[INFO] fetching crate rowdy 0.0.9...
[INFO] testing rowdy-0.0.9 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate rowdy 0.0.9 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate rowdy 0.0.9
[INFO] finished tweaking crates.io crate rowdy 0.0.9
[INFO] tweaked toml for crates.io crate rowdy 0.0.9 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rowdy 0.0.9 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 259 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.9.0 (available: v0.12.1)
[INFO] [stderr]       Adding biscuit v0.1.1 (available: v0.7.0)
[INFO] [stderr]       Adding hyper v0.10.16 (available: v1.7.0)
[INFO] [stderr]       Adding ldap3 v0.6.1 (available: v0.11.5)
[INFO] [stderr]       Adding ring v0.13.5 (available: v0.17.14)
[INFO] [stderr]       Adding rocket v0.4.11 (available: v0.5.1)
[INFO] [stderr]       Adding rocket_cors v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding strfmt v0.1.6 (available: v0.2.5)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding uuid v0.4.0 (available: v1.18.0)
[INFO] [stderr]       Adding version_check v0.1.5 (available: v0.9.5)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-uds-proto v0.1.1
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded strfmt v0.1.6
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded tokio-uds v0.1.7
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded rocket_cors v0.4.0
[INFO] [stderr]   Downloaded lber v0.1.6
[INFO] [stderr]   Downloaded biscuit v0.1.1
[INFO] [stderr]   Downloaded ldap3 v0.6.1
[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] 5161cfaf2a39b09ef70d2bda09705b838795be30eca9a8a350418cd5577feb6c
[INFO] running `Command { std: "docker" "start" "-a" "5161cfaf2a39b09ef70d2bda09705b838795be30eca9a8a350418cd5577feb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5161cfaf2a39b09ef70d2bda09705b838795be30eca9a8a350418cd5577feb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5161cfaf2a39b09ef70d2bda09705b838795be30eca9a8a350418cd5577feb6c", kill_on_drop: false }`
[INFO] [stdout] 5161cfaf2a39b09ef70d2bda09705b838795be30eca9a8a350418cd5577feb6c
[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] f28fdd61ea3364439e706eadfce94a03a04d22babc0e434280d3da4aa2b800b5
[INFO] running `Command { std: "docker" "start" "-a" "f28fdd61ea3364439e706eadfce94a03a04d22babc0e434280d3da4aa2b800b5", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `shlex v1.3.0`
[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 `shlex v1.3.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shlex-1.3.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "f28fdd61ea3364439e706eadfce94a03a04d22babc0e434280d3da4aa2b800b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28fdd61ea3364439e706eadfce94a03a04d22babc0e434280d3da4aa2b800b5", kill_on_drop: false }`
[INFO] [stdout] f28fdd61ea3364439e706eadfce94a03a04d22babc0e434280d3da4aa2b800b5