[INFO] fetching crate contractions 0.5.4...
[INFO] testing contractions-0.5.4 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate contractions 0.5.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate contractions 0.5.4
[INFO] finished tweaking crates.io crate contractions 0.5.4
[INFO] tweaked toml for crates.io crate contractions 0.5.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate contractions 0.5.4 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate contractions 0.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7c3b07a0d2f9d40453c32a32d07248fc937dd081af513c498453a43d59a766a
[INFO] running `Command { std: "docker" "start" "-a" "f7c3b07a0d2f9d40453c32a32d07248fc937dd081af513c498453a43d59a766a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7c3b07a0d2f9d40453c32a32d07248fc937dd081af513c498453a43d59a766a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c3b07a0d2f9d40453c32a32d07248fc937dd081af513c498453a43d59a766a", kill_on_drop: false }`
[INFO] [stdout] f7c3b07a0d2f9d40453c32a32d07248fc937dd081af513c498453a43d59a766a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7514f271940eb537722993697ae9c04679313c0f5ac3524ff614e1ff46a9d511
[INFO] running `Command { std: "docker" "start" "-a" "7514f271940eb537722993697ae9c04679313c0f5ac3524ff614e1ff46a9d511", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde_test v1.0.126
[INFO] [stderr]    Compiling serde_regex v1.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling contractions v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: serde_test v1.0.126
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7514f271940eb537722993697ae9c04679313c0f5ac3524ff614e1ff46a9d511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7514f271940eb537722993697ae9c04679313c0f5ac3524ff614e1ff46a9d511", kill_on_drop: false }`
[INFO] [stdout] 7514f271940eb537722993697ae9c04679313c0f5ac3524ff614e1ff46a9d511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a597b093bfc0de3202059e06e5132adc15e8f3e38e96ac7dd3c507613338c67
[INFO] running `Command { std: "docker" "start" "-a" "6a597b093bfc0de3202059e06e5132adc15e8f3e38e96ac7dd3c507613338c67", kill_on_drop: false }`
[INFO] [stderr]    Compiling contractions v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> tests/tests.rs:201:24
[INFO] [stdout]     |
[INFO] [stdout] 201 |     replace.insert(find.clone(), "I am");
[INFO] [stdout]     |                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: serde_test v1.0.126
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6a597b093bfc0de3202059e06e5132adc15e8f3e38e96ac7dd3c507613338c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a597b093bfc0de3202059e06e5132adc15e8f3e38e96ac7dd3c507613338c67", kill_on_drop: false }`
[INFO] [stdout] 6a597b093bfc0de3202059e06e5132adc15e8f3e38e96ac7dd3c507613338c67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 106c1906c10c6a4d9074deae0ca2cb475d1c7c6fc1c815c60963c63bfe78cb41
[INFO] running `Command { std: "docker" "start" "-a" "106c1906c10c6a4d9074deae0ca2cb475d1c7c6fc1c815c60963c63bfe78cb41", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> tests/tests.rs:201:24
[INFO] [stderr]     |
[INFO] [stderr] 201 |     replace.insert(find.clone(), "I am");
[INFO] [stderr]     |                        ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `contractions` (test "tests") generated 1 warning (run `cargo fix --test "tests" -p contractions` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: serde_test v1.0.126
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/contractions-46e760db384153b5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-80bbb3e67c0673d5)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test add ... ok
[INFO] [stdout] test apply__new ... ok
[INFO] [stdout] test from_json__by_hand ... ok
[INFO] [stdout] test partials ... ok
[INFO] [stdout] test from_json__from_file ... ok
[INFO] [stdout] test add_from_json__from_file ... ok
[INFO] [stdout] test remove ... ok
[INFO] [stdout] test remove__keep_others ... ok
[INFO] [stdout] test apply__double_apostroph_are ... ok
[INFO] [stdout] test apply__single_apostroph ... ok
[INFO] [stdout] test apply__do_not_replace_partials_where_not_intended ... ok
[INFO] [stdout] test apply__capitalization ... ok
[INFO] [stdout] test apply__double_apostroph_will_have ... ok
[INFO] [stdout] test apply__dont_replace_possessives ... ok
[INFO] [stdout] test apply__grave_accent ... ok
[INFO] [stdout] test apply__multiple_terms ... ok
[INFO] [stdout] test apply__slang ... ok
[INFO] [stdout] test apply__double_apostroph ... ok
[INFO] [stdout] test apply__single_quotation_mark ... ok
[INFO] [stdout] test apply__double_apostroph_would_have ... ok
[INFO] [stdout] test apply__period_after_contraction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests contractions
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - Contractions::remove (line 196) ... FAILED
[INFO] [stdout] test src/lib.rs - Contractions::add_from_json (line 173) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 16) ... FAILED
[INFO] [stdout] test src/lib.rs - Contractions::from_json (line 155) ... FAILED
[INFO] [stdout] test src/lib.rs - Contractions::new (line 138) ... ok
[INFO] [stdout] test src/lib.rs - Contractions::default (line 122) ... ok
[INFO] [stdout] test src/lib.rs - Contractions::add (line 212) ... ok
[INFO] [stdout] test src/lib.rs - Contractions::apply (line 248) ... ok
[INFO] [stdout] test src/lib.rs - Contractions (line 108) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Contractions::remove (line 196) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `SINGLE_CONTRACTIONS_JSON` in crate `contractions`
