[INFO] fetching crate pupil 0.1.3...
[INFO] testing pupil-0.1.3 against 1.76.0 for beta-1.77-1
[INFO] extracting crate pupil 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pupil 0.1.3 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pupil 0.1.3
[INFO] finished tweaking crates.io crate pupil 0.1.3
[INFO] tweaked toml for crates.io crate pupil 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74b6a312295044fb4f1f88ee02a75e73652e660400cccd745bbff64831d337b1
[INFO] running `Command { std: "docker" "start" "-a" "74b6a312295044fb4f1f88ee02a75e73652e660400cccd745bbff64831d337b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b6a312295044fb4f1f88ee02a75e73652e660400cccd745bbff64831d337b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b6a312295044fb4f1f88ee02a75e73652e660400cccd745bbff64831d337b1", kill_on_drop: false }`
[INFO] [stdout] 74b6a312295044fb4f1f88ee02a75e73652e660400cccd745bbff64831d337b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41a7a66a89b7fbc6b44795fffb8baa524478990506e6ec99fbdac8755f6db1b4
[INFO] running `Command { std: "docker" "start" "-a" "41a7a66a89b7fbc6b44795fffb8baa524478990506e6ec99fbdac8755f6db1b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pupil v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 |             try!(self.parse(tok));
[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:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 |         try!(self.eval_while(Order::Operators));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 70 |         try!(self.feed(input));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:110:18
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 let result = try!(self.env.var(id).ok_or(Error::UnknownSymbol));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:119:15
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let pfn = try!(self.env.find(id).ok_or(Error::UnknownSymbol));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 try!(self.eval_while(pre));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 try!(self.parse_op(Token::Op(Operator::IMul)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 try!(self.parse_op(Token::Op(Operator::IMul)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 try!(self.eval_while(Order::Operators));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 try!(self.fns.last_mut().ok_or(Error::MisplacedComma)).nargs += 1;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 try!(self.eval_while(Order::Operators));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 try!(self.eval_apply());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 |             try!(self.eval_apply());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 try!((f.pfn)(self.env, vals))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/lexer.rs:134:6
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use ::libc;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:37:1
[INFO] [stdout]     |
[INFO] [stdout] 37  | extern crate libc;
[INFO] [stdout]     | ------------------ the item `libc` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtins.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     Ok(try!(builtin_add(env, vals)) / vals.len() as Value)
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtins.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mean = try!(builtin_mean(env, vals));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtins.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Ok(try!(builtin_var(env, vals)).sqrt())
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/env.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lexer.rs:136:44
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut s_num: [libc::c_char; 32] = mem::uninitialized();
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lexer.rs:140:43
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[i8; 32]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lexer.rs:136:39
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut s_num: [libc::c_char; 32] = mem::uninitialized();
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `*mut i8` does not permit being left uninitialized
[INFO] [stdout]    --> src/lexer.rs:140:38
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            this code causes undefined behavior when executed
[INFO] [stdout]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: raw pointers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "41a7a66a89b7fbc6b44795fffb8baa524478990506e6ec99fbdac8755f6db1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a7a66a89b7fbc6b44795fffb8baa524478990506e6ec99fbdac8755f6db1b4", kill_on_drop: false }`
[INFO] [stdout] 41a7a66a89b7fbc6b44795fffb8baa524478990506e6ec99fbdac8755f6db1b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13d22cbc85074baf932545227176c4cf525825e626d95bad4e6dd0c85c9dfd5b
[INFO] running `Command { std: "docker" "start" "-a" "13d22cbc85074baf932545227176c4cf525825e626d95bad4e6dd0c85c9dfd5b", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 |             try!(self.parse(tok));
[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:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 |         try!(self.eval_while(Order::Operators));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 70 |         try!(self.feed(input));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:110:18
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 let result = try!(self.env.var(id).ok_or(Error::UnknownSymbol));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:119:15
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let pfn = try!(self.env.find(id).ok_or(Error::UnknownSymbol));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 try!(self.eval_while(pre));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 try!(self.parse_op(Token::Op(Operator::IMul)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 try!(self.parse_op(Token::Op(Operator::IMul)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 try!(self.eval_while(Order::Operators));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 try!(self.fns.last_mut().ok_or(Error::MisplacedComma)).nargs += 1;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 try!(self.eval_while(Order::Operators));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 try!(self.eval_apply());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 |             try!(self.eval_apply());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 try!((f.pfn)(self.env, vals))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/lexer.rs:134:6
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use ::libc;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:37:1
[INFO] [stdout]     |
[INFO] [stdout] 37  | extern crate libc;
