[INFO] fetching crate fasttext 0.7.8...
[INFO] testing fasttext-0.7.8 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate fasttext 0.7.8 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate fasttext 0.7.8
[INFO] finished tweaking crates.io crate fasttext 0.7.8
[INFO] tweaked toml for crates.io crate fasttext 0.7.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fasttext 0.7.8 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfasttext-sys v0.7.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5900fe5458423df005622a648a7555c674fdcec8286d71f10d86e17b354932be
[INFO] running `Command { std: "docker" "start" "-a" "5900fe5458423df005622a648a7555c674fdcec8286d71f10d86e17b354932be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5900fe5458423df005622a648a7555c674fdcec8286d71f10d86e17b354932be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5900fe5458423df005622a648a7555c674fdcec8286d71f10d86e17b354932be", kill_on_drop: false }`
[INFO] [stdout] 5900fe5458423df005622a648a7555c674fdcec8286d71f10d86e17b354932be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9388d99bd21379d40b191fb6e2366a928f38750a3f3e1fe1ca95a10001a40b91
[INFO] running `Command { std: "docker" "start" "-a" "9388d99bd21379d40b191fb6e2366a928f38750a3f3e1fe1ca95a10001a40b91", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfasttext-sys v0.7.8
[INFO] [stderr]    Compiling fasttext v0.7.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:131:18
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn input(&self) -> Cow<str> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn input(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn output(&self) -> Cow<str> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn output(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:303:18
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn label(&self) -> Cow<str> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn label(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:366:31
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn pretrained_vectors(&self) -> Cow<str> {
[INFO] [stdout]     |                               ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn pretrained_vectors(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn autotune_validation_file(&self) -> Cow<str> {
[INFO] [stdout]     |                                     ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn autotune_validation_file(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:400:34
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn autotune_metric_label(&self) -> Cow<str> {
[INFO] [stdout]     |                                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn autotune_metric_label(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.78s
[INFO] running `Command { std: "docker" "inspect" "9388d99bd21379d40b191fb6e2366a928f38750a3f3e1fe1ca95a10001a40b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9388d99bd21379d40b191fb6e2366a928f38750a3f3e1fe1ca95a10001a40b91", kill_on_drop: false }`
[INFO] [stdout] 9388d99bd21379d40b191fb6e2366a928f38750a3f3e1fe1ca95a10001a40b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43a445efc9e33ab1f1e77e63aeebd4cbb867b654607f7247bded48e8d68cdd50
[INFO] running `Command { std: "docker" "start" "-a" "43a445efc9e33ab1f1e77e63aeebd4cbb867b654607f7247bded48e8d68cdd50", kill_on_drop: false }`
[INFO] [stderr]    Compiling fasttext v0.7.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:131:18
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn input(&self) -> Cow<str> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn input(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn output(&self) -> Cow<str> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn output(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:303:18
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn label(&self) -> Cow<str> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn label(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:366:31
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn pretrained_vectors(&self) -> Cow<str> {
[INFO] [stdout]     |                               ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn pretrained_vectors(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn autotune_validation_file(&self) -> Cow<str> {
[INFO] [stdout]     |                                     ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn autotune_validation_file(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:400:34
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn autotune_metric_label(&self) -> Cow<str> {
[INFO] [stdout]     |                                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn autotune_metric_label(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:131:18
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn input(&self) -> Cow<str> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn input(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn output(&self) -> Cow<str> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn output(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:303:18
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn label(&self) -> Cow<str> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn label(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:366:31
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn pretrained_vectors(&self) -> Cow<str> {
[INFO] [stdout]     |                               ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn pretrained_vectors(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn autotune_validation_file(&self) -> Cow<str> {
[INFO] [stdout]     |                                     ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn autotune_validation_file(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:400:34
