[INFO] fetching crate rwutil 2.0.0...
[INFO] checking rwutil-2.0.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate rwutil 2.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rwutil 2.0.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rwutil 2.0.0
[INFO] finished tweaking crates.io crate rwutil 2.0.0
[INFO] tweaked toml for crates.io crate rwutil 2.0.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de407f1739cf1480a15354d75fb843a0b60edfab0cfe367c7a7d2e3927ccedd9
[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" "de407f1739cf1480a15354d75fb843a0b60edfab0cfe367c7a7d2e3927ccedd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de407f1739cf1480a15354d75fb843a0b60edfab0cfe367c7a7d2e3927ccedd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de407f1739cf1480a15354d75fb843a0b60edfab0cfe367c7a7d2e3927ccedd9", kill_on_drop: false }`
[INFO] [stdout] de407f1739cf1480a15354d75fb843a0b60edfab0cfe367c7a7d2e3927ccedd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d7cf4e7b1657c4565c002e3119ffac56341d3c4dd17be7949f407af59998f4f
[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" "8d7cf4e7b1657c4565c002e3119ffac56341d3c4dd17be7949f407af59998f4f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rwutil v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bytes0.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Ok(try!(result))
[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/bytes0.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         try!(self.write_all(data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bytes0.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Ok(try!(result))
[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/bytes0.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(self.write_all(&[0; 1]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bytes0.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         try!(self.write_all(data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bytes0.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(self.write_all(&[0; 1]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         try!(self.write_u8(data.len() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         try!(self.write_u8(data.len() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         try!(self.write_all(&data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(self.write_u16::<T>(data.len() as u16));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(self.write_all(&data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         try!(self.write_u32::<T>(data.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         try!(self.write_all(&data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         try!(self.write_u64::<T>(data.len() as u64));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         try!(self.write_all(&data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let len = try!(self.read_u8());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         try!(self.read_exact(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let len = try!(self.read_u16::<T>());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         try!(self.read_exact(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let len = try!(self.read_u32::<T>());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(self.read_exact(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/length_prefixed.rs:104:19
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let len = try!(self.read_u64::<T>());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/length_prefixed.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         try!(self.read_exact(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         try!(self.write_all(&data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(self.write_u16::<T>(data.len() as u16));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(self.write_all(&data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         try!(self.write_u32::<T>(data.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         try!(self.write_all(&data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         try!(self.write_u64::<T>(data.len() as u64));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         try!(self.write_all(&data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let len = try!(self.read_u8());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         try!(self.read_exact(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let len = try!(self.read_u16::<T>());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         try!(self.read_exact(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let len = try!(self.read_u32::<T>());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/length_prefixed.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(self.read_exact(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/length_prefixed.rs:104:19
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let len = try!(self.read_u64::<T>());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/length_prefixed.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         try!(self.read_exact(&mut buf));
[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 0.99s
[INFO] running `Command { std: "docker" "inspect" "8d7cf4e7b1657c4565c002e3119ffac56341d3c4dd17be7949f407af59998f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7cf4e7b1657c4565c002e3119ffac56341d3c4dd17be7949f407af59998f4f", kill_on_drop: false }`
[INFO] [stdout] 8d7cf4e7b1657c4565c002e3119ffac56341d3c4dd17be7949f407af59998f4f