[INFO] fetching crate overlord 0.2.0-alpha.0...
[INFO] checking overlord-0.2.0-alpha.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate overlord 0.2.0-alpha.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate overlord 0.2.0-alpha.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate overlord 0.2.0-alpha.0
[INFO] finished tweaking crates.io crate overlord 0.2.0-alpha.0
[INFO] tweaked toml for crates.io crate overlord 0.2.0-alpha.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate overlord 0.2.0-alpha.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 1c44818ac04a00855c1ccf67ad39445eb15716e7a083569ce00deeb2813fc836
[INFO] running `"docker" "start" "-a" "1c44818ac04a00855c1ccf67ad39445eb15716e7a083569ce00deeb2813fc836"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking creep v0.2.2
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking hasher v0.1.3
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rlp v0.4.4
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking runtime-raw v0.3.0-alpha.5
[INFO] [stderr]     Checking romio v0.3.0-alpha.10
[INFO] [stderr]     Checking juliex v0.3.0-alpha.8
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking runtime-tokio v0.3.0-alpha.6
[INFO] [stderr]     Checking runtime-native v0.3.0-alpha.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.6
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking runtime v0.3.0-alpha.8
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking moodyblues-sdk v0.2.0
[INFO] [stderr]     Checking overlord v0.2.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `"docker" "inspect" "1c44818ac04a00855c1ccf67ad39445eb15716e7a083569ce00deeb2813fc836"`
[INFO] running `"docker" "rm" "-f" "1c44818ac04a00855c1ccf67ad39445eb15716e7a083569ce00deeb2813fc836"`
[INFO] [stdout] 1c44818ac04a00855c1ccf67ad39445eb15716e7a083569ce00deeb2813fc836