[INFO] updating cached repository https://github.com/Andorr/hpack-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7efaadcf67a3ef8dd41a6ddc36def35ca3f6bbb
[INFO] testing Andorr/hpack-rust against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndorr%2Fhpack-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Andorr/hpack-rust on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Andorr/hpack-rust
[INFO] finished tweaking git repo https://github.com/Andorr/hpack-rust
[INFO] tweaked toml for git repo https://github.com/Andorr/hpack-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Andorr/hpack-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0574219a0ca1befc5dd0191ccdd3c5c4afa33b96ea1eec06f9dc86de6fdaf038
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0574219a0ca1befc5dd0191ccdd3c5c4afa33b96ea1eec06f9dc86de6fdaf038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0574219a0ca1befc5dd0191ccdd3c5c4afa33b96ea1eec06f9dc86de6fdaf038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0574219a0ca1befc5dd0191ccdd3c5c4afa33b96ea1eec06f9dc86de6fdaf038", kill_on_drop: false }`
[INFO] [stdout] 0574219a0ca1befc5dd0191ccdd3c5c4afa33b96ea1eec06f9dc86de6fdaf038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64be1b0b9aab1071471e11fc0d099d63b98544335655419746108178a67f0264
[INFO] running `Command { std: "docker" "start" "-a" "64be1b0b9aab1071471e11fc0d099d63b98544335655419746108178a67f0264", kill_on_drop: false }`
[INFO] [stderr]    Compiling hpack-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `new_header_field`
[INFO] [stdout]  --> src/hpack/context.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::hpack::{decoder, new_header_field};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dynamic::HeaderField`
[INFO] [stdout]  --> src/hpack/encoder.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use dynamic::HeaderField;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> src/hpack/huffman/mod.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/hpack/huffman/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell`, `Ref`
[INFO] [stdout]  --> src/hpack/huffman/mod.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cell::{RefCell, Ref};
[INFO] [stdout]   |                 ^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut ctx = hpack::new_context(10, 10);
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/hpack/decoder.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut ctx = hpack::new_context(10, 10);
[INFO] [stdout]   |         ----^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hpack/huffman/mod.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let mut j = huff_code.length;
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `encoder`
[INFO] [stdout]  --> src/hpack/context.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     encoder: encoder::Encoder,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `decoder`
[INFO] [stdout]  --> src/hpack/context.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     decoder: decoder::Decoder,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_size`
[INFO] [stdout]   --> src/hpack/dynamic.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     max_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eviction_check`
[INFO] [stdout]   --> src/hpack/dynamic.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn eviction_check(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `evict`
[INFO] [stdout]   --> src/hpack/dynamic.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn evict(&mut self, n: usize) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/hpack/dynamic.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn get(&self, index: usize) -> Result<&HeaderField, ()> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_max_size`
[INFO] [stdout]   --> src/hpack/dynamic.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn set_max_size(&mut self, size: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_right_node`
[INFO] [stdout]   --> src/hpack/huffman/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn has_right_node(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_left_node`
[INFO] [stdout]   --> src/hpack/huffman/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn has_left_node(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dynT` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut dynT = hpack::new_dynamic_table(10);
[INFO] [stdout]    |             ^^^^ help: convert the identifier to snake case: `dyn_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "64be1b0b9aab1071471e11fc0d099d63b98544335655419746108178a67f0264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64be1b0b9aab1071471e11fc0d099d63b98544335655419746108178a67f0264", kill_on_drop: false }`
[INFO] [stdout] 64be1b0b9aab1071471e11fc0d099d63b98544335655419746108178a67f0264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa6e2c63f7cd1063113e53e12955ee2836bbac86a03f70d7908915b1336c8754
[INFO] running `Command { std: "docker" "start" "-a" "aa6e2c63f7cd1063113e53e12955ee2836bbac86a03f70d7908915b1336c8754", kill_on_drop: false }`
[INFO] [stderr]    Compiling hpack-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `new_header_field`
[INFO] [stdout]  --> src/hpack/context.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::hpack::{decoder, new_header_field};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dynamic::HeaderField`
[INFO] [stdout]  --> src/hpack/encoder.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use dynamic::HeaderField;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> src/hpack/huffman/mod.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/hpack/huffman/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell`, `Ref`
[INFO] [stdout]  --> src/hpack/huffman/mod.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cell::{RefCell, Ref};
[INFO] [stdout]   |                 ^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut ctx = hpack::new_context(10, 10);
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/hpack/decoder.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut ctx = hpack::new_context(10, 10);
