[INFO] crate pupil 0.1.3 is already in cache
[INFO] checking pupil-0.1.3 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[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 e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3d56e08a11f8fba7ca9977f6a620abcc21cb97ce1e284b354367971d24af180
[INFO] running `"docker" "start" "-a" "b3d56e08a11f8fba7ca9977f6a620abcc21cb97ce1e284b354367971d24af180"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking pupil v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `"docker" "inspect" "b3d56e08a11f8fba7ca9977f6a620abcc21cb97ce1e284b354367971d24af180"`
[INFO] running `"docker" "rm" "-f" "b3d56e08a11f8fba7ca9977f6a620abcc21cb97ce1e284b354367971d24af180"`
[INFO] [stdout] b3d56e08a11f8fba7ca9977f6a620abcc21cb97ce1e284b354367971d24af180