[INFO] cloning repository https://github.com/Callum-Irving/postfix-math-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Callum-Irving/postfix-math-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallum-Irving%2Fpostfix-math-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallum-Irving%2Fpostfix-math-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c8498df634b2358d89fed71762e4dfe049dbd05
[INFO] testing Callum-Irving/postfix-math-parser against 1.73.0 for beta-1.74-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallum-Irving%2Fpostfix-math-parser" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Callum-Irving/postfix-math-parser on toolchain 1.73.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Callum-Irving/postfix-math-parser
[INFO] finished tweaking git repo https://github.com/Callum-Irving/postfix-math-parser
[INFO] tweaked toml for git repo https://github.com/Callum-Irving/postfix-math-parser written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Callum-Irving/postfix-math-parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.2.0
[INFO] [stderr]   Downloaded rug v1.14.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a639a87f12d08223fc02c7bbe8a94ce0463958bee05290a96181a78158fe749
[INFO] running `Command { std: "docker" "start" "-a" "2a639a87f12d08223fc02c7bbe8a94ce0463958bee05290a96181a78158fe749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a639a87f12d08223fc02c7bbe8a94ce0463958bee05290a96181a78158fe749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a639a87f12d08223fc02c7bbe8a94ce0463958bee05290a96181a78158fe749", kill_on_drop: false }`
[INFO] [stdout] 2a639a87f12d08223fc02c7bbe8a94ce0463958bee05290a96181a78158fe749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6347f04e41adb71e7cc5a49c4e10cbce0bf239a66b5b12a5e08a9a1d7563e93f
[INFO] running `Command { std: "docker" "start" "-a" "6347f04e41adb71e7cc5a49c4e10cbce0bf239a66b5b12a5e08a9a1d7563e93f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling rug v1.14.0
[INFO] [stderr]    Compiling postfix_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `MultipleVariableDef` is never constructed
[INFO] [stdout]    --> src/interpreter.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub enum CalcError {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 135 |     MultipleVariableDef,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CalcError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 4m 59s
[INFO] running `Command { std: "docker" "inspect" "6347f04e41adb71e7cc5a49c4e10cbce0bf239a66b5b12a5e08a9a1d7563e93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6347f04e41adb71e7cc5a49c4e10cbce0bf239a66b5b12a5e08a9a1d7563e93f", kill_on_drop: false }`
[INFO] [stdout] 6347f04e41adb71e7cc5a49c4e10cbce0bf239a66b5b12a5e08a9a1d7563e93f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc0553d95fbb908392cde3669739e597e8292ec9446937344ef0c5e7567ad05
[INFO] running `Command { std: "docker" "start" "-a" "0fc0553d95fbb908392cde3669739e597e8292ec9446937344ef0c5e7567ad05", kill_on_drop: false }`
[INFO] [stderr]    Compiling postfix_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `MultipleVariableDef` is never constructed
[INFO] [stdout]    --> src/interpreter.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub enum CalcError {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 135 |     MultipleVariableDef,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CalcError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "0fc0553d95fbb908392cde3669739e597e8292ec9446937344ef0c5e7567ad05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc0553d95fbb908392cde3669739e597e8292ec9446937344ef0c5e7567ad05", kill_on_drop: false }`
[INFO] [stdout] 0fc0553d95fbb908392cde3669739e597e8292ec9446937344ef0c5e7567ad05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be3e4e5f2b78101d9788b3b791f986d3a58b9bba9b43f72f7092623624ea83c9
[INFO] running `Command { std: "docker" "start" "-a" "be3e4e5f2b78101d9788b3b791f986d3a58b9bba9b43f72f7092623624ea83c9", kill_on_drop: false }`
[INFO] [stderr] warning: variant `MultipleVariableDef` is never constructed
[INFO] [stderr]    --> src/interpreter.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 128 | pub enum CalcError {
[INFO] [stderr]     |          --------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 135 |     MultipleVariableDef,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CalcError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `postfix_calc` (bin "postfix_calc" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/postfix_calc-aa348182d2120163)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be3e4e5f2b78101d9788b3b791f986d3a58b9bba9b43f72f7092623624ea83c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3e4e5f2b78101d9788b3b791f986d3a58b9bba9b43f72f7092623624ea83c9", kill_on_drop: false }`
[INFO] [stdout] be3e4e5f2b78101d9788b3b791f986d3a58b9bba9b43f72f7092623624ea83c9