[INFO] fetching crate reduxr 0.1.5...
[INFO] checking reduxr-0.1.5 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate reduxr 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate reduxr 0.1.5 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 reduxr 0.1.5
[INFO] finished tweaking crates.io crate reduxr 0.1.5
[INFO] tweaked toml for crates.io crate reduxr 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate reduxr 0.1.5 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-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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", 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] 528d808b20d13aecf5e7e96c63c8c56026f59bb4b2553490ce3c2d1d6d3606aa
[INFO] running `Command { std: "docker" "start" "-a" "528d808b20d13aecf5e7e96c63c8c56026f59bb4b2553490ce3c2d1d6d3606aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528d808b20d13aecf5e7e96c63c8c56026f59bb4b2553490ce3c2d1d6d3606aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528d808b20d13aecf5e7e96c63c8c56026f59bb4b2553490ce3c2d1d6d3606aa", kill_on_drop: false }`
[INFO] [stdout] 528d808b20d13aecf5e7e96c63c8c56026f59bb4b2553490ce3c2d1d6d3606aa
[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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3850f4e769478869317208a6af67ab4a1bc8b5016d7a94801c6c07963f3442f9
[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" "3850f4e769478869317208a6af67ab4a1bc8b5016d7a94801c6c07963f3442f9", kill_on_drop: false }`
[INFO] [stderr]     Checking reduxr v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "3850f4e769478869317208a6af67ab4a1bc8b5016d7a94801c6c07963f3442f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3850f4e769478869317208a6af67ab4a1bc8b5016d7a94801c6c07963f3442f9", kill_on_drop: false }`
[INFO] [stdout] 3850f4e769478869317208a6af67ab4a1bc8b5016d7a94801c6c07963f3442f9