[INFO] crate simplisp_extensions 0.4.0 is already in cache
[INFO] checking simplisp_extensions-0.4.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate simplisp_extensions 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate simplisp_extensions 0.4.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate simplisp_extensions 0.4.0
[INFO] removed path dependency simplisp from crates.io crate simplisp_extensions 0.4.0
[INFO] finished tweaking crates.io crate simplisp_extensions 0.4.0
[INFO] tweaked toml for crates.io crate simplisp_extensions 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] b5c5052c5f81a6dc913102b6627a52048471059af99e889849d5a500c7ea4b1b
[INFO] running `"docker" "start" "-a" "b5c5052c5f81a6dc913102b6627a52048471059af99e889849d5a500c7ea4b1b"`
[INFO] [stderr]     Checking simplisp v0.4.0
[INFO] [stderr]     Checking simplisp_extensions v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/f32.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/f64.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/i8.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/i16.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/i32.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/i64.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/isize.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/u8.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/u16.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/u32.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/u64.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/usize.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/if_lisp.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/if_lisp.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/if_lisp.rs:42:32
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Some(third_arg) => try!(lisp_environment.evaluate(environment, &third_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/let_lisp.rs:51:56
[INFO] [stderr]    |
[INFO] [stderr] 51 | ...                   Symbol::Object(try!(lisp_environment.evaluate(environment, &inner_object)))
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/f32.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/f64.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/i8.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/i16.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/i32.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/i64.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/isize.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/u8.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/u16.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/u32.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/u64.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/casts/usize.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/if_lisp.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/if_lisp.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/if_lisp.rs:42:32
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Some(third_arg) => try!(lisp_environment.evaluate(environment, &third_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/let_lisp.rs:51:56
[INFO] [stderr]    |
[INFO] [stderr] 51 | ...                   Symbol::Object(try!(lisp_environment.evaluate(environment, &inner_object)))
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/let_lisp.rs:92:33
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     result.push(try!(lisp_environment.evaluate(environment, &object)));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/repeat.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/repeat.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/repeat.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |         result.push(try!(lisp_environment.evaluate(environment, &expression)));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/add.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/bitand.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/bitor.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/bitxor.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/div.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/eq.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/eq.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/ge.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/ge.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/gt.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/gt.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/le.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/le.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/lt.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/lt.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/mul.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/ne.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/ne.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/not.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/rem.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/shl.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/shl.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/shr.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/shr.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/sub.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/let_lisp.rs:92:33
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     result.push(try!(lisp_environment.evaluate(environment, &object)));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/repeat.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/repeat.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/common/repeat.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |         result.push(try!(lisp_environment.evaluate(environment, &expression)));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/add.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/bitand.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/bitor.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/bitxor.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/div.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/eq.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/eq.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/ge.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/ge.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/gt.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/gt.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/le.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/le.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/lt.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/lt.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/mul.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/ne.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/ne.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/not.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/rem.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/shl.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/shl.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/shr.rs:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/shr.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Some(second_arg) => try!(lisp_environment.evaluate(environment, &second_arg)),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/funcs/ops/sub.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Some(first_arg) => try!(lisp_environment.evaluate(environment, &first_arg)),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `"docker" "inspect" "b5c5052c5f81a6dc913102b6627a52048471059af99e889849d5a500c7ea4b1b"`
[INFO] running `"docker" "rm" "-f" "b5c5052c5f81a6dc913102b6627a52048471059af99e889849d5a500c7ea4b1b"`
[INFO] [stdout] b5c5052c5f81a6dc913102b6627a52048471059af99e889849d5a500c7ea4b1b
