[INFO] fetching crate sexp 1.1.4...
[INFO] testing sexp-1.1.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate sexp 1.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sexp 1.1.4
[INFO] finished tweaking crates.io crate sexp 1.1.4
[INFO] tweaked toml for crates.io crate sexp 1.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sexp 1.1.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1eaa72795533cfe24926201213927f8d95df1af3891ebb619e9f4d0ab0ed239
[INFO] running `Command { std: "docker" "start" "-a" "b1eaa72795533cfe24926201213927f8d95df1af3891ebb619e9f4d0ab0ed239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1eaa72795533cfe24926201213927f8d95df1af3891ebb619e9f4d0ab0ed239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1eaa72795533cfe24926201213927f8d95df1af3891ebb619e9f4d0ab0ed239", kill_on_drop: false }`
[INFO] [stdout] b1eaa72795533cfe24926201213927f8d95df1af3891ebb619e9f4d0ab0ed239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7a044b9394ab61254957d82570cce4fe8db72b3f10802f1c2d94844127db485
[INFO] running `Command { std: "docker" "start" "-a" "b7a044b9394ab61254957d82570cce4fe8db72b3f10802f1c2d94844127db485", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling sexp v1.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |   let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:176:22
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:187:22
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:189:34
[INFO] [stdout]     |
[INFO] [stdout] 189 |     if ch == ';'               { try!(consume_until_newline(s, pos)) }
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:199:3
[INFO] [stdout]     |
[INFO] [stdout] 199 |   try!(expect(s, pos, '"'));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:202:22
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:207:35
[INFO] [stdout]     |
[INFO] [stdout] 207 |       let (postslash, nextnext) = try!(peek(s, &next));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:231:21
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let (c, next) = try!(peek(s, pos));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:233:19
[INFO] [stdout]     |
[INFO] [stdout] 233 |     if c == ';' { try!(consume_until_newline(s, pos)); break }
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |   let (ch, _) = try!(peek(s, pos));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:252:3
[INFO] [stdout]     |
[INFO] [stdout] 252 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:253:3
[INFO] [stdout]     |
[INFO] [stdout] 253 |   try!(expect(s, pos, '('));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:267:3
[INFO] [stdout]     |
[INFO] [stdout] 267 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 |     try!(zspace(s, pos));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 |     let (c, next) = try!(peek(s, pos));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:16
[INFO] [stdout]     |
[INFO] [stdout] 264 |     sexps.push(try!(parse_sexp(s, pos)));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:274:3
[INFO] [stdout]     |
[INFO] [stdout] 274 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:279:3
[INFO] [stdout]     |
[INFO] [stdout] 279 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:275:16
[INFO] [stdout]     |
[INFO] [stdout] 275 |   let (c, _) = try!(peek(s, pos));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:277:33
[INFO] [stdout]     |
[INFO] [stdout] 277 |     if c == '(' { Ok(Sexp::List(try!(parse_list(s, pos)))) }
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:278:33
[INFO] [stdout]     |
[INFO] [stdout] 278 |     else        { Ok(Sexp::Atom(try!(parse_atom(s, pos)))) };
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |   let ret = try!(parse_sexp(s, &mut pos));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         try!(write!(f, "("));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:358:11
[INFO] [stdout]     |
[INFO] [stdout] 358 |           try!(write!(f, "{}{}", s, x));
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:30
[INFO] [stdout]    |
[INFO] [stdout] 56 |   fn cause(&self) -> Option<&error::Error> { None }
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |   fn cause(&self) -> Option<&dyn error::Error> { None }
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn quote(s: &str) -> Cow<str> {
[INFO] [stdout]     |             ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn quote(s: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "b7a044b9394ab61254957d82570cce4fe8db72b3f10802f1c2d94844127db485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a044b9394ab61254957d82570cce4fe8db72b3f10802f1c2d94844127db485", kill_on_drop: false }`
[INFO] [stdout] b7a044b9394ab61254957d82570cce4fe8db72b3f10802f1c2d94844127db485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aefc4381ed9c3858c75b35f5a8b53b279c711488591ec693592e667ec2629e5f
[INFO] running `Command { std: "docker" "start" "-a" "aefc4381ed9c3858c75b35f5a8b53b279c711488591ec693592e667ec2629e5f", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |   let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:176:22
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:187:22
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:189:34
[INFO] [stdout]     |
[INFO] [stdout] 189 |     if ch == ';'               { try!(consume_until_newline(s, pos)) }
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:199:3
[INFO] [stdout]     |
[INFO] [stdout] 199 |   try!(expect(s, pos, '"'));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:202:22
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:207:35
[INFO] [stdout]     |
[INFO] [stdout] 207 |       let (postslash, nextnext) = try!(peek(s, &next));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:231:21
