[INFO] fetching crate prefer-dynamic 0.1.2...
[INFO] checking prefer-dynamic-0.1.2 against master#ab37a83ae2c829b8597bdcda8244964ebc60b495 for pr-99943
[INFO] extracting crate prefer-dynamic 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate prefer-dynamic 0.1.2 on toolchain ab37a83ae2c829b8597bdcda8244964ebc60b495
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1987b25956da45c260c56bac42ade39ffccce1c49367528c1a4c88e00ce2f55
[INFO] running `Command { std: "docker" "start" "-a" "b1987b25956da45c260c56bac42ade39ffccce1c49367528c1a4c88e00ce2f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1987b25956da45c260c56bac42ade39ffccce1c49367528c1a4c88e00ce2f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1987b25956da45c260c56bac42ade39ffccce1c49367528c1a4c88e00ce2f55", kill_on_drop: false }`
[INFO] [stdout] b1987b25956da45c260c56bac42ade39ffccce1c49367528c1a4c88e00ce2f55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae71a9131584f8d68d77a7c4c76c25060b6a43e6eeb89cbe66831aa3f80522b5
[INFO] running `Command { std: "docker" "start" "-a" "ae71a9131584f8d68d77a7c4c76c25060b6a43e6eeb89cbe66831aa3f80522b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[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 11.91s
[INFO] running `Command { std: "docker" "inspect" "ae71a9131584f8d68d77a7c4c76c25060b6a43e6eeb89cbe66831aa3f80522b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae71a9131584f8d68d77a7c4c76c25060b6a43e6eeb89cbe66831aa3f80522b5", kill_on_drop: false }`
[INFO] [stdout] ae71a9131584f8d68d77a7c4c76c25060b6a43e6eeb89cbe66831aa3f80522b5