[INFO] fetching crate dotter 0.13.3...
[INFO] checking dotter-0.13.3 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate dotter 0.13.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate dotter 0.13.3
[INFO] finished tweaking crates.io crate dotter 0.13.3
[INFO] tweaked toml for crates.io crate dotter 0.13.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dotter 0.13.3 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] crate crates.io crate dotter 0.13.3 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 project-origins v1.4.0
[INFO] [stderr]   Downloaded watchexec-events v2.0.1
[INFO] [stderr]   Downloaded normalize-path v0.2.1
[INFO] [stderr]   Downloaded watchexec-supervisor v1.0.3
[INFO] [stderr]   Downloaded watchexec-signals v2.1.0
[INFO] [stderr]   Downloaded watchexec-filterer-tagged v1.0.0
[INFO] [stderr]   Downloaded watchexec v3.0.1
[INFO] [stderr]   Downloaded watchexec-filterer-ignore v2.0.1
[INFO] [stderr]   Downloaded gix-glob v0.14.1
[INFO] [stderr]   Downloaded cruet v0.14.0
[INFO] [stderr]   Downloaded evalexpr v11.3.0
[INFO] [stderr]   Downloaded jmespath v0.3.0
[INFO] [stderr]   Downloaded gix-features v0.36.1
[INFO] [stderr]   Downloaded prodash v26.2.2
[INFO] [stderr]   Downloaded deunicode v1.6.0
[INFO] [stderr]   Downloaded gix-object v0.38.0
[INFO] [stderr]   Downloaded gix-ref v0.38.0
[INFO] [stderr]   Downloaded gix-path v0.10.10
[INFO] [stderr]   Downloaded gix-config v0.31.0
[INFO] [stderr]   Downloaded ignore-files v1.3.2
[INFO] [stderr]   Downloaded command-group v5.0.1
[INFO] [stderr]   Downloaded enquote v1.1.0
[INFO] [stderr]   Downloaded handlebars_misc_helpers v0.15.0
[INFO] [stderr]   Downloaded async-priority-channel v0.1.0
[INFO] [stderr]   Downloaded gix-config-value v0.14.7
[INFO] [stderr]   Downloaded gix-actor v0.28.1
[INFO] [stderr]   Downloaded gix-fs v0.8.1
[INFO] [stderr]   Downloaded gix-trace v0.1.9
[INFO] [stderr]   Downloaded gix-utils v0.1.12
[INFO] [stderr]   Downloaded gix-lock v11.0.1
[INFO] [stderr]   Downloaded gix-hash v0.13.3
[INFO] [stderr]   Downloaded gix-tempfile v11.0.1
[INFO] [stderr]   Downloaded gix-sec v0.10.7
[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] 9250a7d78d174559cf31b51d3c754a2f6625a0b43bb6391c121afd2632e0b349
[INFO] running `Command { std: "docker" "start" "-a" "9250a7d78d174559cf31b51d3c754a2f6625a0b43bb6391c121afd2632e0b349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9250a7d78d174559cf31b51d3c754a2f6625a0b43bb6391c121afd2632e0b349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9250a7d78d174559cf31b51d3c754a2f6625a0b43bb6391c121afd2632e0b349", kill_on_drop: false }`
[INFO] [stdout] 9250a7d78d174559cf31b51d3c754a2f6625a0b43bb6391c121afd2632e0b349
[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] 6bd85d20852c331b78f5eddf0f035f2c2454bcdec5be7c3126279b484c784204
[INFO] running `Command { std: "docker" "start" "-a" "6bd85d20852c331b78f5eddf0f035f2c2454bcdec5be7c3126279b484c784204", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `tempfile v3.10.1`
[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 `tempfile v3.10.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tempfile-3.10.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "6bd85d20852c331b78f5eddf0f035f2c2454bcdec5be7c3126279b484c784204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd85d20852c331b78f5eddf0f035f2c2454bcdec5be7c3126279b484c784204", kill_on_drop: false }`
[INFO] [stdout] 6bd85d20852c331b78f5eddf0f035f2c2454bcdec5be7c3126279b484c784204