[INFO] fetching crate dictcc 0.1.1...
[INFO] testing dictcc-0.1.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate dictcc 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dictcc 0.1.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dictcc 0.1.1
[INFO] finished tweaking crates.io crate dictcc 0.1.1
[INFO] tweaked toml for crates.io crate dictcc 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.1.7
[INFO] [stderr]   Downloaded simplelog v0.5.3
[INFO] [stderr]   Downloaded structopt-derive v0.1.6
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded pager v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1f4812e4e39fa7bb806f5022633f9919c7ef057e9e919eda0f6a2cadd0d96df
[INFO] running `Command { std: "docker" "start" "-a" "f1f4812e4e39fa7bb806f5022633f9919c7ef057e9e919eda0f6a2cadd0d96df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1f4812e4e39fa7bb806f5022633f9919c7ef057e9e919eda0f6a2cadd0d96df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f4812e4e39fa7bb806f5022633f9919c7ef057e9e919eda0f6a2cadd0d96df", kill_on_drop: false }`
[INFO] [stdout] f1f4812e4e39fa7bb806f5022633f9919c7ef057e9e919eda0f6a2cadd0d96df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0eb70d86dac1759cf53ff00e2163e910fe625737af76b8ff9498fd21d8d4015
[INFO] running `Command { std: "docker" "start" "-a" "c0eb70d86dac1759cf53ff00e2163e910fe625737af76b8ff9498fd21d8d4015", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.27.2
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling csv v1.2.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling pager v0.14.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling dictcc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/parse/word_ast.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::string::ToString;
[INFO] [stdout]    |     --------------------- the item `ToString` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 32 |         use std::string::ToString;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prettytable` is imported redundantly
[INFO] [stdout]    --> src/dict/grouped.rs:258:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |         use prettytable;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout] 19  | extern crate prettytable;
[INFO] [stdout]     | ------------------------- the item `prettytable` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `failure::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/dict/mod.rs:593:20
[INFO] [stdout]     |
[INFO] [stdout] 593 |         Ok(match s.trim_right_matches('.') {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 593 |         Ok(match s.trim_end_matches('.') {
[INFO] [stdout]     |                    ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `failure::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/dict/mod.rs:635:20
[INFO] [stdout]     |
[INFO] [stdout] 635 |         Ok(match s.trim_right_matches('.') {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 635 |         Ok(match s.trim_end_matches('.') {
[INFO] [stdout]     |                    ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.34s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c0eb70d86dac1759cf53ff00e2163e910fe625737af76b8ff9498fd21d8d4015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0eb70d86dac1759cf53ff00e2163e910fe625737af76b8ff9498fd21d8d4015", kill_on_drop: false }`
[INFO] [stdout] c0eb70d86dac1759cf53ff00e2163e910fe625737af76b8ff9498fd21d8d4015
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a92f33735f0bdc452f7105eee991d0c434899e5bb96a0b68f46f2ab5a46eed69
[INFO] running `Command { std: "docker" "start" "-a" "a92f33735f0bdc452f7105eee991d0c434899e5bb96a0b68f46f2ab5a46eed69", kill_on_drop: false }`
[INFO] [stderr]    Compiling dictcc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/parse/word_ast.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::string::ToString;
[INFO] [stdout]    |     --------------------- the item `ToString` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 32 |         use std::string::ToString;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prettytable` is imported redundantly
[INFO] [stdout]    --> src/dict/grouped.rs:258:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |         use prettytable;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout] 19  | extern crate prettytable;
[INFO] [stdout]     | ------------------------- the item `prettytable` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `failure::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/dict/mod.rs:593:20
[INFO] [stdout]     |
[INFO] [stdout] 593 |         Ok(match s.trim_right_matches('.') {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 593 |         Ok(match s.trim_end_matches('.') {
[INFO] [stdout]     |                    ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `failure::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/dict/mod.rs:635:20
[INFO] [stdout]     |
