[INFO] cloning repository https://github.com/tiny-browserbook/exercise-js
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiny-browserbook/exercise-js" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-js", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-js'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4729ffc881143b82c3127dbc4a53a559e91b5267
[INFO] checking tiny-browserbook/exercise-js against master#297a8018b525c28ef10ee6a91d61954839b508b9 for pr-95565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-js" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiny-browserbook/exercise-js on toolchain 297a8018b525c28ef10ee6a91d61954839b508b9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+297a8018b525c28ef10ee6a91d61954839b508b9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tiny-browserbook/exercise-js
[INFO] finished tweaking git repo https://github.com/tiny-browserbook/exercise-js
[INFO] tweaked toml for git repo https://github.com/tiny-browserbook/exercise-js written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/tiny-browserbook/exercise-js already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+297a8018b525c28ef10ee6a91d61954839b508b9" "fetch" "--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] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded fslock v0.1.6
[INFO] [stderr] Downloaded rusty_v8 v0.22.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+297a8018b525c28ef10ee6a91d61954839b508b9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e6e70e2017b01363808785c1df635ebae62aadbf8d4d2c800639819c636b3e4
[INFO] running `Command { std: "docker" "start" "-a" "4e6e70e2017b01363808785c1df635ebae62aadbf8d4d2c800639819c636b3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e6e70e2017b01363808785c1df635ebae62aadbf8d4d2c800639819c636b3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6e70e2017b01363808785c1df635ebae62aadbf8d4d2c800639819c636b3e4", kill_on_drop: false }`
[INFO] [stdout] 4e6e70e2017b01363808785c1df635ebae62aadbf8d4d2c800639819c636b3e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+297a8018b525c28ef10ee6a91d61954839b508b9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e94c17999dcc744c3c4c7b1c4a09252ccdc051a31fd658a29417b2b4359925
[INFO] running `Command { std: "docker" "start" "-a" "89e94c17999dcc744c3c4c7b1c4a09252ccdc051a31fd658a29417b2b4359925", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Compiling autocfg v1.0.1
[INFO] [stderr] Compiling libc v0.2.98
[INFO] [stderr] Compiling proc-macro2 v1.0.28
[INFO] [stderr] Compiling unicode-xid v0.2.2
[INFO] [stderr] Compiling syn v1.0.74
[INFO] [stderr] Compiling strsim v0.9.3
[INFO] [stderr] Compiling ident_case v1.0.1
[INFO] [stderr] Compiling fnv v1.0.7
[INFO] [stderr] Checking cfg-if v1.0.0
[INFO] [stderr] Compiling crossbeam-utils v0.8.5
[INFO] [stderr] Checking lazy_static v1.4.0
[INFO] [stderr] Compiling version_check v0.9.3
[INFO] [stderr] Compiling either v1.6.1
[INFO] [stderr] Compiling pkg-config v0.3.19
[INFO] [stderr] Compiling log v0.4.14
[INFO] [stderr] Compiling cc v1.0.69
[INFO] [stderr] Checking stable_deref_trait v1.2.0
[INFO] [stderr] Checking array-macro v1.0.5
[INFO] [stderr] Checking once_cell v1.8.0
[INFO] [stderr] Compiling bitflags v1.2.1
[INFO] [stderr] Compiling signal-hook v0.3.9
[INFO] [stderr] Compiling memchr v2.4.0
[INFO] [stderr] Checking xi-unicode v0.3.0
[INFO] [stderr] Checking unicode-width v0.1.8
[INFO] [stderr] Checking unicode-segmentation v1.8.0
[INFO] [stderr] Checking maplit v1.0.2
[INFO] [stderr] Checking bytes v1.0.1
[INFO] [stderr] Compiling num-traits v0.2.14
[INFO] [stderr] Compiling num-integer v0.1.44
[INFO] [stderr] Compiling num-rational v0.3.2
[INFO] [stderr] Compiling num-iter v0.1.42
[INFO] [stderr] Checking owning_ref v0.4.1
[INFO] [stderr] Compiling ncurses v5.101.0
[INFO] [stderr] Compiling ahash v0.6.3
[INFO] [stderr] Checking combine v4.6.0
[INFO] [stderr] Compiling quote v1.0.9
[INFO] [stderr] Compiling fslock v0.1.6
[INFO] [stderr] Compiling which v4.1.0
[INFO] [stderr] Checking time v0.1.43
[INFO] [stderr] Checking getrandom v0.2.3
[INFO] [stderr] Checking signal-hook-registry v1.4.0
[INFO] [stderr] Checking term_size v0.3.2
[INFO] [stderr] Checking num-complex v0.3.1
