[INFO] fetching crate cueball-tcp-stream-connection 0.3.1...
[INFO] checking cueball-tcp-stream-connection-0.3.1 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate cueball-tcp-stream-connection 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cueball-tcp-stream-connection 0.3.1 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecca67235ffa8edfe049641d888265740689461d499277ad68f362f8a61378af
[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" "ecca67235ffa8edfe049641d888265740689461d499277ad68f362f8a61378af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecca67235ffa8edfe049641d888265740689461d499277ad68f362f8a61378af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecca67235ffa8edfe049641d888265740689461d499277ad68f362f8a61378af", kill_on_drop: false }`
[INFO] [stdout] ecca67235ffa8edfe049641d888265740689461d499277ad68f362f8a61378af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 728d9274382b633f87217e1a143ce050f89d1599527b41bcb52ad6abd42d2939
[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" "728d9274382b633f87217e1a143ce050f89d1599527b41bcb52ad6abd42d2939", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking backoff v0.1.6
[INFO] [stderr]     Checking chrono v0.4.19
[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 26.79s
[INFO] running `Command { std: "docker" "inspect" "728d9274382b633f87217e1a143ce050f89d1599527b41bcb52ad6abd42d2939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728d9274382b633f87217e1a143ce050f89d1599527b41bcb52ad6abd42d2939", kill_on_drop: false }`
[INFO] [stdout] 728d9274382b633f87217e1a143ce050f89d1599527b41bcb52ad6abd42d2939