[INFO] fetching crate bufsize 0.5.1...
[INFO] checking bufsize-0.5.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate bufsize 0.5.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bufsize 0.5.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bufsize 0.5.1
[INFO] finished tweaking crates.io crate bufsize 0.5.1
[INFO] tweaked toml for crates.io crate bufsize 0.5.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ae8cc890d3ef9df6bd4efb608911ddcb135a1d2ecdac5e6af4358301cc3b99f
[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" "2ae8cc890d3ef9df6bd4efb608911ddcb135a1d2ecdac5e6af4358301cc3b99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ae8cc890d3ef9df6bd4efb608911ddcb135a1d2ecdac5e6af4358301cc3b99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae8cc890d3ef9df6bd4efb608911ddcb135a1d2ecdac5e6af4358301cc3b99f", kill_on_drop: false }`
[INFO] [stdout] 2ae8cc890d3ef9df6bd4efb608911ddcb135a1d2ecdac5e6af4358301cc3b99f
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 176213d30aebae4b969936e08411c40e7a8dbb1c48f52939e1a9b36c1f7f438f
[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" "176213d30aebae4b969936e08411c40e7a8dbb1c48f52939e1a9b36c1f7f438f", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking bufsize v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "176213d30aebae4b969936e08411c40e7a8dbb1c48f52939e1a9b36c1f7f438f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176213d30aebae4b969936e08411c40e7a8dbb1c48f52939e1a9b36c1f7f438f", kill_on_drop: false }`
[INFO] [stdout] 176213d30aebae4b969936e08411c40e7a8dbb1c48f52939e1a9b36c1f7f438f