[INFO] cloning repository https://github.com/atti1a/jsish-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atti1a/jsish-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatti1a%2Fjsish-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatti1a%2Fjsish-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d539fd4be935768fc8034f6ea84a4e571ffe4e93
[INFO] testing atti1a/jsish-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatti1a%2Fjsish-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atti1a/jsish-rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/atti1a/jsish-rust
[INFO] finished tweaking git repo https://github.com/atti1a/jsish-rust
[INFO] tweaked toml for git repo https://github.com/atti1a/jsish-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/atti1a/jsish-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded atty v0.2.6
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.33
[INFO] [stderr]   Downloaded winapi v0.3.2
[INFO] [stderr]   Downloaded clap v2.29.0
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.3.2
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 114bd2febcfb923dadc8de71935c7c71a90f8b7bc7a557c31aefd2bab21a3f38
[INFO] running `Command { std: "docker" "start" "-a" "114bd2febcfb923dadc8de71935c7c71a90f8b7bc7a557c31aefd2bab21a3f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "114bd2febcfb923dadc8de71935c7c71a90f8b7bc7a557c31aefd2bab21a3f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114bd2febcfb923dadc8de71935c7c71a90f8b7bc7a557c31aefd2bab21a3f38", kill_on_drop: false }`
[INFO] [stdout] 114bd2febcfb923dadc8de71935c7c71a90f8b7bc7a557c31aefd2bab21a3f38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f64699dc59efc43a51824f0600f8a9872fd355da6edf5ae157eded97c959f657
[INFO] running `Command { std: "docker" "start" "-a" "f64699dc59efc43a51824f0600f8a9872fd355da6edf5ae157eded97c959f657", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling jsish-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/interpreter.rs:288:22
[INFO] [stdout]     |
[INFO] [stdout] 288 |     ) -> JsishResult<(Environment)> {
[INFO] [stdout]     |                      ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 288 -     ) -> JsishResult<(Environment)> {
[INFO] [stdout] 288 +     ) -> JsishResult<Environment> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/interpreter.rs:307:22
[INFO] [stdout]     |
[INFO] [stdout] 307 |     ) -> JsishResult<(Environment)> {
[INFO] [stdout]     |                      ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 307 -     ) -> JsishResult<(Environment)> {
[INFO] [stdout] 307 +     ) -> JsishResult<Environment> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:218:16
[INFO] [stdout]     |
[INFO] [stdout] 218 |     is_valid: &Fn (char) -> bool
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 218 -     is_valid: &Fn (char) -> bool
[INFO] [stdout] 218 +     is_valid: &dyn Fn (char) -> bool
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pred: &Fn(&Token) -> bool,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 111 -     pred: &Fn(&Token) -> bool,
[INFO] [stdout] 111 +     pred: &dyn Fn(&Token) -> bool,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 -     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout] 112 +     parse_single: &dyn Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 -     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout] 130 +     parse_single: &dyn Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:153:18
[INFO] [stdout]     |
[INFO] [stdout] 153 |     parse_opnd: &Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 153 -     parse_opnd: &Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stdout] 153 +     parse_opnd: &dyn Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 29 +     fn cause(&self) -> Option<&dyn error::Error> {
[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/types.rs:25:49
[INFO] [stdout]    |
[INFO] [stdout] 25 |             JsishError::IoError(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:31:58
[INFO] [stdout]    |
[INFO] [stdout] 31 |             JsishError::IoError(ref err) => Some(err as &error::Error),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 -             JsishError::IoError(ref err) => Some(err as &error::Error),
[INFO] [stdout] 31 +             JsishError::IoError(ref err) => Some(err as &dyn error::Error),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "f64699dc59efc43a51824f0600f8a9872fd355da6edf5ae157eded97c959f657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64699dc59efc43a51824f0600f8a9872fd355da6edf5ae157eded97c959f657", kill_on_drop: false }`
[INFO] [stdout] f64699dc59efc43a51824f0600f8a9872fd355da6edf5ae157eded97c959f657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d99b73926ccf008fa935dd01c88f68ccb885d9de9fae7bf93664dcc33b4f70d8
