[INFO] fetching crate fat 0.0.2...
[INFO] extracting crate fat 0.0.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fat/0.0.2
[INFO] extracting crate fat 0.0.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fat/0.0.2
[INFO] validating manifest of fat-0.0.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fat-0.0.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fat-0.0.2
[INFO] finished frobbing fat-0.0.2
[INFO] frobbed toml for fat-0.0.2 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fat/0.0.2/Cargo.toml
[INFO] started frobbing fat-0.0.2
[INFO] finished frobbing fat-0.0.2
[INFO] frobbed toml for fat-0.0.2 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fat/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] building fat-0.0.2 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fat/0.0.2:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] c91680ce65caeab5845fa8a3417c8a09ed937164bded738a9605cd70c144a271
[INFO] running `"docker" "start" "-a" "c91680ce65caeab5845fa8a3417c8a09ed937164bded738a9605cd70c144a271"`
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling fat v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fetch_unicode_string`
[INFO] [stderr]   --> src/util.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | / pub(crate) fn fetch_unicode_string(
[INFO] [stderr] 84 | |     content: &[u8],
[INFO] [stderr] 85 | |     offset: usize,
[INFO] [stderr] 86 | |     max_length: usize,
[INFO] [stderr] ...  |
[INFO] [stderr] 97 | |     s
[INFO] [stderr] 98 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BRS`
[INFO] [stderr]  --> src/constants.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(crate) const BRS: [u8; 2] = [0x55, 0xAA];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "c91680ce65caeab5845fa8a3417c8a09ed937164bded738a9605cd70c144a271"`
[INFO] running `"docker" "rm" "-f" "c91680ce65caeab5845fa8a3417c8a09ed937164bded738a9605cd70c144a271"`
[INFO] [stdout] c91680ce65caeab5845fa8a3417c8a09ed937164bded738a9605cd70c144a271
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fat/0.0.2:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] cd1eb8083133baec05def748d00e19fea617f49144e96f5a4d0383c1e242d5cb
[INFO] running `"docker" "start" "-a" "cd1eb8083133baec05def748d00e19fea617f49144e96f5a4d0383c1e242d5cb"`
[INFO] [stderr]    Compiling fat v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fetch_unicode_string`
[INFO] [stderr]   --> src/util.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | / pub(crate) fn fetch_unicode_string(
[INFO] [stderr] 84 | |     content: &[u8],
[INFO] [stderr] 85 | |     offset: usize,
[INFO] [stderr] 86 | |     max_length: usize,
[INFO] [stderr] ...  |
[INFO] [stderr] 97 | |     s
[INFO] [stderr] 98 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BRS`
[INFO] [stderr]  --> src/constants.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(crate) const BRS: [u8; 2] = [0x55, 0xAA];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "cd1eb8083133baec05def748d00e19fea617f49144e96f5a4d0383c1e242d5cb"`
[INFO] running `"docker" "rm" "-f" "cd1eb8083133baec05def748d00e19fea617f49144e96f5a4d0383c1e242d5cb"`
[INFO] [stdout] cd1eb8083133baec05def748d00e19fea617f49144e96f5a4d0383c1e242d5cb