[INFO] crate luhn-rs 0.0.1 is already in cache
[INFO] checking luhn-rs-0.0.1 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] extracting crate luhn-rs 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate luhn-rs 0.0.1 on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate luhn-rs 0.0.1
[INFO] finished tweaking crates.io crate luhn-rs 0.0.1
[INFO] tweaked toml for crates.io crate luhn-rs 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4154df627738550c18959cea8a5a9582e75d481ed1abaee5329e676bf738d63e
[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" "4154df627738550c18959cea8a5a9582e75d481ed1abaee5329e676bf738d63e"`
[INFO] [stderr]     Checking luhn-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 |             let codepoint = try!(self.codepoint_from_character(ch));
[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:127:24
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let expected = try!(self.generate(head));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:142:24
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let expected = try!(self.generate(s));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 |             let codepoint = try!(self.codepoint_from_character(ch));
[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:127:24
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let expected = try!(self.generate(head));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:142:24
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let expected = try!(self.generate(s));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tests::rand::sample': renamed to seq::sample_iter
[INFO] [stderr]    --> src/lib.rs:152:52
[INFO] [stderr]     |
[INFO] [stderr] 152 |     use self::rand::{Isaac64Rng, Rng, SeedableRng, sample, thread_rng};
[INFO] [stderr]     |                                                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tests::rand::sample': renamed to seq::sample_iter
[INFO] [stderr]    --> src/lib.rs:249:25
[INFO] [stderr]     |
[INFO] [stderr] 249 |             let chars = sample(&mut rng, &printable_chars, alphabet_size as usize)
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "4154df627738550c18959cea8a5a9582e75d481ed1abaee5329e676bf738d63e"`
[INFO] running `"docker" "rm" "-f" "4154df627738550c18959cea8a5a9582e75d481ed1abaee5329e676bf738d63e"`
[INFO] [stdout] 4154df627738550c18959cea8a5a9582e75d481ed1abaee5329e676bf738d63e