[INFO] fetching crate num-rational 0.2.3...
[INFO] checking num-rational-0.2.3 against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] extracting crate num-rational 0.2.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate num-rational 0.2.3 on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate num-rational 0.2.3
[INFO] finished tweaking crates.io crate num-rational 0.2.3
[INFO] tweaked toml for crates.io crate num-rational 0.2.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca0a54f4cd324bc6a74180dbe104af04c0ab0367c974ee01cec4a7dd33bc8620
[INFO] running `"docker" "start" "-a" "ca0a54f4cd324bc6a74180dbe104af04c0ab0367c974ee01cec4a7dd33bc8620"`
[INFO] [stderr]    Compiling num-rational v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1089:17
[INFO] [stderr]      |
[INFO] [stderr] 1089 |         let n = try!(split.next().ok_or(ParseRatioError {
[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/lib.rs:1092:19
[INFO] [stderr]      |
[INFO] [stderr] 1092 |         let num = try!(FromStr::from_str(n).map_err(|_| ParseRatioError {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1097:19
[INFO] [stderr]      |
[INFO] [stderr] 1097 |         let den = try!(FromStr::from_str(d).map_err(|_| ParseRatioError {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1089:17
[INFO] [stderr]      |
[INFO] [stderr] 1089 |         let n = try!(split.next().ok_or(ParseRatioError {
[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/lib.rs:1092:19
[INFO] [stderr]      |
[INFO] [stderr] 1092 |         let num = try!(FromStr::from_str(n).map_err(|_| ParseRatioError {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1097:19
[INFO] [stderr]      |
[INFO] [stderr] 1097 |         let den = try!(FromStr::from_str(d).map_err(|_| ParseRatioError {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `"docker" "inspect" "ca0a54f4cd324bc6a74180dbe104af04c0ab0367c974ee01cec4a7dd33bc8620"`
[INFO] running `"docker" "rm" "-f" "ca0a54f4cd324bc6a74180dbe104af04c0ab0367c974ee01cec4a7dd33bc8620"`
[INFO] [stdout] ca0a54f4cd324bc6a74180dbe104af04c0ab0367c974ee01cec4a7dd33bc8620