[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 try#fa4dd1f19bfeb3fd235dc7f1406c42404436bef5 for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamELFILALI%2Ftoyland" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AdamELFILALI/toyland on toolchain fa4dd1f19bfeb3fd235dc7f1406c42404436bef5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "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" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de6c9000d8c3d4e056a05177a16cdbfed139d950cc33063be010525389e2ab1e
[INFO] running `Command { std: "docker" "start" "-a" "de6c9000d8c3d4e056a05177a16cdbfed139d950cc33063be010525389e2ab1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de6c9000d8c3d4e056a05177a16cdbfed139d950cc33063be010525389e2ab1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6c9000d8c3d4e056a05177a16cdbfed139d950cc33063be010525389e2ab1e", kill_on_drop: false }`
[INFO] [stdout] de6c9000d8c3d4e056a05177a16cdbfed139d950cc33063be010525389e2ab1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b55f3129a9c849a0b6eba2558f10917342fd8dcbe96fa35b0ca7ce18e1e28e21
[INFO] running `Command { std: "docker" "start" "-a" "b55f3129a9c849a0b6eba2558f10917342fd8dcbe96fa35b0ca7ce18e1e28e21", 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' (53) 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:     0x5ba7a38311ba - std[f9d773b402613c4d]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5ba7a38311ba - std[f9d773b402613c4d]::backtrace_rs::backtrace::trace_unsynchronized::<std[f9d773b402613c4d]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5ba7a38311ba - std[f9d773b402613c4d]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5ba7a38311ba - <<std[f9d773b402613c4d]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5687cb28cffdf578]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5ba7a3841bfa - <core[5687cb28cffdf578]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5ba7a3841bfa - core[5687cb28cffdf578]::fmt::write
[INFO] [stderr]      6:     0x5ba7a3834eb2 - std[f9d773b402613c4d]::io::default_write_fmt::<std[f9d773b402613c4d]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5ba7a3834eb2 - <std[f9d773b402613c4d]::sys::stdio::unix::Stderr as std[f9d773b402613c4d]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5ba7a381cb0f - <std[f9d773b402613c4d]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5ba7a381cb0f - std[f9d773b402613c4d]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5ba7a382d2b1 - std[f9d773b402613c4d]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5ba7a382d46b - std[f9d773b402613c4d]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5ba7a381cbc8 - std[f9d773b402613c4d]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5ba7a38148e9 - std[f9d773b402613c4d]::sys::backtrace::__rust_end_short_backtrace::<std[f9d773b402613c4d]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5ba7a381d42d - __rustc[b170295fd561a9b3]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5ba7a384240c - core[5687cb28cffdf578]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5ba7a38421e2 - core[5687cb28cffdf578]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5ba7a3806aae - build_script_build[ddaab6a1d6599a3a]::main
[INFO] [stderr]     18:     0x5ba7a38072f3 - <fn() as core[5687cb28cffdf578]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5ba7a3806706 - std[f9d773b402613c4d]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5ba7a3806869 - std[f9d773b402613c4d]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5ba7a382ca36 - <&dyn core[5687cb28cffdf578]::ops::function::Fn<(), Output = i32> + core[5687cb28cffdf578]::marker::Sync + core[5687cb28cffdf578]::panic::unwind_safe::RefUnwindSafe as core[5687cb28cffdf578]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5ba7a382ca36 - std[f9d773b402613c4d]::panicking::catch_unwind::do_call::<&dyn core[5687cb28cffdf578]::ops::function::Fn<(), Output = i32> + core[5687cb28cffdf578]::marker::Sync + core[5687cb28cffdf578]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x5ba7a382ca36 - std[f9d773b402613c4d]::panicking::catch_unwind::<i32, &dyn core[5687cb28cffdf578]::ops::function::Fn<(), Output = i32> + core[5687cb28cffdf578]::marker::Sync + core[5687cb28cffdf578]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x5ba7a382ca36 - std[f9d773b402613c4d]::panic::catch_unwind::<&dyn core[5687cb28cffdf578]::ops::function::Fn<(), Output = i32> + core[5687cb28cffdf578]::marker::Sync + core[5687cb28cffdf578]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5ba7a382ca36 - std[f9d773b402613c4d]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5ba7a382ca36 - std[f9d773b402613c4d]::panicking::catch_unwind::do_call::<std[f9d773b402613c4d]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x5ba7a382ca36 - std[f9d773b402613c4d]::panicking::catch_unwind::<isize, std[f9d773b402613c4d]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5ba7a382ca36 - std[f9d773b402613c4d]::panic::catch_unwind::<std[f9d773b402613c4d]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5ba7a382ca36 - std[f9d773b402613c4d]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/fa4dd1f19bfeb3fd235dc7f1406c42404436bef5/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5ba7a38066f1 - std[f9d773b402613c4d]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5ba7a3807355 - main
[INFO] [stderr]     32:     0x7c4a73ef41ca - <unknown>
[INFO] [stderr]     33:     0x7c4a73ef428b - __libc_start_main
[INFO] [stderr]     34:     0x5ba7a38062f5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b55f3129a9c849a0b6eba2558f10917342fd8dcbe96fa35b0ca7ce18e1e28e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55f3129a9c849a0b6eba2558f10917342fd8dcbe96fa35b0ca7ce18e1e28e21", kill_on_drop: false }`
[INFO] [stdout] b55f3129a9c849a0b6eba2558f10917342fd8dcbe96fa35b0ca7ce18e1e28e21
