[INFO] fetching crate car-nostd 0.6.0...
[INFO] testing car-nostd-0.6.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate car-nostd 0.6.0 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate car-nostd 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate car-nostd 0.6.0
[INFO] tweaked toml for crates.io crate car-nostd 0.6.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate car-nostd 0.6.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 115 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.13.0 (available: v0.14.0)
[INFO] [stderr]       Adding test-strategy v0.3.1 (available: v0.4.3)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_ipld_dagcbor v0.6.3
[INFO] [stderr]   Downloaded multihash-derive-impl v0.1.2
[INFO] [stderr]   Downloaded cid v0.11.1
[INFO] [stderr]   Downloaded ipld-core v0.4.2
[INFO] [stderr]   Downloaded multihash-derive v0.9.1
[INFO] [stderr]   Downloaded strobe-rs v0.10.0
[INFO] [stderr]   Downloaded multihash-codetable v0.1.4
[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] 32d2101fe7f2509b81af628b66253db06ad8e0febd85d072b761bc1820feb164
[INFO] running `Command { std: "docker" "start" "-a" "32d2101fe7f2509b81af628b66253db06ad8e0febd85d072b761bc1820feb164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32d2101fe7f2509b81af628b66253db06ad8e0febd85d072b761bc1820feb164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d2101fe7f2509b81af628b66253db06ad8e0febd85d072b761bc1820feb164", kill_on_drop: false }`
[INFO] [stdout] 32d2101fe7f2509b81af628b66253db06ad8e0febd85d072b761bc1820feb164
[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] c0fd7164aae51e06f0555b026a17d6a6187eb4e11ec9b774607c0ae170e409bd
[INFO] running `Command { std: "docker" "start" "-a" "c0fd7164aae51e06f0555b026a17d6a6187eb4e11ec9b774607c0ae170e409bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling unsigned-varint v0.8.0
[INFO] [stderr]    Compiling base-x v0.2.11
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.16
[INFO] [stderr]    Compiling data-encoding-macro v0.1.18
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling serde_bytes v0.11.17
[INFO] [stderr]    Compiling multihash v0.19.3
[INFO] [stderr]    Compiling cbor4ii v0.2.14
[INFO] [stderr]    Compiling cid v0.11.1
[INFO] [stderr]    Compiling ipld-core v0.4.2
[INFO] [stderr]    Compiling serde_ipld_dagcbor v0.6.3
[INFO] [stderr]    Compiling car-nostd v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.95s
[INFO] running `Command { std: "docker" "inspect" "c0fd7164aae51e06f0555b026a17d6a6187eb4e11ec9b774607c0ae170e409bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0fd7164aae51e06f0555b026a17d6a6187eb4e11ec9b774607c0ae170e409bd", kill_on_drop: false }`
[INFO] [stdout] c0fd7164aae51e06f0555b026a17d6a6187eb4e11ec9b774607c0ae170e409bd
[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] ace6f7c96ee5fa9206b6c011ad5f6982e8149a83cb9fd5641ce486bf6d72cc32
[INFO] running `Command { std: "docker" "start" "-a" "ace6f7c96ee5fa9206b6c011ad5f6982e8149a83cb9fd5641ce486bf6d72cc32", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.7.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.16
[INFO] [stderr]    Compiling multihash-derive-impl v0.1.2
[INFO] [stderr]    Compiling structmeta-derive v0.2.0
[INFO] [stderr]    Compiling data-encoding-macro v0.1.18
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling structmeta v0.2.0
[INFO] [stderr]    Compiling test-strategy v0.3.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling multihash v0.19.3
[INFO] [stderr]    Compiling serde_bytes v0.11.17
[INFO] [stderr]    Compiling cbor4ii v0.2.14
[INFO] [stderr]    Compiling multihash-derive v0.9.1
[INFO] [stderr]    Compiling cid v0.11.1
[INFO] [stderr]    Compiling multihash-codetable v0.1.4
[INFO] [stderr]    Compiling ipld-core v0.4.2
[INFO] [stderr]    Compiling serde_ipld_dagcbor v0.6.3
[INFO] [stderr]    Compiling car-nostd v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/util.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |     use core2::io::{Read, Write};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `symmetric_header_v1` is never used
[INFO] [stdout]   --> src/header.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn symmetric_header_v1() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `car_write_read` is never used
[INFO] [stdout]   --> src/reader.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn car_write_read() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ld_write` is never used
[INFO] [stdout]   --> src/util.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn ld_write<'a, W>(writer: &mut W, bytes: &[u8]) -> Result<(), Error>
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ld_read_write_good` is never used
[INFO] [stdout]   --> src/util.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn ld_read_write_good() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ld_read_write_fail` is never used
[INFO] [stdout]    --> src/util.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 109 |     async fn ld_read_write_fail() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 53.36s
[INFO] running `Command { std: "docker" "inspect" "ace6f7c96ee5fa9206b6c011ad5f6982e8149a83cb9fd5641ce486bf6d72cc32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace6f7c96ee5fa9206b6c011ad5f6982e8149a83cb9fd5641ce486bf6d72cc32", kill_on_drop: false }`
[INFO] [stdout] ace6f7c96ee5fa9206b6c011ad5f6982e8149a83cb9fd5641ce486bf6d72cc32
[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] 8518a7877c0a48d30048f54ab0db886f803855a6c6a6605f8ea0c57ffcdfeba5
[INFO] running `Command { std: "docker" "start" "-a" "8518a7877c0a48d30048f54ab0db886f803855a6c6a6605f8ea0c57ffcdfeba5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/util.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 |     use core2::io::{Read, Write};
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `symmetric_header_v1` is never used
[INFO] [stderr]   --> src/header.rs:83:8
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn symmetric_header_v1() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `car_write_read` is never used
[INFO] [stderr]   --> src/reader.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn car_write_read() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `ld_write` is never used
[INFO] [stderr]   --> src/util.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn ld_write<'a, W>(writer: &mut W, bytes: &[u8]) -> Result<(), Error>
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `ld_read_write_good` is never used
[INFO] [stderr]   --> src/util.rs:99:8
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn ld_read_write_good() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `ld_read_write_fail` is never used
[INFO] [stderr]    --> src/util.rs:109:14
[INFO] [stderr]     |
[INFO] [stderr] 109 |     async fn ld_read_write_fail() {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `car-nostd` (lib test) generated 6 warnings (run `cargo fix --lib -p car-nostd --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/car_nostd-c9c1b2a522f6d35c)
[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 tests/car_file_test.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/car_file_test-49d4531830808858)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test roundtrip_carv1_basic_fixtures_file ... ok
[INFO] [stdout] test roundtrip_carv1_test_file ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/car_writer_bytes_test.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/car_writer_bytes_test-d53d800f1c0c1fee)
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test write_returns_bytes_written ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8518a7877c0a48d30048f54ab0db886f803855a6c6a6605f8ea0c57ffcdfeba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8518a7877c0a48d30048f54ab0db886f803855a6c6a6605f8ea0c57ffcdfeba5", kill_on_drop: false }`
[INFO] [stdout] 8518a7877c0a48d30048f54ab0db886f803855a6c6a6605f8ea0c57ffcdfeba5