[INFO] fetching crate prefer-dynamic 0.1.2...
[INFO] checking prefer-dynamic-0.1.2 against master#542febd2d383b5082277c7d165b098c0a3b513f6 for pr-103293
[INFO] extracting crate prefer-dynamic 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate prefer-dynamic 0.1.2 on toolchain 542febd2d383b5082277c7d165b098c0a3b513f6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prefer-dynamic 0.1.2
[INFO] finished tweaking crates.io crate prefer-dynamic 0.1.2
[INFO] tweaked toml for crates.io crate prefer-dynamic 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded build_cfg v1.1.0
[INFO] [stderr]   Downloaded build_cfg_macros v1.1.0
[INFO] [stderr]   Downloaded build_cfg_shared v1.1.0
[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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2748eca9867b4c73a7632154a5327c0acc4913ff8f958cf1c690284618c2ccbb
[INFO] running `Command { std: "docker" "start" "-a" "2748eca9867b4c73a7632154a5327c0acc4913ff8f958cf1c690284618c2ccbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2748eca9867b4c73a7632154a5327c0acc4913ff8f958cf1c690284618c2ccbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2748eca9867b4c73a7632154a5327c0acc4913ff8f958cf1c690284618c2ccbb", kill_on_drop: false }`
[INFO] [stdout] 2748eca9867b4c73a7632154a5327c0acc4913ff8f958cf1c690284618c2ccbb
[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" "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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab016f041f63e8c79a88e7b495eefb944821c43e8ee69b9805051678bf6f3a57
[INFO] running `Command { std: "docker" "start" "-a" "ab016f041f63e8c79a88e7b495eefb944821c43e8ee69b9805051678bf6f3a57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling build_cfg_shared v1.1.0
[INFO] [stderr]    Compiling build_cfg_macros v1.1.0
[INFO] [stderr]    Compiling build_cfg v1.1.0
[INFO] [stderr]    Compiling prefer-dynamic v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.20s
[INFO] running `Command { std: "docker" "inspect" "ab016f041f63e8c79a88e7b495eefb944821c43e8ee69b9805051678bf6f3a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab016f041f63e8c79a88e7b495eefb944821c43e8ee69b9805051678bf6f3a57", kill_on_drop: false }`
[INFO] [stdout] ab016f041f63e8c79a88e7b495eefb944821c43e8ee69b9805051678bf6f3a57