[INFO] fetching crate frank_jwt 3.1.2...
[INFO] checking frank_jwt-3.1.2 against beta for pr-78714
[INFO] extracting crate frank_jwt 3.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate frank_jwt 3.1.2 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 frank_jwt 3.1.2
[INFO] finished tweaking crates.io crate frank_jwt 3.1.2
[INFO] tweaked toml for crates.io crate frank_jwt 3.1.2 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 730817d163db131f74b79948055efae9c1b636186ef0d00495f8239c1d3971fc
[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" "730817d163db131f74b79948055efae9c1b636186ef0d00495f8239c1d3971fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "730817d163db131f74b79948055efae9c1b636186ef0d00495f8239c1d3971fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730817d163db131f74b79948055efae9c1b636186ef0d00495f8239c1d3971fc", kill_on_drop: false }`
[INFO] [stdout] 730817d163db131f74b79948055efae9c1b636186ef0d00495f8239c1d3971fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6292240e9cd2710f897e6c4abbaed3ba3d33f91cca4f633276d8d72e4e6c3c85
[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" "6292240e9cd2710f897e6c4abbaed3ba3d33f91cca4f633276d8d72e4e6c3c85", kill_on_drop: false }`
[INFO] [stderr]     Checking frank_jwt v3.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `since_the_epoch`
[INFO] [stdout]    --> src/lib.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |     let since_the_epoch = start.duration_since(UNIX_EPOCH).expect("invalid timestamp");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_since_the_epoch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_not_before`
[INFO] [stdout]    --> src/lib.rs:351:4
[INFO] [stdout]     |
[INFO] [stdout] 351 | fn verify_not_before() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_sub`
[INFO] [stdout]    --> src/lib.rs:355:4
[INFO] [stdout]     |
[INFO] [stdout] 355 | fn verify_sub() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_jti`
[INFO] [stdout]    --> src/lib.rs:359:4
[INFO] [stdout]     |
[INFO] [stdout] 359 | fn verify_jti() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_iss`
[INFO] [stdout]    --> src/lib.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn verify_iss() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_iat`
[INFO] [stdout]    --> src/lib.rs:367:4
[INFO] [stdout]     |
[INFO] [stdout] 367 | fn verify_iat() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_aud`
[INFO] [stdout]    --> src/lib.rs:397:4
[INFO] [stdout]     |
[INFO] [stdout] 397 | fn verify_aud() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `since_the_epoch`
[INFO] [stdout]    --> src/lib.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |     let since_the_epoch = start.duration_since(UNIX_EPOCH).expect("invalid timestamp");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_since_the_epoch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/lib.rs:425:13
[INFO] [stdout]     |
[INFO] [stdout] 425 |         let p1 = json!({
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/lib.rs:626:13
[INFO] [stdout]     |
[INFO] [stdout] 626 |         let p1 = json!({
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/lib.rs:727:13
[INFO] [stdout]     |
[INFO] [stdout] 727 |         let p1 = json!({
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]    --> src/lib.rs:732:13
[INFO] [stdout]     |
[INFO] [stdout] 732 |         let header = json!({});
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_not_before`
[INFO] [stdout]    --> src/lib.rs:351:4
[INFO] [stdout]     |
[INFO] [stdout] 351 | fn verify_not_before() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_sub`
[INFO] [stdout]    --> src/lib.rs:355:4
[INFO] [stdout]     |
[INFO] [stdout] 355 | fn verify_sub() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_jti`
[INFO] [stdout]    --> src/lib.rs:359:4
[INFO] [stdout]     |
[INFO] [stdout] 359 | fn verify_jti() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_iss`
[INFO] [stdout]    --> src/lib.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn verify_iss() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_iat`
[INFO] [stdout]    --> src/lib.rs:367:4
[INFO] [stdout]     |
[INFO] [stdout] 367 | fn verify_iat() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_aud`
[INFO] [stdout]    --> src/lib.rs:397:4
[INFO] [stdout]     |
[INFO] [stdout] 397 | fn verify_aud() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "6292240e9cd2710f897e6c4abbaed3ba3d33f91cca4f633276d8d72e4e6c3c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6292240e9cd2710f897e6c4abbaed3ba3d33f91cca4f633276d8d72e4e6c3c85", kill_on_drop: false }`
[INFO] [stdout] 6292240e9cd2710f897e6c4abbaed3ba3d33f91cca4f633276d8d72e4e6c3c85