[INFO] crate honestintervals 0.2.0 is already in cache
[INFO] extracting crate honestintervals 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/honestintervals/0.2.0
[INFO] extracting crate honestintervals 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/honestintervals/0.2.0
[INFO] validating manifest of honestintervals-0.2.0 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 honestintervals-0.2.0 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 honestintervals-0.2.0
[INFO] finished frobbing honestintervals-0.2.0
[INFO] frobbed toml for honestintervals-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/honestintervals/0.2.0/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 honestintervals-0.2.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 97a094b5fd2b5b499b35cd020690458af4f651c9bc538d1fa5b60224aecb8b2c
[INFO] running `"docker" "start" "-a" "97a094b5fd2b5b499b35cd020690458af4f651c9bc538d1fa5b60224aecb8b2c"`
[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 0.62s
[INFO] running `"docker" "inspect" "97a094b5fd2b5b499b35cd020690458af4f651c9bc538d1fa5b60224aecb8b2c"`
[INFO] running `"docker" "rm" "-f" "97a094b5fd2b5b499b35cd020690458af4f651c9bc538d1fa5b60224aecb8b2c"`
[INFO] [stdout] 97a094b5fd2b5b499b35cd020690458af4f651c9bc538d1fa5b60224aecb8b2c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 560484ec91efe3fee1c3a5f453f3d246452207795759f351c2ab10ca4aea7125
[INFO] running `"docker" "start" "-a" "560484ec91efe3fee1c3a5f453f3d246452207795759f351c2ab10ca4aea7125"`
[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-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.honestintervals.apjn7832-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb" "/opt/crater/target/debug/deps/honestintervals-f9fbe6dbbcbcbdeb.1504ataul2bxa6im.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lmpfr" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-f0d86b2ef6410e4f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-28a84d78fba0104f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-625008d0a6744ece.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-b85c11af396739da.rlib" "/opt/crater/target/debug/deps/liblibc-37f3d1c853b3b7bd.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.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" "560484ec91efe3fee1c3a5f453f3d246452207795759f351c2ab10ca4aea7125"`
[INFO] running `"docker" "rm" "-f" "560484ec91efe3fee1c3a5f453f3d246452207795759f351c2ab10ca4aea7125"`
[INFO] [stdout] 560484ec91efe3fee1c3a5f453f3d246452207795759f351c2ab10ca4aea7125