[INFO] cloning repository https://github.com/ssiloti/snap-dedup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ssiloti/snap-dedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiloti%2Fsnap-dedup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiloti%2Fsnap-dedup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07c27a3d537c6cdcbbdaf0dd5df787e3bc776773
[INFO] testing ssiloti/snap-dedup against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiloti%2Fsnap-dedup" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ssiloti/snap-dedup on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ssiloti/snap-dedup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5d1713c190619dff46d29757d46005da9926b5f21f0e1f4d1f0c070f04ed8eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b5d1713c190619dff46d29757d46005da9926b5f21f0e1f4d1f0c070f04ed8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5d1713c190619dff46d29757d46005da9926b5f21f0e1f4d1f0c070f04ed8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d1713c190619dff46d29757d46005da9926b5f21f0e1f4d1f0c070f04ed8eb", kill_on_drop: false }`
[INFO] [stdout] b5d1713c190619dff46d29757d46005da9926b5f21f0e1f4d1f0c070f04ed8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4801e1c59353e32292776a24868841d8f2039b274b87287afd5560a8e1cb0f68
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4801e1c59353e32292776a24868841d8f2039b274b87287afd5560a8e1cb0f68", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling gcc v0.3.46
[INFO] [stderr]    Compiling uuid v0.3.1
[INFO] [stderr]    Compiling crc v1.4.0
[INFO] [stderr]    Compiling minilzo-sys v0.1.0
[INFO] [stderr]    Compiling ioctl v0.3.3
[INFO] [stderr]    Compiling minilzo v0.1.2
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling flate2 v0.2.19
[INFO] [stderr]    Compiling btrfs v1.2.1
[INFO] [stderr]    Compiling snap-dedup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 42 |         try! (
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:59:3
[INFO] [stdout]    |
[INFO] [stdout] 59 |         try! (
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:136:3
[INFO] [stdout]     |
[INFO] [stdout] 136 |         try! (btrfs::deduplicate_range(source_file_descriptor.get_value(), &mut dedupe_range));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `btrfs::FileExtent`
[INFO] [stdout]  --> src/extent_scanner.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use btrfs::FileExtent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_groups::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use print_groups::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 io_error.description ())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_size_groups`
[INFO] [stdout]  --> src/print_groups.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn print_size_groups(groups: &HashMap<u64, FileGroup>)
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.snap_dedup.6j5w2zlv-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a" "/opt/rustwide/target/debug/deps/snap_dedup-1324513e61a2e27a.48zdllwqoruewkuy.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/miniz-sys-161255d8f2a9aeae/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libbtrfs-e3452a1ff5f71eea.rlib" "/opt/rustwide/target/debug/deps/libuuid-ef7a4b7fbfa8a923.rlib" "/opt/rustwide/target/debug/deps/libminilzo-9c3f32d7f84dc421.rlib" "/opt/rustwide/target/debug/deps/libminilzo_sys-ad6b927980b02f61.rlib" "/opt/rustwide/target/debug/deps/libflate2-72e5a6e4eea1c285.rlib" "/opt/rustwide/target/debug/deps/libminiz_sys-00c2d44c9156b122.rlib" "/opt/rustwide/target/debug/deps/libcrc-dc538eebbba789e3.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-6cd99bbe299abb0c.rlib" "/opt/rustwide/target/debug/deps/libioctl-e0dac16649f74e2c.rlib" "/opt/rustwide/target/debug/deps/libbitflags-0980070795787ea3.rlib" "/opt/rustwide/target/debug/deps/liblibc-53af1cdbc0fb1f0e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-llzo2" "-lz" "-llzo2" "-llzo2" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -llzo2
[INFO] [stdout]           /usr/bin/ld: cannot find -llzo2
[INFO] [stdout]           /usr/bin/ld: cannot find -llzo2
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snap-dedup`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4801e1c59353e32292776a24868841d8f2039b274b87287afd5560a8e1cb0f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4801e1c59353e32292776a24868841d8f2039b274b87287afd5560a8e1cb0f68", kill_on_drop: false }`
[INFO] [stdout] 4801e1c59353e32292776a24868841d8f2039b274b87287afd5560a8e1cb0f68