[INFO] fetching crate earley 0.1.0...
[INFO] testing earley-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate earley 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate earley 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate earley 0.1.0
[INFO] finished tweaking crates.io crate earley 0.1.0
[INFO] tweaked toml for crates.io crate earley 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 211bd02dbf6632f20e775d8ab2cd4bba304c649f2df6a26f82af14558d4678ad
[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" "211bd02dbf6632f20e775d8ab2cd4bba304c649f2df6a26f82af14558d4678ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211bd02dbf6632f20e775d8ab2cd4bba304c649f2df6a26f82af14558d4678ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211bd02dbf6632f20e775d8ab2cd4bba304c649f2df6a26f82af14558d4678ad", kill_on_drop: false }`
[INFO] [stdout] 211bd02dbf6632f20e775d8ab2cd4bba304c649f2df6a26f82af14558d4678ad
[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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d186217eac518a3e7cff0204aca30063bc6efb42078aaa3a45004958d5092820
[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" "d186217eac518a3e7cff0204aca30063bc6efb42078aaa3a45004958d5092820", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling earley v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/item_table.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             try!(format!("{:=^80}\n", format!(" {} ", index)).fmt(f));
[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/item_table.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 try!(format!("{:<60} {:?}\n", item, item.get_operation()).fmt(f));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/production.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a, T> PartialEq for &'a Production<T> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/production.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'a, T> Eq for &'a Production<T> {}
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/grammar/rule.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     productions: Vec<Box<Production<T>>>,
[INFO] [stdout]   |                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/rule.rs:11:57
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(name: &'static str, productions: Vec<Box<Production<T>>>) -> Rule<T> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/rule.rs:23:44
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn get_productions(&self) -> &[Box<Production<T>>] {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/mod.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(productions: Vec<Box<Production<T>>>) -> Grammar<T> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/mod.rs:47:58
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn productions_for_starting_rule(&self) -> &[Box<Production<T>>] {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/mod.rs:51:56
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn productions_for(&self, name: &str) -> &[Box<Production<T>>] {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/item.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     production: &'a Production<T>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/item.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn predict(production: &'a Production<T>, start: usize) -> Item<'a, T> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/item_table.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |         if let Some(mut items) = self.table.get_mut(index) {
[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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "d186217eac518a3e7cff0204aca30063bc6efb42078aaa3a45004958d5092820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d186217eac518a3e7cff0204aca30063bc6efb42078aaa3a45004958d5092820", kill_on_drop: false }`
[INFO] [stdout] d186217eac518a3e7cff0204aca30063bc6efb42078aaa3a45004958d5092820
[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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 129df2bdda782f5a7ce8efb92fc44ee3ae296555a4d93a60c88d952866bb77c7
[INFO] running `Command { std: "docker" "start" "-a" "129df2bdda782f5a7ce8efb92fc44ee3ae296555a4d93a60c88d952866bb77c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/item_table.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             try!(format!("{:=^80}\n", format!(" {} ", index)).fmt(f));
[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/item_table.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 try!(format!("{:<60} {:?}\n", item, item.get_operation()).fmt(f));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/production.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a, T> PartialEq for &'a Production<T> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/production.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'a, T> Eq for &'a Production<T> {}
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/grammar/rule.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     productions: Vec<Box<Production<T>>>,
[INFO] [stdout]   |                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/rule.rs:11:57
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(name: &'static str, productions: Vec<Box<Production<T>>>) -> Rule<T> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/rule.rs:23:44
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn get_productions(&self) -> &[Box<Production<T>>] {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/mod.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(productions: Vec<Box<Production<T>>>) -> Grammar<T> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/mod.rs:47:58
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn productions_for_starting_rule(&self) -> &[Box<Production<T>>] {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/mod.rs:51:56
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn productions_for(&self, name: &str) -> &[Box<Production<T>>] {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/item.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     production: &'a Production<T>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/item.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn predict(production: &'a Production<T>, start: usize) -> Item<'a, T> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/item_table.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |         if let Some(mut items) = self.table.get_mut(index) {
[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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling earley v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/rules.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/rules.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let productions: Vec<Box<Production<u32>>> = vec![
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<u32>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/basic.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/nullability.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/nullability.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let productions: Vec<Box<Production<u32>>> = vec![
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<u32>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/empty_rules.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/empty_rules.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let productions: Vec<Box<Production<String>>> = vec![
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<String>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/basic.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/basic.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let productions: Vec<Box<Production<u32>>> = vec![
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<u32>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/item_table.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             try!(format!("{:=^80}\n", format!(" {} ", index)).fmt(f));
[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/item_table.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 try!(format!("{:<60} {:?}\n", item, item.get_operation()).fmt(f));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/production.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a, T> PartialEq for &'a Production<T> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/production.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'a, T> Eq for &'a Production<T> {}
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/grammar/rule.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     productions: Vec<Box<Production<T>>>,
[INFO] [stdout]   |                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/rule.rs:11:57
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(name: &'static str, productions: Vec<Box<Production<T>>>) -> Rule<T> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/rule.rs:23:44
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn get_productions(&self) -> &[Box<Production<T>>] {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/mod.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(productions: Vec<Box<Production<T>>>) -> Grammar<T> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/mod.rs:47:58
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn productions_for_starting_rule(&self) -> &[Box<Production<T>>] {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar/mod.rs:51:56
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn productions_for(&self, name: &str) -> &[Box<Production<T>>] {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/item.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     production: &'a Production<T>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/item.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn predict(production: &'a Production<T>, start: usize) -> Item<'a, T> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Production<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for unit type `()` in the current scope
[INFO] [stdout]  --> examples/basic.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     env_logger::init().unwrap();
[INFO] [stdout]   |                        ^^^^^^ method not found in `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `earley`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/item_table.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |         if let Some(mut items) = self.table.get_mut(index) {
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "129df2bdda782f5a7ce8efb92fc44ee3ae296555a4d93a60c88d952866bb77c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129df2bdda782f5a7ce8efb92fc44ee3ae296555a4d93a60c88d952866bb77c7", kill_on_drop: false }`
[INFO] [stdout] 129df2bdda782f5a7ce8efb92fc44ee3ae296555a4d93a60c88d952866bb77c7