[INFO] fetching crate single-digit-rpn 0.1.0...
[INFO] testing single-digit-rpn-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate single-digit-rpn 0.1.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate single-digit-rpn 0.1.0 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 crates.io crate single-digit-rpn 0.1.0
[INFO] finished tweaking crates.io crate single-digit-rpn 0.1.0
[INFO] tweaked toml for crates.io crate single-digit-rpn 0.1.0 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate crates.io crate single-digit-rpn 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 0d7add8e8a942d79c0a079d5690e6c57d3b8ca0db07c5ce76aff840fd62f85bd
[INFO] running `Command { std: "docker" "start" "-a" "0d7add8e8a942d79c0a079d5690e6c57d3b8ca0db07c5ce76aff840fd62f85bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d7add8e8a942d79c0a079d5690e6c57d3b8ca0db07c5ce76aff840fd62f85bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7add8e8a942d79c0a079d5690e6c57d3b8ca0db07c5ce76aff840fd62f85bd", kill_on_drop: false }`
[INFO] [stdout] 0d7add8e8a942d79c0a079d5690e6c57d3b8ca0db07c5ce76aff840fd62f85bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] f4a419005befae41da4986e444bb669889cedef78d8a87310266ea98fe65da7a
[INFO] running `Command { std: "docker" "start" "-a" "f4a419005befae41da4986e444bb669889cedef78d8a87310266ea98fe65da7a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling single-digit-rpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "f4a419005befae41da4986e444bb669889cedef78d8a87310266ea98fe65da7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a419005befae41da4986e444bb669889cedef78d8a87310266ea98fe65da7a", kill_on_drop: false }`
[INFO] [stdout] f4a419005befae41da4986e444bb669889cedef78d8a87310266ea98fe65da7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 8b1ac793a5e2acaddc17d08ece70fd350a917b13d9c69b30394e7126477088ce
[INFO] running `Command { std: "docker" "start" "-a" "8b1ac793a5e2acaddc17d08ece70fd350a917b13d9c69b30394e7126477088ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling single-digit-rpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "8b1ac793a5e2acaddc17d08ece70fd350a917b13d9c69b30394e7126477088ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1ac793a5e2acaddc17d08ece70fd350a917b13d9c69b30394e7126477088ce", kill_on_drop: false }`
[INFO] [stdout] 8b1ac793a5e2acaddc17d08ece70fd350a917b13d9c69b30394e7126477088ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 3b6a0b86ab95508c2d4419faad7f19f05ac33249e967f19b68adf2cbd170325d
[INFO] running `Command { std: "docker" "start" "-a" "3b6a0b86ab95508c2d4419faad7f19f05ac33249e967f19b68adf2cbd170325d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/single_digit_rpn-ad199f58e22ba5a3)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test ast::tests::test_evaluate ... ok
[INFO] [stdout] test operator::tests::test_exec ... ok
[INFO] [stdout] test parser::tests::test_parse ... ok
[INFO] [stdout] test tests::test_rpn ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests single-digit-rpn
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - rpn (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b6a0b86ab95508c2d4419faad7f19f05ac33249e967f19b68adf2cbd170325d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6a0b86ab95508c2d4419faad7f19f05ac33249e967f19b68adf2cbd170325d", kill_on_drop: false }`
[INFO] [stdout] 3b6a0b86ab95508c2d4419faad7f19f05ac33249e967f19b68adf2cbd170325d