[INFO] crate sexp 1.1.4 is already in cache
[INFO] testing sexp-1.1.4 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate sexp 1.1.4 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate sexp 1.1.4 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b8580769e562fc8e75d6e7d5d0322d5848136914ad6cdca80723f973db51c21
[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" "2b8580769e562fc8e75d6e7d5d0322d5848136914ad6cdca80723f973db51c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b8580769e562fc8e75d6e7d5d0322d5848136914ad6cdca80723f973db51c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8580769e562fc8e75d6e7d5d0322d5848136914ad6cdca80723f973db51c21", kill_on_drop: false }`
[INFO] [stdout] 2b8580769e562fc8e75d6e7d5d0322d5848136914ad6cdca80723f973db51c21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2b73e5cc918181982d30c974e56ada2f1b61ac86778acaf82563f29d938e687
[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" "e2b73e5cc918181982d30c974e56ada2f1b61ac86778acaf82563f29d938e687", kill_on_drop: false }`
[INFO] [stderr]    Compiling sexp v1.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "e2b73e5cc918181982d30c974e56ada2f1b61ac86778acaf82563f29d938e687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b73e5cc918181982d30c974e56ada2f1b61ac86778acaf82563f29d938e687", kill_on_drop: false }`
[INFO] [stdout] e2b73e5cc918181982d30c974e56ada2f1b61ac86778acaf82563f29d938e687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f530be8ea449061246479774755e22aab7784d4959e05b9c6a69f9ce7163d58f
[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" "f530be8ea449061246479774755e22aab7784d4959e05b9c6a69f9ce7163d58f", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated item '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] [stderr]    Compiling sexp v1.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "f530be8ea449061246479774755e22aab7784d4959e05b9c6a69f9ce7163d58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f530be8ea449061246479774755e22aab7784d4959e05b9c6a69f9ce7163d58f", kill_on_drop: false }`
[INFO] [stdout] f530be8ea449061246479774755e22aab7784d4959e05b9c6a69f9ce7163d58f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1aec0132478180f68dc390f188afedaf19546a94d29361a5e5e22bfc7099d07f
[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" "1aec0132478180f68dc390f188afedaf19546a94d29361a5e5e22bfc7099d07f", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sexp-bb62d0bdac752ae5
[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_hello_world ... ok
[INFO] [stdout] test test_tight_parens ... ok
[INFO] [stdout] test test_space_in_atom ... ok
[INFO] [stdout] test sexp_size ... ok
[INFO] [stdout] test test_pp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sexp
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1aec0132478180f68dc390f188afedaf19546a94d29361a5e5e22bfc7099d07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aec0132478180f68dc390f188afedaf19546a94d29361a5e5e22bfc7099d07f", kill_on_drop: false }`
[INFO] [stdout] 1aec0132478180f68dc390f188afedaf19546a94d29361a5e5e22bfc7099d07f