[INFO] updating cached repository asmuth/fhistory
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/asmuth/fhistory
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/asmuth/fhistory" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/asmuth/fhistory"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/asmuth/fhistory'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/asmuth/fhistory" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/asmuth/fhistory"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/asmuth/fhistory'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 957a241bca068bbc6a7e3b68e6fda3184b714777
[INFO] sha for GitHub repo asmuth/fhistory: 957a241bca068bbc6a7e3b68e6fda3184b714777
[INFO] validating manifest of asmuth/fhistory on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of asmuth/fhistory on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing asmuth/fhistory
[INFO] finished frobbing asmuth/fhistory
[INFO] frobbed toml for asmuth/fhistory written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/asmuth/fhistory/Cargo.toml
[INFO] started frobbing asmuth/fhistory
[INFO] finished frobbing asmuth/fhistory
[INFO] frobbed toml for asmuth/fhistory written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/asmuth/fhistory/Cargo.toml
[INFO] crate asmuth/fhistory already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking asmuth/fhistory against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-1/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/asmuth/fhistory:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1de2d32d883c670c23f1749d7c1d0f4a38b18edcae298f83f0421ecfbb5f55fb
[INFO] running `"docker" "start" "-a" "1de2d32d883c670c23f1749d7c1d0f4a38b18edcae298f83f0421ecfbb5f55fb"`
[INFO] [stderr]     Checking inflate v0.4.0
[INFO] [stderr]     Checking fhistory v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/op_index.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/op_index.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data_path_abs`
[INFO] [stderr]   --> src/op_acknowledge.rs:59:7
[INFO] [stderr]    |
[INFO] [stderr] 59 |   let data_path_abs = match fs::canonicalize(&data_path) {
[INFO] [stderr]    |       ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_data_path_abs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data_path_abs`
[INFO] [stderr]   --> src/op_acknowledge.rs:59:7
[INFO] [stderr]    |
[INFO] [stderr] 59 |   let data_path_abs = match fs::canonicalize(&data_path) {
[INFO] [stderr]    |       ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_data_path_abs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `list_files`
[INFO] [stderr]    --> src/index_diff.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub fn list_files(diffs: &IndexDiffList) -> Vec<PathBuf> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/op_index.rs:75:3
[INFO] [stderr]    |
[INFO] [stderr] 75 |   io::stdout().write(snapshot.unparse().as_bytes());
[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 `std::result::Result` that must be used
[INFO] [stderr]   --> src/prompt.rs:93:3
[INFO] [stderr]    |
[INFO] [stderr] 93 | /   writeln!(
[INFO] [stderr] 94 | |       &mut std::io::stderr(),
[INFO] [stderr] 95 | |       "Total Size: {} ({} files)",
[INFO] [stderr] 96 | |       format_bytecount(snap.total_size_bytes()),
[INFO] [stderr] 97 | |       snap.total_file_count());
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `list_files`
[INFO] [stderr]    --> src/index_diff.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub fn list_files(diffs: &IndexDiffList) -> Vec<PathBuf> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/op_index.rs:75:3
[INFO] [stderr]    |
[INFO] [stderr] 75 |   io::stdout().write(snapshot.unparse().as_bytes());
[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 `std::result::Result` that must be used
[INFO] [stderr]   --> src/prompt.rs:93:3
[INFO] [stderr]    |
[INFO] [stderr] 93 | /   writeln!(
[INFO] [stderr] 94 | |       &mut std::io::stderr(),
[INFO] [stderr] 95 | |       "Total Size: {} ({} files)",
[INFO] [stderr] 96 | |       format_bytecount(snap.total_size_bytes()),
[INFO] [stderr] 97 | |       snap.total_file_count());
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `"docker" "inspect" "1de2d32d883c670c23f1749d7c1d0f4a38b18edcae298f83f0421ecfbb5f55fb"`
[INFO] running `"docker" "rm" "-f" "1de2d32d883c670c23f1749d7c1d0f4a38b18edcae298f83f0421ecfbb5f55fb"`
[INFO] [stdout] 1de2d32d883c670c23f1749d7c1d0f4a38b18edcae298f83f0421ecfbb5f55fb