[INFO] fetching crate potoo 0.0.0...
[INFO] building potoo-0.0.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate potoo 0.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate potoo 0.0.0
[INFO] finished tweaking crates.io crate potoo 0.0.0
[INFO] tweaked toml for crates.io crate potoo 0.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate potoo 0.0.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate potoo 0.0.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dc59ac135b4e191268b247f553e32a58f929be228db61c82f0f30f7e59d00ad
[INFO] running `Command { std: "docker" "start" "-a" "3dc59ac135b4e191268b247f553e32a58f929be228db61c82f0f30f7e59d00ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dc59ac135b4e191268b247f553e32a58f929be228db61c82f0f30f7e59d00ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc59ac135b4e191268b247f553e32a58f929be228db61c82f0f30f7e59d00ad", kill_on_drop: false }`
[INFO] [stdout] 3dc59ac135b4e191268b247f553e32a58f929be228db61c82f0f30f7e59d00ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d4f673d2367dc4b576fee9f2908116b31d5169877a01d6ac5034355e7f6963a
[INFO] running `Command { std: "docker" "start" "-a" "7d4f673d2367dc4b576fee9f2908116b31d5169877a01d6ac5034355e7f6963a", kill_on_drop: false }`
[INFO] [stderr]    Compiling potoo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "7d4f673d2367dc4b576fee9f2908116b31d5169877a01d6ac5034355e7f6963a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4f673d2367dc4b576fee9f2908116b31d5169877a01d6ac5034355e7f6963a", kill_on_drop: false }`
[INFO] [stdout] 7d4f673d2367dc4b576fee9f2908116b31d5169877a01d6ac5034355e7f6963a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d79d5c3a69834638b32e3bee862ca13999a4758ab66f73e28624e9279d4c1a
[INFO] running `Command { std: "docker" "start" "-a" "a1d79d5c3a69834638b32e3bee862ca13999a4758ab66f73e28624e9279d4c1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling potoo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "a1d79d5c3a69834638b32e3bee862ca13999a4758ab66f73e28624e9279d4c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d79d5c3a69834638b32e3bee862ca13999a4758ab66f73e28624e9279d4c1a", kill_on_drop: false }`
[INFO] [stdout] a1d79d5c3a69834638b32e3bee862ca13999a4758ab66f73e28624e9279d4c1a