[INFO] fetching crate gh-lens 0.0.12...
[INFO] checking gh-lens-0.0.12 against master#35d55b34bffd51384ac430cc20852b7d16dd5a90 for pr-145108
[INFO] extracting crate gh-lens 0.0.12 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate gh-lens 0.0.12
[INFO] finished tweaking crates.io crate gh-lens 0.0.12
[INFO] tweaked toml for crates.io crate gh-lens 0.0.12 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gh-lens 0.0.12 on toolchain 35d55b34bffd51384ac430cc20852b7d16dd5a90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gh-lens 0.0.12 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" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded graphql_client v0.14.0
[INFO] [stderr]   Downloaded graphql_query_derive v0.14.0
[INFO] [stderr]   Downloaded graphql_client_codegen v0.14.0
[INFO] [stderr]   Downloaded octocrab v0.41.2
[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" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a6e8e57d3ab4c81cb38db7f472b5715483462257dbcca56b3043acd3291fa53
[INFO] running `Command { std: "docker" "start" "-a" "5a6e8e57d3ab4c81cb38db7f472b5715483462257dbcca56b3043acd3291fa53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a6e8e57d3ab4c81cb38db7f472b5715483462257dbcca56b3043acd3291fa53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6e8e57d3ab4c81cb38db7f472b5715483462257dbcca56b3043acd3291fa53", kill_on_drop: false }`
[INFO] [stdout] 5a6e8e57d3ab4c81cb38db7f472b5715483462257dbcca56b3043acd3291fa53
[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" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0444394b34de88f9f4e9f58fd751a7c6ef716197e909810391816bae0f04a034
[INFO] running `Command { std: "docker" "start" "-a" "0444394b34de88f9f4e9f58fd751a7c6ef716197e909810391816bae0f04a034", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `futures-io v0.3.31`
[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 `futures-io v0.3.31`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-io-0.3.31`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "0444394b34de88f9f4e9f58fd751a7c6ef716197e909810391816bae0f04a034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0444394b34de88f9f4e9f58fd751a7c6ef716197e909810391816bae0f04a034", kill_on_drop: false }`
[INFO] [stdout] 0444394b34de88f9f4e9f58fd751a7c6ef716197e909810391816bae0f04a034