[INFO] cloning repository https://github.com/johnskiller/GrForth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnskiller/GrForth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnskiller%2FGrForth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnskiller%2FGrForth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f11988852061fb36d1052fc918671199dc7f6628
[INFO] checking johnskiller/GrForth against master#19f42cb9bb65555e7d95dab7d17573ae6c5d634c for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnskiller%2FGrForth" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnskiller/GrForth on toolchain 19f42cb9bb65555e7d95dab7d17573ae6c5d634c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnskiller/GrForth
[INFO] finished tweaking git repo https://github.com/johnskiller/GrForth
[INFO] tweaked toml for git repo https://github.com/johnskiller/GrForth written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/johnskiller/GrForth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 454f83e853e38d47164eee4c6167a74e0c494c4998d0b3784379fb3ca7565166
[INFO] running `Command { std: "docker" "start" "-a" "454f83e853e38d47164eee4c6167a74e0c494c4998d0b3784379fb3ca7565166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "454f83e853e38d47164eee4c6167a74e0c494c4998d0b3784379fb3ca7565166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454f83e853e38d47164eee4c6167a74e0c494c4998d0b3784379fb3ca7565166", kill_on_drop: false }`
[INFO] [stdout] 454f83e853e38d47164eee4c6167a74e0c494c4998d0b3784379fb3ca7565166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a75092ed3cbaa44ec5a2e1dd41c2ba428ead8bc8c358bf5a34a7cc5b0513905
[INFO] running `Command { std: "docker" "start" "-a" "9a75092ed3cbaa44ec5a2e1dd41c2ba428ead8bc8c358bf5a34a7cc5b0513905", kill_on_drop: false }`
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wtype` is never read
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Word {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     wtype: WordType,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Word` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Dict`, `Lit`, and `Imed` are never constructed
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum WordType {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 18 |     Internal,
[INFO] [stdout] 19 |     Dict,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     Lit,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 21 |     Imed, //immediate
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WordType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wtype` is never read
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Word {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     wtype: WordType,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Word` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Dict`, `Lit`, and `Imed` are never constructed
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum WordType {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 18 |     Internal,
[INFO] [stdout] 19 |     Dict,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     Lit,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 21 |     Imed, //immediate
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WordType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "9a75092ed3cbaa44ec5a2e1dd41c2ba428ead8bc8c358bf5a34a7cc5b0513905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a75092ed3cbaa44ec5a2e1dd41c2ba428ead8bc8c358bf5a34a7cc5b0513905", kill_on_drop: false }`
[INFO] [stdout] 9a75092ed3cbaa44ec5a2e1dd41c2ba428ead8bc8c358bf5a34a7cc5b0513905