[INFO] fetching crate werkbank 0.2.0...
[INFO] testing werkbank-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate werkbank 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate werkbank 0.2.0
[INFO] finished tweaking crates.io crate werkbank 0.2.0
[INFO] tweaked toml for crates.io crate werkbank 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate werkbank 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 361 packages to latest compatible versions
[INFO] [stderr]       Adding lru v0.8.1 (available: v0.16.0)
[INFO] [stderr]       Adding opentelemetry v0.17.0 (available: v0.30.0)
[INFO] [stderr]       Adding opentelemetry-otlp v0.10.0 (available: v0.30.0)
[INFO] [stderr]       Adding redis v0.21.7 (available: v0.32.5)
[INFO] [stderr]       Adding retainer v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding sqlx v0.6.3 (available: v0.8.6)
[INFO] [stderr]       Adding tracing-opentelemetry v0.17.4 (available: v0.31.0)
[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]     Blocking waiting for file lock on package cache
[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] 7dbad4d561dc242be6cd134f39044466b8f3f034b219eac4116de3f3cbff7ca3
[INFO] running `Command { std: "docker" "start" "-a" "7dbad4d561dc242be6cd134f39044466b8f3f034b219eac4116de3f3cbff7ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dbad4d561dc242be6cd134f39044466b8f3f034b219eac4116de3f3cbff7ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbad4d561dc242be6cd134f39044466b8f3f034b219eac4116de3f3cbff7ca3", kill_on_drop: false }`
[INFO] [stdout] 7dbad4d561dc242be6cd134f39044466b8f3f034b219eac4116de3f3cbff7ca3
[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] aa9ef4d28d93747bedfd4c019bbad533741558a4d3740ea43870495f76128631
[INFO] running `Command { std: "docker" "start" "-a" "aa9ef4d28d93747bedfd4c019bbad533741558a4d3740ea43870495f76128631", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `allocator-api2 v0.2.21`
[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 `allocator-api2 v0.2.21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/allocator-api2-0.2.21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "aa9ef4d28d93747bedfd4c019bbad533741558a4d3740ea43870495f76128631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9ef4d28d93747bedfd4c019bbad533741558a4d3740ea43870495f76128631", kill_on_drop: false }`
[INFO] [stdout] aa9ef4d28d93747bedfd4c019bbad533741558a4d3740ea43870495f76128631