[INFO] fetching crate num-rational 0.2.2...
[INFO] checking num-rational-0.2.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate num-rational 0.2.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate num-rational 0.2.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate num-rational 0.2.2
[INFO] finished tweaking crates.io crate num-rational 0.2.2
[INFO] tweaked toml for crates.io crate num-rational 0.2.2 written to /workspace/builds/worker-3/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d117aa8b04b8defc2f7adcafa260a0a247499f0f6530b3516fe50a98ce1d8b09
[INFO] running `"docker" "start" "-a" "d117aa8b04b8defc2f7adcafa260a0a247499f0f6530b3516fe50a98ce1d8b09"`
[INFO] [stderr]    Compiling num-rational v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1015:17
[INFO] [stderr]      |
[INFO] [stderr] 1015 |         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:1018:19
[INFO] [stderr]      |
[INFO] [stderr] 1018 |         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:1023:19
[INFO] [stderr]      |
[INFO] [stderr] 1023 |         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:1015:17
[INFO] [stderr]      |
[INFO] [stderr] 1015 |         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:1018:19
[INFO] [stderr]      |
[INFO] [stderr] 1018 |         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:1023:19
[INFO] [stderr]      |
[INFO] [stderr] 1023 |         let den = try!(FromStr::from_str(d).map_err(|_| ParseRatioError {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `"docker" "inspect" "d117aa8b04b8defc2f7adcafa260a0a247499f0f6530b3516fe50a98ce1d8b09"`
[INFO] running `"docker" "rm" "-f" "d117aa8b04b8defc2f7adcafa260a0a247499f0f6530b3516fe50a98ce1d8b09"`
[INFO] [stdout] d117aa8b04b8defc2f7adcafa260a0a247499f0f6530b3516fe50a98ce1d8b09