[INFO] fetching crate luhn-rs 0.0.1...
[INFO] checking luhn-rs-0.0.1 against beta for pr-78714
[INFO] extracting crate luhn-rs 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate luhn-rs 0.0.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32e46aeb51e3a76814b6be7093345661833a98b78f9e840407481ec1da3974c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "32e46aeb51e3a76814b6be7093345661833a98b78f9e840407481ec1da3974c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32e46aeb51e3a76814b6be7093345661833a98b78f9e840407481ec1da3974c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e46aeb51e3a76814b6be7093345661833a98b78f9e840407481ec1da3974c8", kill_on_drop: false }`
[INFO] [stdout] 32e46aeb51e3a76814b6be7093345661833a98b78f9e840407481ec1da3974c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32fee9bbac91d6482fbe06e9280f94c155a0197841d20834963929a44caea421
[INFO] running `Command { std: "docker" "start" "-a" "32fee9bbac91d6482fbe06e9280f94c155a0197841d20834963929a44caea421", kill_on_drop: false }`
[INFO] [stderr]     Checking luhn-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:90:29
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let codepoint = try!(self.codepoint_from_character(ch));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:127:24
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let expected = try!(self.generate(head));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:142:24
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let expected = try!(self.generate(s));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:90:29
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let codepoint = try!(self.codepoint_from_character(ch));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:127:24
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let expected = try!(self.generate(head));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:142:24
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let expected = try!(self.generate(s));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `tests::rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> src/lib.rs:152:52
[INFO] [stdout]     |
[INFO] [stdout] 152 |     use self::rand::{Isaac64Rng, Rng, SeedableRng, sample, thread_rng};
[INFO] [stdout]     |                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `tests::rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> src/lib.rs:249:25
[INFO] [stdout]     |
[INFO] [stdout] 249 |             let chars = sample(&mut rng, &printable_chars, alphabet_size as usize)
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "32fee9bbac91d6482fbe06e9280f94c155a0197841d20834963929a44caea421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32fee9bbac91d6482fbe06e9280f94c155a0197841d20834963929a44caea421", kill_on_drop: false }`
[INFO] [stdout] 32fee9bbac91d6482fbe06e9280f94c155a0197841d20834963929a44caea421