[INFO] fetching crate lockbook 0.9.25...
[INFO] testing lockbook-0.9.25 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate lockbook 0.9.25 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate lockbook 0.9.25
[INFO] finished tweaking crates.io crate lockbook 0.9.25
[INFO] tweaked toml for crates.io crate lockbook 0.9.25 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lockbook 0.9.25 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lockbook 0.9.25 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded db-rs-derive v0.3.3
[INFO] [stderr]   Downloaded file-id v0.1.0
[INFO] [stderr]   Downloaded qrcode-generator v4.1.9
[INFO] [stderr]   Downloaded cli-rs-command-gen v0.1.12
[INFO] [stderr]   Downloaded svgtypes v0.15.1
[INFO] [stderr]   Downloaded basic-human-duration v0.2.0
[INFO] [stderr]   Downloaded db-rs v0.3.3
[INFO] [stderr]   Downloaded notify-debouncer-full v0.1.0
[INFO] [stderr]   Downloaded hotwatch v0.5.0
[INFO] [stderr]   Downloaded lb-fs v0.9.25
[INFO] [stderr]   Downloaded cli-rs v0.1.13
[INFO] [stderr]   Downloaded nfsserve v0.10.2
[INFO] [stderr]   Downloaded tracing-logcat v0.1.0
[INFO] [stderr]   Downloaded lb-rs v0.9.25
[INFO] [stderr]   Downloaded bezier-rs v0.2.0
[INFO] [stderr]   Downloaded bip39-dict v0.1.3
[INFO] [stderr]   Downloaded kurbo v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b21c8c133ceac9a9bcff6fabe23ee2f3195636fd7ee7d639ddc941c08992f3d
[INFO] running `Command { std: "docker" "start" "-a" "2b21c8c133ceac9a9bcff6fabe23ee2f3195636fd7ee7d639ddc941c08992f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b21c8c133ceac9a9bcff6fabe23ee2f3195636fd7ee7d639ddc941c08992f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b21c8c133ceac9a9bcff6fabe23ee2f3195636fd7ee7d639ddc941c08992f3d", kill_on_drop: false }`
[INFO] [stdout] 2b21c8c133ceac9a9bcff6fabe23ee2f3195636fd7ee7d639ddc941c08992f3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00b2cf2bf6a73e1684090a735b17e6a74ac5c16fbdd00655e069f90052c526da
[INFO] running `Command { std: "docker" "start" "-a" "00b2cf2bf6a73e1684090a735b17e6a74ac5c16fbdd00655e069f90052c526da", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `arrayref v0.3.7`
[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 `arrayref v0.3.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayref-0.3.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "00b2cf2bf6a73e1684090a735b17e6a74ac5c16fbdd00655e069f90052c526da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b2cf2bf6a73e1684090a735b17e6a74ac5c16fbdd00655e069f90052c526da", kill_on_drop: false }`
[INFO] [stdout] 00b2cf2bf6a73e1684090a735b17e6a74ac5c16fbdd00655e069f90052c526da