[INFO] [stdout]     | ------------------ the item `libc` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtins.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     Ok(try!(builtin_add(env, vals)) / vals.len() as Value)
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtins.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mean = try!(builtin_mean(env, vals));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtins.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Ok(try!(builtin_var(env, vals)).sqrt())
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/env.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lexer.rs:136:44
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut s_num: [libc::c_char; 32] = mem::uninitialized();
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lexer.rs:140:43
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[i8; 32]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lexer.rs:136:39
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut s_num: [libc::c_char; 32] = mem::uninitialized();
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `*mut i8` does not permit being left uninitialized
[INFO] [stdout]    --> src/lexer.rs:140:38
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            this code causes undefined behavior when executed
[INFO] [stdout]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: raw pointers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pupil v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 |             try!(self.parse(tok));
[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:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 |         try!(self.eval_while(Order::Operators));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/expr.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 70 |         try!(self.feed(input));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:110:18
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 let result = try!(self.env.var(id).ok_or(Error::UnknownSymbol));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:119:15
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let pfn = try!(self.env.find(id).ok_or(Error::UnknownSymbol));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 try!(self.eval_while(pre));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 try!(self.parse_op(Token::Op(Operator::IMul)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 try!(self.parse_op(Token::Op(Operator::IMul)));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 try!(self.eval_while(Order::Operators));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 try!(self.fns.last_mut().ok_or(Error::MisplacedComma)).nargs += 1;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 try!(self.eval_while(Order::Operators));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 try!(self.eval_apply());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 |             try!(self.eval_apply());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 try!((f.pfn)(self.env, vals))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/lexer.rs:134:6
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use ::libc;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:37:1
[INFO] [stdout]     |
[INFO] [stdout] 37  | extern crate libc;
[INFO] [stdout]     | ------------------ the item `libc` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtins.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     Ok(try!(builtin_add(env, vals)) / vals.len() as Value)
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtins.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mean = try!(builtin_mean(env, vals));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtins.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Ok(try!(builtin_var(env, vals)).sqrt())
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/env.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lexer.rs:136:44
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut s_num: [libc::c_char; 32] = mem::uninitialized();
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lexer.rs:140:43
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[i8; 32]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lexer.rs:136:39
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut s_num: [libc::c_char; 32] = mem::uninitialized();
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `*mut i8` does not permit being left uninitialized
[INFO] [stdout]    --> src/lexer.rs:140:38
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            this code causes undefined behavior when executed
[INFO] [stdout]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: raw pointers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "13d22cbc85074baf932545227176c4cf525825e626d95bad4e6dd0c85c9dfd5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d22cbc85074baf932545227176c4cf525825e626d95bad4e6dd0c85c9dfd5b", kill_on_drop: false }`
[INFO] [stdout] 13d22cbc85074baf932545227176c4cf525825e626d95bad4e6dd0c85c9dfd5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e8d3d8b1292a3cff62894685c161e5f0f1a881091a1ae16794aef25f8122262
[INFO] running `Command { std: "docker" "start" "-a" "4e8d3d8b1292a3cff62894685c161e5f0f1a881091a1ae16794aef25f8122262", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 |             try!(self.parse(tok));
[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:60:3
[INFO] [stderr]    |
[INFO] [stderr] 60 |         try!(self.eval_while(Order::Operators));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |         try!(self.feed(input));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:110:18
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 let result = try!(self.env.var(id).ok_or(Error::UnknownSymbol));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:119:15
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 let pfn = try!(self.env.find(id).ok_or(Error::UnknownSymbol));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 try!(self.eval_while(pre));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 try!(self.parse_op(Token::Op(Operator::IMul)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 try!(self.parse_op(Token::Op(Operator::IMul)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 try!(self.eval_while(Order::Operators));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 try!(self.fns.last_mut().ok_or(Error::MisplacedComma)).nargs += 1;
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 try!(self.eval_while(Order::Operators));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 try!(self.eval_apply());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:209:4
[INFO] [stderr]     |
