[INFO] cloning repository https://github.com/khzh/rustimp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khzh/rustimp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhzh%2Frustimp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhzh%2Frustimp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71c428678d3dbe00266b85df78d875694acb5d8b
[INFO] testing khzh/rustimp against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhzh%2Frustimp" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khzh/rustimp on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/khzh/rustimp
[INFO] finished tweaking git repo https://github.com/khzh/rustimp
[INFO] tweaked toml for git repo https://github.com/khzh/rustimp written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/khzh/rustimp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d719d5c54118ddeaa9b9f024e2aa4383ae53c5a64941d12aab904c81d38e4886
[INFO] running `Command { std: "docker" "start" "-a" "d719d5c54118ddeaa9b9f024e2aa4383ae53c5a64941d12aab904c81d38e4886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d719d5c54118ddeaa9b9f024e2aa4383ae53c5a64941d12aab904c81d38e4886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d719d5c54118ddeaa9b9f024e2aa4383ae53c5a64941d12aab904c81d38e4886", kill_on_drop: false }`
[INFO] [stdout] d719d5c54118ddeaa9b9f024e2aa4383ae53c5a64941d12aab904c81d38e4886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e740ac9a5a5e26ad00ad010a1ffe4359cc0f84d4d1037aa10685f54df197bd0
[INFO] running `Command { std: "docker" "start" "-a" "7e740ac9a5a5e26ad00ad010a1ffe4359cc0f84d4d1037aa10685f54df197bd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling interp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]   --> src/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn eval(arith : Arith, environment : &HashMap<String, u64>) -> u64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]   --> src/main.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn eval(booln : Booln, environment : &HashMap<String, u64>) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assgn`
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn assgn(name : String, arith: Arith) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]   --> src/main.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn eval(commd : Commd, mut environment : HashMap<String, u64>) -> HashMap<String, u64> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "7e740ac9a5a5e26ad00ad010a1ffe4359cc0f84d4d1037aa10685f54df197bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e740ac9a5a5e26ad00ad010a1ffe4359cc0f84d4d1037aa10685f54df197bd0", kill_on_drop: false }`
[INFO] [stdout] 7e740ac9a5a5e26ad00ad010a1ffe4359cc0f84d4d1037aa10685f54df197bd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cd5e189c4fca1868667ff539cdaff64dd16dc9cfed84f588ca95a753564a3e5
[INFO] running `Command { std: "docker" "start" "-a" "1cd5e189c4fca1868667ff539cdaff64dd16dc9cfed84f588ca95a753564a3e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling interp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "1cd5e189c4fca1868667ff539cdaff64dd16dc9cfed84f588ca95a753564a3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd5e189c4fca1868667ff539cdaff64dd16dc9cfed84f588ca95a753564a3e5", kill_on_drop: false }`
[INFO] [stdout] 1cd5e189c4fca1868667ff539cdaff64dd16dc9cfed84f588ca95a753564a3e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1076ecff78e91fdfaa5285f71e27186ac6f130976299b8a5bbb77dfbc914d512
[INFO] running `Command { std: "docker" "start" "-a" "1076ecff78e91fdfaa5285f71e27186ac6f130976299b8a5bbb77dfbc914d512", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/interp-81739081f656d36c)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test booln_gt_v ... ok
[INFO] [stdout] test booln_lt_v ... ok
[INFO] [stdout] test arith_num ... ok
[INFO] [stdout] test arith_var_v ... ok
[INFO] [stdout] test booln_false ... ok
[INFO] [stdout] test arith_add_aexp_v ... ok
[INFO] [stdout] test arith_add_v ... ok
[INFO] [stdout] test arith_mul_v ... ok
[INFO] [stdout] test booln_eq_v ... ok
[INFO] [stdout] test arith_add_aexp_aexp ... ok
[INFO] [stdout] test arith_add_v_aexp ... ok
[INFO] [stdout] test arith_add_var ... ok
[INFO] [stdout] test commd_seq_skip_skip ... ok
[INFO] [stdout] test commd_if_true ... ok
[INFO] [stdout] test booln_true ... ok
[INFO] [stdout] test commd_assgn_aexp ... ok
[INFO] [stdout] test commd_assgn_v ... ok
[INFO] [stdout] test commd_skip ... ok
[INFO] [stdout] test commd_while_add ... ok
[INFO] [stdout] test commd_while_false ... ok
[INFO] [stdout] test commd_seq_assgn_assgn ... ok
[INFO] [stdout] test commd_if_false ... ok
[INFO] [stdout] test commd_if_arith ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1076ecff78e91fdfaa5285f71e27186ac6f130976299b8a5bbb77dfbc914d512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1076ecff78e91fdfaa5285f71e27186ac6f130976299b8a5bbb77dfbc914d512", kill_on_drop: false }`
[INFO] [stdout] 1076ecff78e91fdfaa5285f71e27186ac6f130976299b8a5bbb77dfbc914d512