[INFO] fetching crate caldyn 0.4.3...
[INFO] testing caldyn-0.4.3 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate caldyn 0.4.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate caldyn 0.4.3 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caldyn 0.4.3
[INFO] finished tweaking crates.io crate caldyn 0.4.3
[INFO] tweaked toml for crates.io crate caldyn 0.4.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 48955ca0c96268ff16deb7632e27b62d1f4a1bbd3ed2d545221cef2dc1713d12
[INFO] running `Command { std: "docker" "start" "-a" "48955ca0c96268ff16deb7632e27b62d1f4a1bbd3ed2d545221cef2dc1713d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48955ca0c96268ff16deb7632e27b62d1f4a1bbd3ed2d545221cef2dc1713d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48955ca0c96268ff16deb7632e27b62d1f4a1bbd3ed2d545221cef2dc1713d12", kill_on_drop: false }`
[INFO] [stdout] 48955ca0c96268ff16deb7632e27b62d1f4a1bbd3ed2d545221cef2dc1713d12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7894f6aa2faee1cc07b920926b85b08f66ce0039104bf5e0a929cfb37bdd6eb0
[INFO] running `Command { std: "docker" "start" "-a" "7894f6aa2faee1cc07b920926b85b08f66ce0039104bf5e0a929cfb37bdd6eb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling caldyn v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `match_same_arms`
[INFO] [stdout]   --> src/error.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[allow(match_same_arms)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |                         let args = Box::new(try!(Ast::from_tokens(tokens, " in function call")));
[INFO] [stdout]    |                                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:77:42
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     let right = Box::new(try!(Ast::from_tokens(tokens, " after operator")));
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     let left = Box::new(try!(Ast::from_tokens(tokens, " befor operator")));
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:103:49
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Ast::Add(ref left, ref right) => Ok(try!(left.eval(context)) + try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:103:76
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Ast::Add(ref left, ref right) => Ok(try!(left.eval(context)) + try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:104:49
[INFO] [stdout]     |
[INFO] [stdout] 104 |             Ast::Sub(ref left, ref right) => Ok(try!(left.eval(context)) - try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:104:76
[INFO] [stdout]     |
[INFO] [stdout] 104 |             Ast::Sub(ref left, ref right) => Ok(try!(left.eval(context)) - try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:105:49
[INFO] [stdout]     |
[INFO] [stdout] 105 |             Ast::Mul(ref left, ref right) => Ok(try!(left.eval(context)) * try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:105:76
[INFO] [stdout]     |
[INFO] [stdout] 105 |             Ast::Mul(ref left, ref right) => Ok(try!(left.eval(context)) * try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:106:49
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Ast::Div(ref left, ref right) => Ok(try!(left.eval(context)) / try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:106:76
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Ast::Div(ref left, ref right) => Ok(try!(left.eval(context)) / try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:107:49
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Ast::Exp(ref left, ref right) => Ok(try!(left.eval(context)).powf(try!(right.eval(context)))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:107:79
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Ast::Exp(ref left, ref right) => Ok(try!(left.eval(context)).powf(try!(right.eval(context)))),
[INFO] [stdout]     |                                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:108:57
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Ast::Function(ref func, ref arg) => Ok(func(try!(arg.eval(context)))),
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:221:42
[INFO] [stdout]     |
[INFO] [stdout] 221 |         'tokens: while let Some(token) = try!(lexer.next_token()) {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:278:19
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let ast = try!(Ast::from_tokens(&mut output, ""));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     query: Option<Box<Fn(&str) -> Option<f64> + 'a>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> Option<f64> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "7894f6aa2faee1cc07b920926b85b08f66ce0039104bf5e0a929cfb37bdd6eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7894f6aa2faee1cc07b920926b85b08f66ce0039104bf5e0a929cfb37bdd6eb0", kill_on_drop: false }`
[INFO] [stdout] 7894f6aa2faee1cc07b920926b85b08f66ce0039104bf5e0a929cfb37bdd6eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92ff2ca4f41a523de6dc7754c34f37a807aca6154a9829b23b6156e10a1fb175
[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" "92ff2ca4f41a523de6dc7754c34f37a807aca6154a9829b23b6156e10a1fb175", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stdout] warning: unknown lint: `match_same_arms`
[INFO] [stdout]   --> src/error.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[allow(match_same_arms)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |                         let args = Box::new(try!(Ast::from_tokens(tokens, " in function call")));