[INFO] running `Command { std: "docker" "start" "-a" "d99b73926ccf008fa935dd01c88f68ccb885d9de9fae7bf93664dcc33b4f70d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/interpreter.rs:288:22
[INFO] [stdout]     |
[INFO] [stdout] 288 |     ) -> JsishResult<(Environment)> {
[INFO] [stdout]     |                      ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 288 -     ) -> JsishResult<(Environment)> {
[INFO] [stdout] 288 +     ) -> JsishResult<Environment> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/interpreter.rs:307:22
[INFO] [stdout]     |
[INFO] [stdout] 307 |     ) -> JsishResult<(Environment)> {
[INFO] [stdout]     |                      ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 307 -     ) -> JsishResult<(Environment)> {
[INFO] [stdout] 307 +     ) -> JsishResult<Environment> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:218:16
[INFO] [stdout]     |
[INFO] [stdout] 218 |     is_valid: &Fn (char) -> bool
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 218 -     is_valid: &Fn (char) -> bool
[INFO] [stdout] 218 +     is_valid: &dyn Fn (char) -> bool
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pred: &Fn(&Token) -> bool,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 111 -     pred: &Fn(&Token) -> bool,
[INFO] [stdout] 111 +     pred: &dyn Fn(&Token) -> bool,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 -     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout] 112 +     parse_single: &dyn Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 -     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout] 130 +     parse_single: &dyn Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:153:18
[INFO] [stdout]     |
[INFO] [stdout] 153 |     parse_opnd: &Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 153 -     parse_opnd: &Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stdout] 153 +     parse_opnd: &dyn Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 29 +     fn cause(&self) -> Option<&dyn error::Error> {
[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/types.rs:25:49
[INFO] [stdout]    |
[INFO] [stdout] 25 |             JsishError::IoError(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:31:58
[INFO] [stdout]    |
[INFO] [stdout] 31 |             JsishError::IoError(ref err) => Some(err as &error::Error),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 -             JsishError::IoError(ref err) => Some(err as &error::Error),
[INFO] [stdout] 31 +             JsishError::IoError(ref err) => Some(err as &dyn error::Error),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jsish-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/interpreter.rs:288:22
[INFO] [stdout]     |
[INFO] [stdout] 288 |     ) -> JsishResult<(Environment)> {
[INFO] [stdout]     |                      ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 288 -     ) -> JsishResult<(Environment)> {
[INFO] [stdout] 288 +     ) -> JsishResult<Environment> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/interpreter.rs:307:22
[INFO] [stdout]     |
[INFO] [stdout] 307 |     ) -> JsishResult<(Environment)> {
[INFO] [stdout]     |                      ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 307 -     ) -> JsishResult<(Environment)> {
[INFO] [stdout] 307 +     ) -> JsishResult<Environment> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:218:16
[INFO] [stdout]     |
[INFO] [stdout] 218 |     is_valid: &Fn (char) -> bool
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 218 -     is_valid: &Fn (char) -> bool
[INFO] [stdout] 218 +     is_valid: &dyn Fn (char) -> bool
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pred: &Fn(&Token) -> bool,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 111 -     pred: &Fn(&Token) -> bool,
[INFO] [stdout] 111 +     pred: &dyn Fn(&Token) -> bool,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 -     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout] 112 +     parse_single: &dyn Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 -     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout] 130 +     parse_single: &dyn Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:153:18
[INFO] [stdout]     |
[INFO] [stdout] 153 |     parse_opnd: &Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 153 -     parse_opnd: &Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stdout] 153 +     parse_opnd: &dyn Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 29 +     fn cause(&self) -> Option<&dyn error::Error> {
[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/types.rs:25:49
[INFO] [stdout]    |
[INFO] [stdout] 25 |             JsishError::IoError(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:31:58
[INFO] [stdout]    |
[INFO] [stdout] 31 |             JsishError::IoError(ref err) => Some(err as &error::Error),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 -             JsishError::IoError(ref err) => Some(err as &error::Error),
