[INFO] fetching crate car-nostd 0.6.0...
[INFO] checking car-nostd-0.6.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate car-nostd 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate car-nostd 0.6.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 106 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a914f72aa9c866f19185385be1884a5fe9352cd56d663c05300eb3e9de915046
[INFO] running `Command { std: "docker" "start" "-a" "a914f72aa9c866f19185385be1884a5fe9352cd56d663c05300eb3e9de915046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a914f72aa9c866f19185385be1884a5fe9352cd56d663c05300eb3e9de915046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a914f72aa9c866f19185385be1884a5fe9352cd56d663c05300eb3e9de915046", kill_on_drop: false }`
[INFO] [stdout] a914f72aa9c866f19185385be1884a5fe9352cd56d663c05300eb3e9de915046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbc2fb750e89407c70b282f1cb2b68f974b3a3da423e717de0a82319e4c14c4e
[INFO] running `Command { std: "docker" "start" "-a" "cbc2fb750e89407c70b282f1cb2b68f974b3a3da423e717de0a82319e4c14c4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking bitflags v2.9.3
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking proptest v1.7.0
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[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]     Checking data-encoding-macro v0.1.18
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling structmeta v0.2.0
[INFO] [stderr]    Compiling test-strategy v0.3.1
[INFO] [stderr]     Checking multihash v0.19.3
[INFO] [stderr]     Checking serde_bytes v0.11.17
[INFO] [stderr]     Checking cbor4ii v0.2.14
[INFO] [stderr]     Checking multihash-derive v0.9.1
[INFO] [stderr]     Checking cid v0.11.1
[INFO] [stderr]     Checking multihash-codetable v0.1.4
[INFO] [stderr]     Checking ipld-core v0.4.2
[INFO] [stderr]     Checking serde_ipld_dagcbor v0.6.3
[INFO] [stderr]     Checking 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 `dev` profile [unoptimized + debuginfo] target(s) in 21.72s
[INFO] running `Command { std: "docker" "inspect" "cbc2fb750e89407c70b282f1cb2b68f974b3a3da423e717de0a82319e4c14c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc2fb750e89407c70b282f1cb2b68f974b3a3da423e717de0a82319e4c14c4e", kill_on_drop: false }`
[INFO] [stdout] cbc2fb750e89407c70b282f1cb2b68f974b3a3da423e717de0a82319e4c14c4e