[INFO] fetching crate der_derive 0.8.0-rc.3...
[INFO] checking der_derive-0.8.0-rc.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate der_derive 0.8.0-rc.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate der_derive 0.8.0-rc.3
[INFO] finished tweaking crates.io crate der_derive 0.8.0-rc.3
[INFO] tweaked toml for crates.io crate der_derive 0.8.0-rc.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate der_derive 0.8.0-rc.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate der_derive 0.8.0-rc.3 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f79a30207b842fd516f293e863e62c6a59fa1b259bcc868234c656958cb1998e
[INFO] running `Command { std: "docker" "start" "-a" "f79a30207b842fd516f293e863e62c6a59fa1b259bcc868234c656958cb1998e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f79a30207b842fd516f293e863e62c6a59fa1b259bcc868234c656958cb1998e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79a30207b842fd516f293e863e62c6a59fa1b259bcc868234c656958cb1998e", kill_on_drop: false }`
[INFO] [stdout] f79a30207b842fd516f293e863e62c6a59fa1b259bcc868234c656958cb1998e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e68ab2253666dd1f9a4269fec36f6384bc4af473c3df2685e589b7d2bbf4306b
[INFO] running `Command { std: "docker" "start" "-a" "e68ab2253666dd1f9a4269fec36f6384bc4af473c3df2685e589b7d2bbf4306b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.100
[INFO] [stderr]     Checking der_derive v0.8.0-rc.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "e68ab2253666dd1f9a4269fec36f6384bc4af473c3df2685e589b7d2bbf4306b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68ab2253666dd1f9a4269fec36f6384bc4af473c3df2685e589b7d2bbf4306b", kill_on_drop: false }`
[INFO] [stdout] e68ab2253666dd1f9a4269fec36f6384bc4af473c3df2685e589b7d2bbf4306b