[INFO] crate luhn-rs 0.0.1 is already in cache
[INFO] checking luhn-rs-0.0.1 against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] extracting crate luhn-rs 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate luhn-rs 0.0.1 on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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] b80931c63bbf665906cac659c637630b748d9dd2c3190e3b352dd2fa8bffd899
[INFO] running `"docker" "start" "-a" "b80931c63bbf665906cac659c637630b748d9dd2c3190e3b352dd2fa8bffd899"`
[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 1.18s
[INFO] running `"docker" "inspect" "b80931c63bbf665906cac659c637630b748d9dd2c3190e3b352dd2fa8bffd899"`
[INFO] running `"docker" "rm" "-f" "b80931c63bbf665906cac659c637630b748d9dd2c3190e3b352dd2fa8bffd899"`
[INFO] [stdout] b80931c63bbf665906cac659c637630b748d9dd2c3190e3b352dd2fa8bffd899