[INFO] fetching crate barrel 0.6.5...
[INFO] checking barrel-0.6.5 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate barrel 0.6.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate barrel 0.6.5 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barrel 0.6.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate barrel 0.6.5
[INFO] tweaked toml for crates.io crate barrel 0.6.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate barrel 0.6.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 858331231d3833d60092dc6ade9eaf5bca5efb9d806540f1d92a7aa80dc4d436
[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" "858331231d3833d60092dc6ade9eaf5bca5efb9d806540f1d92a7aa80dc4d436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "858331231d3833d60092dc6ade9eaf5bca5efb9d806540f1d92a7aa80dc4d436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858331231d3833d60092dc6ade9eaf5bca5efb9d806540f1d92a7aa80dc4d436", kill_on_drop: false }`
[INFO] [stdout] 858331231d3833d60092dc6ade9eaf5bca5efb9d806540f1d92a7aa80dc4d436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 552244e3dd83887aa5c01ac62cfde84a0316c3c4a98d7557b81e791722c22d89
[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" "552244e3dd83887aa5c01ac62cfde84a0316c3c4a98d7557b81e791722c22d89", kill_on_drop: false }`
[INFO] [stderr]     Checking barrel v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "552244e3dd83887aa5c01ac62cfde84a0316c3c4a98d7557b81e791722c22d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552244e3dd83887aa5c01ac62cfde84a0316c3c4a98d7557b81e791722c22d89", kill_on_drop: false }`
[INFO] [stdout] 552244e3dd83887aa5c01ac62cfde84a0316c3c4a98d7557b81e791722c22d89
