[INFO] fetching crate filterx 0.4.1...
[INFO] testing filterx-0.4.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate filterx 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate filterx 0.4.1
[INFO] finished tweaking crates.io crate filterx 0.4.1
[INFO] tweaked toml for crates.io crate filterx 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate filterx 0.4.1 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] crate crates.io crate filterx 0.4.1 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded array-init-cursor v0.2.0
[INFO] [stderr]   Downloaded polars-utils v0.50.0
[INFO] [stderr]   Downloaded recursive v0.1.1
[INFO] [stderr]   Downloaded serde_stacker v0.1.12
[INFO] [stderr]   Downloaded polars-time v0.50.0
[INFO] [stderr]   Downloaded planus v1.1.1
[INFO] [stderr]   Downloaded unic-ucd-ident v0.9.0
[INFO] [stderr]   Downloaded streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded rustpython-parser-core v0.4.0
[INFO] [stderr]   Downloaded filterx_info v0.4.1
[INFO] [stderr]   Downloaded is-macro v0.3.7
[INFO] [stderr]   Downloaded fast-float2 v0.2.3
[INFO] [stderr]   Downloaded core_affinity v0.8.3
[INFO] [stderr]   Downloaded malachite v0.4.16
[INFO] [stderr]   Downloaded polars-mem-engine v0.50.0
[INFO] [stderr]   Downloaded filterx_engine v0.4.1
[INFO] [stderr]   Downloaded polars-lazy v0.50.0
[INFO] [stderr]   Downloaded polars-expr v0.50.0
[INFO] [stderr]   Downloaded polars-compute v0.50.0
[INFO] [stderr]   Downloaded quick-xml v0.38.1
[INFO] [stderr]   Downloaded polars-sql v0.50.0
[INFO] [stderr]   Downloaded polars-ops v0.50.0
[INFO] [stderr]   Downloaded rustpython-parser v0.4.0
[INFO] [stderr]   Downloaded polars-io v0.50.0
[INFO] [stderr]   Downloaded skiplist v0.6.0
[INFO] [stderr]   Downloaded sqlparser v0.53.0
[INFO] [stderr]   Downloaded malachite-q v0.4.16
[INFO] [stderr]   Downloaded polars-arrow v0.50.0
[INFO] [stderr]   Downloaded unicode_names2 v1.3.0
[INFO] [stderr]   Downloaded polars-stream v0.50.0
[INFO] [stderr]   Downloaded chrono-tz v0.10.0
[INFO] [stderr]   Downloaded polars-core v0.50.0
[INFO] [stderr]   Downloaded polars-parquet v0.50.0
[INFO] [stderr]   Downloaded polars-plan v0.50.0
[INFO] [stderr]   Downloaded comfy-table v7.1.3
[INFO] [stderr]   Downloaded ethnum v1.5.0
[INFO] [stderr]   Downloaded rand_distr v0.5.1
[INFO] [stderr]   Downloaded rustpython-ast v0.4.0
[INFO] [stderr]   Downloaded argminmax v0.6.3
[INFO] [stderr]   Downloaded boxcar v0.2.14
[INFO] [stderr]   Downloaded rustpython-parser-vendored v0.4.0
[INFO] [stderr]   Downloaded polars-parquet-format v0.1.0
[INFO] [stderr]   Downloaded atoi_simd v0.16.0
[INFO] [stderr]   Downloaded polars-row v0.50.0
[INFO] [stderr]   Downloaded polars-schema v0.50.0
[INFO] [stderr]   Downloaded unicode-reverse v1.0.9
[INFO] [stderr]   Downloaded malachite-bigint v0.2.0
[INFO] [stderr]   Downloaded filterx_core v0.4.1
[INFO] [stderr]   Downloaded filterx_source v0.4.1
[INFO] [stderr]   Downloaded streaming-decompression v0.1.2
[INFO] [stderr]   Downloaded lz4 v1.28.0
[INFO] [stderr]   Downloaded polars-dtype v0.50.0
[INFO] [stderr]   Downloaded polars-arrow-format v0.2.0
[INFO] [stderr]   Downloaded unicode_names2_generator v1.3.0
[INFO] [stderr]   Downloaded polars v0.50.0
[INFO] [stderr]   Downloaded recursive-proc-macro-impl v0.1.1
[INFO] [stderr]   Downloaded now v0.1.3
[INFO] [stderr]   Downloaded chrono-tz-build v0.4.0
[INFO] [stderr]   Downloaded polars-error v0.50.0
[INFO] [stderr]   Downloaded malachite-base v0.4.16
[INFO] [stderr]   Downloaded gzp v1.0.1
[INFO] [stderr]   Downloaded malachite-nz v0.4.16
[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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 478103b09a3a6f3f3a295e3d74beb2739bf08a2f101017713ec0e5d0ab287502
[INFO] running `Command { std: "docker" "start" "-a" "478103b09a3a6f3f3a295e3d74beb2739bf08a2f101017713ec0e5d0ab287502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "478103b09a3a6f3f3a295e3d74beb2739bf08a2f101017713ec0e5d0ab287502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478103b09a3a6f3f3a295e3d74beb2739bf08a2f101017713ec0e5d0ab287502", kill_on_drop: false }`
[INFO] [stdout] 478103b09a3a6f3f3a295e3d74beb2739bf08a2f101017713ec0e5d0ab287502
[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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60ecd5ca4c0f90e40731f9825cdbe25abc5a66b30897b0c2e628db3cd2bd01ba
[INFO] running `Command { std: "docker" "start" "-a" "60ecd5ca4c0f90e40731f9825cdbe25abc5a66b30897b0c2e628db3cd2bd01ba", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `cfg_aliases v0.2.1`
[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 `cfg_aliases v0.2.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cfg_aliases-0.2.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "60ecd5ca4c0f90e40731f9825cdbe25abc5a66b30897b0c2e628db3cd2bd01ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ecd5ca4c0f90e40731f9825cdbe25abc5a66b30897b0c2e628db3cd2bd01ba", kill_on_drop: false }`
[INFO] [stdout] 60ecd5ca4c0f90e40731f9825cdbe25abc5a66b30897b0c2e628db3cd2bd01ba