[INFO] updating cached repository https://github.com/Bravo555/math-parser-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef85e5538ba640f786a5ac503aef91892f2d6a0b
[INFO] testing Bravo555/math-parser-rs against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fmath-parser-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bravo555/math-parser-rs on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bravo555/math-parser-rs
[INFO] finished tweaking git repo https://github.com/Bravo555/math-parser-rs
[INFO] tweaked toml for git repo https://github.com/Bravo555/math-parser-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bravo555/math-parser-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ff21224829f2eccc2fd7dddc6480d90103e5ea42f28e3dc9684fb2891e61c25
[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" "4ff21224829f2eccc2fd7dddc6480d90103e5ea42f28e3dc9684fb2891e61c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ff21224829f2eccc2fd7dddc6480d90103e5ea42f28e3dc9684fb2891e61c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff21224829f2eccc2fd7dddc6480d90103e5ea42f28e3dc9684fb2891e61c25", kill_on_drop: false }`
[INFO] [stdout] 4ff21224829f2eccc2fd7dddc6480d90103e5ea42f28e3dc9684fb2891e61c25
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--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] d1d51238c6898cc2b2a1d92ece8da82484223b2ad975a7e2c2926c7b0b274ffd
[INFO] running `Command { std: "docker" "start" "-a" "d1d51238c6898cc2b2a1d92ece8da82484223b2ad975a7e2c2926c7b0b274ffd", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-parser-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/token.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn parse_token(text: &str) -> Option<(Token, &str)> {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/token.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(text: &str) -> Tokens {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "d1d51238c6898cc2b2a1d92ece8da82484223b2ad975a7e2c2926c7b0b274ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d51238c6898cc2b2a1d92ece8da82484223b2ad975a7e2c2926c7b0b274ffd", kill_on_drop: false }`
[INFO] [stdout] d1d51238c6898cc2b2a1d92ece8da82484223b2ad975a7e2c2926c7b0b274ffd
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cabff04ec68099ace37b41079504c6048dc18db7b45e9cf69a71809b15e3f865
[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" "cabff04ec68099ace37b41079504c6048dc18db7b45e9cf69a71809b15e3f865", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-parser-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/token.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn parse_token(text: &str) -> Option<(Token, &str)> {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/token.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(text: &str) -> Tokens {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/token.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn parse_token(text: &str) -> Option<(Token, &str)> {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/token.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(text: &str) -> Tokens {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "cabff04ec68099ace37b41079504c6048dc18db7b45e9cf69a71809b15e3f865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabff04ec68099ace37b41079504c6048dc18db7b45e9cf69a71809b15e3f865", kill_on_drop: false }`
[INFO] [stdout] cabff04ec68099ace37b41079504c6048dc18db7b45e9cf69a71809b15e3f865
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 410d72cd6469c17dc52f4beae734968d060c554b50340f624d232b9d69fecadf
[INFO] running `Command { std: "docker" "start" "-a" "410d72cd6469c17dc52f4beae734968d060c554b50340f624d232b9d69fecadf", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/token.rs:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn parse_token(text: &str) -> Option<(Token, &str)> {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/token.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(text: &str) -> Tokens {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/token.rs:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn parse_token(text: &str) -> Option<(Token, &str)> {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/token.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(text: &str) -> Tokens {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/math_parser-ce3a8c6efd7b6a13
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test syntax_tree::tests::ast_two_plus_two ... ok
[INFO] [stdout] test syntax_tree::tests::errors_for_too_much_values ... ok
[INFO] [stdout] test token::tests::handle_whitespace ... ok
[INFO] [stdout] test syntax_tree::tests::errors_for_too_much_operators ... ok
[INFO] [stdout] test token::tests::space_separated_tokens ... ok
[INFO] [stdout] test syntax_tree::tests::test_left_associativity_operators ... ok
[INFO] [stdout] test token::tests::multi_integer_numbers ... ok
[INFO] [stdout] test token::tests::two_plus_two ... ok
[INFO] [stdout] test token::tests::works_for_not_space_separated_input ... ok
[INFO] [stdout] test syntax_tree::tests::ast_two_plus_two_plus_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/math_parser_rs-761d28a15ac9f1eb
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests math_parser
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "410d72cd6469c17dc52f4beae734968d060c554b50340f624d232b9d69fecadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410d72cd6469c17dc52f4beae734968d060c554b50340f624d232b9d69fecadf", kill_on_drop: false }`
[INFO] [stdout] 410d72cd6469c17dc52f4beae734968d060c554b50340f624d232b9d69fecadf