[INFO] fetching crate acon 0.5.1...
[INFO] testing acon-0.5.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate acon 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate acon 0.5.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acon 0.5.1
[INFO] finished tweaking crates.io crate acon 0.5.1
[INFO] tweaked toml for crates.io crate acon 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62b0967bf695a65e7f838160354f9daae8ffca308588b35ee27ce77cc024354d
[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" "62b0967bf695a65e7f838160354f9daae8ffca308588b35ee27ce77cc024354d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b0967bf695a65e7f838160354f9daae8ffca308588b35ee27ce77cc024354d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b0967bf695a65e7f838160354f9daae8ffca308588b35ee27ce77cc024354d", kill_on_drop: false }`
[INFO] [stdout] 62b0967bf695a65e7f838160354f9daae8ffca308588b35ee27ce77cc024354d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6de90322118f615ba48ee4c276457934ad72c6359eccd40772016fc053819e2f
[INFO] running `Command { std: "docker" "start" "-a" "6de90322118f615ba48ee4c276457934ad72c6359eccd40772016fc053819e2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling acon v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:307:6
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     try!(recurse(key, value, f, 0));
[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:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 () => { try!(f.write_str("\n")); }
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |                     nl!();
[INFO] [stdout]     |                     ----- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 |                     wrt!("[ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 |                     wrt!("[ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:333:7
[INFO] [stdout]     |
[INFO] [stdout] 333 |                         try!(recurse("", value, f, depth + 1));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |                     wrt!("]\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |                     wrt!("]\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 339 |                     wrt!(key, " ", string, "\n");
[INFO] [stdout]     |                     ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 339 |                     wrt!(key, " ", string, "\n");
[INFO] [stdout]     |                     ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 () => { try!(f.write_str("\n")); }
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 346 |                     nl!();
[INFO] [stdout]     |                     ----- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 |                     wrt!("{ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 |                     wrt!("{ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:344:7
[INFO] [stdout]     |
[INFO] [stdout] 344 |                         try!(recurse(key, value, f, depth + 1));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 347 |                     wrt!("}\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 347 |                     wrt!("}\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:393:35
[INFO] [stdout]     |
[INFO] [stdout] 393 |                     word @ "}" | word @ "]" => { try!(close_array_or_table(word, &mut stack, current_line)); continue; }
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:394:15
[INFO] [stdout]     |
[INFO] [stdout] 394 |                     "$" => { try!(close_all_nestings(&mut stack, current_line)); continue; }
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:407:12
[INFO] [stdout]     |
[INFO] [stdout] 407 |                         => { try!(append_entry_to_top_table(table, &first, &mut words, current_line)); }
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "6de90322118f615ba48ee4c276457934ad72c6359eccd40772016fc053819e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de90322118f615ba48ee4c276457934ad72c6359eccd40772016fc053819e2f", kill_on_drop: false }`
[INFO] [stdout] 6de90322118f615ba48ee4c276457934ad72c6359eccd40772016fc053819e2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15546c919f139206ff0ec501d2cb03759f62914a577ebff55470bdd1422ebeaf
[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" "15546c919f139206ff0ec501d2cb03759f62914a577ebff55470bdd1422ebeaf", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:307:6
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     try!(recurse(key, value, f, 0));
[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:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 () => { try!(f.write_str("\n")); }
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |                     nl!();
[INFO] [stdout]     |                     ----- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 |                     wrt!("[ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 |                     wrt!("[ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:333:7
[INFO] [stdout]     |
[INFO] [stdout] 333 |                         try!(recurse("", value, f, depth + 1));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |                     wrt!("]\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |                     wrt!("]\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 339 |                     wrt!(key, " ", string, "\n");
[INFO] [stdout]     |                     ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 339 |                     wrt!(key, " ", string, "\n");
[INFO] [stdout]     |                     ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 () => { try!(f.write_str("\n")); }
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 346 |                     nl!();
[INFO] [stdout]     |                     ----- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 |                     wrt!("{ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 |                     wrt!("{ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:344:7
[INFO] [stdout]     |
[INFO] [stdout] 344 |                         try!(recurse(key, value, f, depth + 1));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 347 |                     wrt!("}\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 347 |                     wrt!("}\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:393:35
