[INFO] fetching crate pupil 0.1.3...
[INFO] checking pupil-0.1.3 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate pupil 0.1.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pupil 0.1.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 086facfb47240a352c2a3454b61dc9597735187948799bc76689c51e94e2b823
[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" "086facfb47240a352c2a3454b61dc9597735187948799bc76689c51e94e2b823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "086facfb47240a352c2a3454b61dc9597735187948799bc76689c51e94e2b823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086facfb47240a352c2a3454b61dc9597735187948799bc76689c51e94e2b823", kill_on_drop: false }`
[INFO] [stdout] 086facfb47240a352c2a3454b61dc9597735187948799bc76689c51e94e2b823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f93b8a8bf9db6e4db2fe78e5a6d0de940a93e1c5bcc4f2c7ba541b41f50762ca
[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" "f93b8a8bf9db6e4db2fe78e5a6d0de940a93e1c5bcc4f2c7ba541b41f50762ca", kill_on_drop: false }`
[INFO] [stderr]     Checking pupil v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "f93b8a8bf9db6e4db2fe78e5a6d0de940a93e1c5bcc4f2c7ba541b41f50762ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93b8a8bf9db6e4db2fe78e5a6d0de940a93e1c5bcc4f2c7ba541b41f50762ca", kill_on_drop: false }`
[INFO] [stdout] f93b8a8bf9db6e4db2fe78e5a6d0de940a93e1c5bcc4f2c7ba541b41f50762ca
