[INFO] fetching crate rusty-peg 0.3.0...
[INFO] checking rusty-peg-0.3.0 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate rusty-peg 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rusty-peg 0.3.0 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-peg 0.3.0
[INFO] finished tweaking crates.io crate rusty-peg 0.3.0
[INFO] tweaked toml for crates.io crate rusty-peg 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1193d769cf29d4e30dbe2019d0f4e43525a20ee8e4c6088c2029a754eafb9b4
[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" "a1193d769cf29d4e30dbe2019d0f4e43525a20ee8e4c6088c2029a754eafb9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1193d769cf29d4e30dbe2019d0f4e43525a20ee8e4c6088c2029a754eafb9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1193d769cf29d4e30dbe2019d0f4e43525a20ee8e4c6088c2029a754eafb9b4", kill_on_drop: false }`
[INFO] [stdout] a1193d769cf29d4e30dbe2019d0f4e43525a20ee8e4c6088c2029a754eafb9b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--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] caa15ba2b89bd590c4c9111b19e4944805df43e6cd9e7dc6b8ef1aa2e6235907
[INFO] running `Command { std: "docker" "start" "-a" "caa15ba2b89bd590c4c9111b19e4944805df43e6cd9e7dc6b8ef1aa2e6235907", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking rusty-peg v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let (mid, result) = try!(self.parse(grammar, start));
[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/util.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (mid, first) = try!(self.first.parse(grammar, start));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let (sep, ()) = try!(self.sep.parse(grammar, mid));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let (end, second) = try!(self.second.parse(grammar, sep));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/calculator.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | / rusty_peg! {
[INFO] [stdout] 5   | |     parser Calculator<'input> {
[INFO] [stdout] 6   | |         EXPR: u32 =
[INFO] [stdout] 7   | |             ADD_SUB_EXPR;
[INFO] [stdout] ...   |
[INFO] [stdout] 30  | |     }
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let (mid, result) = try!(self.parse(grammar, start));
[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/util.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let (mid, first) = try!(self.first.parse(grammar, start));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let (sep, ()) = try!(self.sep.parse(grammar, mid));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let (end, second) = try!(self.second.parse(grammar, sep));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/calculator.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | / rusty_peg! {
[INFO] [stdout] 5   | |     parser Calculator<'input> {
[INFO] [stdout] 6   | |         EXPR: u32 =
[INFO] [stdout] 7   | |             ADD_SUB_EXPR;
[INFO] [stdout] ...   |
[INFO] [stdout] 30  | |     }
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:408:29
[INFO] [stdout]     |
[INFO] [stdout] 408 |   ...                   try!($crate::Symbol::parse(&lhs_parser,
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/calculator.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | / rusty_peg! {
[INFO] [stdout] 5   | |     parser Calculator<'input> {
[INFO] [stdout] 6   | |         EXPR: u32 =
[INFO] [stdout] 7   | |             ADD_SUB_EXPR;
[INFO] [stdout] ...   |
[INFO] [stdout] 30  | |     }
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:408:29
[INFO] [stdout]     |
[INFO] [stdout] 408 |   ...                   try!($crate::Symbol::parse(&lhs_parser,
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/calculator.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | / rusty_peg! {
[INFO] [stdout] 5   | |     parser Calculator<'input> {
[INFO] [stdout] 6   | |         EXPR: u32 =
[INFO] [stdout] 7   | |             ADD_SUB_EXPR;
[INFO] [stdout] ...   |
[INFO] [stdout] 30  | |     }
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/classy.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | / rusty_peg! {
[INFO] [stdout] 36  | |     parser Classy<'input> {
[INFO] [stdout] 37  | |         ID: &'input str =
[INFO] [stdout] 38  | |             regex(r"^[a-zA-Z_][a-zA-Z_0-9]*") - ["class"];
[INFO] [stdout] ...   |
[INFO] [stdout] 64  | |     }
[INFO] [stdout] 65  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/classy.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | / rusty_peg! {
[INFO] [stdout] 36  | |     parser Classy<'input> {
[INFO] [stdout] 37  | |         ID: &'input str =