[INFO] [stderr] Checking crossbeam-channel v0.5.1
[INFO] [stderr] Checking chrono v0.4.19
[INFO] [stderr] Compiling rusty_v8 v0.22.3
[INFO] [stderr] Checking num v0.3.1
[INFO] [stderr] Compiling darling_core v0.10.2
[INFO] [stderr] Compiling enum-map-derive v0.4.6
[INFO] [stderr] Compiling darling_macro v0.10.2
[INFO] [stderr] Checking enum-map v0.6.4
[INFO] [stderr] Compiling darling v0.10.2
[INFO] [stderr] Compiling wasmer_enumset_derive v0.5.0
[INFO] [stderr] Checking wasmer_enumset v1.0.1
[INFO] [stderr] Checking cursive_core v0.2.2
[INFO] [stderr] Checking cursive v0.16.3
[INFO] [stderr] error: failed to run custom build command for `rusty_v8 v0.22.3`
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty_v8-ac937cda65a9134d/build-script-build` (exit status: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=src/binding.cc
[INFO] [stderr] download lockfile: "/opt/rustwide/target/debug/build/lib_download.fslock"
[INFO] [stderr] static lib URL: https://github.com/denoland/rusty_v8/releases/download/v0.22.3/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr] cargo:rustc-link-search=/opt/rustwide/target/debug/gn_out/obj
[INFO] [stderr] Downloading https://github.com/denoland/rusty_v8/releases/download/v0.22.3/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr] Downloading https://github.com/denoland/rusty_v8/releases/download/v0.22.3/librusty_v8_debug_x86_64-unknown-linux-gnu.a...
[INFO] [stderr] <urlopen error [Errno -3] Temporary failure in name resolution>
[INFO] [stderr] Retrying in 5 s ...
[INFO] [stderr] Downloading https://github.com/denoland/rusty_v8/releases/download/v0.22.3/librusty_v8_debug_x86_64-unknown-linux-gnu.a...
[INFO] [stderr] <urlopen error [Errno -3] Temporary failure in name resolution>
[INFO] [stderr] Retrying in 10 s ...
[INFO] [stderr] Downloading https://github.com/denoland/rusty_v8/releases/download/v0.22.3/librusty_v8_debug_x86_64-unknown-linux-gnu.a...
[INFO] [stderr] <urlopen error [Errno -3] Temporary failure in name resolution>
[INFO] [stderr] Retrying in 20 s ...
[INFO] [stderr] Downloading https://github.com/denoland/rusty_v8/releases/download/v0.22.3/librusty_v8_debug_x86_64-unknown-linux-gnu.a...
[INFO] [stderr] <urlopen error [Errno -3] Temporary failure in name resolution>
[INFO] [stderr] Python downloader failed, trying with curl.
[INFO] [stderr]
[INFO] [stderr] --- stderr
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr] File "./tools/download_file.py", line 64, in <module>
[INFO] [stderr] sys.exit(main())
[INFO] [stderr] File "./tools/download_file.py", line 59, in main
[INFO] [stderr] DownloadUrl(args.url, f)
[INFO] [stderr] File "./tools/download_file.py", line 45, in DownloadUrl
[INFO] [stderr] raise e
[INFO] [stderr] urllib2.URLError: <urlopen error [Errno -3] Temporary failure in name resolution>
[INFO] [stderr] thread 'main' panicked at 'assertion failed: status.success()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.3/build.rs:285:3
[INFO] [stderr] stack backtrace:
[INFO] [stderr] 0: 0x55d1f539623d - std::backtrace_rs::backtrace::libunwind::trace::hc11b61a25c586c66
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr] 1: 0x55d1f539623d - std::backtrace_rs::backtrace::trace_unsynchronized::h1b051b2237078a3e
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr] 2: 0x55d1f539623d - std::sys_common::backtrace::_print_fmt::hc7e07a0e99400c4a
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr] 3: 0x55d1f539623d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2821f776351a026b
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr] 4: 0x55d1f53b529c - core::fmt::write::hb854d155649e7ef5
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/core/src/fmt/mod.rs:1194:17
[INFO] [stderr] 5: 0x55d1f53930a1 - std::io::Write::write_fmt::h300ed7d33542f1ef
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/io/mod.rs:1655:15
[INFO] [stderr] 6: 0x55d1f5397b45 - std::sys_common::backtrace::_print::he833af81c153edc4
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr] 7: 0x55d1f5397b45 - std::sys_common::backtrace::print::h027a192d0c668160
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr] 8: 0x55d1f5397b45 - std::panicking::default_hook::{{closure}}::he25237ddbaeeef9b
