[INFO] cloning repository https://github.com/AdamELFILALI/toyland
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AdamELFILALI/toyland" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamELFILALI%2Ftoyland", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamELFILALI%2Ftoyland'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34b91c9d40a09037dbce53b198976643aa14f81c
[INFO] checking AdamELFILALI/toyland against master#217cb73577ed6f30a2005dd75bab01d23ec4cd60 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamELFILALI%2Ftoyland" "/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/AdamELFILALI/toyland
[INFO] finished tweaking git repo https://github.com/AdamELFILALI/toyland
[INFO] tweaked toml for git repo https://github.com/AdamELFILALI/toyland written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AdamELFILALI/toyland on toolchain 217cb73577ed6f30a2005dd75bab01d23ec4cd60
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AdamELFILALI/toyland 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" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b90f3dc2023a276b5fd507455d69c3576451eab48e72a3fb261d0646ddeeac0e
[INFO] running `Command { std: "docker" "start" "-a" "b90f3dc2023a276b5fd507455d69c3576451eab48e72a3fb261d0646ddeeac0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b90f3dc2023a276b5fd507455d69c3576451eab48e72a3fb261d0646ddeeac0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90f3dc2023a276b5fd507455d69c3576451eab48e72a3fb261d0646ddeeac0e", kill_on_drop: false }`
[INFO] [stdout] b90f3dc2023a276b5fd507455d69c3576451eab48e72a3fb261d0646ddeeac0e
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99a36f1e93c1143fc17cba3f588502e72f07d2fecf627d98663048cbe9d190f2
[INFO] running `Command { std: "docker" "start" "-a" "99a36f1e93c1143fc17cba3f588502e72f07d2fecf627d98663048cbe9d190f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling toyland v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: toyland@0.1.0: your text
[INFO] [stderr] warning: toyland@0.1.0:  Some("./src/hello.rs")
[INFO] [stderr] error: failed to run custom build command for `toyland v0.1.0 (/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/toyland-fb8578f1c99113d8/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   totototo
[INFO] [stderr]   cargo:warning=your text
[INFO] [stderr]   cargo:warning= Some("./src/hello.rs")
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (36) panicked at build.rs:20:7:
[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:     0x5e7b86903a32 - std::backtrace_rs::backtrace::libunwind::trace::hf12beacd451e51d4
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e7b86903a32 - std::backtrace_rs::backtrace::trace_unsynchronized::hf6fead6a1bbc8430
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e7b86903a32 - std::sys::backtrace::_print_fmt::h9d014a34f7b74b8e
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e7b86903a32 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h639f36bab51f3955
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e7b869124a7 - core::fmt::rt::Argument::fmt::he9e2dcd4d1a4f79f
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5e7b869124a7 - core::fmt::write::h791a50b587c63062
[INFO] [stderr]      6:     0x5e7b868e1fb6 - std::io::default_write_fmt::h457b557e32e1fb00
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e7b868e1fb6 - std::io::Write::write_fmt::hfe130653c54466c6
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5e7b868e89c1 - std::sys::backtrace::BacktraceLock::print::h3ee5721e3f554378
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e7b868e89c1 - std::panicking::default_hook::{{closure}}::h78548964055f6042
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x5e7b868e87e6 - std::panicking::default_hook::h0a256f5fc8ef64e6
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x5e7b868e8ecb - std::panicking::panic_with_hook::h066093fc9e0da349
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x5e7b868e8d48 - std::panicking::panic_handler::{{closure}}::hcad50f1998ef02e0
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x5e7b868e7319 - std::sys::backtrace::__rust_end_short_backtrace::h84a12e76b874911b
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5e7b868d6cad - __rustc[db2c63b0d9ad08bd]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x5e7b8691559c - core::panicking::panic_fmt::h61ea4c5c8806d7fc
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5e7b86914f52 - core::result::unwrap_failed::hf1093b46770d9310
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5e7b868d5b1e - build_script_build::main::h817f88435689aa96
[INFO] [stderr]     18:     0x5e7b868d62f3 - core::ops::function::FnOnce::call_once::hbeb4f11806843985
[INFO] [stderr]     19:     0x5e7b868d6136 - std::sys::backtrace::__rust_begin_short_backtrace::hcd8619461922fd7a
[INFO] [stderr]     20:     0x5e7b868d6109 - std::rt::lang_start::{{closure}}::h10acf0d5db8370cb
[INFO] [stderr]     21:     0x5e7b868e352a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h474f7857509d3e2b
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5e7b868e352a - std::panicking::catch_unwind::do_call::h1b4842681d37b4de
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:582:40
[INFO] [stderr]     23:     0x5e7b868e352a - std::panicking::catch_unwind::h8caa954e23f3d392
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:545:19
[INFO] [stderr]     24:     0x5e7b868e352a - std::panic::catch_unwind::h799510bc1e15c53c
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5e7b868e352a - std::rt::lang_start_internal::{{closure}}::hdd766f796ed54cf9
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5e7b868e352a - std::panicking::catch_unwind::do_call::hb51acc40ffa92e40
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:582:40
[INFO] [stderr]     27:     0x5e7b868e352a - std::panicking::catch_unwind::h4ba9c0843d285bb6
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:545:19
[INFO] [stderr]     28:     0x5e7b868e352a - std::panic::catch_unwind::hc6ee6b11e632194f
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5e7b868e352a - std::rt::lang_start_internal::h035258992d18009b
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5e7b868d60f1 - std::rt::lang_start::h82c250be9bf703b0
[INFO] [stderr]     31:     0x5e7b868d6985 - main
[INFO] [stderr]     32:     0x72465cf6f1ca - <unknown>
[INFO] [stderr]     33:     0x72465cf6f28b - __libc_start_main
[INFO] [stderr]     34:     0x5e7b868d5805 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "99a36f1e93c1143fc17cba3f588502e72f07d2fecf627d98663048cbe9d190f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a36f1e93c1143fc17cba3f588502e72f07d2fecf627d98663048cbe9d190f2", kill_on_drop: false }`
[INFO] [stdout] 99a36f1e93c1143fc17cba3f588502e72f07d2fecf627d98663048cbe9d190f2
