[INFO] crate honestintervals 0.2.0 is already in cache
[INFO] extracting crate honestintervals 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/honestintervals/0.2.0
[INFO] extracting crate honestintervals 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/honestintervals/0.2.0
[INFO] validating manifest of honestintervals-0.2.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of honestintervals-0.2.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing honestintervals-0.2.0
[INFO] finished frobbing honestintervals-0.2.0
[INFO] frobbed toml for honestintervals-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/honestintervals/0.2.0/Cargo.toml
[INFO] started frobbing honestintervals-0.2.0
[INFO] finished frobbing honestintervals-0.2.0
[INFO] frobbed toml for honestintervals-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/honestintervals/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing honestintervals-0.2.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/honestintervals/0.2.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 31659e7eb7c7a8eb80ef96c0be75ce78d0e39d58550c0ab4f7b9cc0c4d21bd3b
[INFO] running `"docker" "start" "-a" "31659e7eb7c7a8eb80ef96c0be75ce78d0e39d58550c0ab4f7b9cc0c4d21bd3b"`
[INFO] [stderr]    Compiling honestintervals v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/interval/impl_basic.rs:128:23
[INFO] [stderr]     |
[INFO] [stderr] 128 |             let s = s.trim_left_matches('<').trim_left();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/interval/impl_basic.rs:128:46
[INFO] [stderr]     |
[INFO] [stderr] 128 |             let s = s.trim_left_matches('<').trim_left();
[INFO] [stderr]     |                                              ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/interval/impl_basic.rs:130:23
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let s = s.trim_right_matches('>').trim_right();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/interval/impl_basic.rs:130:47
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let s = s.trim_right_matches('>').trim_right();
[INFO] [stderr]     |                                               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/intervalset/impl_basic.rs:116:23
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let s = s.trim_left_matches('{').trim_left();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/intervalset/impl_basic.rs:116:46
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let s = s.trim_left_matches('{').trim_left();
[INFO] [stderr]     |                                              ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/intervalset/impl_basic.rs:118:23
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let s = s.trim_right_matches('}').trim_right();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/intervalset/impl_basic.rs:118:47
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let s = s.trim_right_matches('}').trim_right();
[INFO] [stderr]     |                                               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "31659e7eb7c7a8eb80ef96c0be75ce78d0e39d58550c0ab4f7b9cc0c4d21bd3b"`
[INFO] running `"docker" "rm" "-f" "31659e7eb7c7a8eb80ef96c0be75ce78d0e39d58550c0ab4f7b9cc0c4d21bd3b"`
[INFO] [stdout] 31659e7eb7c7a8eb80ef96c0be75ce78d0e39d58550c0ab4f7b9cc0c4d21bd3b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/honestintervals/0.2.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 526fd37dbaa22d48b298d0edf5d886b1b0dee1b00e47c584081725e061b67812
[INFO] running `"docker" "start" "-a" "526fd37dbaa22d48b298d0edf5d886b1b0dee1b00e47c584081725e061b67812"`
[INFO] [stderr]    Compiling honestintervals v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/intervalset/tests.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / macro_rules! iv {
[INFO] [stderr] 20 | |     ($s:expr) => { IV::from_str_with_prec($s, PREC).unwrap() }
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/interval/impl_basic.rs:128:23
[INFO] [stderr]     |
[INFO] [stderr] 128 |             let s = s.trim_left_matches('<').trim_left();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/interval/impl_basic.rs:128:46
[INFO] [stderr]     |
[INFO] [stderr] 128 |             let s = s.trim_left_matches('<').trim_left();
[INFO] [stderr]     |                                              ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/interval/impl_basic.rs:130:23
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let s = s.trim_right_matches('>').trim_right();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/interval/impl_basic.rs:130:47
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let s = s.trim_right_matches('>').trim_right();
[INFO] [stderr]     |                                               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/intervalset/impl_basic.rs:116:23
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let s = s.trim_left_matches('{').trim_left();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/intervalset/impl_basic.rs:116:46
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let s = s.trim_left_matches('{').trim_left();
[INFO] [stderr]     |                                              ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/intervalset/impl_basic.rs:118:23
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let s = s.trim_right_matches('}').trim_right();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/intervalset/impl_basic.rs:118:47
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let s = s.trim_right_matches('}').trim_right();
[INFO] [stderr]     |                                               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[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/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.honestintervals.eg1wyee0-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7" "/opt/crater/target/debug/deps/honestintervals-9c823cb8da30b0e7.4qtscgfais3dxagz.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lmpfr" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-7d9df032c0eb8a14.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-77300aa0d630d98f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-4d48ca12b265d456.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-8869eee15acf0f54.rlib" "/opt/crater/target/debug/deps/liblibc-15b143653abd1ffe.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lmpfr
[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 `honestintervals`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "526fd37dbaa22d48b298d0edf5d886b1b0dee1b00e47c584081725e061b67812"`
[INFO] running `"docker" "rm" "-f" "526fd37dbaa22d48b298d0edf5d886b1b0dee1b00e47c584081725e061b67812"`
[INFO] [stdout] 526fd37dbaa22d48b298d0edf5d886b1b0dee1b00e47c584081725e061b67812