[INFO] crate hegemon 0.1.0 is already in cache
[INFO] extracting crate hegemon 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/hegemon/0.1.0
[INFO] extracting crate hegemon 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hegemon/0.1.0
[INFO] validating manifest of hegemon-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hegemon-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hegemon-0.1.0
[INFO] finished frobbing hegemon-0.1.0
[INFO] frobbed toml for hegemon-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/hegemon/0.1.0/Cargo.toml
[INFO] started frobbing hegemon-0.1.0
[INFO] finished frobbing hegemon-0.1.0
[INFO] frobbed toml for hegemon-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hegemon/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hegemon-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hegemon/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b1fc8f40c0742c58b517045ab282b002f6ac8ccc570016e35b8e7d46d4be4dfe
[INFO] running `"docker" "start" "-a" "b1fc8f40c0742c58b517045ab282b002f6ac8ccc570016e35b8e7d46d4be4dfe"`
[INFO] [stderr]    Compiling libsensors-sys v0.2.0
[INFO] [stderr]    Compiling bytesize v0.1.3
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling systemstat v0.1.4
[INFO] [stderr]    Compiling sensors v0.2.1
[INFO] [stderr]    Compiling chan-signal v0.3.3
[INFO] [stderr]    Compiling hegemon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stream.rs:24:34
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn streams(&self) -> Vec<Box<Stream>>;
[INFO] [stderr]    |                                  ^^^^^^ help: use `dyn`: `dyn Stream`
[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/stream.rs:66:6
[INFO] [stderr]    |
[INFO] [stderr] 66 | impl Stream {
[INFO] [stderr]    |      ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stream.rs:77:14
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ) -> Box<Stream> {
[INFO] [stderr]    |              ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stream.rs:117:16
[INFO] [stderr]     |
[INFO] [stderr] 117 |     value: Box<FnMut() -> Option<f64>>,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> Option<f64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stream.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |     format: Box<Fn(f64, &Theme) -> String>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, &Theme) -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/terminal.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |     wrapper: Box<Write>,
[INFO] [stderr]    |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:41:62
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new(width: usize, height: usize, streams: Vec<Box<Stream>>) -> Self {
[INFO] [stderr]    |                                                              ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/model.rs:277:21
[INFO] [stderr]     |
[INFO] [stderr] 277 |     pub stream: Box<Stream>,
[INFO] [stderr]     |                     ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/model.rs:284:24
[INFO] [stderr]     |
[INFO] [stderr] 284 |     fn new(stream: Box<Stream>) -> Self {
[INFO] [stderr]     |                        ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/providers/cpu.rs:27:34
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn streams(&self) -> Vec<Box<Stream>> {
[INFO] [stderr]    |                                  ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/providers/memory.rs:28:34
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn streams(&self) -> Vec<Box<Stream>> {
[INFO] [stderr]    |                                  ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/providers/temperature.rs:26:34
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn streams(&self) -> Vec<Box<Stream>> {
[INFO] [stderr]    |                                  ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/providers/fan.rs:27:34
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn streams(&self) -> Vec<Box<Stream>> {
[INFO] [stderr]    |                                  ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/providers/mod.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn streams() -> Vec<Box<Stream>> {
[INFO] [stderr]    |                             ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/providers/mod.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let providers: Vec<Box<StreamProvider>> = vec![
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn StreamProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `wrapper`
[INFO] [stderr]   --> src/terminal.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     wrapper: Box<Write>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[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/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.hegemon.cgyqlouv-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516" "/opt/crater/target/debug/deps/hegemon-cdc890710df93516.k7legofexkteuyd.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libsensors-5363a700d7dadc17.rlib" "/opt/crater/target/debug/deps/liblibsensors_sys-151491a0cf78b09b.rlib" "/opt/crater/target/debug/deps/libsystemstat-9cac686a2d6a10e9.rlib" "/opt/crater/target/debug/deps/libnom-3f9b8db205700a3d.rlib" "/opt/crater/target/debug/deps/libmemchr-b70d6f76aee93740.rlib" "/opt/crater/target/debug/deps/libbytesize-55b2bed5b4f6b04d.rlib" "/opt/crater/target/debug/deps/libchrono-249b7da8a4b9fe5f.rlib" "/opt/crater/target/debug/deps/libnum_integer-283a7abc0f1061b4.rlib" "/opt/crater/target/debug/deps/libnum_traits-834021e24a52ff2b.rlib" "/opt/crater/target/debug/deps/libtime-a2447ad2256b4e7d.rlib" "/opt/crater/target/debug/deps/libtermion-f28099efc3512210.rlib" "/opt/crater/target/debug/deps/libnumtoa-1e93c1d9049a706b.rlib" "/opt/crater/target/debug/deps/libregex-3f288169bf5fc935.rlib" "/opt/crater/target/debug/deps/libregex_syntax-74b9e606898eafee.rlib" "/opt/crater/target/debug/deps/libthread_local-1801494cfc15e4c0.rlib" "/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib" "/opt/crater/target/debug/deps/libaho_corasick-05f4d1fa22c64ffe.rlib" "/opt/crater/target/debug/deps/libmemchr-5970d48417368191.rlib" "/opt/crater/target/debug/deps/libchan_signal-3c9e05d46017c38c.rlib" "/opt/crater/target/debug/deps/liblazy_static-0c9d1899e9eae559.rlib" "/opt/crater/target/debug/deps/libbit_set-699c5335002e92cb.rlib" "/opt/crater/target/debug/deps/libbit_vec-c2dab6a812d6e277.rlib" "/opt/crater/target/debug/deps/libchan-66c53842d4ffc2ec.rlib" "/opt/crater/target/debug/deps/librand-0fd762944201ad46.rlib" "/opt/crater/target/debug/deps/librand-9648c01cc953f6b3.rlib" "/opt/crater/target/debug/deps/liblibc-ebe601a73b832055.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lsensors" "-lc" "-lc" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lsensors
[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 `hegemon`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b1fc8f40c0742c58b517045ab282b002f6ac8ccc570016e35b8e7d46d4be4dfe"`
[INFO] running `"docker" "rm" "-f" "b1fc8f40c0742c58b517045ab282b002f6ac8ccc570016e35b8e7d46d4be4dfe"`
[INFO] [stdout] b1fc8f40c0742c58b517045ab282b002f6ac8ccc570016e35b8e7d46d4be4dfe