[INFO] cloning 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" "clone" "--bare" "https://github.com/ChetanBhasin/rust-scheme-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChetanBhasin%2Frust-scheme-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChetanBhasin%2Frust-scheme-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae4ac700f2aeb0cc39e2f9bb4e7394ffa6d5b022
[INFO] checking ChetanBhasin/rust-scheme-interpreter against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChetanBhasin%2Frust-scheme-interpreter" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChetanBhasin/rust-scheme-interpreter on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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-4/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" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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] 8feea5cfb52ae63fdcfd0c9d20246faf923965ff1bdcf3086f525921023e9c8f
[INFO] running `Command { std: "docker" "start" "-a" "8feea5cfb52ae63fdcfd0c9d20246faf923965ff1bdcf3086f525921023e9c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8feea5cfb52ae63fdcfd0c9d20246faf923965ff1bdcf3086f525921023e9c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8feea5cfb52ae63fdcfd0c9d20246faf923965ff1bdcf3086f525921023e9c8f", kill_on_drop: false }`
[INFO] [stdout] 8feea5cfb52ae63fdcfd0c9d20246faf923965ff1bdcf3086f525921023e9c8f
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecf2ab19340b5044d9d096b9b0cb20605935f6365b1b584ab2465732dc0bedf4
[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" "ecf2ab19340b5044d9d096b9b0cb20605935f6365b1b584ab2465732dc0bedf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.78s
[INFO] running `Command { std: "docker" "inspect" "ecf2ab19340b5044d9d096b9b0cb20605935f6365b1b584ab2465732dc0bedf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf2ab19340b5044d9d096b9b0cb20605935f6365b1b584ab2465732dc0bedf4", kill_on_drop: false }`
[INFO] [stdout] ecf2ab19340b5044d9d096b9b0cb20605935f6365b1b584ab2465732dc0bedf4