[INFO] cloning repository https://github.com/soaxelbrooke/phrase
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soaxelbrooke/phrase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoaxelbrooke%2Fphrase", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoaxelbrooke%2Fphrase'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bc2c383dfa3d38f5d7761af81a64d64675a1382
[INFO] checking soaxelbrooke/phrase against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoaxelbrooke%2Fphrase" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soaxelbrooke/phrase on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/soaxelbrooke/phrase
[INFO] finished tweaking git repo https://github.com/soaxelbrooke/phrase
[INFO] tweaked toml for git repo https://github.com/soaxelbrooke/phrase written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/soaxelbrooke/phrase 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbff1f9e2d690d606e339b95738d381cbde838814e0bcdb4a417753ed4849ebf
[INFO] running `Command { std: "docker" "start" "-a" "fbff1f9e2d690d606e339b95738d381cbde838814e0bcdb4a417753ed4849ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbff1f9e2d690d606e339b95738d381cbde838814e0bcdb4a417753ed4849ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbff1f9e2d690d606e339b95738d381cbde838814e0bcdb4a417753ed4849ebf", kill_on_drop: false }`
[INFO] [stdout] fbff1f9e2d690d606e339b95738d381cbde838814e0bcdb4a417753ed4849ebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32457a613b67ae61a9c8198417d6a14c9114fe4ea1ae125466a1c98f5c75b9dc
[INFO] running `Command { std: "docker" "start" "-a" "32457a613b67ae61a9c8198417d6a14c9114fe4ea1ae125466a1c98f5c75b9dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling memchr v2.3.3
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling slab v0.4.2
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[INFO] [stderr]    Compiling byteorder v1.3.4
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[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]     Checking inlinable_string v0.1.14
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling figment v0.10.6
[INFO] [stderr]    Compiling multer v2.0.1
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling state v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling either v1.5.3
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[INFO] [stderr]    Compiling async-trait v0.1.51
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[INFO] [stderr]     Checking crossbeam-queue v0.2.1
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[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling rocket v0.5.0-rc.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking remove_dir_all v0.5.3
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[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]     Checking csv-core v0.1.10
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[INFO] [stderr]     Checking nodrop v0.1.14
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[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling devise_core v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling pear_codegen v0.2.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling devise_codegen v0.3.1
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]     Checking pear v0.2.3
[INFO] [stderr]    Compiling devise v0.3.1
[INFO] [stderr]    Compiling hyper v0.14.15
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]    Compiling rocket_http v0.5.0-rc.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking ubyte v0.10.1
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.1
[INFO] [stderr]     Checking phrase v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:694:21
[INFO] [stdout]     |
[INFO] [stdout] 694 |                     ngrams[position].try_push_str(&delim);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 694 |                     let _ = ngrams[position].try_push_str(&delim);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/main.rs:1757:9
[INFO] [stdout]      |
[INFO] [stdout] 1757 | /         rocket::build()
[INFO] [stdout] 1758 | |             .mount("/", routes![api_list_labels, api_analyze, api_transform])
[INFO] [stdout] 1759 | |             .launch()
[INFO] [stdout] 1760 | |             .await;
[INFO] [stdout]      | |__________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1757 |         let _ = rocket::build()
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:694:21
[INFO] [stdout]     |
[INFO] [stdout] 694 |                     ngrams[position].try_push_str(&delim);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 694 |                     let _ = ngrams[position].try_push_str(&delim);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/main.rs:1757:9
[INFO] [stdout]      |
[INFO] [stdout] 1757 | /         rocket::build()
[INFO] [stdout] 1758 | |             .mount("/", routes![api_list_labels, api_analyze, api_transform])
[INFO] [stdout] 1759 | |             .launch()
[INFO] [stdout] 1760 | |             .await;
[INFO] [stdout]      | |__________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1757 |         let _ = rocket::build()
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: ubyte v0.10.1
[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" "32457a613b67ae61a9c8198417d6a14c9114fe4ea1ae125466a1c98f5c75b9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32457a613b67ae61a9c8198417d6a14c9114fe4ea1ae125466a1c98f5c75b9dc", kill_on_drop: false }`
[INFO] [stdout] 32457a613b67ae61a9c8198417d6a14c9114fe4ea1ae125466a1c98f5c75b9dc