[INFO] fetching crate prefer-dynamic 0.1.2...
[INFO] checking prefer-dynamic-0.1.2 against master#ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd for pr-103914
[INFO] extracting crate prefer-dynamic 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate prefer-dynamic 0.1.2 on toolchain ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded build_cfg_shared v1.1.0
[INFO] [stderr]   Downloaded build_cfg_macros v1.1.0
[INFO] [stderr]   Downloaded build_cfg v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e53439533de4f11aa3ed2ebc7a7fa0726c8c276504bf26173fd5808addb5426e
[INFO] running `Command { std: "docker" "start" "-a" "e53439533de4f11aa3ed2ebc7a7fa0726c8c276504bf26173fd5808addb5426e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e53439533de4f11aa3ed2ebc7a7fa0726c8c276504bf26173fd5808addb5426e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e53439533de4f11aa3ed2ebc7a7fa0726c8c276504bf26173fd5808addb5426e", kill_on_drop: false }`
[INFO] [stdout] e53439533de4f11aa3ed2ebc7a7fa0726c8c276504bf26173fd5808addb5426e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe8c66a3576c1827ae20dcf6cdf82a899573d6ee70d7c59ac9889fa56ce799b
[INFO] running `Command { std: "docker" "start" "-a" "6fe8c66a3576c1827ae20dcf6cdf82a899573d6ee70d7c59ac9889fa56ce799b", 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 15.94s
[INFO] running `Command { std: "docker" "inspect" "6fe8c66a3576c1827ae20dcf6cdf82a899573d6ee70d7c59ac9889fa56ce799b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe8c66a3576c1827ae20dcf6cdf82a899573d6ee70d7c59ac9889fa56ce799b", kill_on_drop: false }`
[INFO] [stdout] 6fe8c66a3576c1827ae20dcf6cdf82a899573d6ee70d7c59ac9889fa56ce799b