[INFO] fetching crate untitled 0.0.0...
[INFO] checking untitled-0.0.0 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate untitled 0.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate untitled 0.0.0 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate untitled 0.0.0
[INFO] finished tweaking crates.io crate untitled 0.0.0
[INFO] tweaked toml for crates.io crate untitled 0.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate untitled 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ed69a6e28ab3b39eb9fa233e44670d9be120d4799d2c1519da4d95c9a0ca1b9
[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" "3ed69a6e28ab3b39eb9fa233e44670d9be120d4799d2c1519da4d95c9a0ca1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed69a6e28ab3b39eb9fa233e44670d9be120d4799d2c1519da4d95c9a0ca1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed69a6e28ab3b39eb9fa233e44670d9be120d4799d2c1519da4d95c9a0ca1b9", kill_on_drop: false }`
[INFO] [stdout] 3ed69a6e28ab3b39eb9fa233e44670d9be120d4799d2c1519da4d95c9a0ca1b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c73c88a7ba0160f342239b5ccaa7dbf4f6e2c5fcb846476e14b09703fe9af85a
[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" "c73c88a7ba0160f342239b5ccaa7dbf4f6e2c5fcb846476e14b09703fe9af85a", kill_on_drop: false }`
[INFO] [stderr]     Checking untitled v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "c73c88a7ba0160f342239b5ccaa7dbf4f6e2c5fcb846476e14b09703fe9af85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73c88a7ba0160f342239b5ccaa7dbf4f6e2c5fcb846476e14b09703fe9af85a", kill_on_drop: false }`
[INFO] [stdout] c73c88a7ba0160f342239b5ccaa7dbf4f6e2c5fcb846476e14b09703fe9af85a