[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] building mutnam/shr_qpack_log against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutnam%2Fshr_qpack_log" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mutnam/shr_qpack_log on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-1-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c600e1b160f8ffe025b51626e75a0a1899463b290768fd92cd37ca1e89ecbdb
[INFO] running `Command { std: "docker" "start" "-a" "1c600e1b160f8ffe025b51626e75a0a1899463b290768fd92cd37ca1e89ecbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c600e1b160f8ffe025b51626e75a0a1899463b290768fd92cd37ca1e89ecbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c600e1b160f8ffe025b51626e75a0a1899463b290768fd92cd37ca1e89ecbdb", kill_on_drop: false }`
[INFO] [stdout] 1c600e1b160f8ffe025b51626e75a0a1899463b290768fd92cd37ca1e89ecbdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c9e4ee86e208cdb137bfc0ea631729034c0e734faf5cc72f2ff104c9cdc33df
[INFO] running `Command { std: "docker" "start" "-a" "3c9e4ee86e208cdb137bfc0ea631729034c0e734faf5cc72f2ff104c9cdc33df", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "3c9e4ee86e208cdb137bfc0ea631729034c0e734faf5cc72f2ff104c9cdc33df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9e4ee86e208cdb137bfc0ea631729034c0e734faf5cc72f2ff104c9cdc33df", kill_on_drop: false }`
[INFO] [stdout] 3c9e4ee86e208cdb137bfc0ea631729034c0e734faf5cc72f2ff104c9cdc33df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4543d58c3f73f9664457651a6075d0fca2003d29f8348cdd97d99980f2c9a398
[INFO] running `Command { std: "docker" "start" "-a" "4543d58c3f73f9664457651a6075d0fca2003d29f8348cdd97d99980f2c9a398", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "4543d58c3f73f9664457651a6075d0fca2003d29f8348cdd97d99980f2c9a398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4543d58c3f73f9664457651a6075d0fca2003d29f8348cdd97d99980f2c9a398", kill_on_drop: false }`
[INFO] [stdout] 4543d58c3f73f9664457651a6075d0fca2003d29f8348cdd97d99980f2c9a398