[INFO] crate h2 0.1.14 is already in cache
[INFO] extracting crate h2 0.1.14 into work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/h2/0.1.14
[INFO] extracting crate h2 0.1.14 into work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/h2/0.1.14
[INFO] validating manifest of h2-0.1.14 on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of h2-0.1.14 on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing h2-0.1.14
[INFO] finished frobbing h2-0.1.14
[INFO] frobbed toml for h2-0.1.14 written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/h2/0.1.14/Cargo.toml
[INFO] started frobbing h2-0.1.14
[INFO] finished frobbing h2-0.1.14
[INFO] frobbed toml for h2-0.1.14 written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/h2/0.1.14/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking h2-0.1.14 against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-7/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/h2/0.1.14:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c06f9ebc26146a3c2c9f1417e5e47143f472c3ba08d7f6b50787caa62caf4243
[INFO] running `"docker" "start" "-a" "c06f9ebc26146a3c2c9f1417e5e47143f472c3ba08d7f6b50787caa62caf4243"`
[INFO] [stderr]     Checking sct v0.3.0
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr]     Checking webpki-roots v0.14.0
[INFO] [stderr]     Checking h2 v0.1.14 (/opt/crater/workdir)
[INFO] [stderr]     Checking rustls v0.12.0
[INFO] [stderr] warning: constant item is never used: `ALL`
[INFO] [stderr]    --> src/frame/headers.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | const ALL: u8 = END_STREAM | END_HEADERS | PADDED | PRIORITY;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]    --> src/frame/headers.rs:611:5
[INFO] [stderr]     |
[INFO] [stderr] 611 |     pub fn empty() -> HeadersFlag {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load`
[INFO] [stderr]    --> src/frame/headers.rs:615:5
[INFO] [stderr]     |
[INFO] [stderr] 615 |     pub fn load(bits: u8) -> HeadersFlag {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]    --> src/frame/headers.rs:671:5
[INFO] [stderr]     |
[INFO] [stderr] 671 |     pub fn empty() -> PushPromiseFlag {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load`
[INFO] [stderr]    --> src/frame/headers.rs:675:5
[INFO] [stderr]     |
[INFO] [stderr] 675 |     pub fn load(bits: u8) -> PushPromiseFlag {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]    --> src/frame/settings.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     pub fn empty() -> SettingsFlags {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking tokio-rustls v0.5.0
[INFO] [stderr] error: constant item is never used: `ALL`
[INFO] [stderr]    --> src/frame/headers.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | const ALL: u8 = END_STREAM | END_HEADERS | PADDED | PRIORITY;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:89:24
[INFO] [stderr]     |
[INFO] [stderr] 89  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: #[deny(dead_code)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: method is never used: `empty`
[INFO] [stderr]    --> src/frame/headers.rs:611:5
[INFO] [stderr]     |
[INFO] [stderr] 611 |     pub fn empty() -> HeadersFlag {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: method is never used: `load`
[INFO] [stderr]    --> src/frame/headers.rs:615:5
[INFO] [stderr]     |
[INFO] [stderr] 615 |     pub fn load(bits: u8) -> HeadersFlag {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: method is never used: `empty`
[INFO] [stderr]    --> src/frame/headers.rs:671:5
[INFO] [stderr]     |
[INFO] [stderr] 671 |     pub fn empty() -> PushPromiseFlag {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: method is never used: `load`
[INFO] [stderr]    --> src/frame/headers.rs:675:5
[INFO] [stderr]     |
[INFO] [stderr] 675 |     pub fn load(bits: u8) -> PushPromiseFlag {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: method is never used: `empty`
[INFO] [stderr]    --> src/frame/settings.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     pub fn empty() -> SettingsFlags {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `h2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c06f9ebc26146a3c2c9f1417e5e47143f472c3ba08d7f6b50787caa62caf4243"`
[INFO] running `"docker" "rm" "-f" "c06f9ebc26146a3c2c9f1417e5e47143f472c3ba08d7f6b50787caa62caf4243"`
[INFO] [stdout] c06f9ebc26146a3c2c9f1417e5e47143f472c3ba08d7f6b50787caa62caf4243