[INFO] fetching crate uint-zigzag 0.2.1...
[INFO] checking uint-zigzag-0.2.1 against master#a932eb36f8adf6c8cdfc450f063943da3112d621 for pr-140209-1
[INFO] extracting crate uint-zigzag 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate uint-zigzag 0.2.1 on toolchain a932eb36f8adf6c8cdfc450f063943da3112d621
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uint-zigzag 0.2.1
[INFO] finished tweaking crates.io crate uint-zigzag 0.2.1
[INFO] tweaked toml for crates.io crate uint-zigzag 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "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 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 627f1592eea479e32ec385037b8994fccbe082c40e37650198d39e7a1ebeeca3
[INFO] running `Command { std: "docker" "start" "-a" "627f1592eea479e32ec385037b8994fccbe082c40e37650198d39e7a1ebeeca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "627f1592eea479e32ec385037b8994fccbe082c40e37650198d39e7a1ebeeca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627f1592eea479e32ec385037b8994fccbe082c40e37650198d39e7a1ebeeca3", kill_on_drop: false }`
[INFO] [stdout] 627f1592eea479e32ec385037b8994fccbe082c40e37650198d39e7a1ebeeca3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fee170981051dfb77268def32bcc8669971174a612da093f130b2c9d4d848ff1
[INFO] running `Command { std: "docker" "start" "-a" "fee170981051dfb77268def32bcc8669971174a612da093f130b2c9d4d848ff1", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `core2 v0.4.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   config.json not found in registry
[INFO] running `Command { std: "docker" "inspect" "fee170981051dfb77268def32bcc8669971174a612da093f130b2c9d4d848ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee170981051dfb77268def32bcc8669971174a612da093f130b2c9d4d848ff1", kill_on_drop: false }`
[INFO] [stdout] fee170981051dfb77268def32bcc8669971174a612da093f130b2c9d4d848ff1