[INFO] [stdout]     |
[INFO] [stdout] 393 |                     word @ "}" | word @ "]" => { try!(close_array_or_table(word, &mut stack, current_line)); continue; }
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:394:15
[INFO] [stdout]     |
[INFO] [stdout] 394 |                     "$" => { try!(close_all_nestings(&mut stack, current_line)); continue; }
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:407:12
[INFO] [stdout]     |
[INFO] [stdout] 407 |                         => { try!(append_entry_to_top_table(table, &first, &mut words, current_line)); }
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling acon v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:307:6
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     try!(recurse(key, value, f, 0));
[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:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 () => { try!(f.write_str("\n")); }
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |                     nl!();
[INFO] [stdout]     |                     ----- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 |                     wrt!("[ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 |                     wrt!("[ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:333:7
[INFO] [stdout]     |
[INFO] [stdout] 333 |                         try!(recurse("", value, f, depth + 1));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |                     wrt!("]\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |                     wrt!("]\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 339 |                     wrt!(key, " ", string, "\n");
[INFO] [stdout]     |                     ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 339 |                     wrt!(key, " ", string, "\n");
[INFO] [stdout]     |                     ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 () => { try!(f.write_str("\n")); }
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 346 |                     nl!();
[INFO] [stdout]     |                     ----- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 |                     wrt!("{ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 |                     wrt!("{ ", key, "\n");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:344:7
[INFO] [stdout]     |
[INFO] [stdout] 344 |                         try!(recurse(key, value, f, depth + 1));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:321:6
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 347 |                     wrt!("}\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] ...
[INFO] [stdout] 347 |                     wrt!("}\n");
[INFO] [stdout]     |                     ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:393:35
[INFO] [stdout]     |
[INFO] [stdout] 393 |                     word @ "}" | word @ "]" => { try!(close_array_or_table(word, &mut stack, current_line)); continue; }
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:394:15
[INFO] [stdout]     |
[INFO] [stdout] 394 |                     "$" => { try!(close_all_nestings(&mut stack, current_line)); continue; }
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:407:12
[INFO] [stdout]     |
[INFO] [stdout] 407 |                         => { try!(append_entry_to_top_table(table, &first, &mut words, current_line)); }
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "15546c919f139206ff0ec501d2cb03759f62914a577ebff55470bdd1422ebeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15546c919f139206ff0ec501d2cb03759f62914a577ebff55470bdd1422ebeaf", kill_on_drop: false }`
[INFO] [stdout] 15546c919f139206ff0ec501d2cb03759f62914a577ebff55470bdd1422ebeaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 416929f9d53416323004de7a6922d64ffa49df4c1f80717adc106f89a120847d
[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" "416929f9d53416323004de7a6922d64ffa49df4c1f80717adc106f89a120847d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 26 tests
[INFO] [stderr]    --> src/lib.rs:307:6
[INFO] [stdout] test tests::attempt_edges ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::neg_ending_array ... ok
[INFO] [stderr] 307 |                     try!(recurse(key, value, f, 0));
[INFO] [stdout] test tests::neg_duplicate_keys_table ... ok
[INFO] [stderr]     |                     ^^^
[INFO] [stdout] test tests::neg_ending_table ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::similarity_acon ... ok
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] test tests::named_array_in_unnamed_array ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::neg_duplicate_keys_array ... ok
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test tests::unnamed_array ... ok
[INFO] [stderr]    --> src/lib.rs:327:13
[INFO] [stdout] test tests::dollar_closing_array_whitespace ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::unnamed_array_2 ... ok
[INFO] [stderr] 327 |                 () => { try!(f.write_str("\n")); }
[INFO] [stdout] test tests::comment ... ok
[INFO] [stderr]     |                         ^^^
[INFO] [stdout] test tests::dollar_duplicate ... ok
[INFO] [stderr] ...
[INFO] [stdout] test tests::neg_duplicate_keys_nested ... ok
[INFO] [stderr] 335 |                     nl!();
[INFO] [stdout] test tests::unnamed_table ... ok
[INFO] [stderr]     |                     ----- in this macro invocation
[INFO] [stdout] test tests::dot_separation_in_array ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::dot_separation_in_array_named_table ... ok
[INFO] [stderr]     = note: this warning originates in the macro `nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] test tests::split_complexity ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::inspect_dollar_closing ... ok
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test tests::unnamed_elements ... ok
[INFO] [stderr]    --> src/lib.rs:321:6
[INFO] [stdout] test tests::table_comment ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::unnamed_table_2 ... ok
[INFO] [stderr] 321 |                     try!(f.write_str(&indent));
[INFO] [stdout] test tests::named_table_in_unnamed_array ... ok
[INFO] [stderr]     |                     ^^^
[INFO] [stdout] test tests::dot_separation ... ok
[INFO] [stderr] ...
