[INFO] fetching crate serde_taml 0.0.3...
[INFO] checking serde_taml-0.0.3 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate serde_taml 0.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate serde_taml 0.0.3
[INFO] finished tweaking crates.io crate serde_taml 0.0.3
[INFO] tweaked toml for crates.io crate serde_taml 0.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_taml 0.0.3 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]     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 131 packages to latest compatible versions
[INFO] [stderr]       Adding cast v0.2.7 (available: v0.3.0)
[INFO] [stderr]       Adding educe v0.4.23 (available: v0.6.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.11.0)
[INFO] [stderr]       Adding joinery v2.1.0 (available: v3.1.0)
[INFO] [stderr]       Adding linkme v0.2.10 (available: v0.3.33)
[INFO] [stderr]       Adding logos v0.12.1 (available: v0.15.1)
[INFO] [stderr]       Adding scientific v0.1.3 (available: v0.5.3)
[INFO] [stderr]       Adding try_match v0.2.3 (available: v0.4.2)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded try_match v0.2.3
[INFO] [stderr]   Downloaded lazy-transform-str v0.0.6
[INFO] [stderr]   Downloaded try_match_inner v0.3.0
[INFO] [stderr]   Downloaded enum_properties v0.3.0
[INFO] [stderr]   Downloaded gnaw v0.0.2
[INFO] [stderr]   Downloaded serde-object v0.0.0-alpha.0
[INFO] [stderr]   Downloaded smartstring v0.2.10
[INFO] [stderr]   Downloaded debugless-unwrap v0.0.4
[INFO] [stderr]   Downloaded scientific v0.1.3
[INFO] [stderr]   Downloaded cervine v0.0.6
[INFO] [stderr]   Downloaded taml v0.0.11
[INFO] [stderr]   Downloaded git_info v0.1.3
[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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f35493235c91162993fe4d26e56e33e01a798d3eeeac34ce18483c6d910cd38a
[INFO] running `Command { std: "docker" "start" "-a" "f35493235c91162993fe4d26e56e33e01a798d3eeeac34ce18483c6d910cd38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f35493235c91162993fe4d26e56e33e01a798d3eeeac34ce18483c6d910cd38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35493235c91162993fe4d26e56e33e01a798d3eeeac34ce18483c6d910cd38a", kill_on_drop: false }`
[INFO] [stdout] f35493235c91162993fe4d26e56e33e01a798d3eeeac34ce18483c6d910cd38a
[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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30d7e8992a6fbe06f444bde1f447a9e46210174ef11751fff5f7dc44329f3d26
[INFO] running `Command { std: "docker" "start" "-a" "30d7e8992a6fbe06f444bde1f447a9e46210174ef11751fff5f7dc44329f3d26", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `utf8_iter v1.0.4`
[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 `utf8_iter v1.0.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/utf8_iter-1.0.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "30d7e8992a6fbe06f444bde1f447a9e46210174ef11751fff5f7dc44329f3d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d7e8992a6fbe06f444bde1f447a9e46210174ef11751fff5f7dc44329f3d26", kill_on_drop: false }`
[INFO] [stdout] 30d7e8992a6fbe06f444bde1f447a9e46210174ef11751fff5f7dc44329f3d26