[INFO] fetching crate lines 0.0.6...
[INFO] checking lines-0.0.6 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate lines 0.0.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate lines 0.0.6 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lines 0.0.6
[INFO] finished tweaking crates.io crate lines 0.0.6
[INFO] tweaked toml for crates.io crate lines 0.0.6 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb5180e8a1e846e5d1e4afb6d9283247b80b45d01d4bc41c4346c9cdcd627c58
[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" "bb5180e8a1e846e5d1e4afb6d9283247b80b45d01d4bc41c4346c9cdcd627c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb5180e8a1e846e5d1e4afb6d9283247b80b45d01d4bc41c4346c9cdcd627c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5180e8a1e846e5d1e4afb6d9283247b80b45d01d4bc41c4346c9cdcd627c58", kill_on_drop: false }`
[INFO] [stdout] bb5180e8a1e846e5d1e4afb6d9283247b80b45d01d4bc41c4346c9cdcd627c58
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe2cc6cd0285fa29506c96762dee8b25a4614ec06e1ac026a401dafbbd05810d
[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" "fe2cc6cd0285fa29506c96762dee8b25a4614ec06e1ac026a401dafbbd05810d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking lines v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linemapper.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     try!(map_lines(r, |_| { lines += 1; true }));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/linemapper.rs:57:54
[INFO] [stdout]    |
[INFO] [stdout] 57 |                         line_start.extend_from_slice((&b[..i+1]));
[INFO] [stdout]    |                                                      ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linereader.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |             self.cap = try!(self.inner.read(&mut self.buf[..]));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linereader.rs:179:26
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 let $inp = try!(r.read_line());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 | /     try_read_lines!(line in r, {
[INFO] [stdout] 193 | |         lines += 1;
[INFO] [stdout] 194 | |     });
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linemapper.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     try!(map_lines(r, |_| { lines += 1; true }));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/linemapper.rs:57:54
[INFO] [stdout]    |
[INFO] [stdout] 57 |                         line_start.extend_from_slice((&b[..i+1]));
[INFO] [stdout]    |                                                      ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linereader.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |             self.cap = try!(self.inner.read(&mut self.buf[..]));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/linereader.rs:179:26
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 let $inp = try!(r.read_line());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 | /     try_read_lines!(line in r, {
[INFO] [stdout] 193 | |         lines += 1;
[INFO] [stdout] 194 | |     });
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> benches/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(br.read_line(&mut line));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "fe2cc6cd0285fa29506c96762dee8b25a4614ec06e1ac026a401dafbbd05810d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe2cc6cd0285fa29506c96762dee8b25a4614ec06e1ac026a401dafbbd05810d", kill_on_drop: false }`
[INFO] [stdout] fe2cc6cd0285fa29506c96762dee8b25a4614ec06e1ac026a401dafbbd05810d