[INFO] fetching crate tower-service 0.3.1...
[INFO] checking tower-service-0.3.1 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate tower-service 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tower-service 0.3.1 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-service 0.3.1
[INFO] finished tweaking crates.io crate tower-service 0.3.1
[INFO] tweaked toml for crates.io crate tower-service 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c37b81da6e616df10ac1e9fe47bfa45e6d52613c7a4b4bb3986dab6f9963fb0d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c37b81da6e616df10ac1e9fe47bfa45e6d52613c7a4b4bb3986dab6f9963fb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c37b81da6e616df10ac1e9fe47bfa45e6d52613c7a4b4bb3986dab6f9963fb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37b81da6e616df10ac1e9fe47bfa45e6d52613c7a4b4bb3986dab6f9963fb0d", kill_on_drop: false }`
[INFO] [stdout] c37b81da6e616df10ac1e9fe47bfa45e6d52613c7a4b4bb3986dab6f9963fb0d
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22b939d8f229407e65933d5236c72ba3b98d3864b2c782187adc8fa4dd74e72b
[INFO] running `Command { std: "docker" "start" "-a" "22b939d8f229407e65933d5236c72ba3b98d3864b2c782187adc8fa4dd74e72b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking tower-service v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.81s
[INFO] running `Command { std: "docker" "inspect" "22b939d8f229407e65933d5236c72ba3b98d3864b2c782187adc8fa4dd74e72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b939d8f229407e65933d5236c72ba3b98d3864b2c782187adc8fa4dd74e72b", kill_on_drop: false }`
[INFO] [stdout] 22b939d8f229407e65933d5236c72ba3b98d3864b2c782187adc8fa4dd74e72b