[INFO] [stdout]    |                                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:77:42
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     let right = Box::new(try!(Ast::from_tokens(tokens, " after operator")));
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     let left = Box::new(try!(Ast::from_tokens(tokens, " befor operator")));
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:103:49
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Ast::Add(ref left, ref right) => Ok(try!(left.eval(context)) + try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:103:76
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Ast::Add(ref left, ref right) => Ok(try!(left.eval(context)) + try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:104:49
[INFO] [stdout]     |
[INFO] [stdout] 104 |             Ast::Sub(ref left, ref right) => Ok(try!(left.eval(context)) - try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:104:76
[INFO] [stdout]     |
[INFO] [stdout] 104 |             Ast::Sub(ref left, ref right) => Ok(try!(left.eval(context)) - try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:105:49
[INFO] [stdout]     |
[INFO] [stdout] 105 |             Ast::Mul(ref left, ref right) => Ok(try!(left.eval(context)) * try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:105:76
[INFO] [stdout]     |
[INFO] [stdout] 105 |             Ast::Mul(ref left, ref right) => Ok(try!(left.eval(context)) * try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:106:49
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Ast::Div(ref left, ref right) => Ok(try!(left.eval(context)) / try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:106:76
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Ast::Div(ref left, ref right) => Ok(try!(left.eval(context)) / try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:107:49
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Ast::Exp(ref left, ref right) => Ok(try!(left.eval(context)).powf(try!(right.eval(context)))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:107:79
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Ast::Exp(ref left, ref right) => Ok(try!(left.eval(context)).powf(try!(right.eval(context)))),
[INFO] [stdout]     |                                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:108:57
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Ast::Function(ref func, ref arg) => Ok(func(try!(arg.eval(context)))),
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:221:42
[INFO] [stdout]     |
[INFO] [stdout] 221 |         'tokens: while let Some(token) = try!(lexer.next_token()) {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:278:19
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let ast = try!(Ast::from_tokens(&mut output, ""));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     query: Option<Box<Fn(&str) -> Option<f64> + 'a>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> Option<f64> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling shellexpand v1.1.1
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling caldyn v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `match_same_arms`
[INFO] [stdout]   --> src/error.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[allow(match_same_arms)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |                         let args = Box::new(try!(Ast::from_tokens(tokens, " in function call")));
[INFO] [stdout]    |                                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:77:42
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     let right = Box::new(try!(Ast::from_tokens(tokens, " after operator")));
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     let left = Box::new(try!(Ast::from_tokens(tokens, " befor operator")));
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:103:49
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Ast::Add(ref left, ref right) => Ok(try!(left.eval(context)) + try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:103:76
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Ast::Add(ref left, ref right) => Ok(try!(left.eval(context)) + try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:104:49
[INFO] [stdout]     |
[INFO] [stdout] 104 |             Ast::Sub(ref left, ref right) => Ok(try!(left.eval(context)) - try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:104:76
[INFO] [stdout]     |
[INFO] [stdout] 104 |             Ast::Sub(ref left, ref right) => Ok(try!(left.eval(context)) - try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:105:49
[INFO] [stdout]     |
[INFO] [stdout] 105 |             Ast::Mul(ref left, ref right) => Ok(try!(left.eval(context)) * try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:105:76
[INFO] [stdout]     |
[INFO] [stdout] 105 |             Ast::Mul(ref left, ref right) => Ok(try!(left.eval(context)) * try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:106:49
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Ast::Div(ref left, ref right) => Ok(try!(left.eval(context)) / try!(right.eval(context))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:106:76
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Ast::Div(ref left, ref right) => Ok(try!(left.eval(context)) / try!(right.eval(context))),
