[INFO] fetching crate union-find 0.3.3...
[INFO] checking union-find-0.3.3 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate union-find 0.3.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate union-find 0.3.3 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate union-find 0.3.3
[INFO] finished tweaking crates.io crate union-find 0.3.3
[INFO] tweaked toml for crates.io crate union-find 0.3.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43d20a2beb09c5f2c9d34ea4af0fc0c65487cd20ca683303c2d2d73f3e7a8026
[INFO] running `Command { std: "docker" "start" "-a" "43d20a2beb09c5f2c9d34ea4af0fc0c65487cd20ca683303c2d2d73f3e7a8026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d20a2beb09c5f2c9d34ea4af0fc0c65487cd20ca683303c2d2d73f3e7a8026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d20a2beb09c5f2c9d34ea4af0fc0c65487cd20ca683303c2d2d73f3e7a8026", kill_on_drop: false }`
[INFO] [stdout] 43d20a2beb09c5f2c9d34ea4af0fc0c65487cd20ca683303c2d2d73f3e7a8026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4a76ed62993f50c04544ebfd212ad3bbab85d37dd2caeeaa68853c77d44859c
[INFO] running `Command { std: "docker" "start" "-a" "f4a76ed62993f50c04544ebfd212ad3bbab85d37dd2caeeaa68853c77d44859c", kill_on_drop: false }`
[INFO] [stderr]     Checking union-find v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "f4a76ed62993f50c04544ebfd212ad3bbab85d37dd2caeeaa68853c77d44859c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a76ed62993f50c04544ebfd212ad3bbab85d37dd2caeeaa68853c77d44859c", kill_on_drop: false }`
[INFO] [stdout] f4a76ed62993f50c04544ebfd212ad3bbab85d37dd2caeeaa68853c77d44859c