[INFO] [stdout] 635 |         Ok(match s.trim_right_matches('.') {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 635 |         Ok(match s.trim_end_matches('.') {
[INFO] [stdout]     |                    ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/parse/word_ast.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::string::ToString;
[INFO] [stdout]    |     --------------------- the item `ToString` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 32 |         use std::string::ToString;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prettytable` is imported redundantly
[INFO] [stdout]    --> src/dict/grouped.rs:258:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |         use prettytable;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout] 19  | extern crate prettytable;
[INFO] [stdout]     | ------------------------- the item `prettytable` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `failure::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/dict/mod.rs:593:20
[INFO] [stdout]     |
[INFO] [stdout] 593 |         Ok(match s.trim_right_matches('.') {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 593 |         Ok(match s.trim_end_matches('.') {
[INFO] [stdout]     |                    ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `failure::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/dict/mod.rs:635:20
[INFO] [stdout]     |
[INFO] [stdout] 635 |         Ok(match s.trim_right_matches('.') {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 635 |         Ok(match s.trim_end_matches('.') {
[INFO] [stdout]     |                    ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a92f33735f0bdc452f7105eee991d0c434899e5bb96a0b68f46f2ab5a46eed69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92f33735f0bdc452f7105eee991d0c434899e5bb96a0b68f46f2ab5a46eed69", kill_on_drop: false }`
[INFO] [stdout] a92f33735f0bdc452f7105eee991d0c434899e5bb96a0b68f46f2ab5a46eed69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a659ca78c639eb140b80febdd4f18698b16f8d422371ac54d499d64955d4052a
[INFO] running `Command { std: "docker" "start" "-a" "a659ca78c639eb140b80febdd4f18698b16f8d422371ac54d499d64955d4052a", kill_on_drop: false }`
[INFO] [stderr] warning: the item `ToString` is imported redundantly
[INFO] [stderr]   --> src/parse/word_ast.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::string::ToString;
[INFO] [stderr]    |     --------------------- the item `ToString` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 32 |         use std::string::ToString;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `prettytable` is imported redundantly
[INFO] [stderr]    --> src/dict/grouped.rs:258:13
[INFO] [stderr]     |
[INFO] [stderr] 258 |         use prettytable;
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:19:1
[INFO] [stderr]     |
[INFO] [stderr] 19  | extern crate prettytable;
[INFO] [stderr]     | ------------------------- the item `prettytable` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `failure::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stderr]    --> src/dict/mod.rs:593:20
[INFO] [stderr]     |
[INFO] [stderr] 593 |         Ok(match s.trim_right_matches('.') {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]     |
[INFO] [stderr] 593 |         Ok(match s.trim_end_matches('.') {
[INFO] [stderr]     |                    ~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `failure::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stderr]    --> src/dict/mod.rs:635:20
[INFO] [stderr]     |
[INFO] [stderr] 635 |         Ok(match s.trim_right_matches('.') {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]     |
[INFO] [stderr] 635 |         Ok(match s.trim_end_matches('.') {
[INFO] [stderr]     |                    ~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: `dictcc` (lib) generated 4 warnings (run `cargo fix --lib -p dictcc` to apply 2 suggestions)
[INFO] [stderr] warning: `dictcc` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dictcc-fa78fcbf10320845)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test parse::word_ast::tests::test_angle_br ... ok
[INFO] [stdout] test parse::word_ast::tests::test_round_br ... ok
[INFO] [stdout] test parse::word_ast::tests::test_square_br ... ok
[INFO] [stdout] test parse::word_ast::tests::test_word_node_display ... ok
[INFO] [stdout] test parse::word_ast::tests::test_curly_br ... ok
[INFO] [stdout] test parse::word_ast::tests::test_csv ... ok
[INFO] [stdout] test parse::word_ast::tests::test_entry_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dictcc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/dict/grouped.rs - dict::grouped (line 11) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a659ca78c639eb140b80febdd4f18698b16f8d422371ac54d499d64955d4052a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a659ca78c639eb140b80febdd4f18698b16f8d422371ac54d499d64955d4052a", kill_on_drop: false }`
[INFO] [stdout] a659ca78c639eb140b80febdd4f18698b16f8d422371ac54d499d64955d4052a
