[INFO] crate fs2 0.4.3 is already in cache
[INFO] checking fs2-0.4.3 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] extracting crate fs2 0.4.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fs2 0.4.3 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fs2 0.4.3
[INFO] finished tweaking crates.io crate fs2 0.4.3
[INFO] tweaked toml for crates.io crate fs2 0.4.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "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" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0c95ec8747542f98d9412662118e5ddaf481f70a5c0cd27ba62a67f06755036
[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" "e0c95ec8747542f98d9412662118e5ddaf481f70a5c0cd27ba62a67f06755036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0c95ec8747542f98d9412662118e5ddaf481f70a5c0cd27ba62a67f06755036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0c95ec8747542f98d9412662118e5ddaf481f70a5c0cd27ba62a67f06755036", kill_on_drop: false }`
[INFO] [stdout] e0c95ec8747542f98d9412662118e5ddaf481f70a5c0cd27ba62a67f06755036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16bf49a761b236897564a7e60865722091c51655a5a63660f5f3c93cc314b3fb
[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" "16bf49a761b236897564a7e60865722091c51655a5a63660f5f3c93cc314b3fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fs2 v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "16bf49a761b236897564a7e60865722091c51655a5a63660f5f3c93cc314b3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16bf49a761b236897564a7e60865722091c51655a5a63660f5f3c93cc314b3fb", kill_on_drop: false }`
[INFO] [stdout] 16bf49a761b236897564a7e60865722091c51655a5a63660f5f3c93cc314b3fb