[INFO] fetching crate positioned-io 0.2.2...
[INFO] checking positioned-io-0.2.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate positioned-io 0.2.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate positioned-io 0.2.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate positioned-io 0.2.2
[INFO] finished tweaking crates.io crate positioned-io 0.2.2
[INFO] tweaked toml for crates.io crate positioned-io 0.2.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b3b16da71d3065f38dfc05842975eda2cae099834105d669b6e9bda1cb95b00
[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" "5b3b16da71d3065f38dfc05842975eda2cae099834105d669b6e9bda1cb95b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b3b16da71d3065f38dfc05842975eda2cae099834105d669b6e9bda1cb95b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3b16da71d3065f38dfc05842975eda2cae099834105d669b6e9bda1cb95b00", kill_on_drop: false }`
[INFO] [stdout] 5b3b16da71d3065f38dfc05842975eda2cae099834105d669b6e9bda1cb95b00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 497942b849d2187348e13f50b1cbfd938a90526123e7936b21f80c5db80c2426
[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" "497942b849d2187348e13f50b1cbfd938a90526123e7936b21f80c5db80c2426", kill_on_drop: false }`
[INFO] [stderr]     Checking positioned-io v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         try!(self.read_exact_at(pos, &mut buf));
[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/byteorder/mod.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         try!(self.read_exact_at(pos, &mut buf[..nbytes]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         try!(self.read_exact_at(pos, &mut buf[..nbytes]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/byteorder/mod.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cursor.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let bytes = try!(self.get_ref().read_at(self.pos, buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cursor.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let bytes = try!(self.get_mut().write_at(pos, buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:260:18
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let md = try!(self.metadata());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         try!(self.read_exact_at(pos, &mut buf));
[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/byteorder/mod.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         try!(self.read_exact_at(pos, &mut buf[..nbytes]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         try!(self.read_exact_at(pos, &mut buf[..nbytes]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/byteorder/mod.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/byteorder/mod.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(self.read_exact_at(pos, &mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cursor.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let bytes = try!(self.get_ref().read_at(self.pos, buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cursor.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let bytes = try!(self.get_mut().write_at(pos, buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:260:18
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let md = try!(self.metadata());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "497942b849d2187348e13f50b1cbfd938a90526123e7936b21f80c5db80c2426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497942b849d2187348e13f50b1cbfd938a90526123e7936b21f80c5db80c2426", kill_on_drop: false }`
[INFO] [stdout] 497942b849d2187348e13f50b1cbfd938a90526123e7936b21f80c5db80c2426