[INFO] cloning repository https://github.com/hyone/arithmetic-evaluator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hyone/arithmetic-evaluator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyone%2Farithmetic-evaluator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyone%2Farithmetic-evaluator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 684c3f566ffea40c92eb23028b59481480c60ccb
[INFO] testing hyone/arithmetic-evaluator 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%2Fhyone%2Farithmetic-evaluator" "/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/hyone/arithmetic-evaluator 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/hyone/arithmetic-evaluator
[INFO] finished tweaking git repo https://github.com/hyone/arithmetic-evaluator
[INFO] tweaked toml for git repo https://github.com/hyone/arithmetic-evaluator written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hyone/arithmetic-evaluator 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded either v1.5.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.6
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded ascii v0.9.1
[INFO] [stderr]   Downloaded regex v1.1.5
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded num-complex v0.2.1
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded serde v1.0.90
[INFO] [stderr]   Downloaded num-bigint v0.2.2
[INFO] [stderr]   Downloaded syn v0.15.29
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded num-rational v0.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.90
[INFO] [stderr]   Downloaded docopt v1.0.2
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0571d354a6ed47a8021b7ecd32f11e34630f29db7aa490b258e9099edd72798
[INFO] running `Command { std: "docker" "start" "-a" "b0571d354a6ed47a8021b7ecd32f11e34630f29db7aa490b258e9099edd72798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0571d354a6ed47a8021b7ecd32f11e34630f29db7aa490b258e9099edd72798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0571d354a6ed47a8021b7ecd32f11e34630f29db7aa490b258e9099edd72798", kill_on_drop: false }`
[INFO] [stdout] b0571d354a6ed47a8021b7ecd32f11e34630f29db7aa490b258e9099edd72798
[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=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] 880611ff08d235631b6f2eeac4046cfc7d8d7f2f4ff781da7f34677da6b9280d
[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" "880611ff08d235631b6f2eeac4046cfc7d8d7f2f4ff781da7f34677da6b9280d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling ascii v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling arithmetic-evaluator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.98s
[INFO] running `Command { std: "docker" "inspect" "880611ff08d235631b6f2eeac4046cfc7d8d7f2f4ff781da7f34677da6b9280d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880611ff08d235631b6f2eeac4046cfc7d8d7f2f4ff781da7f34677da6b9280d", kill_on_drop: false }`
[INFO] [stdout] 880611ff08d235631b6f2eeac4046cfc7d8d7f2f4ff781da7f34677da6b9280d
[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=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] 82f4653ad0df9e77a9a79b25bba98d4dfcb3421bb0958470b54dc8061afe4e7d
[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" "82f4653ad0df9e77a9a79b25bba98d4dfcb3421bb0958470b54dc8061afe4e7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling arithmetic-evaluator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `Command { std: "docker" "inspect" "82f4653ad0df9e77a9a79b25bba98d4dfcb3421bb0958470b54dc8061afe4e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f4653ad0df9e77a9a79b25bba98d4dfcb3421bb0958470b54dc8061afe4e7d", kill_on_drop: false }`
[INFO] [stdout] 82f4653ad0df9e77a9a79b25bba98d4dfcb3421bb0958470b54dc8061afe4e7d
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 36a381a5f0807c26906b57928d49eba4e7b2eeda2de34be876417db3d3e0324f
[INFO] running `Command { std: "docker" "start" "-a" "36a381a5f0807c26906b57928d49eba4e7b2eeda2de34be876417db3d3e0324f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arithmetic_evaluator-60c04ff0d9c9f6fd)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test parser::tests::number_error_test ... ok
[INFO] [stdout] test eval::tests::eval_basic_test ... ok
[INFO] [stdout] test parser::tests::lex_test ... ok
[INFO] [stdout] test eval::tests::eval_complex_test ... ok
[INFO] [stdout] test parser::tests::parens_test ... ok
[INFO] [stdout] test parser::tests::expr_test ... ok
[INFO] [stdout] test parser::tests::expr_complex_test ... ok
[INFO] [stdout] test parser::tests::term_test ... ok
[INFO] [stdout] test parser::tests::number_test ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arithmetic_evaluator-039b80f399ddaa6b)
[INFO] [stdout] test parser::tests::term_error_test - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test eval::tests::eval_basic_test ... ok
[INFO] [stdout] test parser::tests::term_test ... ok
[INFO] [stdout] test parser::tests::number_error_test ... ok
[INFO] [stdout] test parser::tests::lex_test ... ok
[INFO] [stdout] test eval::tests::eval_complex_test ... ok
[INFO] [stdout] test parser::tests::parens_test ... ok
[INFO] [stdout] test parser::tests::number_test ... ok
[INFO] [stdout] test parser::tests::expr_complex_test ... ok
[INFO] [stdout] test parser::tests::expr_test ... ok
[INFO] [stdout] test parser::tests::term_error_test - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arithmetic_evaluator
[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" "36a381a5f0807c26906b57928d49eba4e7b2eeda2de34be876417db3d3e0324f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a381a5f0807c26906b57928d49eba4e7b2eeda2de34be876417db3d3e0324f", kill_on_drop: false }`
[INFO] [stdout] 36a381a5f0807c26906b57928d49eba4e7b2eeda2de34be876417db3d3e0324f