[INFO] [stdout] 38  | |             regex(r"^[a-zA-Z_][a-zA-Z_0-9]*") - ["class"];
[INFO] [stdout] ...   |
[INFO] [stdout] 64  | |     }
[INFO] [stdout] 65  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/classy.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | / rusty_peg! {
[INFO] [stdout] 36  | |     parser Classy<'input> {
[INFO] [stdout] 37  | |         ID: &'input str =
[INFO] [stdout] 38  | |             regex(r"^[a-zA-Z_][a-zA-Z_0-9]*") - ["class"];
[INFO] [stdout] ...   |
[INFO] [stdout] 64  | |     }
[INFO] [stdout] 65  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/classy.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | / rusty_peg! {
[INFO] [stdout] 36  | |     parser Classy<'input> {
[INFO] [stdout] 37  | |         ID: &'input str =
[INFO] [stdout] 38  | |             regex(r"^[a-zA-Z_][a-zA-Z_0-9]*") - ["class"];
[INFO] [stdout] ...   |
[INFO] [stdout] 64  | |     }
[INFO] [stdout] 65  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 30  | |     }
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 30  | |     }
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 30  | |     }
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 30  | |     }
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 30  | |     }
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/combos.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | / rusty_peg! {
[INFO] [stdout] 9   | |     parser Parser<'input> {
[INFO] [stdout] 10  | |         StrHi: &'input str = "Hi";
[INFO] [stdout] 11  | |         StrHi1: &'input str = ("Hi");
[INFO] [stdout] ...   |
[INFO] [stdout] 30  | |     }
[INFO] [stdout] 31  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/silly_grammar.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / rusty_peg! {
[INFO] [stdout] 8   | |     parser Parser<'input>: Foo {
[INFO] [stdout] 9   | |         Hi: u32 = ("Hi") => 1;
[INFO] [stdout] 10  | |         Ho: u32 = "Ho" => 2;
[INFO] [stdout] ...   |
[INFO] [stdout] 20  | |     }
[INFO] [stdout] 21  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/silly_grammar.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / rusty_peg! {
[INFO] [stdout] 8   | |     parser Parser<'input>: Foo {
[INFO] [stdout] 9   | |         Hi: u32 = ("Hi") => 1;
[INFO] [stdout] 10  | |         Ho: u32 = "Ho" => 2;
[INFO] [stdout] ...   |
[INFO] [stdout] 20  | |     }
[INFO] [stdout] 21  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/util.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut err;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/silly_grammar.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / rusty_peg! {
[INFO] [stdout] 8   | |     parser Parser<'input>: Foo {
[INFO] [stdout] 9   | |         Hi: u32 = ("Hi") => 1;
[INFO] [stdout] 10  | |         Ho: u32 = "Ho" => 2;
[INFO] [stdout] ...   |
[INFO] [stdout] 20  | |     }
[INFO] [stdout] 21  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/macros.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |   ...                   try!($crate::Symbol::parse(&parser, g, start));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test/silly_grammar.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / rusty_peg! {
[INFO] [stdout] 8   | |     parser Parser<'input>: Foo {
[INFO] [stdout] 9   | |         Hi: u32 = ("Hi") => 1;
[INFO] [stdout] 10  | |         Ho: u32 = "Ho" => 2;
[INFO] [stdout] ...   |
[INFO] [stdout] 20  | |     }
[INFO] [stdout] 21  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/test/calculator.rs:14:46
[INFO] [stdout]    |
[INFO] [stdout] 14 |                  ("+" <rhs:MUL_DIV_EXPR>) => { lhs + rhs },
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/test/calculator.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |                  ("-" <rhs:MUL_DIV_EXPR>) => { lhs - rhs });
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/test/calculator.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |                  ("*" <rhs:ATOM_EXPR>) => { lhs * rhs },
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/test/calculator.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 |                  ("/" <rhs:ATOM_EXPR>) => { lhs / rhs });
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/util.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut err;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "caa15ba2b89bd590c4c9111b19e4944805df43e6cd9e7dc6b8ef1aa2e6235907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa15ba2b89bd590c4c9111b19e4944805df43e6cd9e7dc6b8ef1aa2e6235907", kill_on_drop: false }`
[INFO] [stdout] caa15ba2b89bd590c4c9111b19e4944805df43e6cd9e7dc6b8ef1aa2e6235907
