[INFO] fetching crate lamport_signatures 0.2.4...
[INFO] checking lamport_signatures-0.2.4 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate lamport_signatures 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lamport_signatures 0.2.4 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lamport_signatures 0.2.4
[INFO] finished tweaking crates.io crate lamport_signatures 0.2.4
[INFO] tweaked toml for crates.io crate lamport_signatures 0.2.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6b231f9f8eea4834f400daf6107eec61d0ce696b983cb5a5e7c736f7e968ad7
[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" "a6b231f9f8eea4834f400daf6107eec61d0ce696b983cb5a5e7c736f7e968ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6b231f9f8eea4834f400daf6107eec61d0ce696b983cb5a5e7c736f7e968ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b231f9f8eea4834f400daf6107eec61d0ce696b983cb5a5e7c736f7e968ad7", kill_on_drop: false }`
[INFO] [stdout] a6b231f9f8eea4834f400daf6107eec61d0ce696b983cb5a5e7c736f7e968ad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b391efea963bbacb0959be7036e62707b8e445c4f54299a5c7a6679bb311ee2b
[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" "b391efea963bbacb0959be7036e62707b8e445c4f54299a5c7a6679bb311ee2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking lamport_signatures v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lamport_utils.rs:94:33
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn gen_secret_key()->Result<(PrivKey),Box<Unspecified>>{
[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 function argument
[INFO] [stdout]    --> src/lamport_utils.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Ok((PrivKey{tuples : pairs}))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lamport_utils.rs:94:33
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn gen_secret_key()->Result<(PrivKey),Box<Unspecified>>{
[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 function argument
[INFO] [stdout]    --> src/lamport_utils.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Ok((PrivKey{tuples : pairs}))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lamport_utils.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     for i in 0..256{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lamport_utils.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |         for (index,b) in h.iter().enumerate(){
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lamport_utils.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |         for (index,b) in digest.iter().enumerate(){
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lamport_utils.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     for i in 0..256{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `privKey` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:103:23
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn derive_pub_key(privKey : & PrivKey)-> PubKey{
[INFO] [stdout]     |                       ^^^^^^^ help: convert the identifier to snake case: `priv_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `secA` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:106:14
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let (secA,secB) = privKey.get_tuple(i);         
[INFO] [stdout]     |              ^^^^ help: convert the identifier to snake case: `sec_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `secB` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:106:19
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let (secA,secB) = privKey.get_tuple(i);         
[INFO] [stdout]     |                   ^^^^ help: convert the identifier to snake case: `sec_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashA` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let hashA = digest::digest(&digest::SHA256, &secA);
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `hash_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashB` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let hashB = digest::digest(&digest::SHA256, &secB);
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `hash_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `array_hashA` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let mut array_hashA = [0u8; 32];
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `array_hash_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `array_hashB` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut array_hashB = [0u8; 32];
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `array_hash_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lamport_utils.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |         for (index,b) in h.iter().enumerate(){
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lamport_utils.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |         for (index,b) in digest.iter().enumerate(){
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `privKey` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:103:23
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn derive_pub_key(privKey : & PrivKey)-> PubKey{
[INFO] [stdout]     |                       ^^^^^^^ help: convert the identifier to snake case: `priv_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `secA` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:106:14
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let (secA,secB) = privKey.get_tuple(i);         
[INFO] [stdout]     |              ^^^^ help: convert the identifier to snake case: `sec_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `secB` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:106:19
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let (secA,secB) = privKey.get_tuple(i);         
[INFO] [stdout]     |                   ^^^^ help: convert the identifier to snake case: `sec_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashA` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let hashA = digest::digest(&digest::SHA256, &secA);
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `hash_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashB` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let hashB = digest::digest(&digest::SHA256, &secB);
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `hash_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `array_hashA` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let mut array_hashA = [0u8; 32];
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `array_hash_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `array_hashB` should have a snake case name
[INFO] [stdout]    --> src/lamport_utils.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut array_hashB = [0u8; 32];
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `array_hash_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `Command { std: "docker" "inspect" "b391efea963bbacb0959be7036e62707b8e445c4f54299a5c7a6679bb311ee2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b391efea963bbacb0959be7036e62707b8e445c4f54299a5c7a6679bb311ee2b", kill_on_drop: false }`
[INFO] [stdout] b391efea963bbacb0959be7036e62707b8e445c4f54299a5c7a6679bb311ee2b