[INFO] cloning repository https://github.com/wjlewis/little_scheme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wjlewis/little_scheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flittle_scheme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flittle_scheme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] be5bdc48658ddf85626e38b87afe71f9097d7a54 [INFO] checking wjlewis/little_scheme against master#bdcb6a99e853732f8ec050ae4986aa3af51d44c5 for 92191_revert [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flittle_scheme" "/workspace/builds/worker-79/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wjlewis/little_scheme on toolchain bdcb6a99e853732f8ec050ae4986aa3af51d44c5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wjlewis/little_scheme [INFO] finished tweaking git repo https://github.com/wjlewis/little_scheme [INFO] tweaked toml for git repo https://github.com/wjlewis/little_scheme written to /workspace/builds/worker-79/source/Cargo.toml [INFO] crate git repo https://github.com/wjlewis/little_scheme already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "fetch" "--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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10a08dc98bf4c8c5041f9d49718328fbead06315bb5a5dd51715702002caff86 [INFO] running `Command { std: "docker" "start" "-a" "10a08dc98bf4c8c5041f9d49718328fbead06315bb5a5dd51715702002caff86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10a08dc98bf4c8c5041f9d49718328fbead06315bb5a5dd51715702002caff86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10a08dc98bf4c8c5041f9d49718328fbead06315bb5a5dd51715702002caff86", kill_on_drop: false }` [INFO] [stdout] 10a08dc98bf4c8c5041f9d49718328fbead06315bb5a5dd51715702002caff86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc124ec67960600d12e85e2ee16efdb03e6f8ad9785afa8ea1c163edf33df767 [INFO] running `Command { std: "docker" "start" "-a" "cc124ec67960600d12e85e2ee16efdb03e6f8ad9785afa8ea1c163edf33df767", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking little_scheme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/heap.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn new(size: usize, get_roots: Box Vec>) -> Heap { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/memory/header.rs:97:42 [INFO] [stdout] | [INFO] [stdout] 97 | fn alloc(&mut self, obj: &T) -> usize { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.42s [INFO] running `Command { std: "docker" "inspect" "cc124ec67960600d12e85e2ee16efdb03e6f8ad9785afa8ea1c163edf33df767", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc124ec67960600d12e85e2ee16efdb03e6f8ad9785afa8ea1c163edf33df767", kill_on_drop: false }` [INFO] [stdout] cc124ec67960600d12e85e2ee16efdb03e6f8ad9785afa8ea1c163edf33df767