[INFO] cloning repository https://github.com/WilliamVenner/prefer-dynamic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WilliamVenner/prefer-dynamic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fprefer-dynamic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fprefer-dynamic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffd8b6a0a2dbedd892899e6c9b2176df6f233337
[INFO] checking WilliamVenner/prefer-dynamic against master#80ed61fbd64936ed676c2050e7e660b5ad78c9f2 for pr-100555
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fprefer-dynamic" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WilliamVenner/prefer-dynamic on toolchain 80ed61fbd64936ed676c2050e7e660b5ad78c9f2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WilliamVenner/prefer-dynamic
[INFO] finished tweaking git repo https://github.com/WilliamVenner/prefer-dynamic
[INFO] tweaked toml for git repo https://github.com/WilliamVenner/prefer-dynamic written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/WilliamVenner/prefer-dynamic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "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_shared v1.1.0
[INFO] [stderr]   Downloaded build_cfg_macros 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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92cc47953d2b123e1453f2b0c4d3f4c1f548bffafd82d500753854f95acaa8de
[INFO] running `Command { std: "docker" "start" "-a" "92cc47953d2b123e1453f2b0c4d3f4c1f548bffafd82d500753854f95acaa8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92cc47953d2b123e1453f2b0c4d3f4c1f548bffafd82d500753854f95acaa8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cc47953d2b123e1453f2b0c4d3f4c1f548bffafd82d500753854f95acaa8de", kill_on_drop: false }`
[INFO] [stdout] 92cc47953d2b123e1453f2b0c4d3f4c1f548bffafd82d500753854f95acaa8de
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d3e3b7d01b3abff08c1d0870d744182d58ab37af571517acaff6685d8134f3d
[INFO] running `Command { std: "docker" "start" "-a" "1d3e3b7d01b3abff08c1d0870d744182d58ab37af571517acaff6685d8134f3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[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 17.95s
[INFO] running `Command { std: "docker" "inspect" "1d3e3b7d01b3abff08c1d0870d744182d58ab37af571517acaff6685d8134f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3e3b7d01b3abff08c1d0870d744182d58ab37af571517acaff6685d8134f3d", kill_on_drop: false }`
[INFO] [stdout] 1d3e3b7d01b3abff08c1d0870d744182d58ab37af571517acaff6685d8134f3d