[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] testing TheIronBorn/EulerLisp against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheIronBorn%2FEulerLisp" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheIronBorn/EulerLisp on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-13/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be3ef7fac217c6c569ec7a04cbb4c79c062f19c03cdfae63809d586d8cede2f1
[INFO] running `"docker" "start" "-a" "be3ef7fac217c6c569ec7a04cbb4c79c062f19c03cdfae63809d586d8cede2f1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.28
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling nom v3.2.0
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable 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 stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(i128_type)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eval.rs:29:28
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub output: Rc<RefCell<Write>>,
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eval.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn new(output: Rc<RefCell<Write>>, stdlib: bool) -> Self {
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::LispErr`
[INFO] [stderr]  --> src/builtin/hashmap.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ::LispErr;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::LispErr::*`
[INFO] [stderr]  --> src/builtin/hashmap.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::LispErr::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/builtin/math.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     (c as isize)
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::LispErr::*`
[INFO] [stderr]  --> src/builtin/data_structures.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::LispErr::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/bignum.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 (*self.data.get(0).unwrap_or(&0) as isize)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 'a' ... 'z' => true,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:169:21
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 '0' ... '9' => true,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:183:21
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 '0' ... '9' => true,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:436:28
[INFO] [stderr]     |
[INFO] [stderr] 436 |                 first @ 'a'...'z' | first @ '!' | first @ '$'
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:443:28
[INFO] [stderr]     |
[INFO] [stderr] 443 |                 first @ '0'...'9' => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stream.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl fmt::Debug for LispIterator {
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stream.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl PartialEq for LispIterator {
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stream.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn eq(&self, _other: &LispIterator) -> bool {
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:158:30
[INFO] [stderr]     |
[INFO] [stderr] 158 | pub type Stream = Rc<RefCell<LispIterator>>;
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:553:21
[INFO] [stderr]     |
[INFO] [stderr] 553 |     fn from(other: &ToDatum) -> Datum {
[INFO] [stderr]     |                     ^^^^^^^ help: use `dyn`: `dyn ToDatum`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/doc.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let processed = line.trim_left_matches(';');
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/doc.rs:54:61
[INFO] [stderr]    |
[INFO] [stderr] 54 |         Err(why) => panic!("couldn't spawn pandoc: {}", why.description()),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/doc.rs:60:32
[INFO] [stderr]    |
[INFO] [stderr] 60 | ...                   why.description()),
[INFO] [stderr]    |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `lisp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "be3ef7fac217c6c569ec7a04cbb4c79c062f19c03cdfae63809d586d8cede2f1"`
[INFO] running `"docker" "rm" "-f" "be3ef7fac217c6c569ec7a04cbb4c79c062f19c03cdfae63809d586d8cede2f1"`
[INFO] [stdout] be3ef7fac217c6c569ec7a04cbb4c79c062f19c03cdfae63809d586d8cede2f1