[INFO] fetching crate metaemu-state 0.3.1...
[INFO] testing metaemu-state-0.3.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate metaemu-state 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate metaemu-state 0.3.1
[INFO] finished tweaking crates.io crate metaemu-state 0.3.1
[INFO] tweaked toml for crates.io crate metaemu-state 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metaemu-state 0.3.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 180 packages to latest compatible versions
[INFO] [stderr]       Adding iset v0.2.2 (available: v0.3.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] [stderr]       Adding ustr v0.8.1 (available: v1.1.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded ux v0.1.6
[INFO] [stderr]   Downloaded fugue-bytes v0.2.2
[INFO] [stderr]   Downloaded ouroboros v0.9.5
[INFO] [stderr]   Downloaded fugue-arch v0.2.5
[INFO] [stderr]   Downloaded unsafe_unwrap v0.1.0
[INFO] [stderr]   Downloaded fugue v0.2.9
[INFO] [stderr]   Downloaded iset v0.2.2
[INFO] [stderr]   Downloaded flatc-rust v0.2.0
[INFO] [stderr]   Downloaded fugue-bv v0.2.35
[INFO] [stderr]   Downloaded roxmltree v0.18.1
[INFO] [stderr]   Downloaded ouroboros_macro v0.9.5
[INFO] [stderr]   Downloaded fugue-db v0.2.16
[INFO] [stderr]   Downloaded fugue-fspec v0.2.4
[INFO] [stderr]   Downloaded fugue-ir v0.2.102
[INFO] [stderr]   Downloaded fugue-sleigh v0.2.0
[INFO] [stderr]   Downloaded metaemu-state-derive v0.3.0
[INFO] [stderr]   Downloaded ustr v0.8.1
[INFO] [stderr]   Downloaded ustr v0.9.0
[INFO] [stderr]   Downloaded rug v1.28.0
[INFO] [stderr]   Downloaded flatcc v24.3.25
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d6964ec6fb02358a78aab70ab041909c7c1c98cba8c0315ec17e060d6a8bda5a
[INFO] running `Command { std: "docker" "start" "-a" "d6964ec6fb02358a78aab70ab041909c7c1c98cba8c0315ec17e060d6a8bda5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6964ec6fb02358a78aab70ab041909c7c1c98cba8c0315ec17e060d6a8bda5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6964ec6fb02358a78aab70ab041909c7c1c98cba8c0315ec17e060d6a8bda5a", kill_on_drop: false }`
[INFO] [stdout] d6964ec6fb02358a78aab70ab041909c7c1c98cba8c0315ec17e060d6a8bda5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8d162d237c643f144b6a613eacf198f0b15a7a399ce7fda94f5a95569c148bca
[INFO] running `Command { std: "docker" "start" "-a" "8d162d237c643f144b6a613eacf198f0b15a7a399ce7fda94f5a95569c148bca", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `cc v1.2.34`
[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 `cc v1.2.34`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.2.34`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "8d162d237c643f144b6a613eacf198f0b15a7a399ce7fda94f5a95569c148bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d162d237c643f144b6a613eacf198f0b15a7a399ce7fda94f5a95569c148bca", kill_on_drop: false }`
[INFO] [stdout] 8d162d237c643f144b6a613eacf198f0b15a7a399ce7fda94f5a95569c148bca