[INFO] cloning repository https://github.com/woa-staging/poa-bridge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woa-staging/poa-bridge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoa-staging%2Fpoa-bridge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoa-staging%2Fpoa-bridge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d480d57a846f2e30af06fd8fb08ec02124e7c7e3
[INFO] checking woa-staging/poa-bridge against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoa-staging%2Fpoa-bridge" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woa-staging/poa-bridge on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/woa-staging/poa-bridge
[INFO] finished tweaking git repo https://github.com/woa-staging/poa-bridge
[INFO] tweaked toml for git repo https://github.com/woa-staging/poa-bridge written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/woa-staging/poa-bridge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fb7dd609b5e1d43d27c69d6645c843f94c314f960ab2b5ade0d743d9813c5ff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7fb7dd609b5e1d43d27c69d6645c843f94c314f960ab2b5ade0d743d9813c5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb7dd609b5e1d43d27c69d6645c843f94c314f960ab2b5ade0d743d9813c5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb7dd609b5e1d43d27c69d6645c843f94c314f960ab2b5ade0d743d9813c5ff", kill_on_drop: false }`
[INFO] [stdout] 7fb7dd609b5e1d43d27c69d6645c843f94c314f960ab2b5ade0d743d9813c5ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d271077dc1c126d5a6b8286d5a2532951b3a7737f8c4e4b1c3a9e63339ba092f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d271077dc1c126d5a6b8286d5a2532951b3a7737f8c4e4b1c3a9e63339ba092f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking ethcore-bytes v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]    Compiling bigint v4.3.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling serde v1.0.43
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking edit-distance v2.0.1
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]     Checking bitflags v1.0.2
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]     Checking subtle v0.5.1
[INFO] [stderr]     Checking spmc v0.2.2
[INFO] [stderr]     Checking unexpected v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]     Checking protobuf v1.5.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking table v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]     Checking siphasher v0.1.3
[INFO] [stderr]     Checking ethabi-contract v5.1.0
[INFO] [stderr]     Checking slab v0.2.0
[INFO] [stderr]     Checking macros v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]     Checking transient-hashmap v0.4.1
[INFO] [stderr]     Checking using_queue v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking stop-guard v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]    Compiling integration-tests v0.1.0 (/opt/rustwide/workdir/integration-tests)
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.1
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.5.5
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.9.1
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.2.13
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking ethcore-bloom-journal v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]     Checking pretty_assertions v0.2.1
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr] error: failed to run custom build command for `integration-tests v0.1.0 (/opt/rustwide/workdir/integration-tests)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/integration-tests-aad30b2b6a15d752/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=../contracts/BridgrableToken.sol
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at '`solc` executable not found in `$PATH`. `solc` is required to compile the bridge contracts. please install it: https://solidity.readthedocs.io/en/develop/installing-solidity.html', integration-tests/build.rs:29:17
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5653720cf950 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5653720cf950 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5653720cf950 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5653720cf950 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7b3d6cac46d277e1
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5653720e91af - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x5653720cdf62 - std::io::Write::write_fmt::h6010cfbb4726588b
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/io/mod.rs:1572:15
[INFO] [stderr]      6:     0x5653720d14c5 - std::sys_common::backtrace::_print::h79b4f9652330cc9d
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5653720d14c5 - std::sys_common::backtrace::print::h330bb326a76af8cf
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5653720d14c5 - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5653720d0f73 - std::panicking::default_hook::h17e521ba6d68d6e1
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5653720d1acd - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x5653720b390f - std::panicking::begin_panic::{{closure}}::h9bbadc05738842da
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:520:9
[INFO] [stderr]     12:     0x5653720b52f8 - std::sys_common::backtrace::__rust_end_short_backtrace::h4fa9f84cbcacb67f
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5653720b3855 - std::panicking::begin_panic::he24da8a3d2f16dcc
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:519:12
[INFO] [stderr]     14:     0x5653720b2c63 - build_script_build::main::hbbea44f521b31169
[INFO] [stderr]                                  at /opt/rustwide/workdir/integration-tests/build.rs:29:5
[INFO] [stderr]     15:     0x5653720b5a8b - core::ops::function::FnOnce::call_once::h9c98bdc1b6e04f7a
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x5653720b533e - std::sys_common::backtrace::__rust_begin_short_backtrace::h6d2ed341d412caea
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x5653720b3031 - std::rt::lang_start::{{closure}}::h7ef42adcfe59cfd3
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/rt.rs:66:18
[INFO] [stderr]     18:     0x5653720d1eca - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hbcc915e668c7ca11
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x5653720d1eca - std::panicking::try::do_call::h6b0f430d48122ddf
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:379:40
[INFO] [stderr]     20:     0x5653720d1eca - std::panicking::try::h6ba420e2e21b5afa
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:343:19
[INFO] [stderr]     21:     0x5653720d1eca - std::panic::catch_unwind::h8366719d1f615eee
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panic.rs:431:14
[INFO] [stderr]     22:     0x5653720d1eca - std::rt::lang_start_internal::h965c28c9ce06ee73
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/rt.rs:51:25
[INFO] [stderr]     23:     0x5653720b3010 - std::rt::lang_start::h1303267a8ced294b
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/rt.rs:65:5
[INFO] [stderr]     24:     0x5653720b2d5c - main
[INFO] [stderr]     25:     0x7f0147ac20b3 - __libc_start_main
[INFO] [stderr]     26:     0x5653720b08fe - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d271077dc1c126d5a6b8286d5a2532951b3a7737f8c4e4b1c3a9e63339ba092f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d271077dc1c126d5a6b8286d5a2532951b3a7737f8c4e4b1c3a9e63339ba092f", kill_on_drop: false }`
[INFO] [stdout] d271077dc1c126d5a6b8286d5a2532951b3a7737f8c4e4b1c3a9e63339ba092f