[INFO] fetching crate scanner-rust 2.0.12...
[INFO] checking scanner-rust-2.0.12 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate scanner-rust 2.0.12 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate scanner-rust 2.0.12 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scanner-rust 2.0.12
[INFO] finished tweaking crates.io crate scanner-rust 2.0.12
[INFO] tweaked toml for crates.io crate scanner-rust 2.0.12 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate scanner-rust 2.0.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df1fcf12a2258affcb5494c0f061d994ab019325188eea9e5f7059b4f2c25deb
[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" "df1fcf12a2258affcb5494c0f061d994ab019325188eea9e5f7059b4f2c25deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df1fcf12a2258affcb5494c0f061d994ab019325188eea9e5f7059b4f2c25deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1fcf12a2258affcb5494c0f061d994ab019325188eea9e5f7059b4f2c25deb", kill_on_drop: false }`
[INFO] [stdout] df1fcf12a2258affcb5494c0f061d994ab019325188eea9e5f7059b4f2c25deb
[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" "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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649638fae7826edafa07212c4f2ff4af42f235cc7c0e202c9d8fc97f74d6ffa6
[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" "649638fae7826edafa07212c4f2ff4af42f235cc7c0e202c9d8fc97f74d6ffa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking utf8-width v0.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking generic-array v0.14.1
[INFO] [stderr]    Compiling educe v0.4.2
[INFO] [stderr]     Checking scanner-rust v2.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.37s
[INFO] running `Command { std: "docker" "inspect" "649638fae7826edafa07212c4f2ff4af42f235cc7c0e202c9d8fc97f74d6ffa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649638fae7826edafa07212c4f2ff4af42f235cc7c0e202c9d8fc97f74d6ffa6", kill_on_drop: false }`
[INFO] [stdout] 649638fae7826edafa07212c4f2ff4af42f235cc7c0e202c9d8fc97f74d6ffa6