[INFO] fetching crate RustQuant_ml 0.4.0...
[INFO] checking RustQuant_ml-0.4.0 against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268
[INFO] extracting crate RustQuant_ml 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate RustQuant_ml 0.4.0 on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate RustQuant_ml 0.4.0
[INFO] finished tweaking crates.io crate RustQuant_ml 0.4.0
[INFO] tweaked toml for crates.io crate RustQuant_ml 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 470 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa271c32a5c21748bb25ce862a24a6d0bf02cad8f07ab5403ed1b9db0d245406
[INFO] running `Command { std: "docker" "start" "-a" "fa271c32a5c21748bb25ce862a24a6d0bf02cad8f07ab5403ed1b9db0d245406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa271c32a5c21748bb25ce862a24a6d0bf02cad8f07ab5403ed1b9db0d245406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa271c32a5c21748bb25ce862a24a6d0bf02cad8f07ab5403ed1b9db0d245406", kill_on_drop: false }`
[INFO] [stdout] fa271c32a5c21748bb25ce862a24a6d0bf02cad8f07ab5403ed1b9db0d245406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cc2d55aa075b0fd5057f4e3e1b5eaef20460bd9a2eb8b00595cc90cc2c99e1b
[INFO] running `Command { std: "docker" "start" "-a" "1cc2d55aa075b0fd5057f4e3e1b5eaef20460bd9a2eb8b00595cc90cc2c99e1b", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "1cc2d55aa075b0fd5057f4e3e1b5eaef20460bd9a2eb8b00595cc90cc2c99e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc2d55aa075b0fd5057f4e3e1b5eaef20460bd9a2eb8b00595cc90cc2c99e1b", kill_on_drop: false }`
[INFO] [stdout] 1cc2d55aa075b0fd5057f4e3e1b5eaef20460bd9a2eb8b00595cc90cc2c99e1b