[INFO] fetching crate cueball-tcp-stream-connection 0.3.1...
[INFO] checking cueball-tcp-stream-connection-0.3.1 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate cueball-tcp-stream-connection 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cueball-tcp-stream-connection 0.3.1 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cueball-tcp-stream-connection 0.3.1
[INFO] finished tweaking crates.io crate cueball-tcp-stream-connection 0.3.1
[INFO] tweaked toml for crates.io crate cueball-tcp-stream-connection 0.3.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9ca3080c5d42dc46e29b600f666252505bdd69c6da21b6411141d9f9bdc1cca
[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" "d9ca3080c5d42dc46e29b600f666252505bdd69c6da21b6411141d9f9bdc1cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9ca3080c5d42dc46e29b600f666252505bdd69c6da21b6411141d9f9bdc1cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ca3080c5d42dc46e29b600f666252505bdd69c6da21b6411141d9f9bdc1cca", kill_on_drop: false }`
[INFO] [stdout] d9ca3080c5d42dc46e29b600f666252505bdd69c6da21b6411141d9f9bdc1cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a7edd1b2b50458dda428b336e12a788bd73802962f410f927e63298ba10318c
[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" "3a7edd1b2b50458dda428b336e12a788bd73802962f410f927e63298ba10318c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking chrono v0.4.18
[INFO] [stderr]     Checking backoff v0.1.6
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking cueball v0.3.5
[INFO] [stderr]     Checking cueball-tcp-stream-connection v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.48s
[INFO] running `Command { std: "docker" "inspect" "3a7edd1b2b50458dda428b336e12a788bd73802962f410f927e63298ba10318c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7edd1b2b50458dda428b336e12a788bd73802962f410f927e63298ba10318c", kill_on_drop: false }`
[INFO] [stdout] 3a7edd1b2b50458dda428b336e12a788bd73802962f410f927e63298ba10318c