[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 master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhzh%2Frustimp" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khzh/rustimp on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c975e686cdcb75b5c04050e422b32a450bdca2ee653be980f5bd15bb8a2dfac
[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" "9c975e686cdcb75b5c04050e422b32a450bdca2ee653be980f5bd15bb8a2dfac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c975e686cdcb75b5c04050e422b32a450bdca2ee653be980f5bd15bb8a2dfac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c975e686cdcb75b5c04050e422b32a450bdca2ee653be980f5bd15bb8a2dfac", kill_on_drop: false }`
[INFO] [stdout] 9c975e686cdcb75b5c04050e422b32a450bdca2ee653be980f5bd15bb8a2dfac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cca792258d1edcfd9849ea980180abf0cd5bd5319546491c0c18a3b182027a85
[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" "cca792258d1edcfd9849ea980180abf0cd5bd5319546491c0c18a3b182027a85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.10s
[INFO] running `Command { std: "docker" "inspect" "cca792258d1edcfd9849ea980180abf0cd5bd5319546491c0c18a3b182027a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca792258d1edcfd9849ea980180abf0cd5bd5319546491c0c18a3b182027a85", kill_on_drop: false }`
[INFO] [stdout] cca792258d1edcfd9849ea980180abf0cd5bd5319546491c0c18a3b182027a85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c913044841ffc3beee66c0a1571526fb145986f761a0a288ce448c3f4f775e98
[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" "c913044841ffc3beee66c0a1571526fb145986f761a0a288ce448c3f4f775e98", kill_on_drop: false }`
[INFO] [stderr]    Compiling interp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "c913044841ffc3beee66c0a1571526fb145986f761a0a288ce448c3f4f775e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c913044841ffc3beee66c0a1571526fb145986f761a0a288ce448c3f4f775e98", kill_on_drop: false }`
[INFO] [stdout] c913044841ffc3beee66c0a1571526fb145986f761a0a288ce448c3f4f775e98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93529a69cc54eaf35008e2b323d12f57e20710d41481e3f746ffcc10a99c247a
[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" "93529a69cc54eaf35008e2b323d12f57e20710d41481e3f746ffcc10a99c247a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/interp-4771c0d9e11c26b3
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test arith_add_aexp_aexp ... ok
[INFO] [stdout] test arith_add_v ... ok
[INFO] [stdout] test arith_add_var ... ok
[INFO] [stdout] test arith_add_v_aexp ... ok
[INFO] [stdout] test commd_if_false ... ok
[INFO] [stdout] test commd_if_true ... ok
[INFO] [stdout] test commd_seq_assgn_assgn ... ok
[INFO] [stdout] test commd_seq_skip_skip ... ok
[INFO] [stdout] test commd_if_arith ... ok
[INFO] [stdout] test commd_assgn_v ... ok
[INFO] [stdout] test commd_assgn_aexp ... ok
[INFO] [stdout] test commd_skip ... ok
[INFO] [stdout] test booln_eq_v ... ok
[INFO] [stdout] test booln_true ... ok
[INFO] [stdout] test booln_false ... ok
[INFO] [stdout] test commd_while_false ... ok
[INFO] [stdout] test arith_var_v ... ok
[INFO] [stdout] test commd_while_add ... ok
[INFO] [stdout] test booln_lt_v ... ok
[INFO] [stdout] test arith_mul_v ... ok
[INFO] [stdout] test booln_gt_v ... ok
[INFO] [stdout] test arith_num ... ok
[INFO] [stdout] test arith_add_aexp_v ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93529a69cc54eaf35008e2b323d12f57e20710d41481e3f746ffcc10a99c247a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93529a69cc54eaf35008e2b323d12f57e20710d41481e3f746ffcc10a99c247a", kill_on_drop: false }`
[INFO] [stdout] 93529a69cc54eaf35008e2b323d12f57e20710d41481e3f746ffcc10a99c247a