[INFO] cloning repository https://github.com/mutnam/shr_qpack_log
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mutnam/shr_qpack_log" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutnam%2Fshr_qpack_log", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutnam%2Fshr_qpack_log'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4e3b64b5efffbc4dbce9e5c19ab643d7d7c8265
[INFO] checking mutnam/shr_qpack_log against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutnam%2Fshr_qpack_log" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mutnam/shr_qpack_log on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mutnam/shr_qpack_log
[INFO] finished tweaking git repo https://github.com/mutnam/shr_qpack_log
[INFO] tweaked toml for git repo https://github.com/mutnam/shr_qpack_log written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mutnam/shr_qpack_log 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" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3387090811e5e0d732190a74aa23f83750e9b5d6a9f4edcc17ff44cf65cbeaa
[INFO] running `Command { std: "docker" "start" "-a" "b3387090811e5e0d732190a74aa23f83750e9b5d6a9f4edcc17ff44cf65cbeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3387090811e5e0d732190a74aa23f83750e9b5d6a9f4edcc17ff44cf65cbeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3387090811e5e0d732190a74aa23f83750e9b5d6a9f4edcc17ff44cf65cbeaa", kill_on_drop: false }`
[INFO] [stdout] b3387090811e5e0d732190a74aa23f83750e9b5d6a9f4edcc17ff44cf65cbeaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b8ea58b18d2823c6ce2083e1b7ad500e74ca05486451d33511bca4b0f9e2df3
[INFO] running `Command { std: "docker" "start" "-a" "5b8ea58b18d2823c6ce2083e1b7ad500e74ca05486451d33511bca4b0f9e2df3", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking shr_qpack_log v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `required_insert_count`, `bytes`, `sign`, and `delta_base` are never read
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct FieldSection{
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 28 |     required_insert_count :Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     bytes:Option<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     sign:Option<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     delta_base:Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FieldSection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `required_insert_count`, `bytes`, `sign`, and `delta_base` are never read
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct FieldSection{
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 28 |     required_insert_count :Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     bytes:Option<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     sign:Option<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     delta_base:Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FieldSection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "5b8ea58b18d2823c6ce2083e1b7ad500e74ca05486451d33511bca4b0f9e2df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8ea58b18d2823c6ce2083e1b7ad500e74ca05486451d33511bca4b0f9e2df3", kill_on_drop: false }`
[INFO] [stdout] 5b8ea58b18d2823c6ce2083e1b7ad500e74ca05486451d33511bca4b0f9e2df3