[INFO] [stdout]   |         ----^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hpack/huffman/mod.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let mut j = huff_code.length;
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `encoder`
[INFO] [stdout]  --> src/hpack/context.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     encoder: encoder::Encoder,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `decoder`
[INFO] [stdout]  --> src/hpack/context.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     decoder: decoder::Decoder,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_size`
[INFO] [stdout]   --> src/hpack/dynamic.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     max_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eviction_check`
[INFO] [stdout]   --> src/hpack/dynamic.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn eviction_check(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `evict`
[INFO] [stdout]   --> src/hpack/dynamic.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn evict(&mut self, n: usize) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/hpack/dynamic.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn get(&self, index: usize) -> Result<&HeaderField, ()> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_max_size`
[INFO] [stdout]   --> src/hpack/dynamic.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn set_max_size(&mut self, size: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_right_node`
[INFO] [stdout]   --> src/hpack/huffman/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn has_right_node(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_left_node`
[INFO] [stdout]   --> src/hpack/huffman/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn has_left_node(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dynT` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut dynT = hpack::new_dynamic_table(10);
[INFO] [stdout]    |             ^^^^ help: convert the identifier to snake case: `dyn_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "aa6e2c63f7cd1063113e53e12955ee2836bbac86a03f70d7908915b1336c8754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6e2c63f7cd1063113e53e12955ee2836bbac86a03f70d7908915b1336c8754", kill_on_drop: false }`
[INFO] [stdout] aa6e2c63f7cd1063113e53e12955ee2836bbac86a03f70d7908915b1336c8754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6345e7114d5ffa36147d55c37c61a2f91fa97c958951fa2dc23b41b961ba92d7
[INFO] running `Command { std: "docker" "start" "-a" "6345e7114d5ffa36147d55c37c61a2f91fa97c958951fa2dc23b41b961ba92d7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `new_header_field`
[INFO] [stderr]  --> src/hpack/context.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::hpack::{decoder, new_header_field};
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dynamic::HeaderField`
[INFO] [stderr]  --> src/hpack/encoder.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use dynamic::HeaderField;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BorrowMut`
[INFO] [stderr]  --> src/hpack/huffman/mod.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/hpack/huffman/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RefCell`, `Ref`
[INFO] [stderr]  --> src/hpack/huffman/mod.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::cell::{RefCell, Ref};
[INFO] [stderr]   |                 ^^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut ctx = hpack::new_context(10, 10);
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/hpack/decoder.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut ctx = hpack::new_context(10, 10);
[INFO] [stderr]   |         ----^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/hpack/huffman/mod.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let mut j = huff_code.length;
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `encoder`
[INFO] [stderr]  --> src/hpack/context.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     encoder: encoder::Encoder,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `decoder`
[INFO] [stderr]  --> src/hpack/context.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     decoder: decoder::Decoder,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_size`
[INFO] [stderr]   --> src/hpack/dynamic.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     max_size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `eviction_check`
[INFO] [stderr]   --> src/hpack/dynamic.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn eviction_check(&mut self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `evict`
[INFO] [stderr]   --> src/hpack/dynamic.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn evict(&mut self, n: usize) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/hpack/dynamic.rs:92:12
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn get(&self, index: usize) -> Result<&HeaderField, ()> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_max_size`
[INFO] [stderr]   --> src/hpack/dynamic.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn set_max_size(&mut self, size: usize) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `has_right_node`
[INFO] [stderr]   --> src/hpack/huffman/mod.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn has_right_node(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `has_left_node`
[INFO] [stderr]   --> src/hpack/huffman/mod.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn has_left_node(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dynT` should have a snake case name
[INFO] [stderr]   --> src/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut dynT = hpack::new_dynamic_table(10);
[INFO] [stderr]    |             ^^^^ help: convert the identifier to snake case: `dyn_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hpack_rust-bf6de9afc6c9d550
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6345e7114d5ffa36147d55c37c61a2f91fa97c958951fa2dc23b41b961ba92d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6345e7114d5ffa36147d55c37c61a2f91fa97c958951fa2dc23b41b961ba92d7", kill_on_drop: false }`
[INFO] [stdout] 6345e7114d5ffa36147d55c37c61a2f91fa97c958951fa2dc23b41b961ba92d7