[INFO] cloning repository https://github.com/TheCactusBlue/ace_language_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheCactusBlue/ace_language_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheCactusBlue%2Face_language_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheCactusBlue%2Face_language_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f9e62eb62201d599b74d2e357c38c8dec325288
[INFO] checking TheCactusBlue/ace_language_test against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheCactusBlue%2Face_language_test" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheCactusBlue/ace_language_test 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/TheCactusBlue/ace_language_test
[INFO] finished tweaking git repo https://github.com/TheCactusBlue/ace_language_test
[INFO] tweaked toml for git repo https://github.com/TheCactusBlue/ace_language_test written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/TheCactusBlue/ace_language_test 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 609b28564a5b2c7d72c495646849f22920131282ba2a67f9db1743fce38be0e0
[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" "609b28564a5b2c7d72c495646849f22920131282ba2a67f9db1743fce38be0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "609b28564a5b2c7d72c495646849f22920131282ba2a67f9db1743fce38be0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609b28564a5b2c7d72c495646849f22920131282ba2a67f9db1743fce38be0e0", kill_on_drop: false }`
[INFO] [stdout] 609b28564a5b2c7d72c495646849f22920131282ba2a67f9db1743fce38be0e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6925dccebc30a7e60a841d6bc33fa4c327abd0cbae38ee5bb4f95d53abab5327
[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" "6925dccebc30a7e60a841d6bc33fa4c327abd0cbae38ee5bb4f95d53abab5327", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking ace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `alter`, `concat`, `map`
[INFO] [stdout]  --> src/parser/macros.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::combinator::{alter, concat, map};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `alter`, `concat`, `map`
[INFO] [stdout]  --> src/parser/simple.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     combinator::{pred, many, some, map, concat, wrap, alter},
[INFO] [stdout]   |                                    ^^^  ^^^^^^        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `alter`, `concat`, `map`
[INFO] [stdout]  --> src/parser/macros.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::combinator::{alter, concat, map};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `alter`, `concat`, `map`
[INFO] [stdout]  --> src/parser/simple.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     combinator::{pred, many, some, map, concat, wrap, alter},
[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 8.10s
[INFO] running `Command { std: "docker" "inspect" "6925dccebc30a7e60a841d6bc33fa4c327abd0cbae38ee5bb4f95d53abab5327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6925dccebc30a7e60a841d6bc33fa4c327abd0cbae38ee5bb4f95d53abab5327", kill_on_drop: false }`
[INFO] [stdout] 6925dccebc30a7e60a841d6bc33fa4c327abd0cbae38ee5bb4f95d53abab5327