[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07c27a3d537c6cdcbbdaf0dd5df787e3bc776773
[INFO] testing ssiloti/snap-dedup against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiloti%2Fsnap-dedup" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ssiloti/snap-dedup on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-9/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ca065c17b0252f74d74548bc077167d7d4269a94e0662b23002336d3aa03ee6
[INFO] running `Command { std: "docker" "start" "-a" "3ca065c17b0252f74d74548bc077167d7d4269a94e0662b23002336d3aa03ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ca065c17b0252f74d74548bc077167d7d4269a94e0662b23002336d3aa03ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca065c17b0252f74d74548bc077167d7d4269a94e0662b23002336d3aa03ee6", kill_on_drop: false }`
[INFO] [stdout] 3ca065c17b0252f74d74548bc077167d7d4269a94e0662b23002336d3aa03ee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 109c68eab572777a5deb1a3be0d75bb88b2f370826f4e0fa21cfd8bc04572d88
[INFO] running `Command { std: "docker" "start" "-a" "109c68eab572777a5deb1a3be0d75bb88b2f370826f4e0fa21cfd8bc04572d88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling gcc v0.3.46
[INFO] [stderr]    Compiling bitflags v0.8.2
[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 item '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 item '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 item '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 item '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 item '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/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.snap_dedup.t8u8stke-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44" "/opt/rustwide/target/debug/deps/snap_dedup-4dde3c4cc0a72b44.jfidw0ev88nlj1b.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-b62c5e72ee5601a5/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libbtrfs-42df1fd862b13b68.rlib" "/opt/rustwide/target/debug/deps/libuuid-b6653b5f4049015f.rlib" "/opt/rustwide/target/debug/deps/libminilzo-a872a08c5c6df4ee.rlib" "/opt/rustwide/target/debug/deps/libminilzo_sys-be52e6aacb191c0d.rlib" "/opt/rustwide/target/debug/deps/libflate2-e7401aeec7d481a8.rlib" "/opt/rustwide/target/debug/deps/libminiz_sys-ddd58f91912c47b7.rlib" "/opt/rustwide/target/debug/deps/libcrc-9dbfe9471d2cec6e.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-280e248ee9239f3d.rlib" "/opt/rustwide/target/debug/deps/libioctl-4c7a42758f97229b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-3510a664f4e9cda2.rlib" "/opt/rustwide/target/debug/deps/liblibc-9bcf1148aa680602.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-llzo2" "-lz" "-llzo2" "-llzo2" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[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" "109c68eab572777a5deb1a3be0d75bb88b2f370826f4e0fa21cfd8bc04572d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109c68eab572777a5deb1a3be0d75bb88b2f370826f4e0fa21cfd8bc04572d88", kill_on_drop: false }`
[INFO] [stdout] 109c68eab572777a5deb1a3be0d75bb88b2f370826f4e0fa21cfd8bc04572d88