[INFO] crate fastforward 0.4.1 is already in cache
[INFO] checking fastforward-0.4.1 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate fastforward 0.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fastforward 0.4.1 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastforward 0.4.1
[INFO] finished tweaking crates.io crate fastforward 0.4.1
[INFO] tweaked toml for crates.io crate fastforward 0.4.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e744499785f6cb5144c6033e7f1957e41c4805b128ab736f0239f51f23aa836
[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" "2e744499785f6cb5144c6033e7f1957e41c4805b128ab736f0239f51f23aa836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e744499785f6cb5144c6033e7f1957e41c4805b128ab736f0239f51f23aa836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e744499785f6cb5144c6033e7f1957e41c4805b128ab736f0239f51f23aa836", kill_on_drop: false }`
[INFO] [stdout] 2e744499785f6cb5144c6033e7f1957e41c4805b128ab736f0239f51f23aa836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81693bfce972719d9956993f81c877ba7f85c2201e611f7e747325739ad739f3
[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" "81693bfce972719d9956993f81c877ba7f85c2201e611f7e747325739ad739f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking flask v2.0.2
[INFO] [stderr]     Checking fastforward v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Response`
[INFO] [stdout]   --> src/proxy/filters.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Response
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.55s
[INFO] running `Command { std: "docker" "inspect" "81693bfce972719d9956993f81c877ba7f85c2201e611f7e747325739ad739f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81693bfce972719d9956993f81c877ba7f85c2201e611f7e747325739ad739f3", kill_on_drop: false }`
[INFO] [stdout] 81693bfce972719d9956993f81c877ba7f85c2201e611f7e747325739ad739f3