[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/c4e3b64b5efffbc4dbce9e5c19ab643d7d7c8265 against 22950ab9e29e11620a10905f027f141ea126966e for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutnam%2Fshr_qpack_log" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mutnam/shr_qpack_log on toolchain 22950ab9e29e11620a10905f027f141ea126966e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22950ab9e29e11620a10905f027f141ea126966e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+22950ab9e29e11620a10905f027f141ea126966e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b9ec873f6d676b98a3e566aa265e142c5fbc25c97a3d4d0df2248bf562156ed6
[INFO] running `Command { std: "docker" "start" "b9ec873f6d676b98a3e566aa265e142c5fbc25c97a3d4d0df2248bf562156ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9ec873f6d676b98a3e566aa265e142c5fbc25c97a3d4d0df2248bf562156ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b9ec873f6d676b98a3e566aa265e142c5fbc25c97a3d4d0df2248bf562156ed6" "/opt/rustwide/cargo-home/bin/cargo" "+22950ab9e29e11620a10905f027f141ea126966e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9ec873f6d676b98a3e566aa265e142c5fbc25c97a3d4d0df2248bf562156ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b9ec873f6d676b98a3e566aa265e142c5fbc25c97a3d4d0df2248bf562156ed6" "/opt/rustwide/cargo-home/bin/cargo" "+22950ab9e29e11620a10905f027f141ea126966e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:448:22
[INFO] [stdout]     |
[INFO] [stdout] 448 |     pub fn get_bytes(&mut self, len: usize) -> Result<Octets> {
[INFO] [stdout]     |                      ^^^^^^^^^                        ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 448 |     pub fn get_bytes(&mut self, len: usize) -> Result<Octets<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:465:26
[INFO] [stdout]     |
[INFO] [stdout] 465 |     pub fn get_bytes_mut(&mut self, len: usize) -> Result<OctetsMut> {
[INFO] [stdout]     |                          ^^^^^^^^^                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 465 |     pub fn get_bytes_mut(&mut self, len: usize) -> Result<OctetsMut<'_>> {
[INFO] [stdout]     |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:482:37
[INFO] [stdout]     |
[INFO] [stdout] 482 |     pub fn get_bytes_with_u8_length(&mut self) -> Result<Octets> {
[INFO] [stdout]     |                                     ^^^^^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 482 |     pub fn get_bytes_with_u8_length(&mut self) -> Result<Octets<'_>> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:490:38
[INFO] [stdout]     |
[INFO] [stdout] 490 |     pub fn get_bytes_with_u16_length(&mut self) -> Result<Octets> {
[INFO] [stdout]     |                                      ^^^^^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 490 |     pub fn get_bytes_with_u16_length(&mut self) -> Result<Octets<'_>> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:498:41
[INFO] [stdout]     |
[INFO] [stdout] 498 |     pub fn get_bytes_with_varint_length(&mut self) -> Result<Octets> {
[INFO] [stdout]     |                                         ^^^^^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 498 |     pub fn get_bytes_with_varint_length(&mut self) -> Result<Octets<'_>> {
[INFO] [stdout]     |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:505:23
[INFO] [stdout]     |
[INFO] [stdout] 505 |     pub fn peek_bytes(&mut self, len: usize) -> Result<Octets> {
[INFO] [stdout]     |                       ^^^^^^^^^                        ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 505 |     pub fn peek_bytes(&mut self, len: usize) -> Result<Octets<'_>> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:520:27
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub fn peek_bytes_mut(&mut self, len: usize) -> Result<OctetsMut> {
[INFO] [stdout]     |                           ^^^^^^^^^                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub fn peek_bytes_mut(&mut self, len: usize) -> Result<OctetsMut<'_>> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:554:21
[INFO] [stdout]     |
[INFO] [stdout] 554 |     pub fn split_at(&mut self, off: usize) -> Result<(OctetsMut, OctetsMut)> {
[INFO] [stdout]     |                     ^^^^^^^^^                         ^^^^^^^^^  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |                                 |
[INFO] [stdout]     |                     |                                 the same lifetime is hidden here
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 554 |     pub fn split_at(&mut self, off: usize) -> Result<(OctetsMut<'_>, OctetsMut<'_>)> {
[INFO] [stdout]     |                                                                ++++           ++++
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:448:22
[INFO] [stdout]     |
[INFO] [stdout] 448 |     pub fn get_bytes(&mut self, len: usize) -> Result<Octets> {
[INFO] [stdout]     |                      ^^^^^^^^^                        ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 448 |     pub fn get_bytes(&mut self, len: usize) -> Result<Octets<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:465:26
[INFO] [stdout]     |
[INFO] [stdout] 465 |     pub fn get_bytes_mut(&mut self, len: usize) -> Result<OctetsMut> {
[INFO] [stdout]     |                          ^^^^^^^^^                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 465 |     pub fn get_bytes_mut(&mut self, len: usize) -> Result<OctetsMut<'_>> {
[INFO] [stdout]     |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:482:37
[INFO] [stdout]     |
[INFO] [stdout] 482 |     pub fn get_bytes_with_u8_length(&mut self) -> Result<Octets> {
[INFO] [stdout]     |                                     ^^^^^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 482 |     pub fn get_bytes_with_u8_length(&mut self) -> Result<Octets<'_>> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:490:38
[INFO] [stdout]     |
[INFO] [stdout] 490 |     pub fn get_bytes_with_u16_length(&mut self) -> Result<Octets> {
[INFO] [stdout]     |                                      ^^^^^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 490 |     pub fn get_bytes_with_u16_length(&mut self) -> Result<Octets<'_>> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:498:41
[INFO] [stdout]     |
[INFO] [stdout] 498 |     pub fn get_bytes_with_varint_length(&mut self) -> Result<Octets> {
[INFO] [stdout]     |                                         ^^^^^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 498 |     pub fn get_bytes_with_varint_length(&mut self) -> Result<Octets<'_>> {
[INFO] [stdout]     |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:505:23
[INFO] [stdout]     |
[INFO] [stdout] 505 |     pub fn peek_bytes(&mut self, len: usize) -> Result<Octets> {
[INFO] [stdout]     |                       ^^^^^^^^^                        ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 505 |     pub fn peek_bytes(&mut self, len: usize) -> Result<Octets<'_>> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:520:27
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub fn peek_bytes_mut(&mut self, len: usize) -> Result<OctetsMut> {
[INFO] [stdout]     |                           ^^^^^^^^^                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub fn peek_bytes_mut(&mut self, len: usize) -> Result<OctetsMut<'_>> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/octets.rs:554:21
[INFO] [stdout]     |
[INFO] [stdout] 554 |     pub fn split_at(&mut self, off: usize) -> Result<(OctetsMut, OctetsMut)> {
[INFO] [stdout]     |                     ^^^^^^^^^                         ^^^^^^^^^  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |                                 |
[INFO] [stdout]     |                     |                                 the same lifetime is hidden here
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 554 |     pub fn split_at(&mut self, off: usize) -> Result<(OctetsMut<'_>, OctetsMut<'_>)> {
[INFO] [stdout]     |                                                                ++++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "b9ec873f6d676b98a3e566aa265e142c5fbc25c97a3d4d0df2248bf562156ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ec873f6d676b98a3e566aa265e142c5fbc25c97a3d4d0df2248bf562156ed6", kill_on_drop: false }`
[INFO] [stdout] b9ec873f6d676b98a3e566aa265e142c5fbc25c97a3d4d0df2248bf562156ed6