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:107:49
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Ast::Exp(ref left, ref right) => Ok(try!(left.eval(context)).powf(try!(right.eval(context)))),
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:107:79
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Ast::Exp(ref left, ref right) => Ok(try!(left.eval(context)).powf(try!(right.eval(context)))),
[INFO] [stdout]     |                                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:108:57
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Ast::Function(ref func, ref arg) => Ok(func(try!(arg.eval(context)))),
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:221:42
[INFO] [stdout]     |
[INFO] [stdout] 221 |         'tokens: while let Some(token) = try!(lexer.next_token()) {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:278:19
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let ast = try!(Ast::from_tokens(&mut output, ""));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     query: Option<Box<Fn(&str) -> Option<f64> + 'a>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> Option<f64> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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/expr.rs:585:42
[INFO] [stdout]     |
[INFO] [stdout] 585 |         assert_eq!(result.err().unwrap().description(), "name 'z' is not defined");
[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/expr.rs:587:42
[INFO] [stdout]     |
[INFO] [stdout] 587 |         assert_eq!(result.err().unwrap().description(), "name 'a' is not defined");
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "92ff2ca4f41a523de6dc7754c34f37a807aca6154a9829b23b6156e10a1fb175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ff2ca4f41a523de6dc7754c34f37a807aca6154a9829b23b6156e10a1fb175", kill_on_drop: false }`
[INFO] [stdout] 92ff2ca4f41a523de6dc7754c34f37a807aca6154a9829b23b6156e10a1fb175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ac75c3bc08fa3737ee4a070dfdfa368c20a016b20978b29da5d4c18893a7eeb
[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" "1ac75c3bc08fa3737ee4a070dfdfa368c20a016b20978b29da5d4c18893a7eeb", kill_on_drop: false }`
[INFO] [stderr] warning: unknown lint: `match_same_arms`
[INFO] [stderr]   --> src/error.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[allow(match_same_arms)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:66:45
[INFO] [stderr]    |
[INFO] [stderr] 66 |                         let args = Box::new(try!(Ast::from_tokens(tokens, " in function call")));
[INFO] [stderr]    |                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:77:42
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     let right = Box::new(try!(Ast::from_tokens(tokens, " after operator")));
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:78:41
[INFO] [stderr]    |
[INFO] [stderr] 78 |                     let left = Box::new(try!(Ast::from_tokens(tokens, " befor operator")));
[INFO] [stderr]    |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:103:49
[INFO] [stderr]     |
[INFO] [stderr] 103 |             Ast::Add(ref left, ref right) => Ok(try!(left.eval(context)) + try!(right.eval(context))),
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:103:76
[INFO] [stderr]     |
[INFO] [stderr] 103 |             Ast::Add(ref left, ref right) => Ok(try!(left.eval(context)) + try!(right.eval(context))),
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:104:49
[INFO] [stderr]     |
[INFO] [stderr] 104 |             Ast::Sub(ref left, ref right) => Ok(try!(left.eval(context)) - try!(right.eval(context))),
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:104:76
[INFO] [stderr]     |
[INFO] [stderr] 104 |             Ast::Sub(ref left, ref right) => Ok(try!(left.eval(context)) - try!(right.eval(context))),
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:105:49
[INFO] [stderr]     |
[INFO] [stderr] 105 |             Ast::Mul(ref left, ref right) => Ok(try!(left.eval(context)) * try!(right.eval(context))),
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:105:76
[INFO] [stderr]     |
[INFO] [stderr] 105 |             Ast::Mul(ref left, ref right) => Ok(try!(left.eval(context)) * try!(right.eval(context))),
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:106:49
[INFO] [stderr]     |
[INFO] [stderr] 106 |             Ast::Div(ref left, ref right) => Ok(try!(left.eval(context)) / try!(right.eval(context))),
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:106:76
[INFO] [stderr]     |
[INFO] [stderr] 106 |             Ast::Div(ref left, ref right) => Ok(try!(left.eval(context)) / try!(right.eval(context))),
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:107:49
[INFO] [stderr]     |
[INFO] [stderr] 107 |             Ast::Exp(ref left, ref right) => Ok(try!(left.eval(context)).powf(try!(right.eval(context)))),
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:107:79
[INFO] [stderr]     |
[INFO] [stderr] 107 |             Ast::Exp(ref left, ref right) => Ok(try!(left.eval(context)).powf(try!(right.eval(context)))),
[INFO] [stderr]     |                                                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:108:57
[INFO] [stderr]     |
[INFO] [stderr] 108 |             Ast::Function(ref func, ref arg) => Ok(func(try!(arg.eval(context)))),
