[INFO] cloning repository https://github.com/jmriesen/calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmriesen/calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmriesen%2Fcalculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmriesen%2Fcalculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5e9c9f4b89e1b633e9a5c25a764796f0418b4eb
[INFO] testing jmriesen/calculator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmriesen%2Fcalculator" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmriesen/calculator 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/jmriesen/calculator
[INFO] finished tweaking git repo https://github.com/jmriesen/calculator
[INFO] tweaked toml for git repo https://github.com/jmriesen/calculator written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/jmriesen/calculator 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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] f12fed791c2902f0c08f472c407fc0c72efc90d45227080a92853f29e8b0cf8d
[INFO] running `Command { std: "docker" "start" "-a" "f12fed791c2902f0c08f472c407fc0c72efc90d45227080a92853f29e8b0cf8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f12fed791c2902f0c08f472c407fc0c72efc90d45227080a92853f29e8b0cf8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12fed791c2902f0c08f472c407fc0c72efc90d45227080a92853f29e8b0cf8d", kill_on_drop: false }`
[INFO] [stdout] f12fed791c2902f0c08f472c407fc0c72efc90d45227080a92853f29e8b0cf8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] a0c4f5a25a325764cd8b48faa48e5ab48b71f6ed2f6cedc7183b52b58ec7c467
[INFO] running `Command { std: "docker" "start" "-a" "a0c4f5a25a325764cd8b48faa48e5ab48b71f6ed2f6cedc7183b52b58ec7c467", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `evaluate`
[INFO] [stdout]  --> src/expression/infix/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn evaluate(&'a self,variables:&VariableMap)->Result<isize,ExpressionError>{
[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: `evaluate`
[INFO] [stdout]  --> src/expression/prefix/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn evaluate(&'a self,variables:&VariableMap)->Result<isize,ExpressionError>{
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0c4f5a25a325764cd8b48faa48e5ab48b71f6ed2f6cedc7183b52b58ec7c467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c4f5a25a325764cd8b48faa48e5ab48b71f6ed2f6cedc7183b52b58ec7c467", kill_on_drop: false }`
[INFO] [stdout] a0c4f5a25a325764cd8b48faa48e5ab48b71f6ed2f6cedc7183b52b58ec7c467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 6cd85ddd973e5b26337c6cb097974facbea39cff2fb5575860ced9417ac3fee5
[INFO] running `Command { std: "docker" "start" "-a" "6cd85ddd973e5b26337c6cb097974facbea39cff2fb5575860ced9417ac3fee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "6cd85ddd973e5b26337c6cb097974facbea39cff2fb5575860ced9417ac3fee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd85ddd973e5b26337c6cb097974facbea39cff2fb5575860ced9417ac3fee5", kill_on_drop: false }`
[INFO] [stdout] 6cd85ddd973e5b26337c6cb097974facbea39cff2fb5575860ced9417ac3fee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 9d8fbe17e46c84969557589eb421dccb4fd7aa4e076c4dd61fa8429e090db2df
[INFO] running `Command { std: "docker" "start" "-a" "9d8fbe17e46c84969557589eb421dccb4fd7aa4e076c4dd61fa8429e090db2df", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calculator-c3bdeb42dbf0039f)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test expression::infix::tests::adding_and_subtracting_should_have_same_priority ... ok
[INFO] [stdout] test expression::infix::tests::adding_surrounding_parenthesies_dose_not_change_result ... ok
[INFO] [stdout] test expression::infix::tests::multiplication_and_division_should_have_same_priority ... ok
[INFO] [stdout] test expression::infix::tests::should_be_able_to_handle_two_term_expresstions ... ok
[INFO] [stdout] test expression::infix::tests::parenthesise_should_cause_preference ... ok
[INFO] [stdout] test expression::infix::tests::should_be_able_to_use_multiple_parenthesises ... ok
[INFO] [stdout] test expression::infix::tests::should_return_literals ... ok
[INFO] [stdout] test expression::infix::tests::should_multiply_before_adding ... ok
[INFO] [stdout] test expression::postfix::tests::empty_string_should_produce_error ... ok
[INFO] [stdout] test expression::postfix::tests::should_be_able_to_add_numbers ... ok
[INFO] [stdout] test expression::postfix::tests::should_be_able_to_divide ... ok
[INFO] [stdout] test expression::postfix::tests::should_be_able_to_multiply ... ok
[INFO] [stdout] test expression::postfix::tests::should_be_able_to_subtract_numbers ... ok
[INFO] [stdout] test expression::postfix::tests::should_be_able_to_use_all_operations_together ... ok
[INFO] [stdout] test expression::postfix::tests::should_be_able_to_use_variables_in_expretions ... ok
[INFO] [stdout] test expression::postfix::tests::should_ignore_extra_white_space ... ok
[INFO] [stdout] test expression::postfix::tests::should_not_allow_parenthesis ... ok
[INFO] [stdout] test expression::postfix::tests::should_not_be_able_to_redefine_numbers_and_operation_symbols ... ok
[INFO] [stdout] test expression::postfix::tests::should_read_variable_value ... ok
[INFO] [stdout] test expression::postfix::tests::should_return_a_number_when_given_a_litteral ... ok
[INFO] [stdout] test expression::postfix::tests::to_few_arguments_should_produce_error ... ok
[INFO] [stdout] test expression::postfix::tests::to_many_arguments_should_produce_error ... ok
[INFO] [stdout] test expression::prefix::tests::should_be_able_to_add_two_numbers ... ok
[INFO] [stdout] test expression::prefix::tests::should_return_literals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d8fbe17e46c84969557589eb421dccb4fd7aa4e076c4dd61fa8429e090db2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8fbe17e46c84969557589eb421dccb4fd7aa4e076c4dd61fa8429e090db2df", kill_on_drop: false }`
[INFO] [stdout] 9d8fbe17e46c84969557589eb421dccb4fd7aa4e076c4dd61fa8429e090db2df