[INFO] cloning repository https://github.com/jzarnett/sudoku-verifier-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jzarnett/sudoku-verifier-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjzarnett%2Fsudoku-verifier-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjzarnett%2Fsudoku-verifier-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9889d88d28699d6a4d9f3eba56139f062203b3c0
[INFO] checking jzarnett/sudoku-verifier-rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjzarnett%2Fsudoku-verifier-rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jzarnett/sudoku-verifier-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jzarnett/sudoku-verifier-rust
[INFO] finished tweaking git repo https://github.com/jzarnett/sudoku-verifier-rust
[INFO] tweaked toml for git repo https://github.com/jzarnett/sudoku-verifier-rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jzarnett/sudoku-verifier-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e59729f2bbc51ba16f357aa9bacdadff480f016dfe9a82b6045942b4eaeeccf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e59729f2bbc51ba16f357aa9bacdadff480f016dfe9a82b6045942b4eaeeccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e59729f2bbc51ba16f357aa9bacdadff480f016dfe9a82b6045942b4eaeeccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e59729f2bbc51ba16f357aa9bacdadff480f016dfe9a82b6045942b4eaeeccf", kill_on_drop: false }`
[INFO] [stdout] 0e59729f2bbc51ba16f357aa9bacdadff480f016dfe9a82b6045942b4eaeeccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d4bec74cd6b29dabeeaebf2ca4940a03bea661fbbe46c5e6ddbf13cd2dfa411
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d4bec74cd6b29dabeeaebf2ca4940a03bea661fbbe46c5e6ddbf13cd2dfa411", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
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[INFO] [stderr]    Compiling devise_core v0.3.0 (https://github.com/SergioBenitez/Devise.git?rev=3648468#3648468a)
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
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[INFO] [stderr]    Compiling pear_codegen v0.2.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling devise_codegen v0.3.0 (https://github.com/SergioBenitez/Devise.git?rev=3648468#3648468a)
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling devise v0.3.0 (https://github.com/SergioBenitez/Devise.git?rev=3648468#3648468a)
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]    Compiling pear v0.2.0
[INFO] [stderr]    Compiling pin-project v1.0.4
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]     Checking tokio-util v0.6.2
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[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking ubyte v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-dev (https://github.com/SergioBenitez/Rocket#c24f15c1)
[INFO] [stderr]     Checking rocket_contrib v0.5.0-dev (https://github.com/SergioBenitez/Rocket#c24f15c1)
[INFO] [stderr]     Checking sudoku-verifier-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | /     rocket::ignite()
[INFO] [stdout] 77 | |         .mount("/", routes![verify_sudoku])
[INFO] [stdout] 78 | |         .launch()
[INFO] [stdout] 79 | |         .await;
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | /     rocket::ignite()
[INFO] [stdout] 77 | |         .mount("/", routes![verify_sudoku])
[INFO] [stdout] 78 | |         .launch()
[INFO] [stdout] 79 | |         .await;
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 45s
[INFO] running `Command { std: "docker" "inspect" "2d4bec74cd6b29dabeeaebf2ca4940a03bea661fbbe46c5e6ddbf13cd2dfa411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4bec74cd6b29dabeeaebf2ca4940a03bea661fbbe46c5e6ddbf13cd2dfa411", kill_on_drop: false }`
[INFO] [stdout] 2d4bec74cd6b29dabeeaebf2ca4940a03bea661fbbe46c5e6ddbf13cd2dfa411