[INFO] fetching crate binstalk-downloader 0.13.21...
[INFO] testing binstalk-downloader-0.13.21 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate binstalk-downloader 0.13.21 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate binstalk-downloader 0.13.21
[INFO] finished tweaking crates.io crate binstalk-downloader 0.13.21
[INFO] tweaked toml for crates.io crate binstalk-downloader 0.13.21 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate binstalk-downloader 0.13.21 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 binstalk-downloader 0.13.21 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 rc-zip-sync v4.3.0
[INFO] [stderr]   Downloaded oval v2.0.0
[INFO] [stderr]   Downloaded ownable-macro v0.6.0
[INFO] [stderr]   Downloaded ownable v0.6.2
[INFO] [stderr]   Downloaded h3-quinn v0.0.10
[INFO] [stderr]   Downloaded binstalk-types v0.10.0
[INFO] [stderr]   Downloaded h3-quinn v0.0.9
[INFO] [stderr]   Downloaded rc-zip v5.3.1
[INFO] [stderr]   Downloaded oem_cp v2.0.0
[INFO] [stderr]   Downloaded h3 v0.0.8
[INFO] [stderr]   Downloaded binstall-tar v0.4.42
[INFO] [stderr]   Downloaded compact_str v0.9.0
[INFO] [stderr]   Downloaded chardetng v0.1.17
[INFO] [stderr]   Downloaded default-net v0.22.0
[INFO] [stderr]   Downloaded libbz2-rs-sys v0.1.3
[INFO] [stderr]   Downloaded h3 v0.0.7
[INFO] [stderr]   Downloaded libz-ng-sys v1.1.22
[INFO] [stderr]   Downloaded positioned-io v0.3.4
[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] 0a4fb28e69bc7a6753d718bba8e9cce16bb5b98b8666b19364dcd335aee68305
[INFO] running `Command { std: "docker" "start" "-a" "0a4fb28e69bc7a6753d718bba8e9cce16bb5b98b8666b19364dcd335aee68305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a4fb28e69bc7a6753d718bba8e9cce16bb5b98b8666b19364dcd335aee68305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4fb28e69bc7a6753d718bba8e9cce16bb5b98b8666b19364dcd335aee68305", kill_on_drop: false }`
[INFO] [stdout] 0a4fb28e69bc7a6753d718bba8e9cce16bb5b98b8666b19364dcd335aee68305
[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] f19eff65cb7647cfa497fc21078bea1779b0145c0a552121cb7a9676a22a051c
[INFO] running `Command { std: "docker" "start" "-a" "f19eff65cb7647cfa497fc21078bea1779b0145c0a552121cb7a9676a22a051c", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `zstd-sys v2.0.15+zstd.1.5.7`
[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 `zstd-sys v2.0.15+zstd.1.5.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zstd-sys-2.0.15+zstd.1.5.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "f19eff65cb7647cfa497fc21078bea1779b0145c0a552121cb7a9676a22a051c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19eff65cb7647cfa497fc21078bea1779b0145c0a552121cb7a9676a22a051c", kill_on_drop: false }`
[INFO] [stdout] f19eff65cb7647cfa497fc21078bea1779b0145c0a552121cb7a9676a22a051c