[INFO] cloning repository https://github.com/cpcloud/scrust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cpcloud/scrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpcloud%2Fscrust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpcloud%2Fscrust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c557cf9c5ca0644e30d74b8df96b76822e91674
[INFO] checking cpcloud/scrust against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpcloud%2Fscrust" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cpcloud/scrust on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cpcloud/scrust
[INFO] finished tweaking git repo https://github.com/cpcloud/scrust
[INFO] tweaked toml for git repo https://github.com/cpcloud/scrust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cpcloud/scrust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59dac37a2b4960c99b331b460ab6b485e798ac1cf54884376b1e229f5a050d5c
[INFO] running `"docker" "start" "-a" "59dac37a2b4960c99b331b460ab6b485e798ac1cf54884376b1e229f5a050d5c"`
[INFO] [stderr]     Checking scrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find value `arg` in this scope
[INFO] [stderr]    --> src/main.rs:272:77
[INFO] [stderr]     |
[INFO] [stderr] 272 |     env.define(&func_name, Value::Procedure(Procedure::Function { argnames: arg}));
[INFO] [stderr]     |                                                                             ^^^ help: a local variable with a similar name exists: `args`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_syntax, fn_traits, unboxed_closures, box_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_list` found for type `std::boxed::Box<Value>` in the current scope
[INFO] [stderr]    --> src/main.rs:270:46
[INFO] [stderr]     |
[INFO] [stderr] 270 |     let argnames = args.cdr().car().unwrap().as_list().as_vec().map(|x| match x { Value::Symbol(n) => n, _ => panic!() });
[INFO] [stderr]     |                                              ^^^^^^^ method not found in `std::boxed::Box<Value>`
[INFO] [stderr] 
[INFO] [stderr] error[E0063]: missing fields `body`, `env` in initializer of `Procedure`
[INFO] [stderr]    --> src/main.rs:272:45
[INFO] [stderr]     |
[INFO] [stderr] 272 |     env.define(&func_name, Value::Procedure(Procedure::Function { argnames: arg}));
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^ missing `body`, `env`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0063, E0425, E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0063`.
[INFO] [stderr] error[E0425]: cannot find value `arg` in this scope
[INFO] [stderr]    --> src/main.rs:272:77
[INFO] [stderr]     |
[INFO] [stderr] 272 |     env.define(&func_name, Value::Procedure(Procedure::Function { argnames: arg}));
[INFO] [stderr]     |                                                                             ^^^ help: a local variable with a similar name exists: `args`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_syntax, fn_traits, unboxed_closures, box_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `scrust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `as_list` found for type `std::boxed::Box<Value>` in the current scope
[INFO] [stderr]    --> src/main.rs:270:46
[INFO] [stderr]     |
[INFO] [stderr] 270 |     let argnames = args.cdr().car().unwrap().as_list().as_vec().map(|x| match x { Value::Symbol(n) => n, _ => panic!() });
[INFO] [stderr]     |                                              ^^^^^^^ method not found in `std::boxed::Box<Value>`
[INFO] [stderr] 
[INFO] [stderr] error[E0063]: missing fields `body`, `env` in initializer of `Procedure`
[INFO] [stderr]    --> src/main.rs:272:45
[INFO] [stderr]     |
[INFO] [stderr] 272 |     env.define(&func_name, Value::Procedure(Procedure::Function { argnames: arg}));
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^ missing `body`, `env`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0063, E0425, E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0063`.
[INFO] [stderr] error: could not compile `scrust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "59dac37a2b4960c99b331b460ab6b485e798ac1cf54884376b1e229f5a050d5c"`
[INFO] running `"docker" "rm" "-f" "59dac37a2b4960c99b331b460ab6b485e798ac1cf54884376b1e229f5a050d5c"`
[INFO] [stdout] 59dac37a2b4960c99b331b460ab6b485e798ac1cf54884376b1e229f5a050d5c