[INFO] fetching crate framing_sv2 0.1.3...
[INFO] checking framing_sv2-0.1.3 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate framing_sv2 0.1.3 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate framing_sv2 0.1.3 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate framing_sv2 0.1.3
[INFO] finished tweaking crates.io crate framing_sv2 0.1.3
[INFO] tweaked toml for crates.io crate framing_sv2 0.1.3 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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 binary_codec_sv2 v0.1.2
[INFO] [stderr]   Downloaded derive_codec_sv2 v0.1.2
[INFO] [stderr]   Downloaded buffer_sv2 v0.1.0
[INFO] [stderr]   Downloaded serde_sv2 v0.1.0
[INFO] [stderr]   Downloaded binary_sv2 v0.1.4
[INFO] [stderr]   Downloaded const_sv2 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 604b5dcf3369cdae5a61af704b60bd76899ad60e0a94beacc0afb2479257a96a
[INFO] running `Command { std: "docker" "start" "-a" "604b5dcf3369cdae5a61af704b60bd76899ad60e0a94beacc0afb2479257a96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "604b5dcf3369cdae5a61af704b60bd76899ad60e0a94beacc0afb2479257a96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604b5dcf3369cdae5a61af704b60bd76899ad60e0a94beacc0afb2479257a96a", kill_on_drop: false }`
[INFO] [stdout] 604b5dcf3369cdae5a61af704b60bd76899ad60e0a94beacc0afb2479257a96a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be6938c81038fb5e8b4adae433076463a680d2e0f926cbc4d8abcfcbc6ad0da5
[INFO] running `Command { std: "docker" "start" "-a" "be6938c81038fb5e8b4adae433076463a680d2e0f926cbc4d8abcfcbc6ad0da5", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_codec_sv2 v0.1.2
[INFO] [stderr]     Checking const_sv2 v0.1.0
[INFO] [stderr]    Compiling derive_codec_sv2 v0.1.2
[INFO] [stderr]     Checking binary_sv2 v0.1.4
[INFO] [stderr]     Checking framing_sv2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]   --> src/framing2.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     header: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]   --> src/framing2.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     header: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "be6938c81038fb5e8b4adae433076463a680d2e0f926cbc4d8abcfcbc6ad0da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6938c81038fb5e8b4adae433076463a680d2e0f926cbc4d8abcfcbc6ad0da5", kill_on_drop: false }`
[INFO] [stdout] be6938c81038fb5e8b4adae433076463a680d2e0f926cbc4d8abcfcbc6ad0da5