[INFO] cloning repository https://github.com/AprliRainkun/rua
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AprliRainkun/rua" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAprliRainkun%2Frua", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAprliRainkun%2Frua'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 181ed59c1d8bc7ada19c1bb490f9d2170397adeb
[INFO] checking AprliRainkun/rua against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAprliRainkun%2Frua" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AprliRainkun/rua 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 git repo https://github.com/AprliRainkun/rua
[INFO] finished tweaking git repo https://github.com/AprliRainkun/rua
[INFO] tweaked toml for git repo https://github.com/AprliRainkun/rua written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/AprliRainkun/rua already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b6f98d02f63001e69f37473664edc9a01259aec99f7a2970cfeb0c5a9efcacc1
[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" "b6f98d02f63001e69f37473664edc9a01259aec99f7a2970cfeb0c5a9efcacc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f98d02f63001e69f37473664edc9a01259aec99f7a2970cfeb0c5a9efcacc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f98d02f63001e69f37473664edc9a01259aec99f7a2970cfeb0c5a9efcacc1", kill_on_drop: false }`
[INFO] [stdout] b6f98d02f63001e69f37473664edc9a01259aec99f7a2970cfeb0c5a9efcacc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 77669606068f11494889e8f61ef5ea5cc9c512dad044d761ba36867dd671ff4c
[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" "77669606068f11494889e8f61ef5ea5cc9c512dad044d761ba36867dd671ff4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking remove_dir_all v0.3.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]     Checking tempdir v0.3.6
[INFO] [stderr]     Checking rua v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |         try!(self.eat(FlagType::Return));
[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/parser/mod.rs:471:29
[INFO] [stdout]     |
[INFO] [stdout] 471 |         let mut list = vec![try!(self.name())];
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:476:31
[INFO] [stdout]     |
[INFO] [stdout] 476 |                     list.push(try!(self.name()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:644:32
[INFO] [stdout]     |
[INFO] [stdout] 644 |         let (paras, content) = try!(self.function_body());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:645:9
[INFO] [stdout]     |
[INFO] [stdout] 645 |         try!(self.eat(FlagType::End));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:687:9
[INFO] [stdout]     |
[INFO] [stdout] 687 |         try!(self.eat(FlagType::LParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:691:9
[INFO] [stdout]     |
[INFO] [stdout] 691 |         try!(self.eat(FlagType::RParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ir_generator/mod.rs:207:21
[INFO] [stdout]     |
[INFO] [stdout] 207 |                     try!(self.visit_r_expr(expr, res_alloc, instructions, Some(Expect::Reg(reg))));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ir_generator/mod.rs:684:36
[INFO] [stdout]     |
[INFO] [stdout] 684 |                 let (scope, pos) = try!(
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |         try!(self.eat(FlagType::Return));
[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/parser/mod.rs:471:29
[INFO] [stdout]     |
[INFO] [stdout] 471 |         let mut list = vec![try!(self.name())];
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:476:31
[INFO] [stdout]     |
[INFO] [stdout] 476 |                     list.push(try!(self.name()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:644:32
[INFO] [stdout]     |
[INFO] [stdout] 644 |         let (paras, content) = try!(self.function_body());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:645:9
[INFO] [stdout]     |
[INFO] [stdout] 645 |         try!(self.eat(FlagType::End));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:687:9
[INFO] [stdout]     |
[INFO] [stdout] 687 |         try!(self.eat(FlagType::LParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:691:9
[INFO] [stdout]     |
[INFO] [stdout] 691 |         try!(self.eat(FlagType::RParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ir_generator/mod.rs:207:21
[INFO] [stdout]     |
[INFO] [stdout] 207 |                     try!(self.visit_r_expr(expr, res_alloc, instructions, Some(Expect::Reg(reg))));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ir_generator/mod.rs:684:36
[INFO] [stdout]     |
[INFO] [stdout] 684 |                 let (scope, pos) = try!(
[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/compiler/mod.rs:33:77
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Err(why) => panic!("Could not open {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:410:17
[INFO] [stdout]     |
[INFO] [stdout] 410 |             let mut exprlist = self.exprlist()?;
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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/compiler/mod.rs:33:77
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Err(why) => panic!("Could not open {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/assembler/mod.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 175 |                     let mut num = index.get(label).expect("Label undefined") - (pos as i32) - 1;
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:410:17
[INFO] [stdout]     |
[INFO] [stdout] 410 |             let mut exprlist = self.exprlist()?;
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/assembler/mod.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 175 |                     let mut num = index.get(label).expect("Label undefined") - (pos as i32) - 1;
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.18s
[INFO] running `Command { std: "docker" "inspect" "77669606068f11494889e8f61ef5ea5cc9c512dad044d761ba36867dd671ff4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77669606068f11494889e8f61ef5ea5cc9c512dad044d761ba36867dd671ff4c", kill_on_drop: false }`
[INFO] [stdout] 77669606068f11494889e8f61ef5ea5cc9c512dad044d761ba36867dd671ff4c
