[INFO] updating cached repository https://github.com/danlucraft/risp
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1813887ee74836280cb12657ba2e904d3fc67093
[INFO] checking danlucraft/risp against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanlucraft%2Frisp" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danlucraft/risp on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/danlucraft/risp
[INFO] finished tweaking git repo https://github.com/danlucraft/risp
[INFO] tweaked toml for git repo https://github.com/danlucraft/risp written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/danlucraft/risp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b2395a5fafe8e0f098d7418d15ff5dc58da07a6ecbcb5af5961c76316201ec0a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b2395a5fafe8e0f098d7418d15ff5dc58da07a6ecbcb5af5961c76316201ec0a"`
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]     Checking risp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::risp::loader`
[INFO] [stderr]  --> src/risp/prelude.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::risp::loader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::risp::environment::Env`
[INFO] [stderr]  --> src/risp/prelude.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::risp::environment::Env;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Exception`
[INFO] [stderr]   --> src/risp/expressions.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Exception(exceptions::Exception)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SyntaxError`
[INFO] [stderr]   --> src/risp/exceptions.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     SyntaxError,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Exception`
[INFO] [stderr]   --> src/risp/expressions.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Exception(exceptions::Exception)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SyntaxError`
[INFO] [stderr]   --> src/risp/exceptions.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     SyntaxError,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `"docker" "inspect" "b2395a5fafe8e0f098d7418d15ff5dc58da07a6ecbcb5af5961c76316201ec0a"`
[INFO] running `"docker" "rm" "-f" "b2395a5fafe8e0f098d7418d15ff5dc58da07a6ecbcb5af5961c76316201ec0a"`
[INFO] [stdout] b2395a5fafe8e0f098d7418d15ff5dc58da07a6ecbcb5af5961c76316201ec0a