[INFO] fetching crate tower-buffer 0.1.1...
[INFO] checking tower-buffer-0.1.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate tower-buffer 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tower-buffer 0.1.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tower-buffer 0.1.1
[INFO] finished tweaking crates.io crate tower-buffer 0.1.1
[INFO] tweaked toml for crates.io crate tower-buffer 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 224a61b6cf0c188a3aa3cfc63180565e588170183681a1015d6cf72b0940afb6
[INFO] running `"docker" "start" "-a" "224a61b6cf0c188a3aa3cfc63180565e588170183681a1015d6cf72b0940afb6"`
[INFO] [stderr]     Checking tower-layer v0.1.0
[INFO] [stderr]     Checking tower-discover v0.1.0
[INFO] [stderr]     Checking tower-test v0.1.0
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tower-load-shed v0.1.0
[INFO] [stderr]     Checking tower-util v0.1.0
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tower-buffer v0.1.2
[INFO] [stderr]     Checking tower-buffer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tower-timeout v0.1.1
[INFO] [stderr]     Checking tower-limit v0.1.1
[INFO] [stderr]     Checking tower-retry v0.1.0
[INFO] [stderr]     Checking tower v0.1.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `"docker" "inspect" "224a61b6cf0c188a3aa3cfc63180565e588170183681a1015d6cf72b0940afb6"`
[INFO] running `"docker" "rm" "-f" "224a61b6cf0c188a3aa3cfc63180565e588170183681a1015d6cf72b0940afb6"`
[INFO] [stdout] 224a61b6cf0c188a3aa3cfc63180565e588170183681a1015d6cf72b0940afb6