[INFO] cloning repository https://github.com/vancha/calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vancha/calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvancha%2Fcalculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvancha%2Fcalculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05696a948a8dcee81fd7a977f53faee2c5ddd3b0
[INFO] testing vancha/calculator against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvancha%2Fcalculator" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vancha/calculator on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vancha/calculator
[INFO] finished tweaking git repo https://github.com/vancha/calculator
[INFO] tweaked toml for git repo https://github.com/vancha/calculator written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/vancha/calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe189a0dc7c1219f48c43d8ea25d9d691a0948bd474900e33ad75e63b78b58c7
[INFO] running `Command { std: "docker" "start" "-a" "fe189a0dc7c1219f48c43d8ea25d9d691a0948bd474900e33ad75e63b78b58c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe189a0dc7c1219f48c43d8ea25d9d691a0948bd474900e33ad75e63b78b58c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe189a0dc7c1219f48c43d8ea25d9d691a0948bd474900e33ad75e63b78b58c7", kill_on_drop: false }`
[INFO] [stdout] fe189a0dc7c1219f48c43d8ea25d9d691a0948bd474900e33ad75e63b78b58c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e8072a2e5d2af22c20ed6242202a7397e082ab95ffcacaca1982bb5d1f5b520
[INFO] running `Command { std: "docker" "start" "-a" "7e8072a2e5d2af22c20ed6242202a7397e082ab95ffcacaca1982bb5d1f5b520", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling infixtopostfix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `evaluate_postfix_expression`
[INFO] [stdout]    --> src/lib.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn evaluate_postfix_expression<'a>(postfix: &[&'a str])->f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "7e8072a2e5d2af22c20ed6242202a7397e082ab95ffcacaca1982bb5d1f5b520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8072a2e5d2af22c20ed6242202a7397e082ab95ffcacaca1982bb5d1f5b520", kill_on_drop: false }`
[INFO] [stdout] 7e8072a2e5d2af22c20ed6242202a7397e082ab95ffcacaca1982bb5d1f5b520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35cefe5a3dbc0c85ff6b11e24a7cc8e425ca7b286693c9b6aaa696cd636f4c6b
[INFO] running `Command { std: "docker" "start" "-a" "35cefe5a3dbc0c85ff6b11e24a7cc8e425ca7b286693c9b6aaa696cd636f4c6b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: function is never used: `evaluate_postfix_expression`
[INFO] [stdout]    --> src/lib.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn evaluate_postfix_expression<'a>(postfix: &[&'a str])->f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling infixtopostfix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "35cefe5a3dbc0c85ff6b11e24a7cc8e425ca7b286693c9b6aaa696cd636f4c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cefe5a3dbc0c85ff6b11e24a7cc8e425ca7b286693c9b6aaa696cd636f4c6b", kill_on_drop: false }`
[INFO] [stdout] 35cefe5a3dbc0c85ff6b11e24a7cc8e425ca7b286693c9b6aaa696cd636f4c6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4b2fbf3e5e14cf19d17ac1cc305708b8322c5b26ecb5a86a22edba014a9fdb6
[INFO] running `Command { std: "docker" "start" "-a" "b4b2fbf3e5e14cf19d17ac1cc305708b8322c5b26ecb5a86a22edba014a9fdb6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `evaluate_postfix_expression`
[INFO] [stderr]    --> src/lib.rs:210:4
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn evaluate_postfix_expression<'a>(postfix: &[&'a str])->f64 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `infixtopostfix` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/infixtopostfix-f1736f19c753c1e9)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::parenthesis_work ... ok
[INFO] [stderr]    Doc-tests infixtopostfix
[INFO] [stdout] test tests::evaluation_with_multiple_operands_works ... ok
[INFO] [stdout] test tests::nested_parenthesis_work ... ok
[INFO] [stdout] test tests::evalutation_works ... ok
[INFO] [stdout] test tests::basics_work ... ok
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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 - infix_to_postfix (line 136) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4b2fbf3e5e14cf19d17ac1cc305708b8322c5b26ecb5a86a22edba014a9fdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b2fbf3e5e14cf19d17ac1cc305708b8322c5b26ecb5a86a22edba014a9fdb6", kill_on_drop: false }`
[INFO] [stdout] b4b2fbf3e5e14cf19d17ac1cc305708b8322c5b26ecb5a86a22edba014a9fdb6