[INFO] fetching crate slr_config 0.0.18...
[INFO] checking slr_config-0.0.18 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate slr_config 0.0.18 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate slr_config 0.0.18 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slr_config 0.0.18
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate slr_config 0.0.18
[INFO] tweaked toml for crates.io crate slr_config 0.0.18 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 713b9802dfbe35986953d82b800f128b8ea8cbdafdcfa6e04ee78b736a8c3337
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "713b9802dfbe35986953d82b800f128b8ea8cbdafdcfa6e04ee78b736a8c3337"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking slr_parser v0.0.18
[INFO] [stderr]     Checking slr_config v0.0.18 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config_element.rs:72:3
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(root.from_source_with_init(source));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:233:22
[INFO] [stderr]     |
[INFO] [stderr] 233 |             Value(ref val) => try!(printer.value(name, &val)),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 236 |                 try!(printer.start_table(name, is_root, table.is_empty()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:239:6
[INFO] [stderr]     |
[INFO] [stderr] 239 |                     try!(v.print(Some(k), false, printer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 |                 try!(printer.end_table(is_root));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 try!(printer.start_array(name, one_line));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:264:6
[INFO] [stderr]     |
[INFO] [stderr] 264 |                     try!(v.print(None, false, printer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 try!(printer.end_array());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:280:4
[INFO] [stderr]     |
[INFO] [stderr] 280 |             try!(self.print(None, true, &mut printer).map_err(|_| fmt::Error));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:282:3
[INFO] [stderr]     |
[INFO] [stderr] 282 |         try!(write!(formatter, "{}", try!(from_utf8(&buf).map_err(|_| fmt::Error))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:282:32
[INFO] [stderr]     |
[INFO] [stderr] 282 |         try!(write!(formatter, "{}", try!(from_utf8(&buf).map_err(|_| fmt::Error))));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config_element.rs:72:3
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(root.from_source_with_init(source));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:233:22
[INFO] [stderr]     |
[INFO] [stderr] 233 |             Value(ref val) => try!(printer.value(name, &val)),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 236 |                 try!(printer.start_table(name, is_root, table.is_empty()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:239:6
[INFO] [stderr]     |
[INFO] [stderr] 239 |                     try!(v.print(Some(k), false, printer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 |                 try!(printer.end_table(is_root));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 try!(printer.start_array(name, one_line));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:264:6
[INFO] [stderr]     |
[INFO] [stderr] 264 |                     try!(v.print(None, false, printer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 try!(printer.end_array());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:280:4
[INFO] [stderr]     |
[INFO] [stderr] 280 |             try!(self.print(None, true, &mut printer).map_err(|_| fmt::Error));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:282:3
[INFO] [stderr]     |
[INFO] [stderr] 282 |         try!(write!(formatter, "{}", try!(from_utf8(&buf).map_err(|_| fmt::Error))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/config_element.rs:282:32
[INFO] [stderr]     |
[INFO] [stderr] 282 |         try!(write!(formatter, "{}", try!(from_utf8(&buf).map_err(|_| fmt::Error))));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.33s
[INFO] running `"docker" "inspect" "713b9802dfbe35986953d82b800f128b8ea8cbdafdcfa6e04ee78b736a8c3337"`
[INFO] running `"docker" "rm" "-f" "713b9802dfbe35986953d82b800f128b8ea8cbdafdcfa6e04ee78b736a8c3337"`
[INFO] [stdout] 713b9802dfbe35986953d82b800f128b8ea8cbdafdcfa6e04ee78b736a8c3337