[INFO] cloning repository https://github.com/modeverv/RustMoji100_201912
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modeverv/RustMoji100_201912" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FRustMoji100_201912", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FRustMoji100_201912'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6669fa8dddae662aca1ba6ebacb94a44b2e97a9
[INFO] checking modeverv/RustMoji100_201912 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FRustMoji100_201912" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/modeverv/RustMoji100_201912 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/modeverv/RustMoji100_201912
[INFO] finished tweaking git repo https://github.com/modeverv/RustMoji100_201912
[INFO] tweaked toml for git repo https://github.com/modeverv/RustMoji100_201912 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/modeverv/RustMoji100_201912 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 881a81afe3b8fc245d13532d4c9f5cd230fa40d2d639eb3576d92f303ca50312
[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" "881a81afe3b8fc245d13532d4c9f5cd230fa40d2d639eb3576d92f303ca50312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "881a81afe3b8fc245d13532d4c9f5cd230fa40d2d639eb3576d92f303ca50312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881a81afe3b8fc245d13532d4c9f5cd230fa40d2d639eb3576d92f303ca50312", kill_on_drop: false }`
[INFO] [stdout] 881a81afe3b8fc245d13532d4c9f5cd230fa40d2d639eb3576d92f303ca50312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0b6c06e21852ad5b63d23f4300b4f51d51bb0b196297696391ea9eaa1d8e0c4
[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" "d0b6c06e21852ad5b63d23f4300b4f51d51bb0b196297696391ea9eaa1d8e0c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking mojiretsu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]    --> src/lib.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 | use serde::{Serialize, Deserialize};
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::StreamDeserializer`
[INFO] [stdout]    --> src/lib.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 | use serde_json::StreamDeserializer;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]    --> src/lib.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 | use serde::{Serialize, Deserialize};
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::StreamDeserializer`
[INFO] [stdout]    --> src/lib.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 | use serde_json::StreamDeserializer;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.68s
[INFO] running `Command { std: "docker" "inspect" "d0b6c06e21852ad5b63d23f4300b4f51d51bb0b196297696391ea9eaa1d8e0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b6c06e21852ad5b63d23f4300b4f51d51bb0b196297696391ea9eaa1d8e0c4", kill_on_drop: false }`
[INFO] [stdout] d0b6c06e21852ad5b63d23f4300b4f51d51bb0b196297696391ea9eaa1d8e0c4