[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 try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheCactusBlue%2Face_language_test" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheCactusBlue/ace_language_test on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a680d86ef28fc50dc3fca54a6c0f9f5adb7f35620ddfbc7ff1f5d8215bbf40b
[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" "1a680d86ef28fc50dc3fca54a6c0f9f5adb7f35620ddfbc7ff1f5d8215bbf40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a680d86ef28fc50dc3fca54a6c0f9f5adb7f35620ddfbc7ff1f5d8215bbf40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a680d86ef28fc50dc3fca54a6c0f9f5adb7f35620ddfbc7ff1f5d8215bbf40b", kill_on_drop: false }`
[INFO] [stdout] 1a680d86ef28fc50dc3fca54a6c0f9f5adb7f35620ddfbc7ff1f5d8215bbf40b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 824b3add36db03c30b9f3c9cdb8d092af5a74c77c83b5531755ee1cfa45da3eb
[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" "824b3add36db03c30b9f3c9cdb8d092af5a74c77c83b5531755ee1cfa45da3eb", kill_on_drop: false }`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "824b3add36db03c30b9f3c9cdb8d092af5a74c77c83b5531755ee1cfa45da3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824b3add36db03c30b9f3c9cdb8d092af5a74c77c83b5531755ee1cfa45da3eb", kill_on_drop: false }`
[INFO] [stdout] 824b3add36db03c30b9f3c9cdb8d092af5a74c77c83b5531755ee1cfa45da3eb