[INFO] fetching crate xwt-test-assets 0.2.0...
[INFO] testing xwt-test-assets-0.2.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate xwt-test-assets 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate xwt-test-assets 0.2.0
[INFO] finished tweaking crates.io crate xwt-test-assets 0.2.0
[INFO] tweaked toml for crates.io crate xwt-test-assets 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xwt-test-assets 0.2.0 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 75 packages to highest compatible versions
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xwt-cert-gen v0.3.0
[INFO] [stderr]   Downloaded spki v0.8.1
[INFO] [stderr]   Downloaded der_derive v0.8.0
[INFO] [stderr]   Downloaded xwt-test-assets-build v0.4.1
[INFO] [stderr]   Downloaded x509-cert v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b043235c647c10452d1f3093472395d575580372b7274fb3980138071dd31591
[INFO] running `Command { std: "docker" "start" "b043235c647c10452d1f3093472395d575580372b7274fb3980138071dd31591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b043235c647c10452d1f3093472395d575580372b7274fb3980138071dd31591", 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" "b043235c647c10452d1f3093472395d575580372b7274fb3980138071dd31591" "/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" "b043235c647c10452d1f3093472395d575580372b7274fb3980138071dd31591", 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" "b043235c647c10452d1f3093472395d575580372b7274fb3980138071dd31591" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling zeroize v1.9.1
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling const-oid v0.10.2
[INFO] [stderr]    Compiling base64ct v1.8.3
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling flagset v0.4.7
[INFO] [stderr]    Compiling ctutils v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pem-rfc7468 v1.0.0
[INFO] [stderr]    Compiling hybrid-array v0.4.15
[INFO] [stderr]    Compiling cpubits v0.1.1
[INFO] [stderr]    Compiling ff v0.14.0
[INFO] [stderr]    Compiling group v0.14.0
[INFO] [stderr]    Compiling base16ct v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.21
[INFO] [stderr]    Compiling deranged v0.5.9
[INFO] [stderr]    Compiling block-buffer v0.12.1
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]    Compiling time v0.3.55
[INFO] [stderr]    Compiling crypto-common v0.2.2
[INFO] [stderr]    Compiling crypto-bigint v0.7.5
[INFO] [stderr]    Compiling rand v0.10.3
[INFO] [stderr]    Compiling der_derive v0.8.0
[INFO] [stderr]    Compiling digest v0.11.3
[INFO] [stderr]    Compiling sha2 v0.11.1
[INFO] [stderr]    Compiling signature v3.0.0
[INFO] [stderr]    Compiling hmac v0.13.0
[INFO] [stderr]    Compiling sha1 v0.11.0
[INFO] [stderr]    Compiling der v0.8.2
[INFO] [stderr]    Compiling primefield v0.14.0
[INFO] [stderr]    Compiling rfc6979 v0.6.0
[INFO] [stderr]    Compiling wnaf v0.14.1
[INFO] [stderr]    Compiling spki v0.8.1
[INFO] [stderr]    Compiling sec1 v0.8.1
[INFO] [stderr]    Compiling pkcs8 v0.11.0
[INFO] [stderr]    Compiling x509-cert v0.3.0
[INFO] [stderr]    Compiling elliptic-curve v0.14.1
[INFO] [stderr]    Compiling ecdsa v0.17.0
[INFO] [stderr]    Compiling primeorder v0.14.0
[INFO] [stderr]    Compiling p256 v0.14.0
[INFO] [stderr]    Compiling xwt-cert-gen v0.3.0
[INFO] [stderr]    Compiling xwt-test-assets-build v0.4.1
[INFO] [stderr]    Compiling xwt-test-assets v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `xwt-test-assets v0.2.0 (/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/xwt-test-assets-b9dadd415151c1fa/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo::rerun-if-changed=/opt/rustwide/workdir/target/cert.der
[INFO] [stderr]   cargo::rerun-if-changed=/opt/rustwide/workdir/target/cert.pem
[INFO] [stderr]   cargo::rerun-if-changed=/opt/rustwide/workdir/target/key-sec1.der
[INFO] [stderr]   cargo::rerun-if-changed=/opt/rustwide/workdir/target/key-sec1.pem
[INFO] [stderr]   cargo::rerun-if-changed=/opt/rustwide/workdir/target/key-pkcs8.der
[INFO] [stderr]   cargo::rerun-if-changed=/opt/rustwide/workdir/target/key-pkcs8.pem
[INFO] [stderr]   cargo::rerun-if-changed=/opt/rustwide/workdir/target/generated-at.txt
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Saving new xwt test assets
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (538) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xwt-test-assets-build-0.4.1/src/lib.rs:120:28:
[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:     0x622c433ff061 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x622c43410dea - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x622c43402e5c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x622c433e7dd6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x622c433fb291 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x622c433fb44b - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x622c433e7e82 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x622c433e0cc9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x622c433e867d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x622c4341151c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x622c434112f2 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stderr]     11:     0x622c433179ee - xwt_test_assets_build[5399bc4ddf01bcfe]::save::<std[70759c8f55707aa4]::path::PathBuf>
[INFO] [stderr]     12:     0x622c43318cc8 - build_script_build[73f79f38fcfc6ccb]::main
[INFO] [stderr]     13:     0x622c43319dc3 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     14:     0x622c4331858e - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     15:     0x622c43318ad9 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     16:     0x622c433fa9f9 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     17:     0x622c43318291 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     18:     0x622c43319f85 - main
[INFO] [stderr]     19:     0x77bfb2ee4601 - <unknown>
[INFO] [stderr]     20:     0x77bfb2ee4718 - __libc_start_main
[INFO] [stderr]     21:     0x622c43317105 - _start
[INFO] [stderr]     22:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b043235c647c10452d1f3093472395d575580372b7274fb3980138071dd31591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b043235c647c10452d1f3093472395d575580372b7274fb3980138071dd31591", kill_on_drop: false }`
[INFO] [stdout] b043235c647c10452d1f3093472395d575580372b7274fb3980138071dd31591
