[INFO] fetching crate scanner-rust 2.0.13...
[INFO] checking scanner-rust-2.0.13 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate scanner-rust 2.0.13 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate scanner-rust 2.0.13 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scanner-rust 2.0.13
[INFO] finished tweaking crates.io crate scanner-rust 2.0.13
[INFO] tweaked toml for crates.io crate scanner-rust 2.0.13 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate scanner-rust 2.0.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34ad42de5fbfca01b22cae99ec4d7d93d7d228b96ce97678b798ed4ee4876f50
[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" "34ad42de5fbfca01b22cae99ec4d7d93d7d228b96ce97678b798ed4ee4876f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34ad42de5fbfca01b22cae99ec4d7d93d7d228b96ce97678b798ed4ee4876f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ad42de5fbfca01b22cae99ec4d7d93d7d228b96ce97678b798ed4ee4876f50", kill_on_drop: false }`
[INFO] [stdout] 34ad42de5fbfca01b22cae99ec4d7d93d7d228b96ce97678b798ed4ee4876f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49fc94804760df8f7a8fae60d83397a9866daf709a28bd99e5acff164d54b0da
[INFO] running `Command { std: "docker" "start" "-a" "49fc94804760df8f7a8fae60d83397a9866daf709a28bd99e5acff164d54b0da", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]     Checking utf8-width v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking generic-array v0.14.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling educe v0.4.2
[INFO] [stderr]     Checking scanner-rust v2.0.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.17s
[INFO] running `Command { std: "docker" "inspect" "49fc94804760df8f7a8fae60d83397a9866daf709a28bd99e5acff164d54b0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49fc94804760df8f7a8fae60d83397a9866daf709a28bd99e5acff164d54b0da", kill_on_drop: false }`
[INFO] [stdout] 49fc94804760df8f7a8fae60d83397a9866daf709a28bd99e5acff164d54b0da