[INFO] fetching crate pupil 0.1.3...
[INFO] testing pupil-0.1.3 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate pupil 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pupil 0.1.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb8077576c4e096180b7d43b7dec54794a5a0d924363e2d6c0e0b3b5a712c608
[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" "bb8077576c4e096180b7d43b7dec54794a5a0d924363e2d6c0e0b3b5a712c608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb8077576c4e096180b7d43b7dec54794a5a0d924363e2d6c0e0b3b5a712c608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8077576c4e096180b7d43b7dec54794a5a0d924363e2d6c0e0b3b5a712c608", kill_on_drop: false }`
[INFO] [stdout] bb8077576c4e096180b7d43b7dec54794a5a0d924363e2d6c0e0b3b5a712c608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dd270eae771d31eee9e2b14cbd693697f498c20b8c15d7a23c5a9624a96c49e
[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" "0dd270eae771d31eee9e2b14cbd693697f498c20b8c15d7a23c5a9624a96c49e", 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: 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: 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 associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/env.rs:36:3
[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:136:39
[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:140:38
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "0dd270eae771d31eee9e2b14cbd693697f498c20b8c15d7a23c5a9624a96c49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd270eae771d31eee9e2b14cbd693697f498c20b8c15d7a23c5a9624a96c49e", kill_on_drop: false }`
[INFO] [stdout] 0dd270eae771d31eee9e2b14cbd693697f498c20b8c15d7a23c5a9624a96c49e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cf1ea120a02732e812797d1c6c796c7eb3e35c6679dc0b7293ee74f0ccc7a9c
[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" "8cf1ea120a02732e812797d1c6c796c7eb3e35c6679dc0b7293ee74f0ccc7a9c", 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: 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: 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 associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/env.rs:36:3
[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:136:39
[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:140:38
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: 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: 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 associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/env.rs:36:3
[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:136:39
[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:140:38
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[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 2.26s
[INFO] running `Command { std: "docker" "inspect" "8cf1ea120a02732e812797d1c6c796c7eb3e35c6679dc0b7293ee74f0ccc7a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf1ea120a02732e812797d1c6c796c7eb3e35c6679dc0b7293ee74f0ccc7a9c", kill_on_drop: false }`
[INFO] [stdout] 8cf1ea120a02732e812797d1c6c796c7eb3e35c6679dc0b7293ee74f0ccc7a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93e15c6de1ac5e697fd171e8c58b2a9a6fa1a9ef458b903f851a8a329c3afab9
[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" "93e15c6de1ac5e697fd171e8c58b2a9a6fa1a9ef458b903f851a8a329c3afab9", 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: 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: 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 associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/env.rs:36:3
[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:136:39
[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:140:38
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[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: 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: 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 associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/env.rs:36:3
[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:136:39
[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:140:38
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let mut s_end: *mut libc::c_char = mem::uninitialized();
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pupil-a5001004bf74d259
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test expr::tests::funcs ... ok
[INFO] [stdout] test lexer::tests::regressions ... ok
[INFO] [stdout] test builtins::tests::stats ... ok
[INFO] [stdout] test expr::tests::basics ... ok
[INFO] [stdout] test env::tests::var ... ok
[INFO] [stdout] test expr::tests::errors ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[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 'assertion failed: `(left == right)`
[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")]`', src/lexer.rs:186:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562f89e59c50 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x562f89e59c50 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x562f89e59c50 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x562f89e59c50 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x562f89e7beec - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x562f89e05716 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x562f89e5446d - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x562f89e5c16d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x562f89e5c16d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x562f89e5c16d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x562f89e5bdc2 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x562f89e5c851 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x562f89e5c3f9 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x562f89e5a0dc - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x562f89e5c3b9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x562f89e5c36b - std::panicking::begin_panic_fmt::hef75366dd3a9de61
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:437
[INFO] [stdout]   16:     0x562f89dfc4b9 - pupil::lexer::tests::units::hfa9e9619cfdf7554
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lexer.rs:186
[INFO] [stdout]   17:     0x562f89dfc11a - pupil::lexer::tests::units::{{closure}}::h70f72eac121bb022
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lexer.rs:184
[INFO] [stdout]   18:     0x562f89de941e - core::ops::function::FnOnce::call_once::h332768f8f452aae2
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x562f89e2c503 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x562f89e2c503 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   21:     0x562f89e2aa08 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x562f89e2aa08 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x562f89e2aa08 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   24:     0x562f89e2aa08 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   25:     0x562f89e2aa08 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   26:     0x562f89e2aa08 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   27:     0x562f89e2aa08 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   28:     0x562f89e04a96 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x562f89e09c05 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   30:     0x562f89e09c05 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x562f89e09c05 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   32:     0x562f89e09c05 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   33:     0x562f89e09c05 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   34:     0x562f89e09c05 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   35:     0x562f89e09c05 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x562f89e6287a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x562f89e6287a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x562f89e6287a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f5265e39609 - start_thread
[INFO] [stdout]   40:     0x7f52660c4103 - clone
[INFO] [stdout]   41:                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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93e15c6de1ac5e697fd171e8c58b2a9a6fa1a9ef458b903f851a8a329c3afab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e15c6de1ac5e697fd171e8c58b2a9a6fa1a9ef458b903f851a8a329c3afab9", kill_on_drop: false }`
[INFO] [stdout] 93e15c6de1ac5e697fd171e8c58b2a9a6fa1a9ef458b903f851a8a329c3afab9
