[INFO] fetching crate unslip 0.1.0...
[INFO] testing unslip-0.1.0 against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] extracting crate unslip 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate unslip 0.1.0
[INFO] finished tweaking crates.io crate unslip 0.1.0
[INFO] tweaked toml for crates.io crate unslip 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unslip 0.1.0 on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unslip 0.1.0 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4efa024f4bef51dbc750462475da19f2a69416e71465a70014dce18580fb2f01
[INFO] running `Command { std: "docker" "start" "-a" "4efa024f4bef51dbc750462475da19f2a69416e71465a70014dce18580fb2f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4efa024f4bef51dbc750462475da19f2a69416e71465a70014dce18580fb2f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efa024f4bef51dbc750462475da19f2a69416e71465a70014dce18580fb2f01", kill_on_drop: false }`
[INFO] [stdout] 4efa024f4bef51dbc750462475da19f2a69416e71465a70014dce18580fb2f01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30b12a7845b6103e947ab65e519396569ae8a9146a6da3b866c8fc83f8706cc3
[INFO] running `Command { std: "docker" "start" "-a" "30b12a7845b6103e947ab65e519396569ae8a9146a6da3b866c8fc83f8706cc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling base64 v0.12.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling stream-cipher v0.3.2
[INFO] [stderr]    Compiling ctr v0.3.2
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling aes-ctr v0.3.0
[INFO] [stderr]    Compiling unslip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `Command { std: "docker" "inspect" "30b12a7845b6103e947ab65e519396569ae8a9146a6da3b866c8fc83f8706cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b12a7845b6103e947ab65e519396569ae8a9146a6da3b866c8fc83f8706cc3", kill_on_drop: false }`
[INFO] [stdout] 30b12a7845b6103e947ab65e519396569ae8a9146a6da3b866c8fc83f8706cc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca815ba4e932a77a3d9ff024aae44efc6686d8eeefaacea1743a9153216e4fde
[INFO] running `Command { std: "docker" "start" "-a" "ca815ba4e932a77a3d9ff024aae44efc6686d8eeefaacea1743a9153216e4fde", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `regex-syntax v0.6.17`
[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 `regex-syntax v0.6.17`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.6.17`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "ca815ba4e932a77a3d9ff024aae44efc6686d8eeefaacea1743a9153216e4fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca815ba4e932a77a3d9ff024aae44efc6686d8eeefaacea1743a9153216e4fde", kill_on_drop: false }`
[INFO] [stdout] ca815ba4e932a77a3d9ff024aae44efc6686d8eeefaacea1743a9153216e4fde