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let (c, next) = try!(peek(s, pos));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:233:19
[INFO] [stdout]     |
[INFO] [stdout] 233 |     if c == ';' { try!(consume_until_newline(s, pos)); break }
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |   let (ch, _) = try!(peek(s, pos));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:252:3
[INFO] [stdout]     |
[INFO] [stdout] 252 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:253:3
[INFO] [stdout]     |
[INFO] [stdout] 253 |   try!(expect(s, pos, '('));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:267:3
[INFO] [stdout]     |
[INFO] [stdout] 267 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 |     try!(zspace(s, pos));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 |     let (c, next) = try!(peek(s, pos));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:16
[INFO] [stdout]     |
[INFO] [stdout] 264 |     sexps.push(try!(parse_sexp(s, pos)));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:274:3
[INFO] [stdout]     |
[INFO] [stdout] 274 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:279:3
[INFO] [stdout]     |
[INFO] [stdout] 279 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:275:16
[INFO] [stdout]     |
[INFO] [stdout] 275 |   let (c, _) = try!(peek(s, pos));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:277:33
[INFO] [stdout]     |
[INFO] [stdout] 277 |     if c == '(' { Ok(Sexp::List(try!(parse_list(s, pos)))) }
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:278:33
[INFO] [stdout]     |
[INFO] [stdout] 278 |     else        { Ok(Sexp::Atom(try!(parse_atom(s, pos)))) };
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |   let ret = try!(parse_sexp(s, &mut pos));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         try!(write!(f, "("));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:358:11
[INFO] [stdout]     |
[INFO] [stdout] 358 |           try!(write!(f, "{}{}", s, x));
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:30
[INFO] [stdout]    |
[INFO] [stdout] 56 |   fn cause(&self) -> Option<&error::Error> { None }
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |   fn cause(&self) -> Option<&dyn error::Error> { None }
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn quote(s: &str) -> Cow<str> {
[INFO] [stdout]     |             ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn quote(s: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sexp v1.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |   let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:176:22
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:187:22
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:189:34
[INFO] [stdout]     |
[INFO] [stdout] 189 |     if ch == ';'               { try!(consume_until_newline(s, pos)) }
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:199:3
[INFO] [stdout]     |
[INFO] [stdout] 199 |   try!(expect(s, pos, '"'));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:202:22
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:207:35
[INFO] [stdout]     |
[INFO] [stdout] 207 |       let (postslash, nextnext) = try!(peek(s, &next));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:231:21
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let (c, next) = try!(peek(s, pos));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:233:19
[INFO] [stdout]     |
[INFO] [stdout] 233 |     if c == ';' { try!(consume_until_newline(s, pos)); break }
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |   let (ch, _) = try!(peek(s, pos));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:252:3
[INFO] [stdout]     |
[INFO] [stdout] 252 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:253:3
[INFO] [stdout]     |
[INFO] [stdout] 253 |   try!(expect(s, pos, '('));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:267:3
[INFO] [stdout]     |
[INFO] [stdout] 267 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 |     try!(zspace(s, pos));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 |     let (c, next) = try!(peek(s, pos));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:264:16
[INFO] [stdout]     |
[INFO] [stdout] 264 |     sexps.push(try!(parse_sexp(s, pos)));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:274:3
[INFO] [stdout]     |
[INFO] [stdout] 274 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:279:3
[INFO] [stdout]     |
[INFO] [stdout] 279 |   try!(zspace(s, pos));
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:275:16
[INFO] [stdout]     |
[INFO] [stdout] 275 |   let (c, _) = try!(peek(s, pos));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:277:33
[INFO] [stdout]     |
[INFO] [stdout] 277 |     if c == '(' { Ok(Sexp::List(try!(parse_list(s, pos)))) }
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:278:33
[INFO] [stdout]     |
[INFO] [stdout] 278 |     else        { Ok(Sexp::Atom(try!(parse_atom(s, pos)))) };
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |   let ret = try!(parse_sexp(s, &mut pos));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         try!(write!(f, "("));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:358:11
[INFO] [stdout]     |
[INFO] [stdout] 358 |           try!(write!(f, "{}{}", s, x));
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:30
[INFO] [stdout]    |
[INFO] [stdout] 56 |   fn cause(&self) -> Option<&error::Error> { None }
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |   fn cause(&self) -> Option<&dyn error::Error> { None }
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn quote(s: &str) -> Cow<str> {
