[INFO] fetching crate single-digit-rpn 0.1.0...
[INFO] testing single-digit-rpn-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate single-digit-rpn 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate single-digit-rpn 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 225d2ae55bc3a5a5f2e8b879b29276cbbee9f95188caba9b4c9bf7c44743cc2f
[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" "225d2ae55bc3a5a5f2e8b879b29276cbbee9f95188caba9b4c9bf7c44743cc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "225d2ae55bc3a5a5f2e8b879b29276cbbee9f95188caba9b4c9bf7c44743cc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "225d2ae55bc3a5a5f2e8b879b29276cbbee9f95188caba9b4c9bf7c44743cc2f", kill_on_drop: false }`
[INFO] [stdout] 225d2ae55bc3a5a5f2e8b879b29276cbbee9f95188caba9b4c9bf7c44743cc2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63c298c18203fbceaf98ea4357855881a6827dbd240a86de438750a0e9e871d5
[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" "63c298c18203fbceaf98ea4357855881a6827dbd240a86de438750a0e9e871d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling single-digit-rpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "63c298c18203fbceaf98ea4357855881a6827dbd240a86de438750a0e9e871d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c298c18203fbceaf98ea4357855881a6827dbd240a86de438750a0e9e871d5", kill_on_drop: false }`
[INFO] [stdout] 63c298c18203fbceaf98ea4357855881a6827dbd240a86de438750a0e9e871d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] a918d9b2a7472002b222a4711b1e5e74eac87d8d3c86baf498e6c65b0bdffa77
[INFO] running `Command { std: "docker" "start" "-a" "a918d9b2a7472002b222a4711b1e5e74eac87d8d3c86baf498e6c65b0bdffa77", 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 2.00s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/single_digit_rpn-28c706d3ebeba4b6)
[INFO] running `Command { std: "docker" "inspect" "a918d9b2a7472002b222a4711b1e5e74eac87d8d3c86baf498e6c65b0bdffa77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a918d9b2a7472002b222a4711b1e5e74eac87d8d3c86baf498e6c65b0bdffa77", kill_on_drop: false }`
[INFO] [stdout] a918d9b2a7472002b222a4711b1e5e74eac87d8d3c86baf498e6c65b0bdffa77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 8c75753f4f835515a0744e1a07783a32e37771a9e780259c16217049836cafd2
[INFO] running `Command { std: "docker" "start" "-a" "8c75753f4f835515a0744e1a07783a32e37771a9e780259c16217049836cafd2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/single_digit_rpn-28c706d3ebeba4b6)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test operator::tests::test_exec ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenize ... ok
[INFO] [stderr]    Doc-tests single-digit-rpn
[INFO] [stdout] test ast::tests::test_evaluate ... ok
[INFO] [stdout] test parser::tests::test_parse ... ok
[INFO] [stdout] test tests::test_rpn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c75753f4f835515a0744e1a07783a32e37771a9e780259c16217049836cafd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c75753f4f835515a0744e1a07783a32e37771a9e780259c16217049836cafd2", kill_on_drop: false }`
[INFO] [stdout] 8c75753f4f835515a0744e1a07783a32e37771a9e780259c16217049836cafd2