[INFO] fetching crate compact_bytes 0.2.1...
[INFO] checking compact_bytes-0.2.1 against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] extracting crate compact_bytes 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate compact_bytes 0.2.1
[INFO] finished tweaking crates.io crate compact_bytes 0.2.1
[INFO] tweaked toml for crates.io crate compact_bytes 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate compact_bytes 0.2.1 on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate compact_bytes 0.2.1 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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50476f80752d5098e7970d9a0cea8f105b0522906864a49726e038af2e93785f
[INFO] running `Command { std: "docker" "start" "-a" "50476f80752d5098e7970d9a0cea8f105b0522906864a49726e038af2e93785f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50476f80752d5098e7970d9a0cea8f105b0522906864a49726e038af2e93785f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50476f80752d5098e7970d9a0cea8f105b0522906864a49726e038af2e93785f", kill_on_drop: false }`
[INFO] [stdout] 50476f80752d5098e7970d9a0cea8f105b0522906864a49726e038af2e93785f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7a649c75c3faf7e895412fe7ab47381e30aad279929dcd770e8838377dac5f2
[INFO] running `Command { std: "docker" "start" "-a" "e7a649c75c3faf7e895412fe7ab47381e30aad279929dcd770e8838377dac5f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking proptest v1.7.0
[INFO] [stderr]     Checking compact_bytes v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: not automatically applying `DerefMut` through union field to target that might have `Drop` glue
[INFO] [stdout]    --> src/growable.rs:365:13
[INFO] [stdout]     |
[INFO] [stdout] 365 |             self.heap.set_len(new_len);
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: writing to this reference calls the destructor for the old value
[INFO] [stdout]     = help: add an explicit `*` if that is desired, or call `ptr::write` to not run the destructor
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compact_bytes` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e7a649c75c3faf7e895412fe7ab47381e30aad279929dcd770e8838377dac5f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a649c75c3faf7e895412fe7ab47381e30aad279929dcd770e8838377dac5f2", kill_on_drop: false }`
[INFO] [stdout] e7a649c75c3faf7e895412fe7ab47381e30aad279929dcd770e8838377dac5f2