[INFO] cloning repository https://github.com/Its-Just-Nans/jscontact
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Its-Just-Nans/jscontact" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIts-Just-Nans%2Fjscontact", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIts-Just-Nans%2Fjscontact'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78194337730e26ed67a4c34d27397dc7861dca0c
[INFO] checking Its-Just-Nans/jscontact/78194337730e26ed67a4c34d27397dc7861dca0c against master#2aabf3ce0569dd7c8c2d2a27944850056dcf2566 for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIts-Just-Nans%2Fjscontact" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Its-Just-Nans/jscontact
[INFO] finished tweaking git repo https://github.com/Its-Just-Nans/jscontact
[INFO] tweaked toml for git repo https://github.com/Its-Just-Nans/jscontact written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Its-Just-Nans/jscontact on toolchain 2aabf3ce0569dd7c8c2d2a27944850056dcf2566
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Its-Just-Nans/jscontact 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" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6886d051ca25009c84f3f5c279f03bf3d2f38259c294eaf3756ebd79412ba35
[INFO] running `Command { std: "docker" "start" "-a" "c6886d051ca25009c84f3f5c279f03bf3d2f38259c294eaf3756ebd79412ba35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6886d051ca25009c84f3f5c279f03bf3d2f38259c294eaf3756ebd79412ba35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6886d051ca25009c84f3f5c279f03bf3d2f38259c294eaf3756ebd79412ba35", kill_on_drop: false }`
[INFO] [stdout] c6886d051ca25009c84f3f5c279f03bf3d2f38259c294eaf3756ebd79412ba35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d55dd27af3f1284ddb4c2afc5adca94eaf49b4915c5b13af641aa1b2e3c9039
[INFO] running `Command { std: "docker" "start" "-a" "4d55dd27af3f1284ddb4c2afc5adca94eaf49b4915c5b13af641aa1b2e3c9039", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling jscontact v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr] error: failed to run custom build command for `jscontact v0.2.1 (/opt/rustwide/workdir)`
[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/jscontact-03f855d12ab62c31/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (123) panicked at build.rs:130:41:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x58b0630ec0e8 - std[fb72487e8bd7b759]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x58b0630ec0e8 - std[fb72487e8bd7b759]::backtrace_rs::backtrace::trace_unsynchronized::<std[fb72487e8bd7b759]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x58b0630ec0e8 - std[fb72487e8bd7b759]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x58b0630ec0e8 - <<std[fb72487e8bd7b759]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[457c31d02d1af627]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x58b0630fd39a - <core[457c31d02d1af627]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x58b0630fd39a - core[457c31d02d1af627]::fmt::write
[INFO] [stderr]      6:     0x58b0630effc2 - std[fb72487e8bd7b759]::io::default_write_fmt::<std[fb72487e8bd7b759]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x58b0630effc2 - <std[fb72487e8bd7b759]::sys::stdio::unix::Stderr as std[fb72487e8bd7b759]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x58b0630d7076 - <std[fb72487e8bd7b759]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x58b0630d7076 - std[fb72487e8bd7b759]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x58b0630e7ce1 - std[fb72487e8bd7b759]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x58b0630e7e9b - std[fb72487e8bd7b759]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x58b0630d7132 - std[fb72487e8bd7b759]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x58b0630ceb89 - std[fb72487e8bd7b759]::sys::backtrace::__rust_end_short_backtrace::<std[fb72487e8bd7b759]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x58b0630d799d - __rustc[ab7293e44839456b]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x58b0630fda8c - core[457c31d02d1af627]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x58b0630fd862 - core[457c31d02d1af627]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x58b0630b9f3d - build_script_build[f07c065533b15884]::main
[INFO] [stderr]     18:     0x58b0630c14a3 - <fn() as core[457c31d02d1af627]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x58b0630be256 - std[fb72487e8bd7b759]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x58b0630bed49 - std[fb72487e8bd7b759]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x58b0630e7357 - <&dyn core[457c31d02d1af627]::ops::function::Fn<(), Output = i32> + core[457c31d02d1af627]::panic::unwind_safe::RefUnwindSafe + core[457c31d02d1af627]::marker::Sync as core[457c31d02d1af627]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x58b0630e7357 - std[fb72487e8bd7b759]::panicking::catch_unwind::do_call::<&dyn core[457c31d02d1af627]::ops::function::Fn<(), Output = i32> + core[457c31d02d1af627]::panic::unwind_safe::RefUnwindSafe + core[457c31d02d1af627]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x58b0630e7357 - std[fb72487e8bd7b759]::panicking::catch_unwind::<i32, &dyn core[457c31d02d1af627]::ops::function::Fn<(), Output = i32> + core[457c31d02d1af627]::panic::unwind_safe::RefUnwindSafe + core[457c31d02d1af627]::marker::Sync>
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x58b0630e7357 - std[fb72487e8bd7b759]::panic::catch_unwind::<&dyn core[457c31d02d1af627]::ops::function::Fn<(), Output = i32> + core[457c31d02d1af627]::panic::unwind_safe::RefUnwindSafe + core[457c31d02d1af627]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x58b0630e7357 - std[fb72487e8bd7b759]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x58b0630e7357 - std[fb72487e8bd7b759]::panicking::catch_unwind::do_call::<std[fb72487e8bd7b759]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x58b0630e7357 - std[fb72487e8bd7b759]::panicking::catch_unwind::<isize, std[fb72487e8bd7b759]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x58b0630e7357 - std[fb72487e8bd7b759]::panic::catch_unwind::<std[fb72487e8bd7b759]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x58b0630e7357 - std[fb72487e8bd7b759]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x58b0630bddd1 - std[fb72487e8bd7b759]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x58b0630bd0c5 - main
[INFO] [stderr]     32:     0x7cb0e037e1ca - <unknown>
[INFO] [stderr]     33:     0x7cb0e037e28b - __libc_start_main
[INFO] [stderr]     34:     0x58b0630b4ca5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4d55dd27af3f1284ddb4c2afc5adca94eaf49b4915c5b13af641aa1b2e3c9039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d55dd27af3f1284ddb4c2afc5adca94eaf49b4915c5b13af641aa1b2e3c9039", kill_on_drop: false }`
[INFO] [stdout] 4d55dd27af3f1284ddb4c2afc5adca94eaf49b4915c5b13af641aa1b2e3c9039
