[INFO] updating cached repository https://github.com/owtotwo/Simple-Calculator
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a39a3ac091f43aa037e186183e00d67359a25ba3
[INFO] testing owtotwo/Simple-Calculator against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowtotwo%2FSimple-Calculator" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/owtotwo/Simple-Calculator on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/owtotwo/Simple-Calculator
[INFO] finished tweaking git repo https://github.com/owtotwo/Simple-Calculator
[INFO] tweaked toml for git repo https://github.com/owtotwo/Simple-Calculator written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/owtotwo/Simple-Calculator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 269f7daf070ec05d032caeb2e06a7e6a38ffbc472bf693f2662839b619b8593e
[INFO] running `"docker" "start" "-a" "269f7daf070ec05d032caeb2e06a7e6a38ffbc472bf693f2662839b619b8593e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calculator/expr/mod.rs:14:45
[INFO] [stderr]    |
[INFO] [stderr] 14 | type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calculator/mod.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 | type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calculator/mod.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:46:50
[INFO] [stderr]    |
[INFO] [stderr] 46 |             CalculatorError::IOError(ref e) => e.description(),
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:75:35
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     self.disp(why.description(), true);
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:90:35
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     self.disp(why.description(), true);
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:99:35
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     self.disp(why.description(), true);
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/calculator/mod.rs:128:27
[INFO] [stderr]     |
[INFO] [stderr] 128 |             if dirty_expr.trim_right().len() == 0 {
[INFO] [stderr]     |                           ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/mod.rs:33:41
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut rest_of_expr = raw_expr.trim_left();
[INFO] [stderr]    |                                         ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/error.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 self.description().fmt(f)
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 | impl_display_for_error!(EvalError);
[INFO] [stderr]    | ----------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/error.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |                   self.description().fmt(f)
[INFO] [stderr]    |                        ^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/calculator/expr/operator.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | / new_error_type!(
[INFO] [stderr] 45 | |     ParseOperatorError,
[INFO] [stderr] 46 | |     "expect '+', '-', '*', '/', '(' or ')'"
[INFO] [stderr] 47 | | );
[INFO] [stderr]    | |__- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/error.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 self.description().fmt(f)
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/calculator/expr/factor.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | new_error_type!(ParseFactorError);
[INFO] [stderr]    | ---------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/operator.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 |         match raw_expr.trim_left() {
[INFO] [stderr]    |                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/term.rs:24:41
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut rest_of_expr = raw_term.trim_left();
[INFO] [stderr]    |                                         ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/factor.rs:21:43
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut rest_of_expr = raw_factor.trim_left();
[INFO] [stderr]    |                                           ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/integer.rs:13:40
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let mut rest_of_expr = raw_int.trim_left();
[INFO] [stderr]    |                                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/integer.rs:97:14
[INFO] [stderr]    |
[INFO] [stderr] 97 |         self.description().fmt(f)
[INFO] [stderr]    |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `"docker" "inspect" "269f7daf070ec05d032caeb2e06a7e6a38ffbc472bf693f2662839b619b8593e"`
[INFO] running `"docker" "rm" "-f" "269f7daf070ec05d032caeb2e06a7e6a38ffbc472bf693f2662839b619b8593e"`
[INFO] [stdout] 269f7daf070ec05d032caeb2e06a7e6a38ffbc472bf693f2662839b619b8593e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 738049fe475d4f0297ddfe327b7c2dbdd2ead3fa64275d83cdd535995cdcdc97
[INFO] running `"docker" "start" "-a" "738049fe475d4f0297ddfe327b7c2dbdd2ead3fa64275d83cdd535995cdcdc97"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calculator/expr/mod.rs:14:45
[INFO] [stderr]    |
[INFO] [stderr] 14 | type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calculator/mod.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 | type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calculator/mod.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:46:50
[INFO] [stderr]    |
[INFO] [stderr] 46 |             CalculatorError::IOError(ref e) => e.description(),
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:75:35
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     self.disp(why.description(), true);
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:90:35
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     self.disp(why.description(), true);
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:99:35
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     self.disp(why.description(), true);
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/calculator/mod.rs:128:27
[INFO] [stderr]     |
[INFO] [stderr] 128 |             if dirty_expr.trim_right().len() == 0 {
[INFO] [stderr]     |                           ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/mod.rs:33:41
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut rest_of_expr = raw_expr.trim_left();
[INFO] [stderr]    |                                         ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/error.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 self.description().fmt(f)
