[INFO] crate either-future 0.1.0 is already in cache
[INFO] checking either-future-0.1.0 against try#e6563ac70cbfd3196492061900e9e9793e065e4d for pr-69410
[INFO] extracting crate either-future 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate either-future 0.1.0 on toolchain e6563ac70cbfd3196492061900e9e9793e065e4d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate either-future 0.1.0
[INFO] finished tweaking crates.io crate either-future 0.1.0
[INFO] tweaked toml for crates.io crate either-future 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "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] 478c68f083fa6af0b02300669872ef72ac8de0581c50ed193ea2332d12dc42cc
[INFO] running `"docker" "start" "-a" "478c68f083fa6af0b02300669872ef72ac8de0581c50ed193ea2332d12dc42cc"`
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking either-future v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0596]: cannot borrow `runtime` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/lib.rs:199:32
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let runtime = tokio02::runtime::Runtime::new().expect("Failed to create runtime.");
[INFO] [stderr]     |             ------- help: consider changing this to be mutable: `mut runtime`
[INFO] [stderr] 199 |         assert_eq!(Either::Left(42), runtime.block_on(either_future));
[INFO] [stderr]     |                                      ^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `runtime` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/lib.rs:209:33
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let runtime = tokio02::runtime::Runtime::new().expect("Failed to create runtime.");
[INFO] [stderr]     |             ------- help: consider changing this to be mutable: `mut runtime`
[INFO] [stderr] 209 |         assert_eq!(Either::Right(42), runtime.block_on(either_future));
[INFO] [stderr]     |                                       ^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error: could not compile `either-future`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "478c68f083fa6af0b02300669872ef72ac8de0581c50ed193ea2332d12dc42cc"`
[INFO] running `"docker" "rm" "-f" "478c68f083fa6af0b02300669872ef72ac8de0581c50ed193ea2332d12dc42cc"`
[INFO] [stdout] 478c68f083fa6af0b02300669872ef72ac8de0581c50ed193ea2332d12dc42cc