[INFO] updating cached repository https://github.com/ssiloti/snap-dedup
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiloti%2Fsnap-dedup" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ssiloti/snap-dedup on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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 /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ssiloti/snap-dedup already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf9ec61b75a6ea98ccee99d198234c1a3498e09b1a57d8c0d6b8cecb70d06210
[INFO] running `"docker" "start" "-a" "cf9ec61b75a6ea98ccee99d198234c1a3498e09b1a57d8c0d6b8cecb70d06210"`
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[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 7.28s
[INFO] running `"docker" "inspect" "cf9ec61b75a6ea98ccee99d198234c1a3498e09b1a57d8c0d6b8cecb70d06210"`
[INFO] running `"docker" "rm" "-f" "cf9ec61b75a6ea98ccee99d198234c1a3498e09b1a57d8c0d6b8cecb70d06210"`
[INFO] [stdout] cf9ec61b75a6ea98ccee99d198234c1a3498e09b1a57d8c0d6b8cecb70d06210