[INFO] fetching crate silver-platter 0.6.0...
[INFO] checking silver-platter-0.6.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate silver-platter 0.6.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate silver-platter 0.6.0
[INFO] finished tweaking crates.io crate silver-platter 0.6.0
[INFO] tweaked toml for crates.io crate silver-platter 0.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate silver-platter 0.6.0 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] crate crates.io crate silver-platter 0.6.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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 xdg v3.0.0
[INFO] [stderr]   Downloaded deb822-derive v0.2.0
[INFO] [stderr]   Downloaded dirty-tracker v0.3.0
[INFO] [stderr]   Downloaded pyo3-filelike v0.5.0
[INFO] [stderr]   Downloaded merge3 v0.2.0
[INFO] [stderr]   Downloaded configparser v3.1.0
[INFO] [stderr]   Downloaded debian-control v0.1.46
[INFO] [stderr]   Downloaded distro-info v0.4.0
[INFO] [stderr]   Downloaded debian-copyright v0.1.27
[INFO] [stderr]   Downloaded makefile-lossless v0.2.1
[INFO] [stderr]   Downloaded debian-changelog v0.2.1
[INFO] [stderr]   Downloaded deb822-fast v0.2.0
[INFO] [stderr]   Downloaded xml5ever v0.18.1
[INFO] [stderr]   Downloaded wadl v0.5.1
[INFO] [stderr]   Downloaded breezyshim v0.6.3
[INFO] [stderr]   Downloaded deb822-derive v0.3.0
[INFO] [stderr]   Downloaded deb822-lossless v0.3.1
[INFO] [stderr]   Downloaded launchpadlib v0.4.6
[INFO] [stderr]   Downloaded patchkit v0.2.1
[INFO] [stderr]   Downloaded debian-analyzer v0.159.2
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.3.0
[INFO] [stderr]   Downloaded html2md v0.2.15
[INFO] [stderr]   Downloaded trivialdb v0.1.9
[INFO] [stderr]   Downloaded dep3 v0.1.28
[INFO] [stderr]   Downloaded deb822-lossless v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dc05ee76552210f82ede373b9e8f289703f5c3708d0adb25006d75e0c42d04cf
[INFO] running `Command { std: "docker" "start" "-a" "dc05ee76552210f82ede373b9e8f289703f5c3708d0adb25006d75e0c42d04cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc05ee76552210f82ede373b9e8f289703f5c3708d0adb25006d75e0c42d04cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc05ee76552210f82ede373b9e8f289703f5c3708d0adb25006d75e0c42d04cf", kill_on_drop: false }`
[INFO] [stdout] dc05ee76552210f82ede373b9e8f289703f5c3708d0adb25006d75e0c42d04cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2d95884614c044135fdd9936fceb89df89ab1ef1ba2c612e44adf8a587d65a23
[INFO] running `Command { std: "docker" "start" "-a" "2d95884614c044135fdd9936fceb89df89ab1ef1ba2c612e44adf8a587d65a23", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `ctor v0.4.3`
[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 `ctor v0.4.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ctor-0.4.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "2d95884614c044135fdd9936fceb89df89ab1ef1ba2c612e44adf8a587d65a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d95884614c044135fdd9936fceb89df89ab1ef1ba2c612e44adf8a587d65a23", kill_on_drop: false }`
[INFO] [stdout] 2d95884614c044135fdd9936fceb89df89ab1ef1ba2c612e44adf8a587d65a23