[INFO] fetching crate poco-scheme 0.0.1...
[INFO] checking poco-scheme-0.0.1 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate poco-scheme 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate poco-scheme 0.0.1 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poco-scheme 0.0.1
[INFO] finished tweaking crates.io crate poco-scheme 0.0.1
[INFO] tweaked toml for crates.io crate poco-scheme 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate poco-scheme 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e76d87e0e054e07ed369bfeed44ebf7dc2f161119b467df10e1ca30554e7a4d5
[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" "e76d87e0e054e07ed369bfeed44ebf7dc2f161119b467df10e1ca30554e7a4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e76d87e0e054e07ed369bfeed44ebf7dc2f161119b467df10e1ca30554e7a4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76d87e0e054e07ed369bfeed44ebf7dc2f161119b467df10e1ca30554e7a4d5", kill_on_drop: false }`
[INFO] [stdout] e76d87e0e054e07ed369bfeed44ebf7dc2f161119b467df10e1ca30554e7a4d5
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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] c7952c95f0406c9d6d4f08713f3d121093d3a03d886bd67daee5ef92191077a7
[INFO] running `Command { std: "docker" "start" "-a" "c7952c95f0406c9d6d4f08713f3d121093d3a03d886bd67daee5ef92191077a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking gc v0.3.3
[INFO] [stderr]     Checking log v0.4.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling lexpr-macros v0.2.0
[INFO] [stderr]     Checking lexpr v0.2.3
[INFO] [stderr]     Checking poco-scheme v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.36s
[INFO] running `Command { std: "docker" "inspect" "c7952c95f0406c9d6d4f08713f3d121093d3a03d886bd67daee5ef92191077a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7952c95f0406c9d6d4f08713f3d121093d3a03d886bd67daee5ef92191077a7", kill_on_drop: false }`
[INFO] [stdout] c7952c95f0406c9d6d4f08713f3d121093d3a03d886bd67daee5ef92191077a7