[INFO] cloning repository https://github.com/TheIronBorn/EulerLisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheIronBorn/EulerLisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheIronBorn%2FEulerLisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheIronBorn%2FEulerLisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ea3e8d461c52ddc16602939a2e81e4696965002
[INFO] checking TheIronBorn/EulerLisp against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheIronBorn%2FEulerLisp" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheIronBorn/EulerLisp on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/TheIronBorn/EulerLisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff1aea010afff338b10c14f1be4dea2323a4985bf63f6bfdc40641b8917b4a8a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff1aea010afff338b10c14f1be4dea2323a4985bf63f6bfdc40641b8917b4a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff1aea010afff338b10c14f1be4dea2323a4985bf63f6bfdc40641b8917b4a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1aea010afff338b10c14f1be4dea2323a4985bf63f6bfdc40641b8917b4a8a", kill_on_drop: false }`
[INFO] [stdout] ff1aea010afff338b10c14f1be4dea2323a4985bf63f6bfdc40641b8917b4a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 563088b50ea6f4ea100aedaaec704548f2b06951053f218616d21f0a28bb6a3f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "563088b50ea6f4ea100aedaaec704548f2b06951053f218616d21f0a28bb6a3f", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.18
[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] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(i128_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub output: Rc<RefCell<Write>>,
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:42:35
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new(output: Rc<RefCell<Write>>, stdlib: bool) -> Self {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::LispErr`
[INFO] [stdout]  --> src/builtin/hashmap.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ::LispErr;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::LispErr::*`
[INFO] [stdout]  --> src/builtin/hashmap.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ::LispErr::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/builtin/math.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     (c as isize)
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::LispErr::*`
[INFO] [stdout]  --> src/builtin/data_structures.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ::LispErr::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(i128_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/bignum.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 (*self.data.get(0).unwrap_or(&0) as isize)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 'a' ... 'z' => true,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 '0' ... '9' => true,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:183:21
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 '0' ... '9' => true,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:436:28
[INFO] [stdout]     |
[INFO] [stdout] 436 |                 first @ 'a'...'z' | first @ '!' | first @ '$'
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:443:28
[INFO] [stdout]     |
[INFO] [stdout] 443 |                 first @ '0'...'9' => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stream.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl fmt::Debug for LispIterator {
[INFO] [stdout]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stream.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl PartialEq for LispIterator {
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stream.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn eq(&self, _other: &LispIterator) -> bool {
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:158:30
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub type Stream = Rc<RefCell<LispIterator>>;
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:553:21
[INFO] [stdout]     |
[INFO] [stdout] 553 |     fn from(other: &ToDatum) -> Datum {
[INFO] [stdout]     |                     ^^^^^^^ help: use `dyn`: `dyn ToDatum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub output: Rc<RefCell<Write>>,
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:42:35
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new(output: Rc<RefCell<Write>>, stdlib: bool) -> Self {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::LispErr`
[INFO] [stdout]  --> src/builtin/hashmap.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ::LispErr;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::LispErr::*`
[INFO] [stdout]  --> src/builtin/hashmap.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ::LispErr::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/builtin/math.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     (c as isize)
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::LispErr::*`
[INFO] [stdout]  --> src/builtin/data_structures.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ::LispErr::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/bignum.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 (*self.data.get(0).unwrap_or(&0) as isize)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 'a' ... 'z' => true,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 '0' ... '9' => true,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:183:21
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 '0' ... '9' => true,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:436:28
[INFO] [stdout]     |
[INFO] [stdout] 436 |                 first @ 'a'...'z' | first @ '!' | first @ '$'
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:443:28
[INFO] [stdout]     |
[INFO] [stdout] 443 |                 first @ '0'...'9' => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stream.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl fmt::Debug for LispIterator {
[INFO] [stdout]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stream.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl PartialEq for LispIterator {
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stream.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn eq(&self, _other: &LispIterator) -> bool {
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:158:30
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub type Stream = Rc<RefCell<LispIterator>>;
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn LispIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:553:21
[INFO] [stdout]     |
[INFO] [stdout] 553 |     fn from(other: &ToDatum) -> Datum {
[INFO] [stdout]     |                     ^^^^^^^ help: use `dyn`: `dyn ToDatum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/doc.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let processed = line.trim_left_matches(';');
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/doc.rs:54:61
[INFO] [stdout]    |
[INFO] [stdout] 54 |         Err(why) => panic!("couldn't spawn pandoc: {}", why.description()),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/doc.rs:60:32
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/doc.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let processed = line.trim_left_matches(';');
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/doc.rs:54:61
[INFO] [stdout]    |
[INFO] [stdout] 54 |         Err(why) => panic!("couldn't spawn pandoc: {}", why.description()),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/doc.rs:60:32
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lisp`
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/symbol_table.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |     assert_eq!(st.insert("foo"), 0);
[INFO] [stdout]    |                          ^^^^^ expected struct `String`, found `str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&String`
[INFO] [stdout]               found reference `&'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/symbol_table.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |     assert_eq!(st.insert("bar"), 1);
[INFO] [stdout]    |                          ^^^^^ expected struct `String`, found `str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&String`
[INFO] [stdout]               found reference `&'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/symbol_table.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |     assert_eq!(st.insert("foo"), 0);
[INFO] [stdout]    |                          ^^^^^ expected struct `String`, found `str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&String`
[INFO] [stdout]               found reference `&'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "563088b50ea6f4ea100aedaaec704548f2b06951053f218616d21f0a28bb6a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563088b50ea6f4ea100aedaaec704548f2b06951053f218616d21f0a28bb6a3f", kill_on_drop: false }`
[INFO] [stdout] 563088b50ea6f4ea100aedaaec704548f2b06951053f218616d21f0a28bb6a3f