[INFO] crate frank_jwt 3.1.1 is already in cache
[INFO] extracting crate frank_jwt 3.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/frank_jwt/3.1.1
[INFO] extracting crate frank_jwt 3.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frank_jwt/3.1.1
[INFO] validating manifest of frank_jwt-3.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of frank_jwt-3.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing frank_jwt-3.1.1
[INFO] finished frobbing frank_jwt-3.1.1
[INFO] frobbed toml for frank_jwt-3.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/frank_jwt/3.1.1/Cargo.toml
[INFO] started frobbing frank_jwt-3.1.1
[INFO] finished frobbing frank_jwt-3.1.1
[INFO] frobbed toml for frank_jwt-3.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frank_jwt/3.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing frank_jwt-3.1.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/frank_jwt/3.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 10dd319344908f9489ef9a37cb98c638c068e767390ddff351f702886cb59465
[INFO] running `"docker" "start" "-a" "10dd319344908f9489ef9a37cb98c638c068e767390ddff351f702886cb59465"`
[INFO] [stderr]    Compiling frank_jwt v3.1.1 (/opt/crater/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: 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 1.47s
[INFO] running `"docker" "inspect" "10dd319344908f9489ef9a37cb98c638c068e767390ddff351f702886cb59465"`
[INFO] running `"docker" "rm" "-f" "10dd319344908f9489ef9a37cb98c638c068e767390ddff351f702886cb59465"`
[INFO] [stdout] 10dd319344908f9489ef9a37cb98c638c068e767390ddff351f702886cb59465
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/frank_jwt/3.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b29afc62b39cc6dcf19fb2c19cfbadde01e2dcc03a53234e554d3e812915a278
[INFO] running `"docker" "start" "-a" "b29afc62b39cc6dcf19fb2c19cfbadde01e2dcc03a53234e554d3e812915a278"`
[INFO] [stderr]    Compiling frank_jwt v3.1.1 (/opt/crater/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: `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]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `"docker" "inspect" "b29afc62b39cc6dcf19fb2c19cfbadde01e2dcc03a53234e554d3e812915a278"`
[INFO] running `"docker" "rm" "-f" "b29afc62b39cc6dcf19fb2c19cfbadde01e2dcc03a53234e554d3e812915a278"`
[INFO] [stdout] b29afc62b39cc6dcf19fb2c19cfbadde01e2dcc03a53234e554d3e812915a278
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/frank_jwt/3.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9853bb69e144184164ae93b42b612c40a6bed43d4cebc1794714b4a0154cfb12
[INFO] running `"docker" "start" "-a" "9853bb69e144184164ae93b42b612c40a6bed43d4cebc1794714b4a0154cfb12"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/frank_jwt-b5370e4bdc4f5a74
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::test_decode_valid_jwt_hs256 ... ok
[INFO] [stdout] test tests::test_decode_valid_jwt_rs256 ... ok
[INFO] [stdout] test tests::test_decode_valid_jwt_rs256_and_check_deeply ... ok
[INFO] [stdout] test tests::test_encode_and_decode_jwt_hs256 ... ok
[INFO] [stdout] test tests::test_encode_and_decode_jwt_hs512 ... ok
[INFO] [stdout] test tests::test_encode_and_decode_jwt_rs256 ... ok
[INFO] [stdout] test tests::test_encode_and_decode_jwt_hs384 ... ok
[INFO] [stdout] test tests::test_fails_when_secure_compare_different_strings ... ok
[INFO] [stdout] test tests::test_encode_and_decode_jwt_ec ... ok
[INFO] [stdout] test tests::test_validate_signature_jwt_ec ... ok
[INFO] [stdout] test tests::test_encoded_validate_signature_jwt_rs256_invalid ... ok
[INFO] [stdout] test tests::test_encoded_validate_signature_jwt_rs256 ... ok
[INFO] [stdout] test tests::test_secure_compare_same_strings ... ok
[INFO] [stdout] test tests::test_header_typ_override ... ok
[INFO] [stdout] test tests::test_validate_signature_jwt_ec_invalid_length ... ok
[INFO] [stdout] test tests::test_validate_signature_jwt_hs256 ... ok
[INFO] [stdout] test tests::test_validate_signature_jwt_hs384 ... ok
[INFO] [stdout] test tests::test_validate_signature_jwt_hs384_invalid ... ok
[INFO] [stdout] test tests::test_validate_signature_jwt_hs256_invalid ... ok
[INFO] [stdout] test tests::test_validate_signature_jwt_ec_invalid ... ok
[INFO] [stdout] test tests::test_validate_signature_with_header_jwt_hs256 ... ok
[INFO] [stdout] test tests::test_validate_signature_jwt_hs512_invalid ... ok
[INFO] [stdout] test tests::test_validate_signature_jwt_rs256_invalid ... ok
[INFO] [stdout] test tests::test_validate_signature_jwt_hs512 ... ok
[INFO] [stdout] test tests::test_validate_signature_jwt_rs256 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frank_jwt
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9853bb69e144184164ae93b42b612c40a6bed43d4cebc1794714b4a0154cfb12"`
[INFO] running `"docker" "rm" "-f" "9853bb69e144184164ae93b42b612c40a6bed43d4cebc1794714b4a0154cfb12"`
[INFO] [stdout] 9853bb69e144184164ae93b42b612c40a6bed43d4cebc1794714b4a0154cfb12