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/panicking.rs:295:22
[INFO] [stderr] 9: 0x55d1f53977f9 - std::panicking::default_hook::h37ce55ed88aa5f4d
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/panicking.rs:314:9
[INFO] [stderr] 10: 0x55d1f5398092 - std::panicking::rust_panic_with_hook::hc1a2af155c01f095
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/panicking.rs:698:17
[INFO] [stderr] 11: 0x55d1f5397f39 - std::panicking::begin_panic_handler::{{closure}}::hfc4d746b9273e246
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/panicking.rs:586:13
[INFO] [stderr] 12: 0x55d1f53966f4 - std::sys_common::backtrace::__rust_end_short_backtrace::h2f4fcbf9718a376c
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr] 13: 0x55d1f5397ca9 - rust_begin_unwind
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/panicking.rs:584:5
[INFO] [stderr] 14: 0x55d1f5340463 - core::panicking::panic_fmt::h1a7b9c5b167e71fc
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/core/src/panicking.rs:143:14
[INFO] [stderr] 15: 0x55d1f534032d - core::panicking::panic::hdca63a687f9214e2
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/core/src/panicking.rs:48:5
[INFO] [stderr] 16: 0x55d1f53587e9 - build_script_build::download_file::hd5b874ba6931d819
[INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.3/build.rs:285:3
[INFO] [stderr] 17: 0x55d1f5358b82 - build_script_build::download_static_lib_binaries::h849791873f3cbc05
[INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.3/build.rs:302:5
[INFO] [stderr] 18: 0x55d1f535592e - build_script_build::main::h0428fe260fd8c7be
[INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.3/build.rs:50:7
[INFO] [stderr] 19: 0x55d1f53457ab - core::ops::function::FnOnce::call_once::h87c4972c5a5fbe71
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/core/src/ops/function.rs:227:5
[INFO] [stderr] 20: 0x55d1f53648ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h79b7aeb1c6dd1b68
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr] 21: 0x55d1f5344eb1 - std::rt::lang_start::{{closure}}::hec325c2662a88a5b
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/rt.rs:145:18
[INFO] [stderr] 22: 0x55d1f538ea9e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9037fc3cf150c4f3
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/core/src/ops/function.rs:259:13
[INFO] [stderr] 23: 0x55d1f538ea9e - std::panicking::try::do_call::h22efe140634ccf3c
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/panicking.rs:492:40
[INFO] [stderr] 24: 0x55d1f538ea9e - std::panicking::try::hbe2dcde877a4a41c
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/panicking.rs:456:19
[INFO] [stderr] 25: 0x55d1f538ea9e - std::panic::catch_unwind::h94dce5de26595fc0
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/panic.rs:137:14
[INFO] [stderr] 26: 0x55d1f538ea9e - std::rt::lang_start_internal::{{closure}}::hda9dc7e919702691
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/rt.rs:128:48
[INFO] [stderr] 27: 0x55d1f538ea9e - std::panicking::try::do_call::h20e299370566d52d
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/panicking.rs:492:40
[INFO] [stderr] 28: 0x55d1f538ea9e - std::panicking::try::h7948446db6f0ff74
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/panicking.rs:456:19
[INFO] [stderr] 29: 0x55d1f538ea9e - std::panic::catch_unwind::h68cee933c76e4855
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/panic.rs:137:14
[INFO] [stderr] 30: 0x55d1f538ea9e - std::rt::lang_start_internal::h4f846c1b4b17c35d
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/rt.rs:128:20
[INFO] [stderr] 31: 0x55d1f5344e80 - std::rt::lang_start::h1ed7a475ebe79a07
[INFO] [stderr] at /rustc/297a8018b525c28ef10ee6a91d61954839b508b9/library/std/src/rt.rs:144:17
[INFO] [stderr] 32: 0x55d1f535c44c - main
[INFO] [stderr] 33: 0x7fb52528c0b3 - __libc_start_main
[INFO] [stderr] 34: 0x55d1f534065e - _start
[INFO] [stderr] 35: 0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "89e94c17999dcc744c3c4c7b1c4a09252ccdc051a31fd658a29417b2b4359925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e94c17999dcc744c3c4c7b1c4a09252ccdc051a31fd658a29417b2b4359925", kill_on_drop: false }`
[INFO] [stdout] 89e94c17999dcc744c3c4c7b1c4a09252ccdc051a31fd658a29417b2b4359925