[INFO] fetching crate migration-dry-run 0.0.0...
[INFO] checking migration-dry-run-0.0.0 against try#34585ff556bad2462429cd3775623c743928a72f for pr-102593
[INFO] extracting crate migration-dry-run 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate migration-dry-run 0.0.0 on toolchain 34585ff556bad2462429cd3775623c743928a72f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+34585ff556bad2462429cd3775623c743928a72f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate migration-dry-run 0.0.0
[INFO] finished tweaking crates.io crate migration-dry-run 0.0.0
[INFO] tweaked toml for crates.io crate migration-dry-run 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+34585ff556bad2462429cd3775623c743928a72f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+34585ff556bad2462429cd3775623c743928a72f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+34585ff556bad2462429cd3775623c743928a72f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d6718f81da3b3d853f6a19ad9082afbecdc95a3442250e3966c9b1648605360
[INFO] running `Command { std: "docker" "start" "-a" "9d6718f81da3b3d853f6a19ad9082afbecdc95a3442250e3966c9b1648605360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d6718f81da3b3d853f6a19ad9082afbecdc95a3442250e3966c9b1648605360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6718f81da3b3d853f6a19ad9082afbecdc95a3442250e3966c9b1648605360", kill_on_drop: false }`
[INFO] [stdout] 9d6718f81da3b3d853f6a19ad9082afbecdc95a3442250e3966c9b1648605360
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+34585ff556bad2462429cd3775623c743928a72f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e3a0410d7875ae1af9b59ee4b0d07f6c514eeeae75686320f68657e75f24c1d
[INFO] running `Command { std: "docker" "start" "-a" "9e3a0410d7875ae1af9b59ee4b0d07f6c514eeeae75686320f68657e75f24c1d", kill_on_drop: false }`
[INFO] [stderr]     Checking migration-dry-run v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "9e3a0410d7875ae1af9b59ee4b0d07f6c514eeeae75686320f68657e75f24c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e3a0410d7875ae1af9b59ee4b0d07f6c514eeeae75686320f68657e75f24c1d", kill_on_drop: false }`
[INFO] [stdout] 9e3a0410d7875ae1af9b59ee4b0d07f6c514eeeae75686320f68657e75f24c1d