[INFO] crate rust-calculator 0.1.0 is already in cache
[INFO] extracting crate rust-calculator 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust-calculator/0.1.0
[INFO] extracting crate rust-calculator 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-calculator/0.1.0
[INFO] validating manifest of rust-calculator-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-calculator-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-calculator-0.1.0
[INFO] finished frobbing rust-calculator-0.1.0
[INFO] frobbed toml for rust-calculator-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust-calculator/0.1.0/Cargo.toml
[INFO] started frobbing rust-calculator-0.1.0
[INFO] finished frobbing rust-calculator-0.1.0
[INFO] frobbed toml for rust-calculator-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-calculator/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rust-calculator-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-calculator/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 49db3e0d0501e288c0bdd248f5aa9c2fa69657a6503bdd31d4fe64b26b73adae
[INFO] running `"docker" "start" "-a" "49db3e0d0501e288c0bdd248f5aa9c2fa69657a6503bdd31d4fe64b26b73adae"`
[INFO] [stderr]    Compiling rust-calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[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/parser/ast.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:40:20
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:58:19
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:77:19
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:78:20
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:96:19
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub base: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:97:23
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub exponent: Box<Node>
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:127:18
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:152:18
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:181:20
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub value: Box<Node>
[INFO] [stderr]     |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:25:43
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn parse(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:29:55
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn expr(&mut self, prec: usize) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:62:42
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn atom(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:110:50
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stderr]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:110:71
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:111:20
[INFO] [stderr]     |
[INFO] [stderr] 111 |             -> Box<ast::Node> {
[INFO] [stderr]     |                    ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:149:56
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stderr]     |                                                        ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:149:75
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:38:45
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 let expression_text = input.trim_right();
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "49db3e0d0501e288c0bdd248f5aa9c2fa69657a6503bdd31d4fe64b26b73adae"`
[INFO] running `"docker" "rm" "-f" "49db3e0d0501e288c0bdd248f5aa9c2fa69657a6503bdd31d4fe64b26b73adae"`
[INFO] [stdout] 49db3e0d0501e288c0bdd248f5aa9c2fa69657a6503bdd31d4fe64b26b73adae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-calculator/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 25a3f2a2cbafcb76c5bdcbd75397b1a882bb05a8d34419d62ba4b07b8e32b5b6
[INFO] running `"docker" "start" "-a" "25a3f2a2cbafcb76c5bdcbd75397b1a882bb05a8d34419d62ba4b07b8e32b5b6"`
[INFO] [stderr]    Compiling rust-calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[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/parser/ast.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:40:20
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:58:19
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:77:19
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:78:20
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:96:19
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub base: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:97:23
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub exponent: Box<Node>
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:127:18
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:152:18
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:181:20
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub value: Box<Node>
[INFO] [stderr]     |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:25:43
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn parse(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:29:55
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn expr(&mut self, prec: usize) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:62:42
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn atom(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:110:50
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stderr]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:110:71
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:111:20
[INFO] [stderr]     |
[INFO] [stderr] 111 |             -> Box<ast::Node> {
[INFO] [stderr]     |                    ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:149:56
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stderr]     |                                                        ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:149:75
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:38:45
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 let expression_text = input.trim_right();
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "25a3f2a2cbafcb76c5bdcbd75397b1a882bb05a8d34419d62ba4b07b8e32b5b6"`
[INFO] running `"docker" "rm" "-f" "25a3f2a2cbafcb76c5bdcbd75397b1a882bb05a8d34419d62ba4b07b8e32b5b6"`
[INFO] [stdout] 25a3f2a2cbafcb76c5bdcbd75397b1a882bb05a8d34419d62ba4b07b8e32b5b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-calculator/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c70173b75bcf624e20124c613bf9d4a1762fe1e8fe2289eb8b76e105324c0c28
[INFO] running `"docker" "start" "-a" "c70173b75bcf624e20124c613bf9d4a1762fe1e8fe2289eb8b76e105324c0c28"`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_calculator-f15869c872af01fd
[INFO] running `"docker" "inspect" "c70173b75bcf624e20124c613bf9d4a1762fe1e8fe2289eb8b76e105324c0c28"`
[INFO] running `"docker" "rm" "-f" "c70173b75bcf624e20124c613bf9d4a1762fe1e8fe2289eb8b76e105324c0c28"`
[INFO] [stdout] c70173b75bcf624e20124c613bf9d4a1762fe1e8fe2289eb8b76e105324c0c28