[INFO] [stderr] 209 |             try!(self.eval_apply());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |                 try!((f.pfn)(self.env, vals))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/lexer.rs:134:6
[INFO] [stderr]     |
[INFO] [stderr] 134 |     use ::libc;
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:37:1
[INFO] [stderr]     |
[INFO] [stderr] 37  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/builtins.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     Ok(try!(builtin_add(env, vals)) / vals.len() as Value)
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/builtins.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |     let mean = try!(builtin_mean(env, vals));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/builtins.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     Ok(try!(builtin_var(env, vals)).sqrt())
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/env.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |         error::Error::description(self).fmt(f)
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lexer.rs:136:44
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let mut s_num: [libc::c_char; 32] = mem::uninitialized();
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lexer.rs:140:43
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[i8; 32]` does not permit being left uninitialized
[INFO] [stderr]    --> src/lexer.rs:136:39
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let mut s_num: [libc::c_char; 32] = mem::uninitialized();
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                             |
[INFO] [stderr]     |                                             this code causes undefined behavior when executed
[INFO] [stderr]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `*mut i8` does not permit being left uninitialized
[INFO] [stderr]    --> src/lexer.rs:140:38
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            this code causes undefined behavior when executed
[INFO] [stderr]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: raw pointers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: `pupil` (lib) generated 23 warnings
[INFO] [stderr] warning: `pupil` (lib test) generated 23 warnings (23 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pupil-faa8df10f7ae8b48)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test builtins::tests::stats ... ok
[INFO] [stdout] test env::tests::var ... ok
[INFO] [stdout] test expr::tests::errors ... ok
[INFO] [stdout] test expr::tests::funcs ... ok
[INFO] [stdout] test lexer::tests::regressions ... ok
[INFO] [stdout] test expr::tests::basics ... ok
[INFO] [stdout] test lexer::tests::units ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- lexer::tests::units stdout ----
[INFO] [stdout] thread 'lexer::tests::units' panicked at src/lexer.rs:186:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [Lit(12.4), Lit(45.0), Op(Sub), Lit(0.111), Lit(inf)]
[INFO] [stdout]  right: [Lit(12.4), Lit(45.0), Op(Sub), Lit(0.111), Var("inf")]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d53fa616a6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55d53fa616a6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d53fa616a6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55d53fa616a6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d53fa8a900 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55d53fa8a900 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55d53fa5f10f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55d53fa61484 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55d53fa61484 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55d53fa631f7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55d53fa62edd - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55d53fa330d7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55d53fa330d7 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55d53fa63816 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55d53fa63816 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55d53fa63562 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55d53fa61ba6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55d53fa632c0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55d53f9dccd5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55d53f9dd10b - core::panicking::assert_failed_inner::hbf94b40c37b92af0
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x55d53f9e7f5e - core::panicking::assert_failed::hd662d91e1c088bc1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55d53f9fdb96 - pupil::lexer::tests::units::ha0827a79390cd0f6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lexer.rs:186:3
[INFO] [stdout]   22:     0x55d53f9fd907 - pupil::lexer::tests::units::{{closure}}::ha682cedca325c5ce
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lexer.rs:184:12
[INFO] [stdout]   23:     0x55d53f9f4846 - core::ops::function::FnOnce::call_once::he1d38e12b08e8b12
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55d53fa389af - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55d53fa389af - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55d53fa37731 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55d53fa37731 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55d53fa37731 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55d53fa37731 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55d53fa37731 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55d53fa37731 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55d53fa37731 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55d53f9fea66 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55d53f9fea66 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55d53fa03ac7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55d53fa03ac7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55d53fa03ac7 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55d53fa03ac7 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55d53fa03ac7 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55d53fa03ac7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55d53fa03ac7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d53fa682c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55d53fa682c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55d53fa682c5 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fb649d8cac3 - <unknown>
[INFO] [stdout]   46:     0x7fb649e1dbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     lexer::tests::units
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "4e8d3d8b1292a3cff62894685c161e5f0f1a881091a1ae16794aef25f8122262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8d3d8b1292a3cff62894685c161e5f0f1a881091a1ae16794aef25f8122262", kill_on_drop: false }`
[INFO] [stdout] 4e8d3d8b1292a3cff62894685c161e5f0f1a881091a1ae16794aef25f8122262
