[INFO] crate ghost 0.1.1 is already in cache
[INFO] checking ghost-0.1.1 against master#be493fe8cc40c3d3f6030a1313c1ff747fce770d for pr-69129
[INFO] extracting crate ghost 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ghost 0.1.1 on toolchain be493fe8cc40c3d3f6030a1313c1ff747fce770d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ghost 0.1.1
[INFO] finished tweaking crates.io crate ghost 0.1.1
[INFO] tweaked toml for crates.io crate ghost 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d2f342fc332244ad1e3e3ae59ed601b8f0060624dd79aa97d3d0a5fb849d9d2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d2f342fc332244ad1e3e3ae59ed601b8f0060624dd79aa97d3d0a5fb849d9d2a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking syn v1.0.14
[INFO] [stderr]     Checking ghost v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/variance.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn apply(param: &mut HasVarianceAttribute, base: TokenStream) -> TokenStream {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HasVarianceAttribute`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/variance.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn apply(param: &mut HasVarianceAttribute, base: TokenStream) -> TokenStream {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HasVarianceAttribute`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `"docker" "inspect" "d2f342fc332244ad1e3e3ae59ed601b8f0060624dd79aa97d3d0a5fb849d9d2a"`
[INFO] running `"docker" "rm" "-f" "d2f342fc332244ad1e3e3ae59ed601b8f0060624dd79aa97d3d0a5fb849d9d2a"`
[INFO] [stdout] d2f342fc332244ad1e3e3ae59ed601b8f0060624dd79aa97d3d0a5fb849d9d2a