[INFO] cloning repository https://github.com/IgaguriMK/rust-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IgaguriMK/rust-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgaguriMK%2Frust-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgaguriMK%2Frust-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdf4c0c9ee9c412039ef2d1930545450592dac68
[INFO] checking IgaguriMK/rust-calculator against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgaguriMK%2Frust-calculator" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IgaguriMK/rust-calculator on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IgaguriMK/rust-calculator
[INFO] finished tweaking git repo https://github.com/IgaguriMK/rust-calculator
[INFO] tweaked toml for git repo https://github.com/IgaguriMK/rust-calculator written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/IgaguriMK/rust-calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", 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] 65ffc67217602c8dcced77d918a79adccfc146ba01a3f118ec307aab8ac2684e
[INFO] running `Command { std: "docker" "start" "-a" "65ffc67217602c8dcced77d918a79adccfc146ba01a3f118ec307aab8ac2684e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65ffc67217602c8dcced77d918a79adccfc146ba01a3f118ec307aab8ac2684e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ffc67217602c8dcced77d918a79adccfc146ba01a3f118ec307aab8ac2684e", kill_on_drop: false }`
[INFO] [stdout] 65ffc67217602c8dcced77d918a79adccfc146ba01a3f118ec307aab8ac2684e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 130a870c54843e5cb5ef79afc0e93a5c23b233288b8b599ccf7873c7ebb8b995
[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" "130a870c54843e5cb5ef79afc0e93a5c23b233288b8b599ccf7873c7ebb8b995", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking rcalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expression/error.rs:65:32
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expression/token/error.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/execute/error.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expression/error.rs:65:32
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expression/token/error.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/execute/error.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/expression/token/mod.rs:57:1
[INFO] [stdout]     |
[INFO] [stdout] 57  | / lazy_static! {
[INFO] [stdout] 58  | |     static ref REG_SPACE: Regex = {
[INFO] [stdout] 59  | |         Regex::new(r"^[ \t]+").unwrap()
[INFO] [stdout] 60  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     };
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:34:43
[INFO] [stdout]    |
[INFO] [stdout] 34 |             CalcError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:35:46
[INFO] [stdout]    |
[INFO] [stdout] 35 |             CalcError::Token(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:36:46
[INFO] [stdout]    |
[INFO] [stdout] 36 |             CalcError::Parse(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |             CalcError::Execute(ref err) => err.description(),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:34:43
[INFO] [stdout]    |
[INFO] [stdout] 34 |             CalcError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:35:46
[INFO] [stdout]    |
[INFO] [stdout] 35 |             CalcError::Token(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:36:46
[INFO] [stdout]    |
[INFO] [stdout] 36 |             CalcError::Parse(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |             CalcError::Execute(ref err) => err.description(),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "130a870c54843e5cb5ef79afc0e93a5c23b233288b8b599ccf7873c7ebb8b995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130a870c54843e5cb5ef79afc0e93a5c23b233288b8b599ccf7873c7ebb8b995", kill_on_drop: false }`
[INFO] [stdout] 130a870c54843e5cb5ef79afc0e93a5c23b233288b8b599ccf7873c7ebb8b995