[INFO] fetching crate erl_ast 0.0.6...
[INFO] checking erl_ast-0.0.6 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate erl_ast 0.0.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate erl_ast 0.0.6 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 erl_ast 0.0.6
[INFO] finished tweaking crates.io crate erl_ast 0.0.6
[INFO] tweaked toml for crates.io crate erl_ast 0.0.6 written to /workspace/builds/worker-8/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] [stderr]     Blocking waiting for file lock on package cache
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] bf0f40ed88f8870cc396acb967e59b55898cd08df70a3e2350615aff56eaf97a
[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" "bf0f40ed88f8870cc396acb967e59b55898cd08df70a3e2350615aff56eaf97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf0f40ed88f8870cc396acb967e59b55898cd08df70a3e2350615aff56eaf97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0f40ed88f8870cc396acb967e59b55898cd08df70a3e2350615aff56eaf97a", kill_on_drop: false }`
[INFO] [stdout] bf0f40ed88f8870cc396acb967e59b55898cd08df70a3e2350615aff56eaf97a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8be1554831cbf9fad84873e9c77c0b32936b5e9b2a7aac2768162567bd0a48af
[INFO] running `Command { std: "docker" "start" "-a" "8be1554831cbf9fad84873e9c77c0b32936b5e9b2a7aac2768162567bd0a48af", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking libc v0.2.76
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking beam_file v0.2.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking eetf v0.3.6
[INFO] [stderr]     Checking erl_ast v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 try!(write!(f, "Unexpected term: ["));
[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/error.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                         try!(write!(f, ","));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     try!(write!(f, "{}", e));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     try!(write!(f, " ..{}..", trace.len() - limit));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 try!(write!(f, "]"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/format/raw_abstract_v1.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let beam = try!(beam_file::RawBeamFile::from_file(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/format/raw_abstract_v1.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let chunk = try!(beam.chunks
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/format/raw_abstract_v1.rs:49:20
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let code = try!(eetf::Term::decode(io::Cursor::new(&chunk.data)));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/format/raw_abstract_v1.rs:53:26
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let (_, forms) = try!(self.code
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/format/raw_abstract_v1.rs:89:30
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let a: &eetf::Atom = try!(term.try_as_ref().ok_or_else(|| self.unmatched(term)));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let code = try!(format::raw_abstract_v1::AbstractCode::from_beam_file(beam_file));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let forms = try!(code.to_forms());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 try!(write!(f, "Unexpected term: ["));
[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/error.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                         try!(write!(f, ","));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     try!(write!(f, "{}", e));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     try!(write!(f, " ..{}..", trace.len() - limit));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 try!(write!(f, "]"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/format/raw_abstract_v1.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let beam = try!(beam_file::RawBeamFile::from_file(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/format/raw_abstract_v1.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let chunk = try!(beam.chunks
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/format/raw_abstract_v1.rs:49:20
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let code = try!(eetf::Term::decode(io::Cursor::new(&chunk.data)));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/format/raw_abstract_v1.rs:53:26
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let (_, forms) = try!(self.code
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/format/raw_abstract_v1.rs:89:30
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let a: &eetf::Atom = try!(term.try_as_ref().ok_or_else(|| self.unmatched(term)));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let code = try!(format::raw_abstract_v1::AbstractCode::from_beam_file(beam_file));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let forms = try!(code.to_forms());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 |             FromBeamError::Io(ref x) => x.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[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/error.rs:21:49
[INFO] [stdout]    |
[INFO] [stdout] 21 |             FromBeamError::BeamFile(ref x) => x.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[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/error.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |             FromBeamError::TermDecode(ref x) => x.description(),
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |             FromBeamError::Io(ref x) => x.cause(),
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:31:49
[INFO] [stdout]    |
[INFO] [stdout] 31 |             FromBeamError::BeamFile(ref x) => x.cause(),
[INFO] [stdout]    |                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:32:51
[INFO] [stdout]    |
[INFO] [stdout] 32 |             FromBeamError::TermDecode(ref x) => x.cause(),
[INFO] [stdout]    |                                                   ^^^^^
[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/error.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 |             FromBeamError::Io(ref x) => x.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[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/error.rs:21:49
[INFO] [stdout]    |
[INFO] [stdout] 21 |             FromBeamError::BeamFile(ref x) => x.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[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/error.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |             FromBeamError::TermDecode(ref x) => x.description(),
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |             FromBeamError::Io(ref x) => x.cause(),
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:31:49
[INFO] [stdout]    |
[INFO] [stdout] 31 |             FromBeamError::BeamFile(ref x) => x.cause(),
[INFO] [stdout]    |                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:32:51
[INFO] [stdout]    |
[INFO] [stdout] 32 |             FromBeamError::TermDecode(ref x) => x.cause(),
[INFO] [stdout]    |                                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.41s
[INFO] running `Command { std: "docker" "inspect" "8be1554831cbf9fad84873e9c77c0b32936b5e9b2a7aac2768162567bd0a48af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be1554831cbf9fad84873e9c77c0b32936b5e9b2a7aac2768162567bd0a48af", kill_on_drop: false }`
[INFO] [stdout] 8be1554831cbf9fad84873e9c77c0b32936b5e9b2a7aac2768162567bd0a48af
