[INFO] crate synstructure 0.12.3 is already in cache
[INFO] checking synstructure-0.12.3 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate synstructure 0.12.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate synstructure 0.12.3 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate synstructure 0.12.3
[INFO] finished tweaking crates.io crate synstructure 0.12.3
[INFO] tweaked toml for crates.io crate synstructure 0.12.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ef426d4c84049fe6036da7852d1b7ad5ebffff76613d4dcc3c8c59148393822
[INFO] running `"docker" "start" "-a" "0ef426d4c84049fe6036da7852d1b7ad5ebffff76613d4dcc3c8c59148393822"`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking synstructure_test_traits v0.1.0
[INFO] [stderr]     Checking proc-macro2 v1.0.9
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]     Checking synstructure v0.12.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.61s
[INFO] running `"docker" "inspect" "0ef426d4c84049fe6036da7852d1b7ad5ebffff76613d4dcc3c8c59148393822"`
[INFO] running `"docker" "rm" "-f" "0ef426d4c84049fe6036da7852d1b7ad5ebffff76613d4dcc3c8c59148393822"`
[INFO] [stdout] 0ef426d4c84049fe6036da7852d1b7ad5ebffff76613d4dcc3c8c59148393822