[INFO] fetching crate frank_jwt 3.1.1...
[INFO] checking frank_jwt-3.1.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate frank_jwt 3.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate frank_jwt 3.1.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate frank_jwt 3.1.1
[INFO] finished tweaking crates.io crate frank_jwt 3.1.1
[INFO] tweaked toml for crates.io crate frank_jwt 3.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] f4d7858d519b3819ad3c1d89936a9da44faa5c9395a589eb079128dfa666e652
[INFO] running `"docker" "start" "-a" "f4d7858d519b3819ad3c1d89936a9da44faa5c9395a589eb079128dfa666e652"`
[INFO] [stderr]     Checking frank_jwt v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `since_the_epoch`
[INFO] [stderr]    --> src/lib.rs:344:9
[INFO] [stderr]     |
[INFO] [stderr] 344 |     let since_the_epoch = start.duration_since(UNIX_EPOCH).expect("invalid timestamp");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_since_the_epoch`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `since_the_epoch`
[INFO] [stderr]    --> src/lib.rs:344:9
[INFO] [stderr]     |
[INFO] [stderr] 344 |     let since_the_epoch = start.duration_since(UNIX_EPOCH).expect("invalid timestamp");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_since_the_epoch`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]    --> src/lib.rs:385:13
[INFO] [stderr]     |
[INFO] [stderr] 385 |         let p1 = json!({
[INFO] [stderr]     |             ^^ help: consider prefixing with an underscore: `_p1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]    --> src/lib.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |         let p1 = json!({
[INFO] [stderr]     |             ^^ help: consider prefixing with an underscore: `_p1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]    --> src/lib.rs:687:13
[INFO] [stderr]     |
[INFO] [stderr] 687 |         let p1 = json!({
[INFO] [stderr]     |             ^^ help: consider prefixing with an underscore: `_p1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `header`
[INFO] [stderr]    --> src/lib.rs:692:13
[INFO] [stderr]     |
[INFO] [stderr] 692 |         let header = json!({});
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_header`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_not_before`
[INFO] [stderr]    --> src/lib.rs:322:1
[INFO] [stderr]     |
[INFO] [stderr] 322 | fn verify_not_before() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_sub`
[INFO] [stderr]    --> src/lib.rs:326:1
[INFO] [stderr]     |
[INFO] [stderr] 326 | fn verify_sub() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_jti`
[INFO] [stderr]    --> src/lib.rs:330:1
[INFO] [stderr]     |
[INFO] [stderr] 330 | fn verify_jti() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_iss`
[INFO] [stderr]    --> src/lib.rs:334:1
[INFO] [stderr]     |
[INFO] [stderr] 334 | fn verify_iss() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_iat`
[INFO] [stderr]    --> src/lib.rs:338:1
[INFO] [stderr]     |
[INFO] [stderr] 338 | fn verify_iat() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_expiration`
[INFO] [stderr]    --> src/lib.rs:353:1
[INFO] [stderr]     |
[INFO] [stderr] 353 | fn verify_expiration() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_aud`
[INFO] [stderr]    --> src/lib.rs:357:1
[INFO] [stderr]     |
[INFO] [stderr] 357 | fn verify_aud() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_not_before`
[INFO] [stderr]    --> src/lib.rs:322:1
[INFO] [stderr]     |
[INFO] [stderr] 322 | fn verify_not_before() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_sub`
[INFO] [stderr]    --> src/lib.rs:326:1
[INFO] [stderr]     |
[INFO] [stderr] 326 | fn verify_sub() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_jti`
[INFO] [stderr]    --> src/lib.rs:330:1
[INFO] [stderr]     |
[INFO] [stderr] 330 | fn verify_jti() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_iss`
[INFO] [stderr]    --> src/lib.rs:334:1
[INFO] [stderr]     |
[INFO] [stderr] 334 | fn verify_iss() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_iat`
[INFO] [stderr]    --> src/lib.rs:338:1
[INFO] [stderr]     |
[INFO] [stderr] 338 | fn verify_iat() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_expiration`
[INFO] [stderr]    --> src/lib.rs:353:1
[INFO] [stderr]     |
[INFO] [stderr] 353 | fn verify_expiration() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_aud`
[INFO] [stderr]    --> src/lib.rs:357:1
[INFO] [stderr]     |
[INFO] [stderr] 357 | fn verify_aud() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "f4d7858d519b3819ad3c1d89936a9da44faa5c9395a589eb079128dfa666e652"`
[INFO] running `"docker" "rm" "-f" "f4d7858d519b3819ad3c1d89936a9da44faa5c9395a589eb079128dfa666e652"`
[INFO] [stdout] f4d7858d519b3819ad3c1d89936a9da44faa5c9395a589eb079128dfa666e652