[INFO] cloning repository https://github.com/jmg292/chacha20_poly1305_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmg292/chacha20_poly1305_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg292%2Fchacha20_poly1305_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg292%2Fchacha20_poly1305_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af04b468e1fb379d31e9bfdfc51bb52a7c332606
[INFO] checking jmg292/chacha20_poly1305_rs against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg292%2Fchacha20_poly1305_rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmg292/chacha20_poly1305_rs on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmg292/chacha20_poly1305_rs
[INFO] finished tweaking git repo https://github.com/jmg292/chacha20_poly1305_rs
[INFO] tweaked toml for git repo https://github.com/jmg292/chacha20_poly1305_rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jmg292/chacha20_poly1305_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24d10c1359166a7ab8090cc80ea249e1cd0686e30c20f523bcf0c416ee680d36
[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" "24d10c1359166a7ab8090cc80ea249e1cd0686e30c20f523bcf0c416ee680d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24d10c1359166a7ab8090cc80ea249e1cd0686e30c20f523bcf0c416ee680d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d10c1359166a7ab8090cc80ea249e1cd0686e30c20f523bcf0c416ee680d36", kill_on_drop: false }`
[INFO] [stdout] 24d10c1359166a7ab8090cc80ea249e1cd0686e30c20f523bcf0c416ee680d36
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72a8dc2d961207ff1bb60c7e49b12d67cdf5d5a7afddd8fa09eaa04dea01725a
[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" "72a8dc2d961207ff1bb60c7e49b12d67cdf5d5a7afddd8fa09eaa04dea01725a", kill_on_drop: false }`
[INFO] [stderr]     Checking cipher-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/crypto/utils/u256.rs:141:32
[INFO] [stdout]     |
[INFO] [stdout] 141 |             first_is_larger |= (first_byte_is_larger & !second_is_larger);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/crypto/utils/u256.rs:142:33
[INFO] [stdout]     |
[INFO] [stdout] 142 |             second_is_larger |= (second_byte_is_larger & !first_is_larger);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/crypto/utils/u256.rs:209:29
[INFO] [stdout]     |
[INFO] [stdout] 209 |             partial_mask |= (0x01 << (7 - i))
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/crypto/utils/u256.rs:243:29
[INFO] [stdout]     |
[INFO] [stdout] 243 |             partial_mask |= (0x01 << i)
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::u256::U256`
[INFO] [stdout]  --> src/crypto/utils/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use self::u256::U256;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/crypto/utils/u256.rs:141:32
[INFO] [stdout]     |
[INFO] [stdout] 141 |             first_is_larger |= (first_byte_is_larger & !second_is_larger);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/crypto/utils/u256.rs:142:33
[INFO] [stdout]     |
[INFO] [stdout] 142 |             second_is_larger |= (second_byte_is_larger & !first_is_larger);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/crypto/utils/u256.rs:209:29
[INFO] [stdout]     |
[INFO] [stdout] 209 |             partial_mask |= (0x01 << (7 - i))
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/crypto/utils/u256.rs:243:29
[INFO] [stdout]     |
[INFO] [stdout] 243 |             partial_mask |= (0x01 << i)
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::u256::U256`
[INFO] [stdout]  --> src/crypto/utils/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use self::u256::U256;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_hex_string`
[INFO] [stdout]  --> src/crypto/utils/u256.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn to_hex_string(self) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `word_to_bytes`
[INFO] [stdout]   --> src/crypto/utils/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn word_to_bytes(word: u32) -> [u8; 4] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_hex_string`
[INFO] [stdout]  --> src/crypto/utils/u256.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn to_hex_string(self) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `word_to_bytes`
[INFO] [stdout]   --> src/crypto/utils/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn word_to_bytes(word: u32) -> [u8; 4] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "72a8dc2d961207ff1bb60c7e49b12d67cdf5d5a7afddd8fa09eaa04dea01725a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a8dc2d961207ff1bb60c7e49b12d67cdf5d5a7afddd8fa09eaa04dea01725a", kill_on_drop: false }`
[INFO] [stdout] 72a8dc2d961207ff1bb60c7e49b12d67cdf5d5a7afddd8fa09eaa04dea01725a