[INFO] fetching crate ink-backdoor 0.0.2...
[INFO] testing ink-backdoor-0.0.2 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ink-backdoor 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ink-backdoor 0.0.2
[INFO] finished tweaking crates.io crate ink-backdoor 0.0.2
[INFO] tweaked toml for crates.io crate ink-backdoor 0.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ink-backdoor 0.0.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ink-backdoor 0.0.2 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 896e124e18e131e05a7f34af04680b800cb945e2916820bc13e0b98e042cd027
[INFO] running `Command { std: "docker" "start" "896e124e18e131e05a7f34af04680b800cb945e2916820bc13e0b98e042cd027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "896e124e18e131e05a7f34af04680b800cb945e2916820bc13e0b98e042cd027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "896e124e18e131e05a7f34af04680b800cb945e2916820bc13e0b98e042cd027" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "896e124e18e131e05a7f34af04680b800cb945e2916820bc13e0b98e042cd027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "896e124e18e131e05a7f34af04680b800cb945e2916820bc13e0b98e042cd027" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling ink-backdoor v0.0.2 (/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] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> build.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> build.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `ink-backdoor v0.0.2 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_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/release/build/ink-backdoor/942f7a0d65ca638a/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (74) panicked at build.rs:10:10:
[INFO] [stderr]   failed to execute process): Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5993fa6ceae1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5993fa6df91a - core[a373ad73a504971]::fmt::write
[INFO] [stderr]      2:     0x5993fa6d25fc - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5993fa6b2126 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5993fa6caab1 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]      5:     0x5993fa6cac6b - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5993fa6b21d2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5993fa6ab169 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5993fa6b299d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stderr]      9:     0x5993fa6e004c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stderr]     10:     0x5993fa6dfe22 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stderr]     11:     0x5993fa69eb19 - <core[a373ad73a504971]::result::Result<std[617be2ca0a6fd877]::process::Output, core[a373ad73a504971]::io::error::Error>>::expect
[INFO] [stderr]     12:     0x5993fa69e927 - build_script_build[71a154c336c6156b]::main
[INFO] [stderr]     13:     0x5993fa69fe23 - <fn() as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     14:     0x5993fa69e5c6 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     15:     0x5993fa69e849 - std[617be2ca0a6fd877]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     16:     0x5993fa6c9f28 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]     17:     0x5993fa69df01 - std[617be2ca0a6fd877]::rt::lang_start::<()>
[INFO] [stderr]     18:     0x5993fa69fe65 - main
[INFO] [stderr]     19:     0x70c632995601 - <unknown>
[INFO] [stderr]     20:     0x70c632995718 - __libc_start_main
[INFO] [stderr]     21:     0x5993fa69d835 - _start
[INFO] [stderr]     22:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "896e124e18e131e05a7f34af04680b800cb945e2916820bc13e0b98e042cd027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896e124e18e131e05a7f34af04680b800cb945e2916820bc13e0b98e042cd027", kill_on_drop: false }`
[INFO] [stdout] 896e124e18e131e05a7f34af04680b800cb945e2916820bc13e0b98e042cd027