[INFO] [stderr]     |                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:221:42
[INFO] [stderr]     |
[INFO] [stderr] 221 |         'tokens: while let Some(token) = try!(lexer.next_token()) {
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:278:19
[INFO] [stderr]     |
[INFO] [stderr] 278 |         let ast = try!(Ast::from_tokens(&mut output, ""));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |     query: Option<Box<Fn(&str) -> Option<f64> + 'a>>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> Option<f64> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `match_same_arms`
[INFO] [stderr]   --> src/error.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[allow(match_same_arms)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:66:45
[INFO] [stderr]    |
[INFO] [stderr] 66 |                         let args = Box::new(try!(Ast::from_tokens(tokens, " in function call")));
[INFO] [stderr]    |                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:77:42
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     let right = Box::new(try!(Ast::from_tokens(tokens, " after operator")));
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:78:41
[INFO] [stderr]    |
[INFO] [stderr] 78 |                     let left = Box::new(try!(Ast::from_tokens(tokens, " befor operator")));
[INFO] [stderr]    |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:103:49
[INFO] [stderr]     |
[INFO] [stderr] 103 |             Ast::Add(ref left, ref right) => Ok(try!(left.eval(context)) + try!(right.eval(context))),
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:103:76
[INFO] [stderr]     |
[INFO] [stderr] 103 |             Ast::Add(ref left, ref right) => Ok(try!(left.eval(context)) + try!(right.eval(context))),
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:104:49
[INFO] [stderr]     |
[INFO] [stderr] 104 |             Ast::Sub(ref left, ref right) => Ok(try!(left.eval(context)) - try!(right.eval(context))),
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:104:76
[INFO] [stderr]     |
[INFO] [stderr] 104 |             Ast::Sub(ref left, ref right) => Ok(try!(left.eval(context)) - try!(right.eval(context))),
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:105:49
[INFO] [stderr]     |
[INFO] [stderr] 105 |             Ast::Mul(ref left, ref right) => Ok(try!(left.eval(context)) * try!(right.eval(context))),
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:105:76
[INFO] [stderr]     |
[INFO] [stderr] 105 |             Ast::Mul(ref left, ref right) => Ok(try!(left.eval(context)) * try!(right.eval(context))),
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:106:49
[INFO] [stderr]     |
[INFO] [stderr] 106 |             Ast::Div(ref left, ref right) => Ok(try!(left.eval(context)) / try!(right.eval(context))),
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:106:76
[INFO] [stderr]     |
[INFO] [stderr] 106 |             Ast::Div(ref left, ref right) => Ok(try!(left.eval(context)) / try!(right.eval(context))),
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:107:49
[INFO] [stderr]     |
[INFO] [stderr] 107 |             Ast::Exp(ref left, ref right) => Ok(try!(left.eval(context)).powf(try!(right.eval(context)))),
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:107:79
[INFO] [stderr]     |
[INFO] [stderr] 107 |             Ast::Exp(ref left, ref right) => Ok(try!(left.eval(context)).powf(try!(right.eval(context)))),
[INFO] [stderr]     |                                                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:108:57
[INFO] [stderr]     |
[INFO] [stderr] 108 |             Ast::Function(ref func, ref arg) => Ok(func(try!(arg.eval(context)))),
[INFO] [stderr]     |                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:221:42
[INFO] [stderr]     |
[INFO] [stderr] 221 |         'tokens: while let Some(token) = try!(lexer.next_token()) {
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:278:19
[INFO] [stderr]     |
[INFO] [stderr] 278 |         let ast = try!(Ast::from_tokens(&mut output, ""));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |     query: Option<Box<Fn(&str) -> Option<f64> + 'a>>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> Option<f64> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/expr.rs:585:42
[INFO] [stderr]     |
[INFO] [stderr] 585 |         assert_eq!(result.err().unwrap().description(), "name 'z' is not defined");
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/expr.rs:587:42
[INFO] [stderr]     |
[INFO] [stderr] 587 |         assert_eq!(result.err().unwrap().description(), "name 'a' is not defined");
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/caldyn-84ef252a6165b3da)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test expr::tests::values ... ok
[INFO] [stdout] test expr::tests::optimize ... ok
[INFO] [stdout] test expr::tests::idents ... ok
[INFO] [stdout] test context::tests::variables ... ok
[INFO] [stdout] test expr::tests::parse ... ok
[INFO] [stdout] test expr::tests::eval ... ok
[INFO] [stdout] test context::tests::debug ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- context::tests::debug stdout ----
[INFO] [stdout] thread 'context::tests::debug' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `"Context {\n    value: {\n        \"a\": 2.4,\n    },\n    query: \"None\",\n}"`,
