[INFO] fetching crate rpn_calc 0.1.1...
[INFO] testing rpn_calc-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rpn_calc 0.1.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate rpn_calc 0.1.1 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 rpn_calc 0.1.1
[INFO] finished tweaking crates.io crate rpn_calc 0.1.1
[INFO] tweaked toml for crates.io crate rpn_calc 0.1.1 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 690cc564e7aa0939e17f3adc6b8f64de0a832d10e50731b941a9acbfe4527b64
[INFO] running `Command { std: "docker" "start" "-a" "690cc564e7aa0939e17f3adc6b8f64de0a832d10e50731b941a9acbfe4527b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "690cc564e7aa0939e17f3adc6b8f64de0a832d10e50731b941a9acbfe4527b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690cc564e7aa0939e17f3adc6b8f64de0a832d10e50731b941a9acbfe4527b64", kill_on_drop: false }`
[INFO] [stdout] 690cc564e7aa0939e17f3adc6b8f64de0a832d10e50731b941a9acbfe4527b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea098ef7139e2df4781ee5d3c10fad3bf6d2cfd7d476b2356d0619dc0a8bbd6c
[INFO] running `Command { std: "docker" "start" "-a" "ea098ef7139e2df4781ee5d3c10fad3bf6d2cfd7d476b2356d0619dc0a8bbd6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rpn_calc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "ea098ef7139e2df4781ee5d3c10fad3bf6d2cfd7d476b2356d0619dc0a8bbd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea098ef7139e2df4781ee5d3c10fad3bf6d2cfd7d476b2356d0619dc0a8bbd6c", kill_on_drop: false }`
[INFO] [stdout] ea098ef7139e2df4781ee5d3c10fad3bf6d2cfd7d476b2356d0619dc0a8bbd6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a686e6a27e90803b6b76e2443d4fa9840551155d0045ba36c153c3e7dbd34bfb
[INFO] running `Command { std: "docker" "start" "-a" "a686e6a27e90803b6b76e2443d4fa9840551155d0045ba36c153c3e7dbd34bfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpn_calc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rpn_calc-b50ac4ad57478fa7)
[INFO] running `Command { std: "docker" "inspect" "a686e6a27e90803b6b76e2443d4fa9840551155d0045ba36c153c3e7dbd34bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a686e6a27e90803b6b76e2443d4fa9840551155d0045ba36c153c3e7dbd34bfb", kill_on_drop: false }`
[INFO] [stdout] a686e6a27e90803b6b76e2443d4fa9840551155d0045ba36c153c3e7dbd34bfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92af183259bc8cef1bff6a8f2fbaa872e73afe94cd1a5147c1d4eb9b1e5f884a
[INFO] running `Command { std: "docker" "start" "-a" "92af183259bc8cef1bff6a8f2fbaa872e73afe94cd1a5147c1d4eb9b1e5f884a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rpn_calc-b50ac4ad57478fa7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests rpn_calc
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92af183259bc8cef1bff6a8f2fbaa872e73afe94cd1a5147c1d4eb9b1e5f884a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92af183259bc8cef1bff6a8f2fbaa872e73afe94cd1a5147c1d4eb9b1e5f884a", kill_on_drop: false }`
[INFO] [stdout] 92af183259bc8cef1bff6a8f2fbaa872e73afe94cd1a5147c1d4eb9b1e5f884a