[INFO] cloning repository https://github.com/merlinfuchs/isolator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merlinfuchs/isolator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlinfuchs%2Fisolator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlinfuchs%2Fisolator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9211aa04847258b041ab9f43bd7561f8bca186d5
[INFO] checking merlinfuchs/isolator against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlinfuchs%2Fisolator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/merlinfuchs/isolator
[INFO] finished tweaking git repo https://github.com/merlinfuchs/isolator
[INFO] tweaked toml for git repo https://github.com/merlinfuchs/isolator written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/merlinfuchs/isolator on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/merlinfuchs/isolator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic v0.6.1
[INFO] [stderr]   Downloaded tonic-build v0.6.0
[INFO] [stderr]   Downloaded fixedbitset v0.4.0
[INFO] [stderr]   Downloaded tower v0.4.10
[INFO] [stderr]   Downloaded tokio-io-timeout v1.1.1
[INFO] [stderr]   Downloaded fslock v0.1.8
[INFO] [stderr]   Downloaded serde_v8 v0.18.0
[INFO] [stderr]   Downloaded tokio-macros v1.5.1
[INFO] [stderr]   Downloaded petgraph v0.6.0
[INFO] [stderr]   Downloaded serde_json v1.0.70
[INFO] [stderr]   Downloaded deno_core v0.107.0
[INFO] [stderr]   Downloaded v8 v0.34.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 395cf585cb6b570d433f9c56b45b377d571286fbb5723db72307e2d9a767019a
[INFO] running `Command { std: "docker" "start" "-a" "395cf585cb6b570d433f9c56b45b377d571286fbb5723db72307e2d9a767019a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "395cf585cb6b570d433f9c56b45b377d571286fbb5723db72307e2d9a767019a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395cf585cb6b570d433f9c56b45b377d571286fbb5723db72307e2d9a767019a", kill_on_drop: false }`
[INFO] [stdout] 395cf585cb6b570d433f9c56b45b377d571286fbb5723db72307e2d9a767019a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fbf65d6303f59b03c1e697a7a8eda3714510ced07fdc7fb22fe2cfb7fd96c4d
[INFO] running `Command { std: "docker" "start" "-a" "1fbf65d6303f59b03c1e697a7a8eda3714510ced07fdc7fb22fe2cfb7fd96c4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling fslock v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling v8 v0.34.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr] error: failed to run custom build command for `v8 v0.34.0`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/v8-0c7c7d9c12014c27/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/binding.cc
[INFO] [stderr]   cargo:rerun-if-env-changed=CCACHE
[INFO] [stderr]   cargo:rerun-if-env-changed=CLANG_BASE_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=DENO_TRYBUILD
[INFO] [stderr]   cargo:rerun-if-env-changed=DOCS_RS
[INFO] [stderr]   cargo:rerun-if-env-changed=GN
[INFO] [stderr]   cargo:rerun-if-env-changed=GN_ARGS
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST
[INFO] [stderr]   cargo:rerun-if-env-changed=NINJA
[INFO] [stderr]   cargo:rerun-if-env-changed=OUT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=RUSTY_V8_ARCHIVE
[INFO] [stderr]   cargo:rerun-if-env-changed=RUSTY_V8_MIRROR
[INFO] [stderr]   cargo:rerun-if-env-changed=SCCACHE
[INFO] [stderr]   cargo:rerun-if-env-changed=V8_FORCE_DEBUG
[INFO] [stderr]   cargo:rerun-if-env-changed=V8_FROM_SOURCE
[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/v0.34.0/librusty_v8_release_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/v0.34.0/librusty_v8_release_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Python downloader failed, trying with curl.
