[INFO] fetching crate udbg 0.3.1...
[INFO] checking udbg-0.3.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate udbg 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate udbg 0.3.1
[INFO] finished tweaking crates.io crate udbg 0.3.1
[INFO] tweaked toml for crates.io crate udbg 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate udbg 0.3.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate udbg 0.3.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symbolic-ppdb v12.4.0
[INFO] [stderr]   Downloaded symbolic v12.4.0
[INFO] [stderr]   Downloaded msvc-demangler v0.9.0
[INFO] [stderr]   Downloaded failed-result v0.2.4
[INFO] [stderr]   Downloaded range-collections v0.2.4
[INFO] [stderr]   Downloaded symbolic-common v12.4.0
[INFO] [stderr]   Downloaded libproc v0.14.2
[INFO] [stderr]   Downloaded nom-supreme v0.8.0
[INFO] [stderr]   Downloaded extend v1.2.0
[INFO] [stderr]   Downloaded ctor v0.2.4
[INFO] [stderr]   Downloaded binary-merge v0.1.2
[INFO] [stderr]   Downloaded procfs-core v0.16.0-RC1
[INFO] [stderr]   Downloaded elsa v1.9.0
[INFO] [stderr]   Downloaded symbolic-demangle v12.4.0
[INFO] [stderr]   Downloaded minidump-writer v0.8.1
[INFO] [stderr]   Downloaded ezlua v0.3.2
[INFO] [stderr]   Downloaded rustyline v12.0.0
[INFO] [stderr]   Downloaded goblin v0.7.1
[INFO] [stderr]   Downloaded minidump v0.17.0
[INFO] [stderr]   Downloaded capstone v0.11.0
[INFO] [stderr]   Downloaded pdb v0.8.0
[INFO] [stderr]   Downloaded flexi_logger v0.27.2
[INFO] [stderr]   Downloaded minidump-common v0.17.0
[INFO] [stderr]   Downloaded symbolic-debuginfo v12.4.0
[INFO] [stderr]   Downloaded log-error v0.1.1
[INFO] [stderr]   Downloaded crash-context v0.6.1
[INFO] [stderr]   Downloaded inplace-vec-builder v0.1.1
[INFO] [stderr]   Downloaded pdb-addr2line v0.10.4
[INFO] [stderr]   Downloaded watto v0.1.0
[INFO] [stderr]   Downloaded windows-implement v0.51.1
[INFO] [stderr]   Downloaded windows-interface v0.51.1
[INFO] [stderr]   Downloaded lua-src v546.0.1
[INFO] [stderr]   Downloaded iced-x86 v1.20.0
[INFO] [stderr]   Downloaded capstone-sys v0.15.0
[INFO] [stderr]   Downloaded cstrptr v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8328124d894c3cb8961e99815dd3c935640b3bb25d0c919e1684ae7e8ab7fae
[INFO] running `Command { std: "docker" "start" "-a" "a8328124d894c3cb8961e99815dd3c935640b3bb25d0c919e1684ae7e8ab7fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8328124d894c3cb8961e99815dd3c935640b3bb25d0c919e1684ae7e8ab7fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8328124d894c3cb8961e99815dd3c935640b3bb25d0c919e1684ae7e8ab7fae", kill_on_drop: false }`
[INFO] [stdout] a8328124d894c3cb8961e99815dd3c935640b3bb25d0c919e1684ae7e8ab7fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13f67c4dbff5985a02cca8bde7b9392ab4a2b3f6497fb906096c3bdac37896d4
[INFO] running `Command { std: "docker" "start" "-a" "13f67c4dbff5985a02cca8bde7b9392ab4a2b3f6497fb906096c3bdac37896d4", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `nibble_vec v0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `nibble_vec v0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nibble_vec-0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "13f67c4dbff5985a02cca8bde7b9392ab4a2b3f6497fb906096c3bdac37896d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f67c4dbff5985a02cca8bde7b9392ab4a2b3f6497fb906096c3bdac37896d4", kill_on_drop: false }`
[INFO] [stdout] 13f67c4dbff5985a02cca8bde7b9392ab4a2b3f6497fb906096c3bdac37896d4