[INFO] updating cached repository https://github.com/ChetanBhasin/rust-scheme-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae4ac700f2aeb0cc39e2f9bb4e7394ffa6d5b022
[INFO] checking ChetanBhasin/rust-scheme-interpreter against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChetanBhasin%2Frust-scheme-interpreter" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChetanBhasin/rust-scheme-interpreter on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChetanBhasin/rust-scheme-interpreter
[INFO] finished tweaking git repo https://github.com/ChetanBhasin/rust-scheme-interpreter
[INFO] tweaked toml for git repo https://github.com/ChetanBhasin/rust-scheme-interpreter written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ChetanBhasin/rust-scheme-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4366b0ce3146084f99f3040a67bc1bf06ce62bf2a4130924c330a1701a7f817
[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" "d4366b0ce3146084f99f3040a67bc1bf06ce62bf2a4130924c330a1701a7f817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4366b0ce3146084f99f3040a67bc1bf06ce62bf2a4130924c330a1701a7f817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4366b0ce3146084f99f3040a67bc1bf06ce62bf2a4130924c330a1701a7f817", kill_on_drop: false }`
[INFO] [stdout] d4366b0ce3146084f99f3040a67bc1bf06ce62bf2a4130924c330a1701a7f817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "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] ed4e0d461d0b7604c8ddde122ab989a9e0ba3c33109f52c6baef369e7f2ff381
[INFO] running `Command { std: "docker" "start" "-a" "ed4e0d461d0b7604c8ddde122ab989a9e0ba3c33109f52c6baef369e7f2ff381", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]     Checking scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.33s
[INFO] running `Command { std: "docker" "inspect" "ed4e0d461d0b7604c8ddde122ab989a9e0ba3c33109f52c6baef369e7f2ff381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4e0d461d0b7604c8ddde122ab989a9e0ba3c33109f52c6baef369e7f2ff381", kill_on_drop: false }`
[INFO] [stdout] ed4e0d461d0b7604c8ddde122ab989a9e0ba3c33109f52c6baef369e7f2ff381