[INFO] fetching crate bollard-next-stubs 1.45.1-rc.26.0.1...
[INFO] checking bollard-next-stubs-1.45.1-rc.26.0.1 against master#fe55364329579d361b1ab565728bc033a7dba07e for pr-146013
[INFO] extracting crate bollard-next-stubs 1.45.1-rc.26.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate bollard-next-stubs 1.45.1-rc.26.0.1
[INFO] finished tweaking crates.io crate bollard-next-stubs 1.45.1-rc.26.0.1
[INFO] tweaked toml for crates.io crate bollard-next-stubs 1.45.1-rc.26.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bollard-next-stubs 1.45.1-rc.26.0.1 on toolchain fe55364329579d361b1ab565728bc033a7dba07e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "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" "+fe55364329579d361b1ab565728bc033a7dba07e" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 186 packages to latest compatible versions
[INFO] [stderr]       Adding bollard-buildkit-proto v0.4.0 (available: v0.7.0)
[INFO] [stderr]       Adding prost v0.13.5 (available: v0.14.1)
[INFO] [stderr]       Adding schemars v0.8.22 (available: v1.0.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bollard-buildkit-proto v0.4.0
[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" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dd541be97dda72db2ccf4e8d1a7d669c5427806bf497033701c2bf87b84425f
[INFO] running `Command { std: "docker" "start" "-a" "4dd541be97dda72db2ccf4e8d1a7d669c5427806bf497033701c2bf87b84425f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd541be97dda72db2ccf4e8d1a7d669c5427806bf497033701c2bf87b84425f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd541be97dda72db2ccf4e8d1a7d669c5427806bf497033701c2bf87b84425f", kill_on_drop: false }`
[INFO] [stdout] 4dd541be97dda72db2ccf4e8d1a7d669c5427806bf497033701c2bf87b84425f
[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" "+fe55364329579d361b1ab565728bc033a7dba07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9f1de0fb8e221f1829f8dc9e36d42a21d555a2810617f7b1279dcf0bdbd5d84
[INFO] running `Command { std: "docker" "start" "-a" "d9f1de0fb8e221f1829f8dc9e36d42a21d555a2810617f7b1279dcf0bdbd5d84", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `ref-cast v1.0.24`
[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 `ref-cast v1.0.24`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ref-cast-1.0.24`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "d9f1de0fb8e221f1829f8dc9e36d42a21d555a2810617f7b1279dcf0bdbd5d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f1de0fb8e221f1829f8dc9e36d42a21d555a2810617f7b1279dcf0bdbd5d84", kill_on_drop: false }`
[INFO] [stdout] d9f1de0fb8e221f1829f8dc9e36d42a21d555a2810617f7b1279dcf0bdbd5d84