[INFO] fetching crate phc 0.1.0...
[INFO] extracting crate phc 0.1.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/phc/0.1.0
[INFO] extracting crate phc 0.1.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/phc/0.1.0
[INFO] validating manifest of phc-0.1.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of phc-0.1.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing phc-0.1.0
[INFO] finished frobbing phc-0.1.0
[INFO] frobbed toml for phc-0.1.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/phc/0.1.0/Cargo.toml
[INFO] started frobbing phc-0.1.0
[INFO] finished frobbing phc-0.1.0
[INFO] frobbed toml for phc-0.1.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/phc/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking phc-0.1.0 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-4/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/phc/0.1.0:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 422033e51a36725a7c691f34f09db3f347ab8a4d321d4b0c52a80650533051bf
[INFO] running `"docker" "start" "-a" "422033e51a36725a7c691f34f09db3f347ab8a4d321d4b0c52a80650533051bf"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Checking phc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `from_option`
[INFO] [stderr]   --> src/raw.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | /     pub(crate) fn from_option<T: Into<Salt>>(
[INFO] [stderr] 75 | |         salt_and_hash: Option<(T, Option<Vec<u8>>)>,
[INFO] [stderr] 76 | |     ) -> SaltAndHash {
[INFO] [stderr] 77 | |         use self::SaltAndHash::*;
[INFO] [stderr] ...  |
[INFO] [stderr] 85 | |         }
[INFO] [stderr] 86 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_parts`
[INFO] [stderr]    --> src/raw.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 | /     pub(crate) fn from_parts<T: Into<String>, U: Into<Vec<(String, String)>>>(
[INFO] [stderr] 106 | |         id: T,
[INFO] [stderr] 107 | |         params: U,
[INFO] [stderr] 108 | |         salt_and_hash: SaltAndHash,
[INFO] [stderr] ...   |
[INFO] [stderr] 114 | |         }
[INFO] [stderr] 115 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_option`
[INFO] [stderr]   --> src/raw.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | /     pub(crate) fn from_option<T: Into<Salt>>(
[INFO] [stderr] 75 | |         salt_and_hash: Option<(T, Option<Vec<u8>>)>,
[INFO] [stderr] 76 | |     ) -> SaltAndHash {
[INFO] [stderr] 77 | |         use self::SaltAndHash::*;
[INFO] [stderr] ...  |
[INFO] [stderr] 85 | |         }
[INFO] [stderr] 86 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_parts`
[INFO] [stderr]    --> src/raw.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 | /     pub(crate) fn from_parts<T: Into<String>, U: Into<Vec<(String, String)>>>(
[INFO] [stderr] 106 | |         id: T,
[INFO] [stderr] 107 | |         params: U,
[INFO] [stderr] 108 | |         salt_and_hash: SaltAndHash,
[INFO] [stderr] ...   |
[INFO] [stderr] 114 | |         }
[INFO] [stderr] 115 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "422033e51a36725a7c691f34f09db3f347ab8a4d321d4b0c52a80650533051bf"`
[INFO] running `"docker" "rm" "-f" "422033e51a36725a7c691f34f09db3f347ab8a4d321d4b0c52a80650533051bf"`
[INFO] [stdout] 422033e51a36725a7c691f34f09db3f347ab8a4d321d4b0c52a80650533051bf