[INFO] fetching crate cairo-lang-compiler 2.12.1...
[INFO] testing cairo-lang-compiler-2.12.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate cairo-lang-compiler 2.12.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cairo-lang-compiler 2.12.1
[INFO] finished tweaking crates.io crate cairo-lang-compiler 2.12.1
[INFO] tweaked toml for crates.io crate cairo-lang-compiler 2.12.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cairo-lang-compiler 2.12.1 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 cairo-lang-compiler 2.12.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded starknet-types-core v0.1.7
[INFO] [stderr]   Downloaded cairo-lang-test-utils v2.12.1
[INFO] [stderr]   Downloaded cairo-lang-proc-macros v2.12.1
[INFO] [stderr]   Downloaded cairo-lang-plugins v2.12.1
[INFO] [stderr]   Downloaded cairo-lang-defs v2.12.1
[INFO] [stderr]   Downloaded typetag-impl v0.2.20
[INFO] [stderr]   Downloaded typetag v0.2.20
[INFO] [stderr]   Downloaded cairo-lang-runnable-utils v2.12.1
[INFO] [stderr]   Downloaded thiserror-impl-no-std v2.0.2
[INFO] [stderr]   Downloaded num-modular v0.5.1
[INFO] [stderr]   Downloaded cairo-lang-eq-solver v2.12.1
[INFO] [stderr]   Downloaded good_lp v1.12.0
[INFO] [stderr]   Downloaded cairo-lang-project v2.12.1
[INFO] [stderr]   Downloaded cairo-lang-sierra-type-size v2.12.1
[INFO] [stderr]   Downloaded cairo-lang-casm v2.12.1
[INFO] [stderr]   Downloaded cairo-lang-sierra-ap-change v2.12.1
[INFO] [stderr]   Downloaded cairo-lang-semantic v2.12.1
[INFO] [stderr]   Downloaded num-prime v0.4.4
[INFO] [stderr]   Downloaded cairo-lang-sierra v2.12.1
[INFO] [stderr]   Downloaded microlp v0.2.11
[INFO] [stderr]   Downloaded cairo-lang-lowering v2.12.1
[INFO] [stderr]   Downloaded cairo-lang-sierra-generator v2.12.1
[INFO] [stderr]   Downloaded cairo-lang-sierra-gas v2.12.1
[INFO] [stderr]   Downloaded thiserror-no-std v2.0.2
[INFO] [stderr]   Downloaded cairo-lang-sierra-to-casm v2.12.1
[INFO] [stderr]   Downloaded cairo-vm v2.0.1
[INFO] [stderr]   Downloaded sprs v0.11.3
[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] 34f2ca967adf8b1ac689e8b74403d10f812ea2fd37bb4ea25ba49c0a2aa65feb
[INFO] running `Command { std: "docker" "start" "-a" "34f2ca967adf8b1ac689e8b74403d10f812ea2fd37bb4ea25ba49c0a2aa65feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34f2ca967adf8b1ac689e8b74403d10f812ea2fd37bb4ea25ba49c0a2aa65feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f2ca967adf8b1ac689e8b74403d10f812ea2fd37bb4ea25ba49c0a2aa65feb", kill_on_drop: false }`
[INFO] [stdout] 34f2ca967adf8b1ac689e8b74403d10f812ea2fd37bb4ea25ba49c0a2aa65feb
[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] 4853e4cdc8bccb472e41dbbbd89c612bf95339a4d0a3a11411c1c8ecfc085583
[INFO] running `Command { std: "docker" "start" "-a" "4853e4cdc8bccb472e41dbbbd89c612bf95339a4d0a3a11411c1c8ecfc085583", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `subtle v2.6.1`
[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 `subtle v2.6.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/subtle-2.6.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "4853e4cdc8bccb472e41dbbbd89c612bf95339a4d0a3a11411c1c8ecfc085583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4853e4cdc8bccb472e41dbbbd89c612bf95339a4d0a3a11411c1c8ecfc085583", kill_on_drop: false }`
[INFO] [stdout] 4853e4cdc8bccb472e41dbbbd89c612bf95339a4d0a3a11411c1c8ecfc085583