[INFO] updating cached repository https://github.com/Pamplemousse/mathematical_expression_evaluation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fed665f7581253cfcf024eb531591b74af91712
[INFO] testing Pamplemousse/mathematical_expression_evaluation against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPamplemousse%2Fmathematical_expression_evaluation" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pamplemousse/mathematical_expression_evaluation on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pamplemousse/mathematical_expression_evaluation
[INFO] finished tweaking git repo https://github.com/Pamplemousse/mathematical_expression_evaluation
[INFO] tweaked toml for git repo https://github.com/Pamplemousse/mathematical_expression_evaluation written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Pamplemousse/mathematical_expression_evaluation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bcaf30bb0459d307237c443854f162398cccfdfb7b688b017ebd5368790c293
[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" "9bcaf30bb0459d307237c443854f162398cccfdfb7b688b017ebd5368790c293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bcaf30bb0459d307237c443854f162398cccfdfb7b688b017ebd5368790c293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcaf30bb0459d307237c443854f162398cccfdfb7b688b017ebd5368790c293", kill_on_drop: false }`
[INFO] [stdout] 9bcaf30bb0459d307237c443854f162398cccfdfb7b688b017ebd5368790c293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758071b2ff51bf154b9f9daccbeaf462f5d945b16579a1254791be7dd2e32b04
[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" "758071b2ff51bf154b9f9daccbeaf462f5d945b16579a1254791be7dd2e32b04", kill_on_drop: false }`
[INFO] [stderr]    Compiling math_eval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "758071b2ff51bf154b9f9daccbeaf462f5d945b16579a1254791be7dd2e32b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758071b2ff51bf154b9f9daccbeaf462f5d945b16579a1254791be7dd2e32b04", kill_on_drop: false }`
[INFO] [stdout] 758071b2ff51bf154b9f9daccbeaf462f5d945b16579a1254791be7dd2e32b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf43bbe3936716a41492d431701ce7cea5eccabeba4ac322b604603fa111d98
[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" "6bf43bbe3936716a41492d431701ce7cea5eccabeba4ac322b604603fa111d98", kill_on_drop: false }`
[INFO] [stderr]    Compiling math_eval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "6bf43bbe3936716a41492d431701ce7cea5eccabeba4ac322b604603fa111d98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf43bbe3936716a41492d431701ce7cea5eccabeba4ac322b604603fa111d98", kill_on_drop: false }`
[INFO] [stdout] 6bf43bbe3936716a41492d431701ce7cea5eccabeba4ac322b604603fa111d98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 731248eee6ad0f18813782eb00d03829cd5acb1e88a11ab499e3e1b68651d072
[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" "731248eee6ad0f18813782eb00d03829cd5acb1e88a11ab499e3e1b68651d072", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/math_eval-cd9aea0d96dc3d0c
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test parser::tests::parse_with_a_two_literals_multiplication ... ok
[INFO] [stdout] test parser::tests::parse_with_addition_and_multiplication ... ok
[INFO] [stdout] test interpreter::tests::interpret_simple_substraction ... ok
[INFO] [stdout] test interpreter::tests::interpret_simple_multiplication ... ok
[INFO] [stdout] test tokenizer::tests::tokenize_deals_with_multiple_digits_numbers ... ok
[INFO] [stdout] test tokenizer::token::literal::digit::tests::each_digit_has_a_character_representation ... ok
[INFO] [stdout] test parser::tests::parse_with_multiplication_and_addition_and_addition ... ok
[INFO] [stdout] test tokenizer::token::literal::digit::tests::operator_constructor_return_none_if_character_is_not_an_operator ... ok
[INFO] [stdout] test tokenizer::token::literal::digit::tests::operators_can_be_instanciated_from_characters ... ok
[INFO] [stdout] test parser::tests::parse_with_parentheses ... ok
[INFO] [stdout] test tokenizer::token::literal::tests::each_literal_can_be_represented_as_a_string ... ok
[INFO] [stdout] test tokenizer::tests::tokenize_creates_tokens_from_a_string ... ok
[INFO] [stdout] test tokenizer::token::literal::tests::literals_can_be_instanciated_from_strings ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::each_operator_has_a_character_representation ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::operator_slash_computes_a_division ... ok
[INFO] [stdout] test parser::tests::parse_with_addition_and_addition_and_multiplication ... ok
[INFO] [stdout] test interpreter::tests::interpret_simple_addition ... ok
[INFO] [stdout] test tokenizer::tests::tokenize_deals_with_parentheses ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::operators_can_be_instanciated_from_characters ... ok
[INFO] [stdout] test interpreter::tests::interpret_simple_integer_division ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::operator_constructor_return_none_if_character_is_not_an_operator ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::operator_plus_computes_an_addition ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::operator_times_computes_a_multiplication ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::operator_minus_computes_a_substraction ... ok
[INFO] [stdout] test parser::tests::parse_with_addition_and_multiplication_and_addition ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::operators_can_be_ordered_following_precedence_in_arithmetic ... ok
[INFO] [stdout] test tokenizer::token::tests::each_token_can_be_represented_as_a_string ... ok
[INFO] [stdout] test parser::tests::parse_with_multiplication_and_addition ... ok
[INFO] [stdout] test parser::tests::parse_with_empty_list_of_tokens ... ok
[INFO] [stdout] test parser::tests::parse_with_multiplication_and_addition_and_multiplication ... ok
[INFO] [stdout] test tokenizer::token::tests::some_tokens_can_be_instanciated_from_a_character ... ok
[INFO] [stdout] test interpreter::tests::interpret_simple_exponentiation ... ok
[INFO] [stdout] test tokenizer::token::operator::tests::operator_caret_computes_a_exponentiation ... ok
[INFO] [stdout] test interpreter::tests::interpret_complex_operation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "731248eee6ad0f18813782eb00d03829cd5acb1e88a11ab499e3e1b68651d072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731248eee6ad0f18813782eb00d03829cd5acb1e88a11ab499e3e1b68651d072", kill_on_drop: false }`
[INFO] [stdout] 731248eee6ad0f18813782eb00d03829cd5acb1e88a11ab499e3e1b68651d072