[INFO] updating cached repository https://github.com/TheIronBorn/EulerLisp
[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] 3ea3e8d461c52ddc16602939a2e81e4696965002
[INFO] checking TheIronBorn/EulerLisp against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheIronBorn%2FEulerLisp" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheIronBorn/EulerLisp 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/TheIronBorn/EulerLisp
[INFO] finished tweaking git repo https://github.com/TheIronBorn/EulerLisp
[INFO] tweaked toml for git repo https://github.com/TheIronBorn/EulerLisp written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/TheIronBorn/EulerLisp 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0e9f0e9a55c05e17fc0d934972abe0bbca32456c91f59f9e176652e3dc0365a6
[INFO] running `"docker" "start" "-a" "0e9f0e9a55c05e17fc0d934972abe0bbca32456c91f59f9e176652e3dc0365a6"`
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking nom v3.2.0
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(io)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(i128_type)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(io)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(i128_type)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `lisp`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/symbol_table.rs:38:26
[INFO] [stderr]    |
[INFO] [stderr] 38 |     assert_eq!(st.insert("foo"), 0);
[INFO] [stderr]    |                          ^^^^^ expected struct `std::string::String`, found str
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&std::string::String`
[INFO] [stderr]               found type `&'static str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/symbol_table.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |     assert_eq!(st.insert("bar"), 1);
[INFO] [stderr]    |                          ^^^^^ expected struct `std::string::String`, found str
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&std::string::String`
[INFO] [stderr]               found type `&'static str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/symbol_table.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 |     assert_eq!(st.insert("foo"), 0);
[INFO] [stderr]    |                          ^^^^^ expected struct `std::string::String`, found str
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&std::string::String`
[INFO] [stderr]               found type `&'static str`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `lisp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0e9f0e9a55c05e17fc0d934972abe0bbca32456c91f59f9e176652e3dc0365a6"`
[INFO] running `"docker" "rm" "-f" "0e9f0e9a55c05e17fc0d934972abe0bbca32456c91f59f9e176652e3dc0365a6"`
[INFO] [stdout] 0e9f0e9a55c05e17fc0d934972abe0bbca32456c91f59f9e176652e3dc0365a6