[INFO] fetching crate bitbuffer_derive 0.7.1...
[INFO] checking bitbuffer_derive-0.7.1 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate bitbuffer_derive 0.7.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bitbuffer_derive 0.7.1 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitbuffer_derive 0.7.1
[INFO] finished tweaking crates.io crate bitbuffer_derive 0.7.1
[INFO] tweaked toml for crates.io crate bitbuffer_derive 0.7.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62c44cc03f04c22982b2d24660d926387d4dd6863aea4f5f1543c5b77f43c435
[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" "62c44cc03f04c22982b2d24660d926387d4dd6863aea4f5f1543c5b77f43c435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62c44cc03f04c22982b2d24660d926387d4dd6863aea4f5f1543c5b77f43c435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c44cc03f04c22982b2d24660d926387d4dd6863aea4f5f1543c5b77f43c435", kill_on_drop: false }`
[INFO] [stdout] 62c44cc03f04c22982b2d24660d926387d4dd6863aea4f5f1543c5b77f43c435
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b896ff0bcd815f0da705bc153e7b8eb8ffa78d63dec355c0aac82b6bb28cba
[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" "c3b896ff0bcd815f0da705bc153e7b8eb8ffa78d63dec355c0aac82b6bb28cba", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking proc-macro2 v1.0.19
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling syn_util v0.4.2
[INFO] [stderr]     Checking bitbuffer_derive v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitbuffer_derive v0.7.1
[INFO] [stderr]     Checking bitbuffer v0.7.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.78s
[INFO] running `Command { std: "docker" "inspect" "c3b896ff0bcd815f0da705bc153e7b8eb8ffa78d63dec355c0aac82b6bb28cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b896ff0bcd815f0da705bc153e7b8eb8ffa78d63dec355c0aac82b6bb28cba", kill_on_drop: false }`
[INFO] [stdout] c3b896ff0bcd815f0da705bc153e7b8eb8ffa78d63dec355c0aac82b6bb28cba