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn autotune_metric_label(&self) -> Cow<str> {
[INFO] [stdout]     |                                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn autotune_metric_label(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "43a445efc9e33ab1f1e77e63aeebd4cbb867b654607f7247bded48e8d68cdd50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a445efc9e33ab1f1e77e63aeebd4cbb867b654607f7247bded48e8d68cdd50", kill_on_drop: false }`
[INFO] [stdout] 43a445efc9e33ab1f1e77e63aeebd4cbb867b654607f7247bded48e8d68cdd50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c73365134df67cccb0004d180a6c17a07f1a84acbe643c1e476c527b1375c206
[INFO] running `Command { std: "docker" "start" "-a" "c73365134df67cccb0004d180a6c17a07f1a84acbe643c1e476c527b1375c206", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:131:18
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn input(&self) -> Cow<str> {
[INFO] [stderr]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn input(&self) -> Cow<'_, str> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:146:19
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn output(&self) -> Cow<str> {
[INFO] [stderr]     |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn output(&self) -> Cow<'_, str> {
[INFO] [stderr]     |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:303:18
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub fn label(&self) -> Cow<str> {
[INFO] [stderr]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub fn label(&self) -> Cow<'_, str> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:366:31
[INFO] [stderr]     |
[INFO] [stderr] 366 |     pub fn pretrained_vectors(&self) -> Cow<str> {
[INFO] [stderr]     |                               ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 366 |     pub fn pretrained_vectors(&self) -> Cow<'_, str> {
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:381:37
[INFO] [stderr]     |
[INFO] [stderr] 381 |     pub fn autotune_validation_file(&self) -> Cow<str> {
[INFO] [stderr]     |                                     ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 381 |     pub fn autotune_validation_file(&self) -> Cow<'_, str> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:400:34
[INFO] [stderr]     |
[INFO] [stderr] 400 |     pub fn autotune_metric_label(&self) -> Cow<str> {
[INFO] [stderr]     |                                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                  |
[INFO] [stderr]     |                                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 400 |     pub fn autotune_metric_label(&self) -> Cow<'_, str> {
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `fasttext` (lib) generated 6 warnings (run `cargo fix --lib -p fasttext` to apply 6 suggestions)
[INFO] [stderr] warning: `fasttext` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fasttext-6ba135982b3c7bf2)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test tests::test_args_cutoff ... ok
[INFO] [stdout] test tests::test_args_dim ... ok
[INFO] [stdout] test tests::test_args_lr_update_rate ... ok
[INFO] [stdout] test tests::test_args_min_count ... ok
[INFO] [stdout] test tests::test_args_minn ... ok
[INFO] [stdout] test tests::test_args_model ... ok
[INFO] [stdout] test tests::test_args_new_default ... ok
[INFO] [stdout] test tests::test_args_output ... ok
[INFO] [stdout] test tests::test_args_qnorm ... ok
[INFO] [stdout] test tests::test_args_qout ... ok
[INFO] [stdout] test tests::test_args_retrain ... ok
[INFO] [stdout] test tests::test_args_t ... ok
[INFO] [stdout] test tests::test_args_save_output ... ok
[INFO] [stdout] test tests::test_args_word_ngrams ... ok
[INFO] [stdout] test tests::test_args_verbose ... ok
[INFO] [stdout] test tests::test_args_dsub ... ok
[INFO] [stdout] test tests::test_args_epoch ... ok
[INFO] [stdout] test tests::test_args_loss ... ok
[INFO] [stdout] test tests::test_fasttext_new_default ... ok
[INFO] [stdout] test tests::test_args_neg ... ok
[INFO] [stdout] test tests::test_args_bucket ... ok
[INFO] [stdout] test tests::test_args_lr ... ok
[INFO] [stdout] test tests::test_args_thread ... ok
[INFO] [stdout] test tests::test_args_ws ... ok
[INFO] [stdout] test tests::test_args_label ... ok
[INFO] [stdout] test tests::test_fasttext_tokenize_nullbyte ... ok
[INFO] [stdout] test tests::test_args_input ... ok
[INFO] [stdout] test tests::test_args_min_count_label ... ok
[INFO] [stdout] test tests::test_fasttext_tokenize ... ok
[INFO] [stdout] test tests::test_args_maxn ... ok
[INFO] [stdout] test tests::test_fasttext_get_sentence_vector_nullbyte ... ok
[INFO] [stdout] test tests::test_fasttext_get_word_vector ... ok
[INFO] [stderr]      Running tests/test_fasttest.rs (/opt/rustwide/target/debug/deps/test_fasttest-e4357f29cc8192c4)
[INFO] [stdout] test tests::test_fasttext_get_sentence_vector ... ok
[INFO] [stdout] test tests::test_fasttext_get_word_vector_nullbyte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_fasttext_load_invalid_model ... ok
[INFO] [stdout] test test_fasttext_get_args ... ok
[INFO] [stdout] test test_fasttext_get_labels ... ok
[INFO] [stdout] test test_fasttext_predict_on_words ... ok
[INFO] [stdout] test test_fasttext_load_model ... ok
[INFO] [stdout] test test_fasttext_is_quant ... ok
[INFO] [stdout] test test_fasttext_predict ... ok
[INFO] [stdout] test test_fasttext_get_vocab ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fasttext
[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] running `Command { std: "docker" "inspect" "c73365134df67cccb0004d180a6c17a07f1a84acbe643c1e476c527b1375c206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73365134df67cccb0004d180a6c17a07f1a84acbe643c1e476c527b1375c206", kill_on_drop: false }`
[INFO] [stdout] c73365134df67cccb0004d180a6c17a07f1a84acbe643c1e476c527b1375c206
