[INFO] cloning repository https://github.com/CrimsonAndRed/MyLittleExpression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CrimsonAndRed/MyLittleExpression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleExpression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleExpression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8a52d50247a09e06ed2c69a7927ba40d942090c
[INFO] testing CrimsonAndRed/MyLittleExpression against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleExpression" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CrimsonAndRed/MyLittleExpression 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/CrimsonAndRed/MyLittleExpression
[INFO] finished tweaking git repo https://github.com/CrimsonAndRed/MyLittleExpression
[INFO] tweaked toml for git repo https://github.com/CrimsonAndRed/MyLittleExpression written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/CrimsonAndRed/MyLittleExpression 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 268f6a02ea6da49921ab79e3dda23f813282b4e2d9f68136436c9bb3723c8446
[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" "268f6a02ea6da49921ab79e3dda23f813282b4e2d9f68136436c9bb3723c8446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "268f6a02ea6da49921ab79e3dda23f813282b4e2d9f68136436c9bb3723c8446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268f6a02ea6da49921ab79e3dda23f813282b4e2d9f68136436c9bb3723c8446", kill_on_drop: false }`
[INFO] [stdout] 268f6a02ea6da49921ab79e3dda23f813282b4e2d9f68136436c9bb3723c8446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 022cd6240a774b6bbf71a42b0d666804a55871bc8da550a221459fcc845245cb
[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" "022cd6240a774b6bbf71a42b0d666804a55871bc8da550a221459fcc845245cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling expression_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "022cd6240a774b6bbf71a42b0d666804a55871bc8da550a221459fcc845245cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022cd6240a774b6bbf71a42b0d666804a55871bc8da550a221459fcc845245cb", kill_on_drop: false }`
[INFO] [stdout] 022cd6240a774b6bbf71a42b0d666804a55871bc8da550a221459fcc845245cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 599adcbc92d21f895c652e76267d10e35fb8438b3dfa79de1d95bcbcaf269f4e
[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" "599adcbc92d21f895c652e76267d10e35fb8438b3dfa79de1d95bcbcaf269f4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling expression_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "599adcbc92d21f895c652e76267d10e35fb8438b3dfa79de1d95bcbcaf269f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599adcbc92d21f895c652e76267d10e35fb8438b3dfa79de1d95bcbcaf269f4e", kill_on_drop: false }`
[INFO] [stdout] 599adcbc92d21f895c652e76267d10e35fb8438b3dfa79de1d95bcbcaf269f4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 53588ad172defcd78c35ea70c6ab656fdcb7c1bf7a51575f421311b0b88382e1
[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" "53588ad172defcd78c35ea70c6ab656fdcb7c1bf7a51575f421311b0b88382e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/expression_parser-676f313a4ee60608)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/basic_arithmetics.rs (/opt/rustwide/target/debug/deps/basic_arithmetics-bcffb1ba62b63df9)
[INFO] [stdout] test error::test::basic_1 ... ok
[INFO] [stdout] test error::test::empty_formula ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test basic_integer_assosiative_1 ... ok
[INFO] [stdout] test basic_nospace ... ok
[INFO] [stdout] test basic_sub ... ok
[INFO] [stdout] test basic_mul ... ok
[INFO] [stdout] test basic_integer_assosiative_3 ... ok
[INFO] [stdout] test basic_multidigits ... ok
[INFO] [stdout] test basic_power_3 ... ok
[INFO] [stdout] test basic_add ... ok
[INFO] [stdout] test basic_several ... ok
[INFO] [stdout] test basic_single_num ... ok
[INFO] [stdout] test basic_integer_assosiative_2 ... ok
[INFO] [stdout] test basic_power_2 ... ok
[INFO] [stdout] test basic_power ... ok
[INFO] [stdout] test basic_div ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_arithmetics_order.rs (/opt/rustwide/target/debug/deps/basic_arithmetics_order-801a6ef90b107c71)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test power_order_1 ... ok
[INFO] [stdout] test basic_order_1 ... ok
[INFO] [stdout] test basic_order_3 ... ok
[INFO] [stdout] test basic_order_4 ... ok
[INFO] [stdout] test basic_order_5 ... ok
[INFO] [stderr]      Running tests/basic_negative.rs (/opt/rustwide/target/debug/deps/basic_negative-b5a0dc709c422d76)
[INFO] [stdout] test basic_order_2 ... ok
[INFO] [stdout] test power_order_2 ... ok
[INFO] [stdout] test power_order_3 ... ok
[INFO] [stdout] test power_associativity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test basic_negative_1 ... ok
[INFO] [stdout] test basic_negative_10 ... ok
[INFO] [stdout] test basic_negative_5 ... ok
[INFO] [stdout] test basic_negative_9 ... ok
[INFO] [stdout] test basic_negative_7 ... ok
[INFO] [stdout] test basic_negative_6 ... ok
[INFO] [stdout] test basic_negative_3 ... ok
[INFO] [stdout] test basic_negative_4 ... ok
[INFO] [stdout] test basic_negative_8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/big_integer.rs (/opt/rustwide/target/debug/deps/big_integer-8f1625a8087554b1)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/brackets.rs (/opt/rustwide/target/debug/deps/brackets-4197d4e1a741a618)
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test brackets_4 ... ok
[INFO] [stdout] test brackets_1 ... ok
[INFO] [stdout] test brackets_5 ... ok
[INFO] [stdout] test brackets_2 ... ok
[INFO] [stdout] test brackets_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/overflow.rs (/opt/rustwide/target/debug/deps/overflow-e9657df23d14031f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test integer_overflow_1 ... ok
[INFO] [stdout] test integer_overflow_2 ... ok
[INFO] [stdout] test float_overflow ... ok
[INFO] [stdout] test max_float ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/setup.rs (/opt/rustwide/target/debug/deps/setup-699db941943fd880)
[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]      Running tests/smallfloats.rs (/opt/rustwide/target/debug/deps/smallfloats-27b657c2c4da04a9)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test basic_add ... ok
[INFO] [stdout] test basic_sub ... ok
[INFO] [stdout] test basic_div ... ok
[INFO] [stdout] test basic_mul ... ok
[INFO] [stdout] test basic_floatshit_1 ... ok
[INFO] [stdout] test basic_floatshit_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unary_numeric_system.rs (/opt/rustwide/target/debug/deps/unary_numeric_system-02d47488b1fd7cae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic_unary_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/variables.rs (/opt/rustwide/target/debug/deps/variables-6a79a68c65acb500)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test basic_add ... ok
[INFO] [stdout] test several_variables ... ok
[INFO] [stdout] test same_variable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests expression_parser
[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" "53588ad172defcd78c35ea70c6ab656fdcb7c1bf7a51575f421311b0b88382e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53588ad172defcd78c35ea70c6ab656fdcb7c1bf7a51575f421311b0b88382e1", kill_on_drop: false }`
[INFO] [stdout] 53588ad172defcd78c35ea70c6ab656fdcb7c1bf7a51575f421311b0b88382e1