[INFO] crate mtbl 0.2.1 is already in cache
[INFO] testing mtbl-0.2.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate mtbl 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mtbl 0.2.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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 /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb9b5b5a094c40e599c51095cb3434ea0188859b99581d0c466bb8d427369620
[INFO] running `"docker" "start" "-a" "bb9b5b5a094c40e599c51095cb3434ea0188859b99581d0c466bb8d427369620"`
[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] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "bb9b5b5a094c40e599c51095cb3434ea0188859b99581d0c466bb8d427369620"`
[INFO] running `"docker" "rm" "-f" "bb9b5b5a094c40e599c51095cb3434ea0188859b99581d0c466bb8d427369620"`
[INFO] [stdout] bb9b5b5a094c40e599c51095cb3434ea0188859b99581d0c466bb8d427369620
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 53f9209f958a7eecc8865ce862fe31ce17331edc063e8a6b7e6bc91e8300bc08
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "53f9209f958a7eecc8865ce862fe31ce17331edc063e8a6b7e6bc91e8300bc08"`
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[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/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.mtbl.1mtuj4jx-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8" "/opt/rustwide/target/debug/deps/mtbl-f64b00e935ff50e8.1tz56p8afesafmz3.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-df773b0b7a35a580/out" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-a6274e2eaafd361e.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-2c85f64fb49c1603.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-ed84df1a106a13ed.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-e159833bdb71170b.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-5f1c8c824853fda4.rlib" "/opt/rustwide/target/debug/deps/libtempfile-1f089bd9ee91dbbb.rlib" "/opt/rustwide/target/debug/deps/librand-c361fc138ff86d08.rlib" "/opt/rustwide/target/debug/deps/librand-e5de54040a037534.rlib" "/opt/rustwide/target/debug/deps/libmtbl_sys-3bd6ec46dc1c1bf3.rlib" "/opt/rustwide/target/debug/deps/liblibc-7f3b8e4c2db2a8d8.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-62f93208e14fa8f0.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b2c4dbe979cef5e2.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-8b9b66cb3e9f891d.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5998b08bf29f56ac.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-efd1670396ccb585.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6435b9209e888961.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-866e5dfb603b34d2.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-75eac3089695b3b4.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-35744537b4825584.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-f7ee5081d96fb2cd.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-5b28479cb639d76c.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f827473dd3b319fa.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-53f9c299c549c6a9.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-44132fbb3fcc18d3.rlib" "-Wl,-Bdynamic" "-lmtbl" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-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; 7 warnings emitted
[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" "53f9209f958a7eecc8865ce862fe31ce17331edc063e8a6b7e6bc91e8300bc08"`
[INFO] running `"docker" "rm" "-f" "53f9209f958a7eecc8865ce862fe31ce17331edc063e8a6b7e6bc91e8300bc08"`
[INFO] [stdout] 53f9209f958a7eecc8865ce862fe31ce17331edc063e8a6b7e6bc91e8300bc08