[INFO] [stdout]  right: `"Context {\n    value: {\n        \"a\": 2.4\n    },\n    query: \"None\"\n}"`', src/context.rs:150:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e887c9d8d0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55e887c9d8d0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55e887c9d8d0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55e887c9d8d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h767e17e1aa7df6a8
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55e887cc14cc - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x55e887c9a945 - std::io::Write::write_fmt::h6f1a9b91376a1376
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15
[INFO] [stdout]    6:     0x55e887c9fa3b - std::sys_common::backtrace::_print::h2769edb26a7eb606
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55e887c9fa3b - std::sys_common::backtrace::print::ha71f3549862b4cb6
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55e887c9fa3b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55e887c9f54c - std::panicking::default_hook::h290aa602c0fb11df
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55e887ca00e1 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55e887c9fbe7 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55e887c9ddac - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55e887c9fb49 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55e887c1c4b1 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55e887cbfb38 - core::panicking::assert_failed_inner::h4fdb1013d187f202
[INFO] [stdout]   16:     0x55e887c363ae - core::panicking::assert_failed::hf4f4ac2a3f9470e7
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55e887c2d905 - caldyn::context::tests::debug::h2187f82f3ab7b3de
[INFO] [stdout]                                at /opt/rustwide/workdir/src/context.rs:150:9
[INFO] [stdout]   18:     0x55e887c2d5aa - caldyn::context::tests::debug::{{closure}}::hf25c1779eff84027
[INFO] [stdout]                                at /opt/rustwide/workdir/src/context.rs:140:5
[INFO] [stdout]   19:     0x55e887c2fdee - core::ops::function::FnOnce::call_once::h2d1d2542e0c353a0
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55e887c74f33 - core::ops::function::FnOnce::call_once::h673fbe3f96486fd2
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55e887c74f33 - test::__rust_begin_short_backtrace::h8eedc24e104ef6a0
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x55e887c739e0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h028d0969d3f94d78
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x55e887c739e0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7634b01590b1722b
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:346:9
[INFO] [stdout]   24:     0x55e887c739e0 - std::panicking::try::do_call::hf74f869706dec63b
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55e887c739e0 - std::panicking::try::hd0b7346ebfaaae44
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55e887c739e0 - std::panic::catch_unwind::hdbf6904f7c253080
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14
[INFO] [stdout]   27:     0x55e887c739e0 - test::run_test_in_process::h87e95a014ac91067
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x55e887c739e0 - test::run_test::run_test_inner::{{closure}}::hdd69ae44aaab3470
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x55e887c4ecb2 - test::run_test::run_test_inner::{{closure}}::hc159305704d5b68a
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x55e887c4ecb2 - std::sys_common::backtrace::__rust_begin_short_backtrace::h33d8a8ad5f788fcc
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55e887c52a28 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h6181011ddf4b8353
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x55e887c52a28 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf924ea0a0f25a1c0
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:346:9
[INFO] [stdout]   33:     0x55e887c52a28 - std::panicking::try::do_call::hd58061792d05fa5c
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55e887c52a28 - std::panicking::try::h3080747417e5af37
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55e887c52a28 - std::panic::catch_unwind::hfeba515dcf36cb66
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14
[INFO] [stdout]   36:     0x55e887c52a28 - std::thread::Builder::spawn_unchecked::{{closure}}::h29d57a62faff749b
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x55e887c52a28 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h44709d312d2a9c59
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55e887ca4b97 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h902e2cf6655e1b0c
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x55e887ca4b97 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h893a5452154309d1
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x55e887ca4b97 - std::sys::unix::thread::Thread::new::thread_start::hdedcb57c96ab37cd
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7fde5dcc7609 - start_thread
[INFO] [stdout]   42:     0x7fde5da99293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     context::tests::debug
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "1ac75c3bc08fa3737ee4a070dfdfa368c20a016b20978b29da5d4c18893a7eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac75c3bc08fa3737ee4a070dfdfa368c20a016b20978b29da5d4c18893a7eeb", kill_on_drop: false }`
[INFO] [stdout] 1ac75c3bc08fa3737ee4a070dfdfa368c20a016b20978b29da5d4c18893a7eeb