[INFO] crate mtbl 0.2.1 is already in cache
[INFO] testing mtbl-0.2.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate mtbl 0.2.1 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate mtbl 0.2.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mtbl 0.2.1
[INFO] finished tweaking crates.io crate mtbl 0.2.1
[INFO] tweaked toml for crates.io crate mtbl 0.2.1 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 61c72abf5c0faa99be393a483525ec56613b6de3c1eed43409da985585a2e3ab
[INFO] running `"docker" "start" "-a" "61c72abf5c0faa99be393a483525ec56613b6de3c1eed43409da985585a2e3ab"`
[INFO] [stderr]    Compiling mtbl-sys v0.2.0
[INFO] [stderr]    Compiling mtbl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sorter.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |             try!(self.add(k.as_ref(), v.as_ref()));
[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/writer.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             try!(self.add(k.as_ref(), v.as_ref()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merger.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub type MergeFn = Fn(&[u8], &[u8], &[u8]) -> Vec<u8>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8], &[u8], &[u8]) -> Vec<u8>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merger.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     _sources: Vec<Box<Read>>,
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reader.rs:95:31
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl<'a> IntoIterator for &'a Read {
[INFO] [stderr]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:120:16
[INFO] [stderr]     |
[INFO] [stderr] 120 |     _file: Box<AsRawFd>,
[INFO] [stderr]     |                ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "61c72abf5c0faa99be393a483525ec56613b6de3c1eed43409da985585a2e3ab"`
[INFO] running `"docker" "rm" "-f" "61c72abf5c0faa99be393a483525ec56613b6de3c1eed43409da985585a2e3ab"`
[INFO] [stdout] 61c72abf5c0faa99be393a483525ec56613b6de3c1eed43409da985585a2e3ab
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6a802cb5bcbe3a74a8466da2ee6101acb56bbb6b2f31e1761769f33b81f026a8
[INFO] running `"docker" "start" "-a" "6a802cb5bcbe3a74a8466da2ee6101acb56bbb6b2f31e1761769f33b81f026a8"`
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]    Compiling mtbl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sorter.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |             try!(self.add(k.as_ref(), v.as_ref()));
[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/writer.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             try!(self.add(k.as_ref(), v.as_ref()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merger.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub type MergeFn = Fn(&[u8], &[u8], &[u8]) -> Vec<u8>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8], &[u8], &[u8]) -> Vec<u8>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merger.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     _sources: Vec<Box<Read>>,
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reader.rs:95:31
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl<'a> IntoIterator for &'a Read {
[INFO] [stderr]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reader.rs:411:35
[INFO] [stderr]     |
[INFO] [stderr] 411 |         for (k, v) in &reader as &Read {
[INFO] [stderr]     |                                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:120:16
[INFO] [stderr]     |
[INFO] [stderr] 120 |     _file: Box<AsRawFd>,
[INFO] [stderr]     |                ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.mtbl.c5lqkd3x-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317" "/opt/rustwide/target/debug/deps/mtbl-816fbc76e5459317.12omfmblskbgle80.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/lz4-sys-867013d8c8e71fbf/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-333416314d364512.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-4e7423c6db5d181f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-794cd61d53274767.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-93936a2bba77ec06.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-7618b5c9c4d09931.rlib" "/opt/rustwide/target/debug/deps/libtempfile-666a08c6dfcd7428.rlib" "/opt/rustwide/target/debug/deps/librand-25aea7435ca545a1.rlib" "/opt/rustwide/target/debug/deps/librand-a866ea5e4ea209cb.rlib" "/opt/rustwide/target/debug/deps/libmtbl_sys-9f6e4ea0bb443a03.rlib" "/opt/rustwide/target/debug/deps/liblibc-9f7a5de25bd5699b.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-db812c66f862af4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e7871a21575d5ff7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-2f2c581bc0d759e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-36477394541292db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8b706b170c1272d8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-801dbb3043ccf581.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a32aa66ce6f72b21.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d00ea3bfb2bb6c00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d2c6ebe88c3e113c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-df74f62f6bb60621.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2170473575daeedb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1a08089bbddc4f51.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f8f562e5472ad5c3.rlib" "-Wl,-Bdynamic" "-lmtbl" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lmtbl
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `mtbl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6a802cb5bcbe3a74a8466da2ee6101acb56bbb6b2f31e1761769f33b81f026a8"`
[INFO] running `"docker" "rm" "-f" "6a802cb5bcbe3a74a8466da2ee6101acb56bbb6b2f31e1761769f33b81f026a8"`
[INFO] [stdout] 6a802cb5bcbe3a74a8466da2ee6101acb56bbb6b2f31e1761769f33b81f026a8