[INFO] crate http-file-headers 0.1.8 is already in cache
[INFO] extracting crate http-file-headers 0.1.8 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/http-file-headers/0.1.8
[INFO] extracting crate http-file-headers 0.1.8 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/http-file-headers/0.1.8
[INFO] validating manifest of http-file-headers-0.1.8 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of http-file-headers-0.1.8 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing http-file-headers-0.1.8
[INFO] finished frobbing http-file-headers-0.1.8
[INFO] frobbed toml for http-file-headers-0.1.8 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/http-file-headers/0.1.8/Cargo.toml
[INFO] started frobbing http-file-headers-0.1.8
[INFO] finished frobbing http-file-headers-0.1.8
[INFO] frobbed toml for http-file-headers-0.1.8 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/http-file-headers/0.1.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking http-file-headers-0.1.8 against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-3/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/http-file-headers/0.1.8:/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f9cf0aa962e5135a0d4e386b4bcd44153c9d2253b6a98328a329b5ff3f59b510
[INFO] running `"docker" "start" "-a" "f9cf0aa962e5135a0d4e386b4bcd44153c9d2253b6a98328a329b5ff3f59b510"`
[INFO] [stderr]     Checking digest-writer v0.3.1
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking tk-sendfile v0.4.0
[INFO] [stderr]     Checking http-file-headers v0.1.8 (/opt/crater/workdir)
[INFO] [stderr]     Checking tk-http v0.3.9
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]  --> src/etag.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use blake2::{Blake2b, Digest, digest::VariableOutput};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/etag.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         digest.variable_result(&mut value[..]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]  --> src/etag.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use blake2::{Blake2b, Digest, digest::VariableOutput};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/etag.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         digest.variable_result(&mut value[..]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> examples/serve_dir.rs:155:14
[INFO] [stderr]     |
[INFO] [stderr] 155 |             .trim_left_matches(|x| x == '/'));
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.41s
[INFO] running `"docker" "inspect" "f9cf0aa962e5135a0d4e386b4bcd44153c9d2253b6a98328a329b5ff3f59b510"`
[INFO] running `"docker" "rm" "-f" "f9cf0aa962e5135a0d4e386b4bcd44153c9d2253b6a98328a329b5ff3f59b510"`
[INFO] [stdout] f9cf0aa962e5135a0d4e386b4bcd44153c9d2253b6a98328a329b5ff3f59b510