[INFO] [stdout]    --> src/lib.rs:201:42
[INFO] [stdout]     |
[INFO] [stdout] 201 | contractions.add_from_json(contractions::SINGLE_CONTRACTIONS_JSON);
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:44:1
[INFO] [stdout]     |
[INFO] [stdout]  44 | pub const EXPAND_SINGLE_CONTRACTIONS_JSON :&str =
[INFO] [stdout]     | ----------------------------------------------- similarly named constant `EXPAND_SINGLE_CONTRACTIONS_JSON` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a constant with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 201 | contractions.add_from_json(contractions::EXPAND_SINGLE_CONTRACTIONS_JSON);
[INFO] [stdout]     |                                          +++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Contractions::add_from_json (line 173) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `SINGLE_CONTRACTIONS_JSON` in crate `contractions`
[INFO] [stdout]    --> src/lib.rs:177:42
[INFO] [stdout]     |
[INFO] [stdout] 177 | contractions.add_from_json(contractions::SINGLE_CONTRACTIONS_JSON);
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:44:1
[INFO] [stdout]     |
[INFO] [stdout]  44 | pub const EXPAND_SINGLE_CONTRACTIONS_JSON :&str =
[INFO] [stdout]     | ----------------------------------------------- similarly named constant `EXPAND_SINGLE_CONTRACTIONS_JSON` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a constant with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 177 | contractions.add_from_json(contractions::EXPAND_SINGLE_CONTRACTIONS_JSON);
[INFO] [stdout]     |                                          +++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 16) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Contractions`
[INFO] [stdout]   --> src/lib.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 | let mut contractions = Contractions::new();
[INFO] [stdout]    |                        ^^^^^^^^^^^^ use of undeclared type `Contractions`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 15 + use contractions::Contractions;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `SINGLE_CONTRACTIONS_JSON` in crate `contractions`
[INFO] [stdout]   --> src/lib.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 | contractions.add_from_json(contractions::SINGLE_CONTRACTIONS_JSON);
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const EXPAND_SINGLE_CONTRACTIONS_JSON :&str =
[INFO] [stdout]    | ----------------------------------------------- similarly named constant `EXPAND_SINGLE_CONTRACTIONS_JSON` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a constant with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 19 | contractions.add_from_json(contractions::EXPAND_SINGLE_CONTRACTIONS_JSON);
[INFO] [stdout]    |                                          +++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Contractions::from_json (line 155) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `SINGLE_CONTRACTIONS_JSON` in crate `contractions`
[INFO] [stdout]    --> src/lib.rs:158:60
[INFO] [stdout]     |
[INFO] [stdout] 158 | let contractions = Contractions::from_json(&[contractions::SINGLE_CONTRACTIONS_JSON, contractions::SINGLE_NO_APOSTROPHE_CONTRACTION...
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:44:1
[INFO] [stdout]     |
[INFO] [stdout]  44 | pub const EXPAND_SINGLE_CONTRACTIONS_JSON :&str =
[INFO] [stdout]     | ----------------------------------------------- similarly named constant `EXPAND_SINGLE_CONTRACTIONS_JSON` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a constant with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 158 | let contractions = Contractions::from_json(&[contractions::EXPAND_SINGLE_CONTRACTIONS_JSON, contractions::SINGLE_NO_APOSTROPHE_CONTRACTIONS_JSON]);
[INFO] [stdout]     |                                                            +++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `SINGLE_NO_APOSTROPHE_CONTRACTIONS_JSON` in crate `contractions`
[INFO] [stdout]    --> src/lib.rs:158:100
[INFO] [stdout]     |
[INFO] [stdout] 158 | ...ons::SINGLE_CONTRACTIONS_JSON, contractions::SINGLE_NO_APOSTROPHE_CONTRACTIONS_JSON]);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:53:1
[INFO] [stdout]     |
[INFO] [stdout]  53 | pub const EXPAND_SINGLE_NO_APOSTROPHE_CONTRACTIONS_JSON :&str =
[INFO] [stdout]     | ------------------------------------------------------------- similarly named constant `EXPAND_SINGLE_NO_APOSTROPHE_CONTRACTIONS_JSON` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a constant with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 158 | let contractions = Contractions::from_json(&[contractions::SINGLE_CONTRACTIONS_JSON, contractions::EXPAND_SINGLE_NO_APOSTROPHE_CONTRACTIONS_JSON]);
[INFO] [stdout]     |                                                                                                    +++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 16)
[INFO] [stdout]     src/lib.rs - Contractions::add_from_json (line 173)
[INFO] [stdout]     src/lib.rs - Contractions::from_json (line 155)
[INFO] [stdout]     src/lib.rs - Contractions::remove (line 196)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.74s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "106c1906c10c6a4d9074deae0ca2cb475d1c7c6fc1c815c60963c63bfe78cb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106c1906c10c6a4d9074deae0ca2cb475d1c7c6fc1c815c60963c63bfe78cb41", kill_on_drop: false }`
[INFO] [stdout] 106c1906c10c6a4d9074deae0ca2cb475d1c7c6fc1c815c60963c63bfe78cb41