[INFO] [stdout]     |             ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn quote(s: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "aefc4381ed9c3858c75b35f5a8b53b279c711488591ec693592e667ec2629e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aefc4381ed9c3858c75b35f5a8b53b279c711488591ec693592e667ec2629e5f", kill_on_drop: false }`
[INFO] [stdout] aefc4381ed9c3858c75b35f5a8b53b279c711488591ec693592e667ec2629e5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a0db71795a7b6a35c934225c5f388ed145a790484525297d0509b1096337c49
[INFO] running `Command { std: "docker" "start" "-a" "2a0db71795a7b6a35c934225c5f388ed145a790484525297d0509b1096337c49", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:168:20
[INFO] [stderr]     |
[INFO] [stderr] 168 |   let (ch, next) = try!(peek(s, pos));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:176:22
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:187:22
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:189:34
[INFO] [stderr]     |
[INFO] [stderr] 189 |     if ch == ';'               { try!(consume_until_newline(s, pos)) }
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:199:3
[INFO] [stderr]     |
[INFO] [stderr] 199 |   try!(expect(s, pos, '"'));
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:202:22
[INFO] [stderr]     |
[INFO] [stderr] 202 |     let (ch, next) = try!(peek(s, pos));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:207:35
[INFO] [stderr]     |
[INFO] [stderr] 207 |       let (postslash, nextnext) = try!(peek(s, &next));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |     let (c, next) = try!(peek(s, pos));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:233:19
[INFO] [stderr]     |
[INFO] [stderr] 233 |     if c == ';' { try!(consume_until_newline(s, pos)); break }
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:244:17
[INFO] [stderr]     |
[INFO] [stderr] 244 |   let (ch, _) = try!(peek(s, pos));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:252:3
[INFO] [stderr]     |
[INFO] [stderr] 252 |   try!(zspace(s, pos));
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:253:3
[INFO] [stderr]     |
[INFO] [stderr] 253 |   try!(expect(s, pos, '('));
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:267:3
[INFO] [stderr]     |
[INFO] [stderr] 267 |   try!(zspace(s, pos));
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:258:5
[INFO] [stderr]     |
[INFO] [stderr] 258 |     try!(zspace(s, pos));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:259:21
[INFO] [stderr]     |
[INFO] [stderr] 259 |     let (c, next) = try!(peek(s, pos));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:264:16
[INFO] [stderr]     |
[INFO] [stderr] 264 |     sexps.push(try!(parse_sexp(s, pos)));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:274:3
[INFO] [stderr]     |
[INFO] [stderr] 274 |   try!(zspace(s, pos));
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:279:3
[INFO] [stderr]     |
[INFO] [stderr] 279 |   try!(zspace(s, pos));
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:275:16
[INFO] [stderr]     |
[INFO] [stderr] 275 |   let (c, _) = try!(peek(s, pos));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:277:33
[INFO] [stderr]     |
[INFO] [stderr] 277 |     if c == '(' { Ok(Sexp::List(try!(parse_list(s, pos)))) }
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:278:33
[INFO] [stderr]     |
[INFO] [stderr] 278 |     else        { Ok(Sexp::Atom(try!(parse_atom(s, pos)))) };
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:307:13
[INFO] [stderr]     |
[INFO] [stderr] 307 |   let ret = try!(parse_sexp(s, &mut pos));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:355:9
[INFO] [stderr]     |
[INFO] [stderr] 355 |         try!(write!(f, "("));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:358:11
[INFO] [stderr]     |
[INFO] [stderr] 358 |           try!(write!(f, "{}{}", s, x));
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:56:30
[INFO] [stderr]    |
[INFO] [stderr] 56 |   fn cause(&self) -> Option<&error::Error> { None }
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 56 |   fn cause(&self) -> Option<&dyn error::Error> { None }
[INFO] [stderr]    |                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:327:13
[INFO] [stderr]     |
[INFO] [stderr] 327 | fn quote(s: &str) -> Cow<str> {
[INFO] [stderr]     |             ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |             |
[INFO] [stderr]     |             the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 327 | fn quote(s: &str) -> Cow<'_, str> {
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `sexp` (lib) generated 26 warnings (run `cargo fix --lib -p sexp` to apply 2 suggestions)
[INFO] [stderr] warning: `sexp` (lib test) generated 26 warnings (26 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sexp-235ccbe1e9f8ef5f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test line_and_col_test ... ok
[INFO] [stdout] test show_an_error ... ok
[INFO] [stdout] test test_escaping ... ok
[INFO] [stdout] test test_pp ... ok
[INFO] [stdout] test test_space_in_atom ... ok
[INFO] [stdout] test test_tight_parens ... ok
[INFO] [stdout] test test_hello_world ... ok
[INFO] [stdout] test sexp_size ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- sexp_size stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'sexp_size' (19) panicked at src/lib.rs:39:3:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 32
[INFO] [stdout]  right: 40
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x597e56635c6a - std[e72de78501789eb0]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x597e56635c6a - std[e72de78501789eb0]::backtrace_rs::backtrace::trace_unsynchronized::<std[e72de78501789eb0]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x597e56635c6a - std[e72de78501789eb0]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x597e56635c6a - <<std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x597e56649fea - <core[6aaeda2c7ad07a48]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x597e56649fea - core[6aaeda2c7ad07a48]::fmt::write
