[INFO] fetching crate serp-example-ocw 0.1.0...
[INFO] checking serp-example-ocw-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate serp-example-ocw 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate serp-example-ocw 0.1.0
[INFO] finished tweaking crates.io crate serp-example-ocw 0.1.0
[INFO] tweaked toml for crates.io crate serp-example-ocw 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serp-example-ocw 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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 263 packages to latest compatible versions
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding frame-support v2.0.1 (available: v42.0.0)
[INFO] [stderr]       Adding frame-system v2.0.1 (available: v42.0.0)
[INFO] [stderr]       Adding lite-json v0.1.3 (available: v0.2.0)
[INFO] [stderr]       Adding parity-scale-codec v1.3.7 (available: v3.7.5)
[INFO] [stderr]       Adding sp-core v2.0.1 (available: v38.0.0)
[INFO] [stderr]       Adding sp-io v2.0.1 (available: v42.0.0)
[INFO] [stderr]       Adding sp-runtime v2.0.1 (available: v43.0.0)
[INFO] [stderr]       Adding sp-std v2.0.1 (available: v14.0.0)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.2.3
[INFO] [stderr]   Downloaded sp-std v2.0.1
[INFO] [stderr]   Downloaded sp-io v2.0.1
[INFO] [stderr]   Downloaded sp-storage v2.0.1
[INFO] [stderr]   Downloaded sp-runtime v2.0.1
[INFO] [stderr]   Downloaded sp-trie v2.0.1
[INFO] [stderr]   Downloaded sp-wasm-interface v2.0.1
[INFO] [stderr]   Downloaded frame-metadata v12.0.1
[INFO] [stderr]   Downloaded sp-core v2.0.1
[INFO] [stderr]   Downloaded lite-json v0.1.3
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v2.0.1
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.7
[INFO] [stderr]   Downloaded frame-support-procedural-tools-derive v2.0.1
[INFO] [stderr]   Downloaded frame-support-procedural v2.0.1
[INFO] [stderr]   Downloaded frame-system v2.0.1
[INFO] [stderr]   Downloaded sp-tracing v2.0.1
[INFO] [stderr]   Downloaded sp-runtime-interface v2.0.1
[INFO] [stderr]   Downloaded sp-debug-derive v2.0.1
[INFO] [stderr]   Downloaded frame-support-procedural-tools v2.0.1
[INFO] [stderr]   Downloaded sp-version v2.0.1
[INFO] [stderr]   Downloaded lite-parser v0.1.2
[INFO] [stderr]   Downloaded sp-application-crypto v2.0.1
[INFO] [stderr]   Downloaded sp-inherents v2.0.1
[INFO] [stderr]   Downloaded sp-panic-handler v2.0.1
[INFO] [stderr]   Downloaded primitive-types v0.7.3
[INFO] [stderr]   Downloaded sp-externalities v0.8.1
[INFO] [stderr]   Downloaded sp-arithmetic v2.0.1
[INFO] [stderr]   Downloaded frame-support v2.0.1
[INFO] [stderr]   Downloaded hashbrown v0.8.2
[INFO] [stderr]   Downloaded sp-state-machine v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e17102a336c7df2c35f5c89f6461744c1ece380c7a6fa6f33153aa0661a37b6
[INFO] running `Command { std: "docker" "start" "-a" "2e17102a336c7df2c35f5c89f6461744c1ece380c7a6fa6f33153aa0661a37b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e17102a336c7df2c35f5c89f6461744c1ece380c7a6fa6f33153aa0661a37b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e17102a336c7df2c35f5c89f6461744c1ece380c7a6fa6f33153aa0661a37b6", kill_on_drop: false }`
[INFO] [stdout] 2e17102a336c7df2c35f5c89f6461744c1ece380c7a6fa6f33153aa0661a37b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44f82d0dc1fa9164a72ad0a4e728016ed4583d45f09f43686c2574dca28aafea
[INFO] running `Command { std: "docker" "start" "-a" "44f82d0dc1fa9164a72ad0a4e728016ed4583d45f09f43686c2574dca28aafea", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `arrayvec v0.4.12`
[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 `arrayvec v0.4.12`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.12`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "44f82d0dc1fa9164a72ad0a4e728016ed4583d45f09f43686c2574dca28aafea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f82d0dc1fa9164a72ad0a4e728016ed4583d45f09f43686c2574dca28aafea", kill_on_drop: false }`
[INFO] [stdout] 44f82d0dc1fa9164a72ad0a4e728016ed4583d45f09f43686c2574dca28aafea