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1115) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/v8-0.34.0/build.rs:326:3:
[INFO] [stderr]   assertion failed: status.success()
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e45d6651ff8 - std[f691dc057df58223]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e45d6651ff8 - std[f691dc057df58223]::backtrace_rs::backtrace::trace_unsynchronized::<std[f691dc057df58223]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e45d6651ff8 - std[f691dc057df58223]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5e45d6651ff8 - <<std[f691dc057df58223]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[848acaa9ff6f88cd]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5e45d666533a - <core[848acaa9ff6f88cd]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5e45d666533a - core[848acaa9ff6f88cd]::fmt::write
[INFO] [stderr]      6:     0x5e45d6657b92 - std[f691dc057df58223]::io::default_write_fmt::<std[f691dc057df58223]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/io/mod.rs:622:11
[INFO] [stderr]      7:     0x5e45d6657b92 - <std[f691dc057df58223]::sys::stdio::unix::Stderr as std[f691dc057df58223]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/io/mod.rs:1977:13
[INFO] [stderr]      8:     0x5e45d6633bb6 - <std[f691dc057df58223]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5e45d6633bb6 - std[f691dc057df58223]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5e45d664c5b1 - std[f691dc057df58223]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5e45d664c76b - std[f691dc057df58223]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5e45d6633ca4 - std[f691dc057df58223]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x5e45d662b429 - std[f691dc057df58223]::sys::backtrace::__rust_end_short_backtrace::<std[f691dc057df58223]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5e45d663467d - __rustc[346a28cc0deed41]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5e45d6665a8c - core[848acaa9ff6f88cd]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5e45d6665a52 - core[848acaa9ff6f88cd]::panicking::panic
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/core/src/panicking.rs:150:5
[INFO] [stderr]     17:     0x5e45d6606c01 - build_script_build[26b05a172e11d1f5]::download_file
[INFO] [stderr]     18:     0x5e45d66099f8 - build_script_build[26b05a172e11d1f5]::download_static_lib_binaries
[INFO] [stderr]     19:     0x5e45d660af36 - build_script_build[26b05a172e11d1f5]::main
[INFO] [stderr]     20:     0x5e45d6604493 - <fn() as core[848acaa9ff6f88cd]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x5e45d66168c6 - std[f691dc057df58223]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x5e45d6611449 - std[f691dc057df58223]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x5e45d664b707 - <&dyn core[848acaa9ff6f88cd]::ops::function::Fn<(), Output = i32> + core[848acaa9ff6f88cd]::panic::unwind_safe::RefUnwindSafe + core[848acaa9ff6f88cd]::marker::Sync as core[848acaa9ff6f88cd]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5e45d664b707 - std[f691dc057df58223]::panicking::catch_unwind::do_call::<&dyn core[848acaa9ff6f88cd]::ops::function::Fn<(), Output = i32> + core[848acaa9ff6f88cd]::panic::unwind_safe::RefUnwindSafe + core[848acaa9ff6f88cd]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x5e45d664b707 - std[f691dc057df58223]::panicking::catch_unwind::<i32, &dyn core[848acaa9ff6f88cd]::ops::function::Fn<(), Output = i32> + core[848acaa9ff6f88cd]::panic::unwind_safe::RefUnwindSafe + core[848acaa9ff6f88cd]::marker::Sync>
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x5e45d664b707 - std[f691dc057df58223]::panic::catch_unwind::<&dyn core[848acaa9ff6f88cd]::ops::function::Fn<(), Output = i32> + core[848acaa9ff6f88cd]::panic::unwind_safe::RefUnwindSafe + core[848acaa9ff6f88cd]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5e45d664b707 - std[f691dc057df58223]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5e45d664b707 - std[f691dc057df58223]::panicking::catch_unwind::do_call::<std[f691dc057df58223]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x5e45d664b707 - std[f691dc057df58223]::panicking::catch_unwind::<isize, std[f691dc057df58223]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x5e45d664b707 - std[f691dc057df58223]::panic::catch_unwind::<std[f691dc057df58223]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5e45d664b707 - std[f691dc057df58223]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/3857be5045fe74bd0f296f6f4c23db10f8857f73/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5e45d6610e31 - std[f691dc057df58223]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x5e45d660f955 - main
[INFO] [stderr]     34:     0x7d070fb591ca - <unknown>
[INFO] [stderr]     35:     0x7d070fb5928b - __libc_start_main
[INFO] [stderr]     36:     0x5e45d65fb315 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1fbf65d6303f59b03c1e697a7a8eda3714510ced07fdc7fb22fe2cfb7fd96c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fbf65d6303f59b03c1e697a7a8eda3714510ced07fdc7fb22fe2cfb7fd96c4d", kill_on_drop: false }`
[INFO] [stdout] 1fbf65d6303f59b03c1e697a7a8eda3714510ced07fdc7fb22fe2cfb7fd96c4d
