[INFO] cloning repository https://github.com/buyoh/nospace20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buyoh/nospace20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuyoh%2Fnospace20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuyoh%2Fnospace20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c980118abf925aea9a2896249159b12ee445ada8
[INFO] checking buyoh/nospace20 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuyoh%2Fnospace20" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/buyoh/nospace20 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/buyoh/nospace20
[INFO] finished tweaking git repo https://github.com/buyoh/nospace20
[INFO] tweaked toml for git repo https://github.com/buyoh/nospace20 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/buyoh/nospace20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 925abfd7a1fd9ad50990a3fe125b25a90adf6d00425c0bf516f5996a80b73b0c
[INFO] running `Command { std: "docker" "start" "-a" "925abfd7a1fd9ad50990a3fe125b25a90adf6d00425c0bf516f5996a80b73b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "925abfd7a1fd9ad50990a3fe125b25a90adf6d00425c0bf516f5996a80b73b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925abfd7a1fd9ad50990a3fe125b25a90adf6d00425c0bf516f5996a80b73b0c", kill_on_drop: false }`
[INFO] [stdout] 925abfd7a1fd9ad50990a3fe125b25a90adf6d00425c0bf516f5996a80b73b0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a2410d590f302398f801e741635e794c3735cbca76437340f27ac39d8a5236b
[INFO] running `Command { std: "docker" "start" "-a" "5a2410d590f302398f801e741635e794c3735cbca76437340f27ac39d8a5236b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking nospace20 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `current_scope`
[INFO] [stdout]   --> src/interpreter/mod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     current_scope: &'a Scope,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `current_scope`
[INFO] [stdout]   --> src/interpreter/mod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     current_scope: &'a Scope,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.81s
[INFO] running `Command { std: "docker" "inspect" "5a2410d590f302398f801e741635e794c3735cbca76437340f27ac39d8a5236b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2410d590f302398f801e741635e794c3735cbca76437340f27ac39d8a5236b", kill_on_drop: false }`
[INFO] [stdout] 5a2410d590f302398f801e741635e794c3735cbca76437340f27ac39d8a5236b