[INFO] cloning repository https://github.com/timmyjose-compilers/muechak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timmyjose-compilers/muechak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimmyjose-compilers%2Fmuechak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimmyjose-compilers%2Fmuechak'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71e76a517bd4e3fa592545a5e1f4ca0f56251bdd
[INFO] testing timmyjose-compilers/muechak against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimmyjose-compilers%2Fmuechak" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timmyjose-compilers/muechak on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timmyjose-compilers/muechak
[INFO] finished tweaking git repo https://github.com/timmyjose-compilers/muechak
[INFO] tweaked toml for git repo https://github.com/timmyjose-compilers/muechak written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/timmyjose-compilers/muechak already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e5c2ca21a8a0e114d7d82e2dc61f204c10208d5aa2a508e103f0553ce582823
[INFO] running `Command { std: "docker" "start" "-a" "2e5c2ca21a8a0e114d7d82e2dc61f204c10208d5aa2a508e103f0553ce582823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e5c2ca21a8a0e114d7d82e2dc61f204c10208d5aa2a508e103f0553ce582823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5c2ca21a8a0e114d7d82e2dc61f204c10208d5aa2a508e103f0553ce582823", kill_on_drop: false }`
[INFO] [stdout] 2e5c2ca21a8a0e114d7d82e2dc61f204c10208d5aa2a508e103f0553ce582823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0e61c564dfc9613ea736e6d89cfd5f26c5efc2d2300121a97687dd3ecd5ef12
[INFO] running `Command { std: "docker" "start" "-a" "b0e61c564dfc9613ea736e6d89cfd5f26c5efc2d2300121a97687dd3ecd5ef12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arithmetic-expression-evaluator-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.00s
[INFO] running `Command { std: "docker" "inspect" "b0e61c564dfc9613ea736e6d89cfd5f26c5efc2d2300121a97687dd3ecd5ef12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e61c564dfc9613ea736e6d89cfd5f26c5efc2d2300121a97687dd3ecd5ef12", kill_on_drop: false }`
[INFO] [stdout] b0e61c564dfc9613ea736e6d89cfd5f26c5efc2d2300121a97687dd3ecd5ef12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edbadbed6b172868b3d062b4906e385e8645f79c4763f35f528ce48076fb3c25
[INFO] running `Command { std: "docker" "start" "-a" "edbadbed6b172868b3d062b4906e385e8645f79c4763f35f528ce48076fb3c25", kill_on_drop: false }`
[INFO] [stderr]    Compiling arithmetic-expression-evaluator-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "edbadbed6b172868b3d062b4906e385e8645f79c4763f35f528ce48076fb3c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edbadbed6b172868b3d062b4906e385e8645f79c4763f35f528ce48076fb3c25", kill_on_drop: false }`
[INFO] [stdout] edbadbed6b172868b3d062b4906e385e8645f79c4763f35f528ce48076fb3c25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9183fc815bc2cd1289c435e0e647e4591346eaf3fcca7b76ffd13f3c1e60b2a
[INFO] running `Command { std: "docker" "start" "-a" "e9183fc815bc2cd1289c435e0e647e4591346eaf3fcca7b76ffd13f3c1e60b2a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/muechak-8d6940c5756e6db6)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test eval::ast::tests::test_add_and_subexpression ... ok
[INFO] [stdout] test eval::lexer::tests::test_next_token_advanced ... ok
[INFO] [stdout] test eval::parser::tests::test_parse_expression1 ... ok
[INFO] [stdout] test eval::parser::tests::test_parse_expression3 ... ok
[INFO] [stdout] test eval::parser::tests::test_parse_expression5 ... ok
[INFO] [stdout] test eval::ast::tests::test_add_expression ... ok
[INFO] [stdout] test eval::parser::tests::test_parse_expression2 ... ok
[INFO] [stdout] test eval::parser::tests::test_parse_expression4 ... ok
[INFO] [stdout] test eval::lexer::tests::test_next_token_basic ... ok
[INFO] [stdout] test eval::parser::tests::test_parse_expression6 ... ok
[INFO] [stdout] test eval::parser::tests::test_parse_expression8 ... ok
[INFO] [stdout] test eval::parser::tests::test_parse_expression7 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arithmetic_expression_evaluator_rust-5c8e2817b5f8628e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests muechak
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9183fc815bc2cd1289c435e0e647e4591346eaf3fcca7b76ffd13f3c1e60b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9183fc815bc2cd1289c435e0e647e4591346eaf3fcca7b76ffd13f3c1e60b2a", kill_on_drop: false }`
[INFO] [stdout] e9183fc815bc2cd1289c435e0e647e4591346eaf3fcca7b76ffd13f3c1e60b2a