[INFO] fetching crate active 3.1.2...
[INFO] checking active-3.1.2 against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287
[INFO] extracting crate active 3.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate active 3.1.2 on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate active 3.1.2
[INFO] finished tweaking crates.io crate active 3.1.2
[INFO] tweaked toml for crates.io crate active 3.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate active 3.1.2 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" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 675708993f384351e32020785e8e8058ef78528b26d1be876bb920f34f7e8cf5
[INFO] running `Command { std: "docker" "start" "-a" "675708993f384351e32020785e8e8058ef78528b26d1be876bb920f34f7e8cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "675708993f384351e32020785e8e8058ef78528b26d1be876bb920f34f7e8cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675708993f384351e32020785e8e8058ef78528b26d1be876bb920f34f7e8cf5", kill_on_drop: false }`
[INFO] [stdout] 675708993f384351e32020785e8e8058ef78528b26d1be876bb920f34f7e8cf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cb3fec643eba9bf5abdd1315ca0f0fec70b61765966124e0b1796bfbecb27d7
[INFO] running `Command { std: "docker" "start" "-a" "2cb3fec643eba9bf5abdd1315ca0f0fec70b61765966124e0b1796bfbecb27d7", kill_on_drop: false }`
[INFO] [stderr]     Checking active v3.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "2cb3fec643eba9bf5abdd1315ca0f0fec70b61765966124e0b1796bfbecb27d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb3fec643eba9bf5abdd1315ca0f0fec70b61765966124e0b1796bfbecb27d7", kill_on_drop: false }`
[INFO] [stdout] 2cb3fec643eba9bf5abdd1315ca0f0fec70b61765966124e0b1796bfbecb27d7