[INFO] crate mtbl 0.2.1 is already in cache
[INFO] testing mtbl-0.2.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate mtbl 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mtbl 0.2.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7c90c10a003b8b4daafda6a88ea618f9d7bb2776b666deca4e9b77ad75dd831
[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" "c7c90c10a003b8b4daafda6a88ea618f9d7bb2776b666deca4e9b77ad75dd831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7c90c10a003b8b4daafda6a88ea618f9d7bb2776b666deca4e9b77ad75dd831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c90c10a003b8b4daafda6a88ea618f9d7bb2776b666deca4e9b77ad75dd831", kill_on_drop: false }`
[INFO] [stdout] c7c90c10a003b8b4daafda6a88ea618f9d7bb2776b666deca4e9b77ad75dd831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04a0efacb9bc44b5b504cd1554bb6984cb3a59f1f7da0b23261de3ee3fa9dc71
[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" "04a0efacb9bc44b5b504cd1554bb6984cb3a59f1f7da0b23261de3ee3fa9dc71", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtbl-sys v0.2.0
[INFO] [stderr]    Compiling mtbl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/sorter.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |             try!(self.add(k.as_ref(), v.as_ref()));
[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/writer.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             try!(self.add(k.as_ref(), v.as_ref()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/merger.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type MergeFn = Fn(&[u8], &[u8], &[u8]) -> Vec<u8>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8], &[u8], &[u8]) -> Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/merger.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     _sources: Vec<Box<Read>>,
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:95:31
[INFO] [stdout]    |
[INFO] [stdout] 95 | impl<'a> IntoIterator for &'a Read {
[INFO] [stdout]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 |     _file: Box<AsRawFd>,
[INFO] [stdout]     |                ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "04a0efacb9bc44b5b504cd1554bb6984cb3a59f1f7da0b23261de3ee3fa9dc71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a0efacb9bc44b5b504cd1554bb6984cb3a59f1f7da0b23261de3ee3fa9dc71", kill_on_drop: false }`
[INFO] [stdout] 04a0efacb9bc44b5b504cd1554bb6984cb3a59f1f7da0b23261de3ee3fa9dc71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20b92a9c9c46a8ac8010b125b31bc3c6f316c652688c3d2e57dc8f29924f3b18
[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" "20b92a9c9c46a8ac8010b125b31bc3c6f316c652688c3d2e57dc8f29924f3b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling lz4 v1.23.2
[INFO] [stderr]    Compiling mtbl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/sorter.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |             try!(self.add(k.as_ref(), v.as_ref()));
[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/writer.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             try!(self.add(k.as_ref(), v.as_ref()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/merger.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type MergeFn = Fn(&[u8], &[u8], &[u8]) -> Vec<u8>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8], &[u8], &[u8]) -> Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/merger.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     _sources: Vec<Box<Read>>,
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:95:31
[INFO] [stdout]    |
[INFO] [stdout] 95 | impl<'a> IntoIterator for &'a Read {
[INFO] [stdout]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:411:35
[INFO] [stdout]     |
[INFO] [stdout] 411 |         for (k, v) in &reader as &Read {
[INFO] [stdout]     |                                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/writer.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 |     _file: Box<AsRawFd>,
[INFO] [stdout]     |                ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[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/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.mtbl.6w95locp-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b" "/opt/rustwide/target/debug/deps/mtbl-4f46f51ceef8d96b.45c0mnrzr7fzuq97.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-e6effe6a48627682/out" "-L" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-6805c615af620a51.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-975e251edec7895a.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-fa89c22811cbba70.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-8e79a065fef863f3.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-a68d66da01a6ed2b.rlib" "/opt/rustwide/target/debug/deps/libtempfile-4eff76d89f3145b1.rlib" "/opt/rustwide/target/debug/deps/librand-ca675ff550642e1c.rlib" "/opt/rustwide/target/debug/deps/librand-c5727a6373d97595.rlib" "/opt/rustwide/target/debug/deps/libmtbl_sys-a91b5d11a94c17b5.rlib" "/opt/rustwide/target/debug/deps/liblibc-e834449672905d13.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-4d6da34bc177af8d.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-10e0d6c948699482.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c2318e2415657781.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-3815b93ed84badbb.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-d7999143d95238cb.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c58298a0d40df8b8.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b7de97e2ba6fb4e2.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f71c9f654d72cce.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-95ea48ddc44a311b.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-7402cd4761aebc14.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-68f423c59dc48a40.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-54580c7798bf2225.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95a4d456339b7385.rlib" "-Wl,-Bdynamic" "-lmtbl" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lmtbl
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mtbl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "20b92a9c9c46a8ac8010b125b31bc3c6f316c652688c3d2e57dc8f29924f3b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b92a9c9c46a8ac8010b125b31bc3c6f316c652688c3d2e57dc8f29924f3b18", kill_on_drop: false }`
[INFO] [stdout] 20b92a9c9c46a8ac8010b125b31bc3c6f316c652688c3d2e57dc8f29924f3b18