[INFO] [stdout] 31 +             JsishError::IoError(ref err) => Some(err as &dyn error::Error),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4m 48s
[INFO] running `Command { std: "docker" "inspect" "d99b73926ccf008fa935dd01c88f68ccb885d9de9fae7bf93664dcc33b4f70d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99b73926ccf008fa935dd01c88f68ccb885d9de9fae7bf93664dcc33b4f70d8", kill_on_drop: false }`
[INFO] [stdout] d99b73926ccf008fa935dd01c88f68ccb885d9de9fae7bf93664dcc33b4f70d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23d128e4c674ac79a95fa967a4a8ed96f7e9f44aea3c2227ccb568089eed35fe
[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" "23d128e4c674ac79a95fa967a4a8ed96f7e9f44aea3c2227ccb568089eed35fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/interpreter.rs:288:22
[INFO] [stderr]     |
[INFO] [stderr] 288 |     ) -> JsishResult<(Environment)> {
[INFO] [stderr]     |                      ^           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 288 -     ) -> JsishResult<(Environment)> {
[INFO] [stderr] 288 +     ) -> JsishResult<Environment> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/interpreter.rs:307:22
[INFO] [stderr]     |
[INFO] [stderr] 307 |     ) -> JsishResult<(Environment)> {
[INFO] [stderr]     |                      ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 307 -     ) -> JsishResult<(Environment)> {
[INFO] [stderr] 307 +     ) -> JsishResult<Environment> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tokenizer.rs:218:16
[INFO] [stderr]     |
[INFO] [stderr] 218 |     is_valid: &Fn (char) -> bool
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 218 -     is_valid: &Fn (char) -> bool
[INFO] [stderr] 218 +     is_valid: &dyn Fn (char) -> bool
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pred: &Fn(&Token) -> bool,
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 111 -     pred: &Fn(&Token) -> bool,
[INFO] [stderr] 111 +     pred: &dyn Fn(&Token) -> bool,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:112:20
[INFO] [stderr]     |
[INFO] [stderr] 112 |     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 112 -     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stderr] 112 +     parse_single: &dyn Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:130:20
[INFO] [stderr]     |
[INFO] [stderr] 130 |     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 130 -     parse_single: &Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stderr] 130 +     parse_single: &dyn Fn(&mut FStream, Token) -> JsishResult<(T, Token)>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:153:18
[INFO] [stderr]     |
[INFO] [stderr] 153 |     parse_opnd: &Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 153 -     parse_opnd: &Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stderr] 153 +     parse_opnd: &dyn Fn(&mut FStream, Token) -> JsishResult<(Expression, Token)>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr] 29 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:25:49
[INFO] [stderr]    |
[INFO] [stderr] 25 |             JsishError::IoError(ref err) => err.description(),
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:31:58
[INFO] [stderr]    |
[INFO] [stderr] 31 |             JsishError::IoError(ref err) => Some(err as &error::Error),
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 31 -             JsishError::IoError(ref err) => Some(err as &error::Error),
[INFO] [stderr] 31 +             JsishError::IoError(ref err) => Some(err as &dyn error::Error),
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `jsish-rust` (lib) generated 10 warnings
[INFO] [stderr] warning: `jsish-rust` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsish_rust-af94354f8f9330b9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsish_rust-e266f768f55deeec)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsish-rust
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/interpreter.rs:288:22
[INFO] [stderr]     |
[INFO] [stderr] 288 |     ) -> JsishResult<(Environment)> {
[INFO] [stderr]     |                      ^           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 288 -     ) -> JsishResult<(Environment)> {
[INFO] [stderr] 288 +     ) -> JsishResult<Environment> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/interpreter.rs:307:22
[INFO] [stderr]     |
[INFO] [stderr] 307 |     ) -> JsishResult<(Environment)> {
[INFO] [stderr]     |                      ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 307 -     ) -> JsishResult<(Environment)> {
[INFO] [stderr] 307 +     ) -> JsishResult<Environment> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23d128e4c674ac79a95fa967a4a8ed96f7e9f44aea3c2227ccb568089eed35fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d128e4c674ac79a95fa967a4a8ed96f7e9f44aea3c2227ccb568089eed35fe", kill_on_drop: false }`
[INFO] [stdout] 23d128e4c674ac79a95fa967a4a8ed96f7e9f44aea3c2227ccb568089eed35fe