[INFO] [stdout]    6:     0x597e5663a4f2 - std[e72de78501789eb0]::io::default_write_fmt::<alloc[28d2dab30c1dc666]::vec::Vec<u8>>
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x597e5663a4f2 - <alloc[28d2dab30c1dc666]::vec::Vec<u8> as std[e72de78501789eb0]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x597e56614e8f - <std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x597e56614e8f - std[e72de78501789eb0]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x597e5662e229 - std[e72de78501789eb0]::panicking::default_hook
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x597e565cb3ec - <alloc[28d2dab30c1dc666]::boxed::Box<dyn for<'a, 'b> core[6aaeda2c7ad07a48]::ops::function::Fn<(&'a std[e72de78501789eb0]::panic::PanicHookInfo<'b>,), Output = ()> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::Fn<(&std[e72de78501789eb0]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x597e565cb3ec - test[4f12b380f1fb68c5]::test_main_with_exit_callback::<test[4f12b380f1fb68c5]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x597e5662e3e2 - <alloc[28d2dab30c1dc666]::boxed::Box<dyn for<'a, 'b> core[6aaeda2c7ad07a48]::ops::function::Fn<(&'a std[e72de78501789eb0]::panic::PanicHookInfo<'b>,), Output = ()> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::Fn<(&std[e72de78501789eb0]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x597e5662e3e2 - std[e72de78501789eb0]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x597e56614f48 - std[e72de78501789eb0]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x597e5660c8e9 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace::<std[e72de78501789eb0]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x597e56615c5d - __rustc[78a4cf188af856fc]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x597e5664a77c - core[6aaeda2c7ad07a48]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x597e5664a633 - core[6aaeda2c7ad07a48]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x597e56646728 - core[6aaeda2c7ad07a48]::panicking::assert_failed::<usize, usize>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x597e565b63b2 - sexp[dd26035443b5aa08]::sexp_size
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:39:3
[INFO] [stdout]   22:     0x597e565b2017 - sexp[dd26035443b5aa08]::sexp_size::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:36:15
[INFO] [stdout]   23:     0x597e565bc886 - <sexp[dd26035443b5aa08]::sexp_size::{closure#0} as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x597e565bf4cb - <fn() -> core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x597e565bf4cb - test[4f12b380f1fb68c5]::__rust_begin_short_backtrace::<core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>, fn() -> core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x597e565cbebb - test[4f12b380f1fb68c5]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x597e565cbebb - <core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<test[4f12b380f1fb68c5]::run_test_in_process::{closure#0}> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x597e565cbebb - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<test[4f12b380f1fb68c5]::run_test_in_process::{closure#0}>, core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x597e565cbebb - std[e72de78501789eb0]::panicking::catch_unwind::<core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>, core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<test[4f12b380f1fb68c5]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x597e565cbebb - std[e72de78501789eb0]::panic::catch_unwind::<core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<test[4f12b380f1fb68c5]::run_test_in_process::{closure#0}>, core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x597e565cbebb - test[4f12b380f1fb68c5]::run_test_in_process
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x597e565cbebb - test[4f12b380f1fb68c5]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x597e565c75d4 - test[4f12b380f1fb68c5]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x597e565c75d4 - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace::<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x597e565ceac2 - std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked::<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x597e565ceac2 - <core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x597e565ceac2 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x597e565ceac2 - std[e72de78501789eb0]::panicking::catch_unwind::<(), core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x597e565ceac2 - std[e72de78501789eb0]::panic::catch_unwind::<core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x597e565ceac2 - std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked::<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x597e565ceac2 - <std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1} as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x597e5663557f - <alloc[28d2dab30c1dc666]::boxed::Box<dyn core[6aaeda2c7ad07a48]::ops::function::FnOnce<(), Output = ()> + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x597e5663557f - <std[e72de78501789eb0]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7e51509fbaa4 - <unknown>
[INFO] [stdout]   45:     0x7e5150a88a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     sexp_size
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a0db71795a7b6a35c934225c5f388ed145a790484525297d0509b1096337c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0db71795a7b6a35c934225c5f388ed145a790484525297d0509b1096337c49", kill_on_drop: false }`
[INFO] [stdout] 2a0db71795a7b6a35c934225c5f388ed145a790484525297d0509b1096337c49