[INFO] updating cached repository https://github.com/ssiloti/snap-dedup
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07c27a3d537c6cdcbbdaf0dd5df787e3bc776773
[INFO] checking ssiloti/snap-dedup against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiloti%2Fsnap-dedup" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ssiloti/snap-dedup on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ssiloti/snap-dedup
[INFO] finished tweaking git repo https://github.com/ssiloti/snap-dedup
[INFO] tweaked toml for git repo https://github.com/ssiloti/snap-dedup written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ssiloti/snap-dedup already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3b2fe568de7f30eae614aa98670935dc6a71fe1817f23647b7b92a8a036c2e10
[INFO] running `"docker" "start" "-a" "3b2fe568de7f30eae614aa98670935dc6a71fe1817f23647b7b92a8a036c2e10"`
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]     Checking ioctl v0.3.3
[INFO] [stderr]     Checking minilzo v0.1.2
[INFO] [stderr]     Checking flate2 v0.2.19
[INFO] [stderr]     Checking btrfs v1.2.1
[INFO] [stderr]     Checking snap-dedup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:42:3
[INFO] [stderr]    |
[INFO] [stderr] 42 |         try! (
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |         try! (
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 |             try! (
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:136:3
[INFO] [stderr]     |
[INFO] [stderr] 136 |         try! (btrfs::deduplicate_range(source_file_descriptor.get_value(), &mut dedupe_range));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `btrfs::FileExtent`
[INFO] [stderr]  --> src/extent_scanner.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use btrfs::FileExtent;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `print_groups::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use print_groups::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:42:3
[INFO] [stderr]    |
[INFO] [stderr] 42 |         try! (
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |         try! (
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 |             try! (
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:136:3
[INFO] [stderr]     |
[INFO] [stderr] 136 |         try! (btrfs::deduplicate_range(source_file_descriptor.get_value(), &mut dedupe_range));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `btrfs::FileExtent`
[INFO] [stderr]  --> src/extent_scanner.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use btrfs::FileExtent;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `print_groups::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use print_groups::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_size_groups`
[INFO] [stderr]  --> src/print_groups.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn print_size_groups(groups: &HashMap<u64, FileGroup>)
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_size_groups`
[INFO] [stderr]  --> src/print_groups.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn print_size_groups(groups: &HashMap<u64, FileGroup>)
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.80s
[INFO] running `"docker" "inspect" "3b2fe568de7f30eae614aa98670935dc6a71fe1817f23647b7b92a8a036c2e10"`
[INFO] running `"docker" "rm" "-f" "3b2fe568de7f30eae614aa98670935dc6a71fe1817f23647b7b92a8a036c2e10"`
[INFO] [stdout] 3b2fe568de7f30eae614aa98670935dc6a71fe1817f23647b7b92a8a036c2e10