[INFO] fetching crate mtanzaku 0.1.1...
[INFO] building mtanzaku-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate mtanzaku 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mtanzaku 0.1.1
[INFO] finished tweaking crates.io crate mtanzaku 0.1.1
[INFO] tweaked toml for crates.io crate mtanzaku 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtanzaku 0.1.1 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 mtanzaku 0.1.1 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ad3ec7a9d4c5dd1267b537dc83c090cb9da873536eac3ef1ef2286e3801b0b60
[INFO] running `Command { std: "docker" "start" "-a" "ad3ec7a9d4c5dd1267b537dc83c090cb9da873536eac3ef1ef2286e3801b0b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad3ec7a9d4c5dd1267b537dc83c090cb9da873536eac3ef1ef2286e3801b0b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3ec7a9d4c5dd1267b537dc83c090cb9da873536eac3ef1ef2286e3801b0b60", kill_on_drop: false }`
[INFO] [stdout] ad3ec7a9d4c5dd1267b537dc83c090cb9da873536eac3ef1ef2286e3801b0b60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2fea8e09e217f248a6f700c7c92382fac5b9962826ef23753042537e0d69ba87
[INFO] running `Command { std: "docker" "start" "-a" "2fea8e09e217f248a6f700c7c92382fac5b9962826ef23753042537e0d69ba87", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtanzaku v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2fea8e09e217f248a6f700c7c92382fac5b9962826ef23753042537e0d69ba87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fea8e09e217f248a6f700c7c92382fac5b9962826ef23753042537e0d69ba87", kill_on_drop: false }`
[INFO] [stdout] 2fea8e09e217f248a6f700c7c92382fac5b9962826ef23753042537e0d69ba87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b0366c9415bbb5f9f91743fd057227c21fd3fd8eb0d68b2687c3ff7f2834bef9
[INFO] running `Command { std: "docker" "start" "-a" "b0366c9415bbb5f9f91743fd057227c21fd3fd8eb0d68b2687c3ff7f2834bef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtanzaku v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "b0366c9415bbb5f9f91743fd057227c21fd3fd8eb0d68b2687c3ff7f2834bef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0366c9415bbb5f9f91743fd057227c21fd3fd8eb0d68b2687c3ff7f2834bef9", kill_on_drop: false }`
[INFO] [stdout] b0366c9415bbb5f9f91743fd057227c21fd3fd8eb0d68b2687c3ff7f2834bef9