[INFO] fetching crate curve25519-fiat 0.1.4...
[INFO] testing curve25519-fiat-0.1.4 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate curve25519-fiat 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate curve25519-fiat 0.1.4
[INFO] finished tweaking crates.io crate curve25519-fiat 0.1.4
[INFO] tweaked toml for crates.io crate curve25519-fiat 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate curve25519-fiat 0.1.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to highest compatible versions
[INFO] [stderr]       Adding sha2 v0.8.2 (available: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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] 93f8c43c32ceaead30b3977e7bac35848f20b456e40433d168cfb1c66f3c883b
[INFO] running `Command { std: "docker" "start" "93f8c43c32ceaead30b3977e7bac35848f20b456e40433d168cfb1c66f3c883b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93f8c43c32ceaead30b3977e7bac35848f20b456e40433d168cfb1c66f3c883b", 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" "93f8c43c32ceaead30b3977e7bac35848f20b456e40433d168cfb1c66f3c883b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93f8c43c32ceaead30b3977e7bac35848f20b456e40433d168cfb1c66f3c883b", 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" "93f8c43c32ceaead30b3977e7bac35848f20b456e40433d168cfb1c66f3c883b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling curve25519-fiat v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `curve25519-fiat v0.1.4 (/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/curve25519-fiat-65278a6860f8c272/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Dir is: "/opt/rustwide/workdir"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (137) panicked at build.rs:67:47:
[INFO] [stderr]   could not remove fiat-crypto: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ebbae1b8111 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5ebbae1cad9a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x5ebbae1bd35c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5ebbae199d46 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5ebbae1b2d41 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x5ebbae1b2efb - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5ebbae199df2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5ebbae192cd9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5ebbae19a5ed - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x5ebbae1cb4cc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x5ebbae1cb2a2 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stderr]     11:     0x5ebbae17f690 - <core[df12db4294e9bfd3]::result::Result<(), core[df12db4294e9bfd3]::io::error::Error>>::expect
[INFO] [stderr]     12:     0x5ebbae17e8ab - build_script_build[644e6ca07f0741e6]::main
[INFO] [stderr]     13:     0x5ebbae180fbb - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     14:     0x5ebbae17d75e - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     15:     0x5ebbae17def9 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     16:     0x5ebbae1b2179 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     17:     0x5ebbae17ce61 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     18:     0x5ebbae181175 - main
[INFO] [stderr]     19:     0x70138be3f601 - <unknown>
[INFO] [stderr]     20:     0x70138be3f718 - __libc_start_main
[INFO] [stderr]     21:     0x5ebbae17be95 - _start
[INFO] [stderr]     22:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "93f8c43c32ceaead30b3977e7bac35848f20b456e40433d168cfb1c66f3c883b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f8c43c32ceaead30b3977e7bac35848f20b456e40433d168cfb1c66f3c883b", kill_on_drop: false }`
[INFO] [stdout] 93f8c43c32ceaead30b3977e7bac35848f20b456e40433d168cfb1c66f3c883b
