P: Packable>(slice: &[P]) -> LengthFree<P> {
[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] 429 | pub fn length_free<P: Packable>(slice: &[P]) -> LengthFree<'_, P> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "bd161aaf6c2eb9f545ea9ae531497809b7f4b485a08d3c49e92288a300178854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd161aaf6c2eb9f545ea9ae531497809b7f4b485a08d3c49e92288a300178854", kill_on_drop: false }`
[INFO] [stdout] bd161aaf6c2eb9f545ea9ae531497809b7f4b485a08d3c49e92288a300178854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 923a8c6255fcdba837d5192b032c44b170d507e756c87e3e33f6cd9f847de407
[INFO] running `Command { std: "docker" "start" "-a" "923a8c6255fcdba837d5192b032c44b170d507e756c87e3e33f6cd9f847de407", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:429:40
[INFO] [stderr]     |
[INFO] [stderr] 429 | pub fn length_free<P: Packable>(slice: &[P]) -> LengthFree<P> {
[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] 429 | pub fn length_free<P: Packable>(slice: &[P]) -> LengthFree<'_, P> {
[INFO] [stderr]     |                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `buffertk` (lib) generated 1 warning (run `cargo fix --lib -p buffertk` to apply 1 suggestion)
[INFO] [stderr] warning: `buffertk` (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/buffertk-4eb2d4606dc32f70)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test tests::length_free ... ok
[INFO] [stdout] test tests::pack_and_unpack_floats ... ok
[INFO] [stdout] test tests::pack_and_unpack_integers ... ok
[INFO] [stdout] test tests::pack_and_unpack_slice ... ok
[INFO] [stdout] test tests::pack_void ... ok
[INFO] [stdout] test tests::split_tuple ... ok
[INFO] [stdout] test tests::stack_pack_into_slice ... ok
[INFO] [stdout] test tests::stack_packer ... ok
[INFO] [stdout] test tests::unpacker ... ok
[INFO] [stdout] test varint::tests::assumption_u64_holds_usize ... ok
[INFO] [stdout] test tests::stack_pack_to_vec ... ok
[INFO] [stdout] test varint::tests::from_into_i32 ... ok
[INFO] [stdout] test varint::tests::from_into_i64 ... ok
[INFO] [stdout] test varint::tests::from_into_i16 ... ok
[INFO] [stdout] test varint::tests::from_into_i8 ... ok
[INFO] [stdout] test varint::tests::from_into_u16 ... ok
[INFO] [stdout] test varint::tests::from_into_u64 ... ok
[INFO] [stdout] test varint::tests::from_into_u32 ... ok
[INFO] [stdout] test varint::tests::from_into_usize ... ok
[INFO] [stdout] test varint::tests::pack_varint ... ok
[INFO] [stdout] test varint::tests::try_into_i16 ... ok
[INFO] [stdout] test varint::tests::from_into_u8 ... ok
[INFO] [stdout] test varint::tests::try_into_i8 ... ok
[INFO] [stdout] test varint::tests::try_into_i32 ... ok
[INFO] [stdout] test varint::tests::try_into_u8 ... ok
[INFO] [stdout] test varint::tests::try_into_u16 ... ok
[INFO] [stdout] test varint::tests::try_into_u32 ... ok
[INFO] [stdout] test varint::tests::unpack_varint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/unvarint.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/unvarint-306a023c47d4e112)
[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] [stderr]      Running unittests src/bin/varint.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/varint-d4a562128951446f)
[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" "923a8c6255fcdba837d5192b032c44b170d507e756c87e3e33f6cd9f847de407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923a8c6255fcdba837d5192b032c44b170d507e756c87e3e33f6cd9f847de407", kill_on_drop: false }`
[INFO] [stdout] 923a8c6255fcdba837d5192b032c44b170d507e756c87e3e33f6cd9f847de407