[INFO] fetching crate derive_more 2.1.1...
[INFO] testing derive_more-2.1.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate derive_more 2.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate derive_more 2.1.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate derive_more 2.1.1
[INFO] tweaked toml for crates.io crate derive_more 2.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive_more 2.1.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate derive_more 2.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.16
[INFO] [stderr]   Downloaded toml v0.9.10+spec-1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f9cb5fd1109ca84bff7697c1ebc2672526ef3ba9618762e41e93fbc94a703451
[INFO] running `Command { std: "docker" "start" "f9cb5fd1109ca84bff7697c1ebc2672526ef3ba9618762e41e93fbc94a703451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9cb5fd1109ca84bff7697c1ebc2672526ef3ba9618762e41e93fbc94a703451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9cb5fd1109ca84bff7697c1ebc2672526ef3ba9618762e41e93fbc94a703451" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9cb5fd1109ca84bff7697c1ebc2672526ef3ba9618762e41e93fbc94a703451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9cb5fd1109ca84bff7697c1ebc2672526ef3ba9618762e41e93fbc94a703451" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling derive_more v2.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: at least one derive feature must be enabled (or the "full" feature enabling all the derives)
[INFO] [stdout]    --> src/lib.rs:476:1
[INFO] [stdout]     |
[INFO] [stdout] 476 | / compile_error!(
[INFO] [stdout] 477 | |     "at least one derive feature must be enabled (or the \"full\" feature enabling all the derives)"
[INFO] [stdout] 478 | | );
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `derive_more` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f9cb5fd1109ca84bff7697c1ebc2672526ef3ba9618762e41e93fbc94a703451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9cb5fd1109ca84bff7697c1ebc2672526ef3ba9618762e41e93fbc94a703451", kill_on_drop: false }`
[INFO] [stdout] f9cb5fd1109ca84bff7697c1ebc2672526ef3ba9618762e41e93fbc94a703451
