[INFO] crate meson 1.0.0 is already in cache
[INFO] extracting crate meson 1.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/meson/1.0.0
[INFO] extracting crate meson 1.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/meson/1.0.0
[INFO] validating manifest of meson-1.0.0 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 meson-1.0.0 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 meson-1.0.0
[INFO] finished frobbing meson-1.0.0
[INFO] frobbed toml for meson-1.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/meson/1.0.0/Cargo.toml
[INFO] started frobbing meson-1.0.0
[INFO] finished frobbing meson-1.0.0
[INFO] frobbed toml for meson-1.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/meson/1.0.0/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 meson-1.0.0 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-7/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/meson/1.0.0:/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] 0ebd2d53947070b0ec9a03f1d6e7e70d1a6179a0622a5ab8a4321737817cedac
[INFO] running `"docker" "start" "-a" "0ebd2d53947070b0ec9a03f1d6e7e70d1a6179a0622a5ab8a4321737817cedac"`
[INFO] [stderr]    Compiling meson v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "0ebd2d53947070b0ec9a03f1d6e7e70d1a6179a0622a5ab8a4321737817cedac"`
[INFO] running `"docker" "rm" "-f" "0ebd2d53947070b0ec9a03f1d6e7e70d1a6179a0622a5ab8a4321737817cedac"`
[INFO] [stdout] 0ebd2d53947070b0ec9a03f1d6e7e70d1a6179a0622a5ab8a4321737817cedac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/meson/1.0.0:/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] 9841f4606ff751893574f79ac46bc978228b2d9ed7347d9c7fc2b770dd8cb4ac
[INFO] running `"docker" "start" "-a" "9841f4606ff751893574f79ac46bc978228b2d9ed7347d9c7fc2b770dd8cb4ac"`
[INFO] [stderr]    Compiling meson v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "9841f4606ff751893574f79ac46bc978228b2d9ed7347d9c7fc2b770dd8cb4ac"`
[INFO] running `"docker" "rm" "-f" "9841f4606ff751893574f79ac46bc978228b2d9ed7347d9c7fc2b770dd8cb4ac"`
[INFO] [stdout] 9841f4606ff751893574f79ac46bc978228b2d9ed7347d9c7fc2b770dd8cb4ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/meson/1.0.0:/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"`
[INFO] [stdout] b080410099620adcf9479d0a3b2639bb0a89dfd83a8a1d0c2fd3d4937078c885
[INFO] running `"docker" "start" "-a" "b080410099620adcf9479d0a3b2639bb0a89dfd83a8a1d0c2fd3d4937078c885"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/meson-828c0ce92e19d026
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests meson
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 17) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 17) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: NotPresent', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5643db9e27cb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x5643db9e27cb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5643db9e27cb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x5643db9e27cb - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x5643db9e27cb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x5643db9e24a7 - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]    6:     0x5643db9e2e90 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x5643db9e2a12 - std::panicking::continue_panic_fmt::h0046167652be99a6
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x5643db9e28f6 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x5643db9fb67d - core::panicking::panic_fmt::h8980489a6c4a44cb
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x5643db9cdca8 - core::result::unwrap_failed::h66418e791a1aed93
[INFO] [stdout]   11:     0x5643db9cddac - core::result::Result<T,E>::unwrap::hcd562b2e5aac2a5f
[INFO] [stdout]   12:     0x5643db9ce056 - rust_out::main::h1cf9155cb6204ee7
[INFO] [stdout]   13:     0x5643db9ce2d3 - std::rt::lang_start::{{closure}}::hcae6cf720578140e
[INFO] [stdout]   14:     0x5643db9e28e3 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418
[INFO] [stdout]                                at src/libstd/rt.rs:49
[INFO] [stdout]   15:     0x5643db9e28e3 - std::panicking::try::do_call::h480cafa68c9928b4
[INFO] [stdout]                                at src/libstd/panicking.rs:296
[INFO] [stdout]   16:     0x5643db9e8cfa - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17:     0x5643db9e339d - std::panicking::try::he0549d0299de204a
[INFO] [stdout]                                at src/libstd/panicking.rs:275
[INFO] [stdout]   18:     0x5643db9e339d - std::panic::catch_unwind::h422dc2db98f03517
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   19:     0x5643db9e339d - std::rt::lang_start_internal::h121de03325a3f900
[INFO] [stdout]                                at src/libstd/rt.rs:48
[INFO] [stdout]   20:     0x5643db9ce2b5 - std::rt::lang_start::hf87e2ef1856a065b
[INFO] [stdout]   21:     0x5643db9ce26b - main
[INFO] [stdout]   22:     0x7f9dc04e92e1 - __libc_start_main
[INFO] [stdout]   23:     0x5643db9cd9ea - _start
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 17)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "b080410099620adcf9479d0a3b2639bb0a89dfd83a8a1d0c2fd3d4937078c885"`
[INFO] running `"docker" "rm" "-f" "b080410099620adcf9479d0a3b2639bb0a89dfd83a8a1d0c2fd3d4937078c885"`
[INFO] [stdout] b080410099620adcf9479d0a3b2639bb0a89dfd83a8a1d0c2fd3d4937078c885