[INFO] fetching crate rustywt 0.1.0...
[INFO] testing rustywt-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rustywt 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rustywt 0.1.0
[INFO] finished tweaking crates.io crate rustywt 0.1.0
[INFO] tweaked toml for crates.io crate rustywt 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustywt 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustywt 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c56aee48d2e98f1a3f707a3446d66007282eb0ec22792e4dbe3f1eff3a63dc2
[INFO] running `Command { std: "docker" "start" "-a" "4c56aee48d2e98f1a3f707a3446d66007282eb0ec22792e4dbe3f1eff3a63dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c56aee48d2e98f1a3f707a3446d66007282eb0ec22792e4dbe3f1eff3a63dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c56aee48d2e98f1a3f707a3446d66007282eb0ec22792e4dbe3f1eff3a63dc2", kill_on_drop: false }`
[INFO] [stdout] 4c56aee48d2e98f1a3f707a3446d66007282eb0ec22792e4dbe3f1eff3a63dc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97c82358c7d40e64102990b8301d17078189b1e6e808b68edcca6d4634a9bdf8
[INFO] running `Command { std: "docker" "start" "-a" "97c82358c7d40e64102990b8301d17078189b1e6e808b68edcca6d4634a9bdf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling hex-literal v0.4.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.213
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling rustywt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hex_literal::hex`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex_literal::hex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `digest::generic_array::GenericArray`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hmac::{digest::generic_array::GenericArray, Hmac, Mac};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cipher`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let cipher = cipher_hs256(provided_256_bit_key);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cipher`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JWT` is never constructed
[INFO] [stdout]  --> src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct JWT<T>
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Header` is never constructed
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Header {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `signature_jwt` is never used
[INFO] [stdout]   --> src/main.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn signature_jwt(alghoritm: &str) -> Header {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.49s
[INFO] running `Command { std: "docker" "inspect" "97c82358c7d40e64102990b8301d17078189b1e6e808b68edcca6d4634a9bdf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c82358c7d40e64102990b8301d17078189b1e6e808b68edcca6d4634a9bdf8", kill_on_drop: false }`
[INFO] [stdout] 97c82358c7d40e64102990b8301d17078189b1e6e808b68edcca6d4634a9bdf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 030896864adfffc76247c0ef34e3702869f46d7f7156cf7d3afc4dfe49d85c19
[INFO] running `Command { std: "docker" "start" "-a" "030896864adfffc76247c0ef34e3702869f46d7f7156cf7d3afc4dfe49d85c19", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustywt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hex_literal::hex`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex_literal::hex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `digest::generic_array::GenericArray`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hmac::{digest::generic_array::GenericArray, Hmac, Mac};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cipher`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let cipher = cipher_hs256(provided_256_bit_key);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cipher`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JWT` is never constructed
[INFO] [stdout]  --> src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct JWT<T>
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Header` is never constructed
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Header {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `signature_jwt` is never used
[INFO] [stdout]   --> src/main.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn signature_jwt(alghoritm: &str) -> Header {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "030896864adfffc76247c0ef34e3702869f46d7f7156cf7d3afc4dfe49d85c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030896864adfffc76247c0ef34e3702869f46d7f7156cf7d3afc4dfe49d85c19", kill_on_drop: false }`
[INFO] [stdout] 030896864adfffc76247c0ef34e3702869f46d7f7156cf7d3afc4dfe49d85c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b6c2b78d8b117ff527079ef2e392677baf07d5f48f46e36f7d4237131dfbadf
[INFO] running `Command { std: "docker" "start" "-a" "2b6c2b78d8b117ff527079ef2e392677baf07d5f48f46e36f7d4237131dfbadf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `hex_literal::hex`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hex_literal::hex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `digest::generic_array::GenericArray`
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use hmac::{digest::generic_array::GenericArray, Hmac, Mac};
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cipher`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let cipher = cipher_hs256(provided_256_bit_key);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cipher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `JWT` is never constructed
[INFO] [stderr]  --> src/main.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct JWT<T>
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Header` is never constructed
[INFO] [stderr]   --> src/main.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Header {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `signature_jwt` is never used
[INFO] [stderr]   --> src/main.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn signature_jwt(alghoritm: &str) -> Header {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustywt` (bin "rustywt" test) generated 6 warnings (run `cargo fix --bin "rustywt" -p rustywt --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustywt-b3ea8cc63bf5573d)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustywt-54bde8397447974a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustywt
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b6c2b78d8b117ff527079ef2e392677baf07d5f48f46e36f7d4237131dfbadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6c2b78d8b117ff527079ef2e392677baf07d5f48f46e36f7d4237131dfbadf", kill_on_drop: false }`
[INFO] [stdout] 2b6c2b78d8b117ff527079ef2e392677baf07d5f48f46e36f7d4237131dfbadf