[INFO] fetching crate single-digit-rpn 0.1.0...
[INFO] testing single-digit-rpn-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate single-digit-rpn 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate single-digit-rpn 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+1.49.0" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 283801aba799bfc8eef06ec01e0e3206f1c3bebfcc5bd9939d9abf6bb1fe2418
[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" "283801aba799bfc8eef06ec01e0e3206f1c3bebfcc5bd9939d9abf6bb1fe2418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "283801aba799bfc8eef06ec01e0e3206f1c3bebfcc5bd9939d9abf6bb1fe2418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283801aba799bfc8eef06ec01e0e3206f1c3bebfcc5bd9939d9abf6bb1fe2418", kill_on_drop: false }`
[INFO] [stdout] 283801aba799bfc8eef06ec01e0e3206f1c3bebfcc5bd9939d9abf6bb1fe2418
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f163db2d0e7a21586a950397dd1f18433322a90882ca2438121d1ff3a4753be
[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" "8f163db2d0e7a21586a950397dd1f18433322a90882ca2438121d1ff3a4753be", 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 0.96s
[INFO] running `Command { std: "docker" "inspect" "8f163db2d0e7a21586a950397dd1f18433322a90882ca2438121d1ff3a4753be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f163db2d0e7a21586a950397dd1f18433322a90882ca2438121d1ff3a4753be", kill_on_drop: false }`
[INFO] [stdout] 8f163db2d0e7a21586a950397dd1f18433322a90882ca2438121d1ff3a4753be
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe10b315ce51bf32454cf229edb7fc68304d1e86b435c6a1bf3a6318be03d0ca
[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" "fe10b315ce51bf32454cf229edb7fc68304d1e86b435c6a1bf3a6318be03d0ca", 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 2.13s
[INFO] running `Command { std: "docker" "inspect" "fe10b315ce51bf32454cf229edb7fc68304d1e86b435c6a1bf3a6318be03d0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe10b315ce51bf32454cf229edb7fc68304d1e86b435c6a1bf3a6318be03d0ca", kill_on_drop: false }`
[INFO] [stdout] fe10b315ce51bf32454cf229edb7fc68304d1e86b435c6a1bf3a6318be03d0ca
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e70db328aee5f751aecaad28cb2ef276c05d2c396eb7b8fe4518ca74648efe55
[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" "e70db328aee5f751aecaad28cb2ef276c05d2c396eb7b8fe4518ca74648efe55", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/single_digit_rpn-89723e2e3547ea7b
[INFO] [stdout] running 5 tests
[INFO] [stdout] test operator::tests::test_exec ... ok
[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] test tokenizer::tests::test_tokenize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e70db328aee5f751aecaad28cb2ef276c05d2c396eb7b8fe4518ca74648efe55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70db328aee5f751aecaad28cb2ef276c05d2c396eb7b8fe4518ca74648efe55", kill_on_drop: false }`
[INFO] [stdout] e70db328aee5f751aecaad28cb2ef276c05d2c396eb7b8fe4518ca74648efe55