[INFO] crate grin 0.4.2 is already in cache
[INFO] extracting crate grin 0.4.2 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/grin/0.4.2
[INFO] extracting crate grin 0.4.2 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/grin/0.4.2
[INFO] validating manifest of grin-0.4.2 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grin-0.4.2 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/grin/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking grin-0.4.2 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5959a019257b9e52d298b73a17bf5424dc09f3657f9c820e99fb7c98775018e9
[INFO] running `"docker" "start" "-a" "5959a019257b9e52d298b73a17bf5424dc09f3657f9c820e99fb7c98775018e9"`
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling enumset_derive v0.3.0
[INFO] [stderr]     Checking prettytable-rs v0.7.0
[INFO] [stderr]    Compiling uuid v0.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]     Checking enumset v0.3.17
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.17
[INFO] [stderr]     Checking jsonrpc-core v8.0.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]     Checking cursive v0.9.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.12
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-retry v0.1.1
[INFO] [stderr]     Checking hyper-staticfile v0.3.1
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.17
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling hyper v0.12.25
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling croaring-sys v0.3.8
[INFO] [stderr]    Compiling reqwest v0.9.11
[INFO] [stderr]    Compiling built v0.3.0
[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-3cb75c841eca66ce/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:     0x5624a94feed3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h62b0d85f9c8a0c1e
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5624a94fa34b - std::sys_common::backtrace::_print::h7a1acbdfd9a46dca
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5624a94fd1f6 - std::panicking::default_hook::{{closure}}::h145cf58405d7b62e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5624a94fcf89 - std::panicking::default_hook::h2c72f204748779fc
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x5624a94fd8ff - std::panicking::rust_panic_with_hook::h0d1908ec672b6122
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x5624a94fd481 - std::panicking::continue_panic_fmt::h1b054ec5d85f42bd
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x5624a94fd365 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x5624a951a13c - core::panicking::panic_fmt::h82d1666e474cde7a
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x5624a91d4bd7 - core::result::unwrap_failed::h6bf58d2095f2826b
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/macros.rs:16
[INFO] [stderr]    9:     0x5624a8e62c1a - core::result::Result<T,E>::unwrap::h64cd8707c0385a24
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/result.rs:798
[INFO] [stderr]   10:     0x5624a8e6133f - build_script_build::install_web_wallet::h1a8d831f7c3d4420
[INFO] [stderr]                                at src/build/build.rs:124
[INFO] [stderr]   11:     0x5624a8e60896 - build_script_build::main::hbedb774cd8828c70
[INFO] [stderr]                                at src/build/build.rs:63
[INFO] [stderr]   12:     0x5624a8e5fc1f - std::rt::lang_start::{{closure}}::h26290339b49fa493
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x5624a94fd302 - std::panicking::try::do_call::ha5fe25206b7efe63
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   14:     0x5624a9506a39 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   15:     0x5624a94fdecc - std::rt::lang_start_internal::he0b4f394f16cd6fc
[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:     0x5624a8e5fbf8 - std::rt::lang_start::h5c54144a814bd19f
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x5624a8e61c59 - main
[INFO] [stderr]   18:     0x7f4ed50812e0 - __libc_start_main
[INFO] [stderr]   19:     0x5624a8e54159 - _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" "5959a019257b9e52d298b73a17bf5424dc09f3657f9c820e99fb7c98775018e9"`
[INFO] running `"docker" "rm" "-f" "5959a019257b9e52d298b73a17bf5424dc09f3657f9c820e99fb7c98775018e9"`
[INFO] [stdout] 5959a019257b9e52d298b73a17bf5424dc09f3657f9c820e99fb7c98775018e9