[INFO] fetching crate cdoc 0.8.1...
[INFO] testing cdoc-0.8.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate cdoc 0.8.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate cdoc 0.8.1
[INFO] finished tweaking crates.io crate cdoc 0.8.1
[INFO] tweaked toml for crates.io crate cdoc 0.8.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cdoc 0.8.1 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 cdoc 0.8.1 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 typetag-impl v0.2.16
[INFO] [stderr]   Downloaded serde_derive v1.0.200
[INFO] [stderr]   Downloaded slug v0.1.5
[INFO] [stderr]   Downloaded code-product v0.3.0
[INFO] [stderr]   Downloaded constptr v0.2.0
[INFO] [stderr]   Downloaded mutants v0.0.3
[INFO] [stderr]   Downloaded code-product-lib v0.3.0
[INFO] [stderr]   Downloaded yaml-front-matter v0.1.0
[INFO] [stderr]   Downloaded code-product-macro v0.3.0
[INFO] [stderr]   Downloaded serde_test v1.0.176
[INFO] [stderr]   Downloaded cowstr v1.3.0
[INFO] [stderr]   Downloaded cdoc-parser v0.1.1
[INFO] [stderr]   Downloaded anyhow v1.0.82
[INFO] [stderr]   Downloaded serde v1.0.200
[INFO] [stderr]   Downloaded cc v1.0.96
[INFO] [stderr]   Downloaded tera v1.19.1
[INFO] [stderr]   Downloaded rustls-pki-types v1.5.0
[INFO] [stderr]   Downloaded ignore v0.4.22
[INFO] [stderr]   Downloaded deunicode v1.4.4
[INFO] [stderr]   Downloaded rhai_codegen v2.1.0
[INFO] [stderr]   Downloaded thin-vec v0.2.13
[INFO] [stderr]   Downloaded typetag v0.2.16
[INFO] [stderr]   Downloaded nanoid v0.4.0
[INFO] [stderr]   Downloaded phf_codegen v0.11.2
[INFO] [stderr]   Downloaded chrono-tz-build v0.2.1
[INFO] [stderr]   Downloaded inventory v0.3.15
[INFO] [stderr]   Downloaded rhai v1.18.0
[INFO] [stderr]   Downloaded bstr v1.9.1
[INFO] [stderr]   Downloaded chrono-tz v0.8.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3fd49dc0bf2880baef78da3babb70666f130b44f688d42ed8f04d47a6bb387c9
[INFO] running `Command { std: "docker" "start" "-a" "3fd49dc0bf2880baef78da3babb70666f130b44f688d42ed8f04d47a6bb387c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fd49dc0bf2880baef78da3babb70666f130b44f688d42ed8f04d47a6bb387c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd49dc0bf2880baef78da3babb70666f130b44f688d42ed8f04d47a6bb387c9", kill_on_drop: false }`
[INFO] [stdout] 3fd49dc0bf2880baef78da3babb70666f130b44f688d42ed8f04d47a6bb387c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7585d0342c66cb70378b8ae92ad78cffe1cb3ebecf70afa3777f5edf084ed53b
[INFO] running `Command { std: "docker" "start" "-a" "7585d0342c66cb70378b8ae92ad78cffe1cb3ebecf70afa3777f5edf084ed53b", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `bytes v1.6.0`
[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 `bytes v1.6.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bytes-1.6.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "7585d0342c66cb70378b8ae92ad78cffe1cb3ebecf70afa3777f5edf084ed53b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7585d0342c66cb70378b8ae92ad78cffe1cb3ebecf70afa3777f5edf084ed53b", kill_on_drop: false }`
[INFO] [stdout] 7585d0342c66cb70378b8ae92ad78cffe1cb3ebecf70afa3777f5edf084ed53b