[INFO] cloning repository https://github.com/toBeOfUse/ngrams
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toBeOfUse/ngrams" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtoBeOfUse%2Fngrams", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtoBeOfUse%2Fngrams'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e678f7971533b74bae74f72c2ce5c1a9b363eda2
[INFO] testing toBeOfUse/ngrams against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtoBeOfUse%2Fngrams" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/toBeOfUse/ngrams
[INFO] finished tweaking git repo https://github.com/toBeOfUse/ngrams
[INFO] tweaked toml for git repo https://github.com/toBeOfUse/ngrams written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/toBeOfUse/ngrams on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/toBeOfUse/ngrams 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2793ef931ba01f1c69615cfbc427df330334573eb63d6ab2633364e14d991bc2
[INFO] running `Command { std: "docker" "start" "-a" "2793ef931ba01f1c69615cfbc427df330334573eb63d6ab2633364e14d991bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2793ef931ba01f1c69615cfbc427df330334573eb63d6ab2633364e14d991bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2793ef931ba01f1c69615cfbc427df330334573eb63d6ab2633364e14d991bc2", kill_on_drop: false }`
[INFO] [stdout] 2793ef931ba01f1c69615cfbc427df330334573eb63d6ab2633364e14d991bc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d579b3645d0d29fd983ff5c8bce62a822f3e8082389287ee1a45d5829ea2332a
[INFO] running `Command { std: "docker" "start" "-a" "d579b3645d0d29fd983ff5c8bce62a822f3e8082389287ee1a45d5829ea2332a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ngrams v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/n_gram_string.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn grams<const L: usize>(&self) -> GramIterator<L>;
[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] 9 |     fn grams<const L: usize>(&self) -> GramIterator<'_, L>;
[INFO] [stdout]   |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/n_gram_string.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn grams<const L: usize>(&self) -> GramIterator<L> {
[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] 28 |     fn grams<const L: usize>(&self) -> GramIterator<'_, L> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "d579b3645d0d29fd983ff5c8bce62a822f3e8082389287ee1a45d5829ea2332a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d579b3645d0d29fd983ff5c8bce62a822f3e8082389287ee1a45d5829ea2332a", kill_on_drop: false }`
[INFO] [stdout] d579b3645d0d29fd983ff5c8bce62a822f3e8082389287ee1a45d5829ea2332a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82beffaa77e897bd1f31cc81f1291570c47fc4b7103d00dc33514b5ce435c158
[INFO] running `Command { std: "docker" "start" "-a" "82beffaa77e897bd1f31cc81f1291570c47fc4b7103d00dc33514b5ce435c158", kill_on_drop: false }`
[INFO] [stderr]    Compiling ngrams v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/n_gram_string.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn grams<const L: usize>(&self) -> GramIterator<L>;
[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] 9 |     fn grams<const L: usize>(&self) -> GramIterator<'_, L>;
[INFO] [stdout]   |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/n_gram_string.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn grams<const L: usize>(&self) -> GramIterator<L> {
[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] 28 |     fn grams<const L: usize>(&self) -> GramIterator<'_, L> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "82beffaa77e897bd1f31cc81f1291570c47fc4b7103d00dc33514b5ce435c158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82beffaa77e897bd1f31cc81f1291570c47fc4b7103d00dc33514b5ce435c158", kill_on_drop: false }`
[INFO] [stdout] 82beffaa77e897bd1f31cc81f1291570c47fc4b7103d00dc33514b5ce435c158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1c05d917de1b7544e894a444d66de0378026ef3e96668f3f9d9338ba39c7722
[INFO] running `Command { std: "docker" "start" "-a" "e1c05d917de1b7544e894a444d66de0378026ef3e96668f3f9d9338ba39c7722", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] 
[INFO] [stderr]  --> src/n_gram_string.rs:9:30
[INFO] [stdout] running 5 tests
[INFO] [stderr]   |
[INFO] [stdout] test n_gram_string::tests::bigrams ... ok
[INFO] [stderr] 9 |     fn grams<const L: usize>(&self) -> GramIterator<L>;
[INFO] [stdout] test n_gram_string::tests::one_char_trigram ... ok
[INFO] [stderr]   |                              ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] test n_gram_string::tests::quadgrams ... ok
[INFO] [stderr]   |                              |
[INFO] [stdout] test n_gram_string::tests::trigrams ... ok
[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] 9 |     fn grams<const L: usize>(&self) -> GramIterator<'_, L>;
[INFO] [stderr]   |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/n_gram_string.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn grams<const L: usize>(&self) -> GramIterator<L> {
[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] 28 |     fn grams<const L: usize>(&self) -> GramIterator<'_, L> {
[INFO] [stderr]    |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `ngrams` (bin "ngrams" test) generated 2 warnings (run `cargo fix --bin "ngrams" -p ngrams --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ngrams-b85dec2c3fcb9178)
[INFO] [stdout] test n_gram_string::tests::one_char_quadgram ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1c05d917de1b7544e894a444d66de0378026ef3e96668f3f9d9338ba39c7722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1c05d917de1b7544e894a444d66de0378026ef3e96668f3f9d9338ba39c7722", kill_on_drop: false }`
[INFO] [stdout] e1c05d917de1b7544e894a444d66de0378026ef3e96668f3f9d9338ba39c7722