[INFO] [stdout] test tests::inspect_message ... ok
[INFO] [stderr] 331 |                     wrt!("[ ", key, "\n");
[INFO] [stdout] test tests::large_table ... ok
[INFO] [stderr]     |                     --------------------- in this macro invocation
[INFO] [stdout] test tests::neg_duplicate_keys ... ok
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:322:8
[INFO] [stderr]     |
[INFO] [stderr] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 331 |                     wrt!("[ ", key, "\n");
[INFO] [stderr]     |                     --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:333:7
[INFO] [stderr]     |
[INFO] [stderr] 333 |                         try!(recurse("", value, f, depth + 1));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:321:6
[INFO] [stderr]     |
[INFO] [stderr] 321 |                     try!(f.write_str(&indent));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 336 |                     wrt!("]\n");
[INFO] [stderr]     |                     ----------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:322:8
[INFO] [stderr]     |
[INFO] [stderr] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 336 |                     wrt!("]\n");
[INFO] [stderr]     |                     ----------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:321:6
[INFO] [stderr]     |
[INFO] [stderr] 321 |                     try!(f.write_str(&indent));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 339 |                     wrt!(key, " ", string, "\n");
[INFO] [stderr]     |                     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:322:8
[INFO] [stderr]     |
[INFO] [stderr] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 339 |                     wrt!(key, " ", string, "\n");
[INFO] [stderr]     |                     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:327:13
[INFO] [stderr]     |
[INFO] [stderr] 327 |                 () => { try!(f.write_str("\n")); }
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 346 |                     nl!();
[INFO] [stderr]     |                     ----- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:321:6
[INFO] [stderr]     |
[INFO] [stderr] 321 |                     try!(f.write_str(&indent));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 342 |                     wrt!("{ ", key, "\n");
[INFO] [stderr]     |                     --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:322:8
[INFO] [stderr]     |
[INFO] [stderr] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 342 |                     wrt!("{ ", key, "\n");
[INFO] [stderr]     |                     --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:344:7
[INFO] [stderr]     |
[INFO] [stderr] 344 |                         try!(recurse(key, value, f, depth + 1));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:321:6
[INFO] [stderr]     |
[INFO] [stderr] 321 |                     try!(f.write_str(&indent));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 347 |                     wrt!("}\n");
[INFO] [stderr]     |                     ----------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:322:8
[INFO] [stderr]     |
[INFO] [stderr] 322 |                     $(try!(f.write_str($x));)*
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 347 |                     wrt!("}\n");
[INFO] [stderr]     |                     ----------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `wrt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:393:35
[INFO] [stderr]     |
[INFO] [stderr] 393 |                     word @ "}" | word @ "]" => { try!(close_array_or_table(word, &mut stack, current_line)); continue; }
[INFO] [stderr]     |                                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:394:15
[INFO] [stderr]     |
[INFO] [stderr] 394 |                     "$" => { try!(close_all_nestings(&mut stack, current_line)); continue; }
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:407:12
[INFO] [stderr]     |
[INFO] [stderr] 407 |                         => { try!(append_entry_to_top_table(table, &first, &mut words, current_line)); }
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `acon` (lib) generated 18 warnings
[INFO] [stderr] warning: `acon` (lib test) generated 18 warnings (18 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/acon-47340c0ebc8629b4)
[INFO] [stderr]    Doc-tests acon
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Acon::path (line 163) ... ok
[INFO] [stdout] test src/lib.rs - (line 91) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] test src/lib.rs - Acon::from_str (line 360) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "416929f9d53416323004de7a6922d64ffa49df4c1f80717adc106f89a120847d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416929f9d53416323004de7a6922d64ffa49df4c1f80717adc106f89a120847d", kill_on_drop: false }`
[INFO] [stdout] 416929f9d53416323004de7a6922d64ffa49df4c1f80717adc106f89a120847d