[INFO] crate grin 0.4.2 is already in cache
[INFO] crate source directory work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/reg/grin/0.4.2 already exists, cleaning it up
[INFO] extracting crate grin 0.4.2 into work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/reg/grin/0.4.2
[INFO] crate source directory work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/reg/grin/0.4.2 already exists, cleaning it up
[INFO] extracting crate grin 0.4.2 into work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/reg/grin/0.4.2
[INFO] validating manifest of grin-0.4.2 on toolchain master#df25d79a33b0c82b716699a75a41bfdc6089850a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grin-0.4.2 on toolchain try#424a4ae163d6517f301cd4048a4b5dd785be5b2f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing grin-0.4.2
[INFO] finished frobbing grin-0.4.2
[INFO] frobbed toml for grin-0.4.2 written to work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/reg/grin/0.4.2/Cargo.toml
[INFO] started frobbing grin-0.4.2
[INFO] finished frobbing grin-0.4.2
[INFO] frobbed toml for grin-0.4.2 written to work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/reg/grin/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking grin-0.4.2 against try#424a4ae163d6517f301cd4048a4b5dd785be5b2f for pr-59928
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-59928/worker-2/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/reg/grin/0.4.2:/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=forbid" "-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" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1138982fa0c7d0df092481fb0f661087136abbda9383f2bd0c1207e1174c2574
[INFO] running `"docker" "start" "-a" "1138982fa0c7d0df092481fb0f661087136abbda9383f2bd0c1207e1174c2574"`
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]     Checking reexport-proc-macro v1.0.6
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.5
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking daemonize v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling enumset_derive v0.3.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking ct-logs v0.4.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking enumset v0.3.17
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking rustls v0.13.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling cookie_store v0.5.1
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking cursive v0.9.2
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.18
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking jsonrpc-core v8.0.1
[INFO] [stderr]     Checking grin_util v0.4.2
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking grin_keychain v0.4.2
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking hyper v0.12.27
[INFO] [stderr]     Checking tokio-rustls v0.7.2
[INFO] [stderr]    Compiling croaring-sys v0.3.8
[INFO] [stderr]     Checking tokio-retry v0.1.1
[INFO] [stderr]    Compiling built v0.3.0
[INFO] [stderr]     Checking hyper-rustls v0.14.0
[INFO] [stderr]     Checking hyper-staticfile v0.3.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.14
[INFO] [stderr]    Compiling grin v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `grin v0.4.2 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/grin-a7c296ad9d07a7dc/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Warning: Failed to download grin-web-wallet. Web wallet will not be available
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:997:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x56377d846503 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h0a054bf8fe58d825
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x56377d840f7b - std::sys_common::backtrace::_print::hf5fd1ac1f7813cda
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x56377d844826 - std::panicking::default_hook::{{closure}}::h4c2b98ad4654a1c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x56377d8445b9 - std::panicking::default_hook::ha13de2654d233e20
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x56377d844f2f - std::panicking::rust_panic_with_hook::h55d26131adaa65de
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x56377d844ab1 - std::panicking::continue_panic_fmt::hf5ed62d23c8d94b6
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x56377d844995 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x56377d86144c - core::panicking::panic_fmt::hf2f2eabd74cb684a
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x56377d233ce7 - core::result::unwrap_failed::hcc09e158b883f6ff
[INFO] [stderr]                                at /rustc/424a4ae163d6517f301cd4048a4b5dd785be5b2f/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x56377cf7b07a - core::result::Result<T,E>::unwrap::h1173d460b3ee0b79
[INFO] [stderr]                                at /rustc/424a4ae163d6517f301cd4048a4b5dd785be5b2f/src/libcore/result.rs:798
[INFO] [stderr]   10:     0x56377cf79a0f - build_script_build::install_web_wallet::hf2361ff23caec6df
[INFO] [stderr]                                at src/build/build.rs:124
[INFO] [stderr]   11:     0x56377cf78f66 - build_script_build::main::hf89b777e502e0d7e
[INFO] [stderr]                                at src/build/build.rs:63
[INFO] [stderr]   12:     0x56377cf7779f - std::rt::lang_start::{{closure}}::h8515e680e3eca36e
[INFO] [stderr]                                at /rustc/424a4ae163d6517f301cd4048a4b5dd785be5b2f/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x56377d844932 - std::panicking::try::do_call::h612ca43708378466
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   14:     0x56377d84d6f9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   15:     0x56377d8454fc - std::rt::lang_start_internal::hc9dd567c93c562cf
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x56377cf77778 - std::rt::lang_start::h9426508facbdb5c9
[INFO] [stderr]                                at /rustc/424a4ae163d6517f301cd4048a4b5dd785be5b2f/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x56377cf7a329 - main
[INFO] [stderr]   18:     0x7f3fdd2bb2e0 - __libc_start_main
[INFO] [stderr]   19:     0x56377cf6d119 - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1138982fa0c7d0df092481fb0f661087136abbda9383f2bd0c1207e1174c2574"`
[INFO] running `"docker" "rm" "-f" "1138982fa0c7d0df092481fb0f661087136abbda9383f2bd0c1207e1174c2574"`
[INFO] [stdout] 1138982fa0c7d0df092481fb0f661087136abbda9383f2bd0c1207e1174c2574