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 | impl_display_for_error!(EvalError);
[INFO] [stderr]    | ----------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/error.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |                   self.description().fmt(f)
[INFO] [stderr]    |                        ^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/calculator/expr/operator.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | / new_error_type!(
[INFO] [stderr] 45 | |     ParseOperatorError,
[INFO] [stderr] 46 | |     "expect '+', '-', '*', '/', '(' or ')'"
[INFO] [stderr] 47 | | );
[INFO] [stderr]    | |__- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/error.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 self.description().fmt(f)
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/calculator/expr/factor.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | new_error_type!(ParseFactorError);
[INFO] [stderr]    | ---------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/operator.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 |         match raw_expr.trim_left() {
[INFO] [stderr]    |                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/term.rs:24:41
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut rest_of_expr = raw_term.trim_left();
[INFO] [stderr]    |                                         ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/factor.rs:21:43
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut rest_of_expr = raw_factor.trim_left();
[INFO] [stderr]    |                                           ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/integer.rs:13:40
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let mut rest_of_expr = raw_int.trim_left();
[INFO] [stderr]    |                                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/integer.rs:97:14
[INFO] [stderr]    |
[INFO] [stderr] 97 |         self.description().fmt(f)
[INFO] [stderr]    |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "738049fe475d4f0297ddfe327b7c2dbdd2ead3fa64275d83cdd535995cdcdc97"`
[INFO] running `"docker" "rm" "-f" "738049fe475d4f0297ddfe327b7c2dbdd2ead3fa64275d83cdd535995cdcdc97"`
[INFO] [stdout] 738049fe475d4f0297ddfe327b7c2dbdd2ead3fa64275d83cdd535995cdcdc97
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 722615071f2a2b69b991e7c6910468b9ad1d2f897a93825816ba138f390ede7d
[INFO] running `"docker" "start" "-a" "722615071f2a2b69b991e7c6910468b9ad1d2f897a93825816ba138f390ede7d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calculator/expr/mod.rs:14:45
[INFO] [stderr]    |
[INFO] [stderr] 14 | type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calculator/mod.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 | type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calculator/mod.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:46:50
[INFO] [stderr]    |
[INFO] [stderr] 46 |             CalculatorError::IOError(ref e) => e.description(),
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:75:35
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     self.disp(why.description(), true);
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:90:35
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     self.disp(why.description(), true);
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/mod.rs:99:35
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     self.disp(why.description(), true);
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/calculator/mod.rs:128:27
[INFO] [stderr]     |
[INFO] [stderr] 128 |             if dirty_expr.trim_right().len() == 0 {
[INFO] [stderr]     |                           ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/mod.rs:33:41
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut rest_of_expr = raw_expr.trim_left();
[INFO] [stderr]    |                                         ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/error.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 self.description().fmt(f)
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 | impl_display_for_error!(EvalError);
[INFO] [stderr]    | ----------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/error.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |                   self.description().fmt(f)
[INFO] [stderr]    |                        ^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/calculator/expr/operator.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | / new_error_type!(
[INFO] [stderr] 45 | |     ParseOperatorError,
[INFO] [stderr] 46 | |     "expect '+', '-', '*', '/', '(' or ')'"
[INFO] [stderr] 47 | | );
[INFO] [stderr]    | |__- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/error.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 self.description().fmt(f)
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/calculator/expr/factor.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | new_error_type!(ParseFactorError);
[INFO] [stderr]    | ---------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/operator.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 |         match raw_expr.trim_left() {
[INFO] [stderr]    |                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/term.rs:24:41
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut rest_of_expr = raw_term.trim_left();
[INFO] [stderr]    |                                         ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/factor.rs:21:43
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut rest_of_expr = raw_factor.trim_left();
[INFO] [stderr]    |                                           ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/calculator/expr/integer.rs:13:40
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let mut rest_of_expr = raw_int.trim_left();
[INFO] [stderr]    |                                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/calculator/expr/integer.rs:97:14
[INFO] [stderr]    |
[INFO] [stderr] 97 |         self.description().fmt(f)
[INFO] [stderr]    |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/calculator-99cdf997ce159463
[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 `"docker" "inspect" "722615071f2a2b69b991e7c6910468b9ad1d2f897a93825816ba138f390ede7d"`
[INFO] running `"docker" "rm" "-f" "722615071f2a2b69b991e7c6910468b9ad1d2f897a93825816ba138f390ede7d"`
[INFO] [stdout] 722615071f2a2b69b991e7c6910468b9ad1d2f897a93825816ba138f390ede7d