[INFO] fetching crate jsonwebtoken-hs256 0.1.0...
[INFO] testing jsonwebtoken-hs256-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate jsonwebtoken-hs256 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate jsonwebtoken-hs256 0.1.0
[INFO] finished tweaking crates.io crate jsonwebtoken-hs256 0.1.0
[INFO] tweaked toml for crates.io crate jsonwebtoken-hs256 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jsonwebtoken-hs256 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding ring v0.16.20 (available: v0.17.14)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e520b64e4fbf878d0049d7aa89d9e080d38ac41c7d1b6013fc4c3c5af7e1ead
[INFO] running `Command { std: "docker" "start" "-a" "6e520b64e4fbf878d0049d7aa89d9e080d38ac41c7d1b6013fc4c3c5af7e1ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e520b64e4fbf878d0049d7aa89d9e080d38ac41c7d1b6013fc4c3c5af7e1ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e520b64e4fbf878d0049d7aa89d9e080d38ac41c7d1b6013fc4c3c5af7e1ead", kill_on_drop: false }`
[INFO] [stdout] 6e520b64e4fbf878d0049d7aa89d9e080d38ac41c7d1b6013fc4c3c5af7e1ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaa41c9e579f0cc2d11b787f719ba19b4654af3957488fa31303b0813863ee62
[INFO] running `Command { std: "docker" "start" "-a" "eaa41c9e579f0cc2d11b787f719ba19b4654af3957488fa31303b0813863ee62", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling jsonwebtoken-hs256 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `BorrowedCowIfPossible` is never constructed
[INFO] [stdout]    --> src/lib.rs:247:8
[INFO] [stdout]     |
[INFO] [stdout] 247 | struct BorrowedCowIfPossible<'a>(#[serde(borrow)] Cow<'a, str>);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.68s
[INFO] running `Command { std: "docker" "inspect" "eaa41c9e579f0cc2d11b787f719ba19b4654af3957488fa31303b0813863ee62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa41c9e579f0cc2d11b787f719ba19b4654af3957488fa31303b0813863ee62", kill_on_drop: false }`
[INFO] [stdout] eaa41c9e579f0cc2d11b787f719ba19b4654af3957488fa31303b0813863ee62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1e07b253f25e23d52e1a7b453ae37dfd0f65c0f2bdae37d025bbf4ebd18a8e7
[INFO] running `Command { std: "docker" "start" "-a" "d1e07b253f25e23d52e1a7b453ae37dfd0f65c0f2bdae37d025bbf4ebd18a8e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonwebtoken-hs256 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `BorrowedCowIfPossible` is never constructed
[INFO] [stdout]    --> src/lib.rs:247:8
[INFO] [stdout]     |
[INFO] [stdout] 247 | struct BorrowedCowIfPossible<'a>(#[serde(borrow)] Cow<'a, str>);
[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 `BorrowedCowIfPossible` is never constructed
[INFO] [stdout]    --> src/lib.rs:247:8
[INFO] [stdout]     |
[INFO] [stdout] 247 | struct BorrowedCowIfPossible<'a>(#[serde(borrow)] Cow<'a, str>);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "d1e07b253f25e23d52e1a7b453ae37dfd0f65c0f2bdae37d025bbf4ebd18a8e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e07b253f25e23d52e1a7b453ae37dfd0f65c0f2bdae37d025bbf4ebd18a8e7", kill_on_drop: false }`
[INFO] [stdout] d1e07b253f25e23d52e1a7b453ae37dfd0f65c0f2bdae37d025bbf4ebd18a8e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 300c99abfe59f4d709b42f263e8a25953653acf7a5c0eaa9bda07db2dac0c391
[INFO] running `Command { std: "docker" "start" "-a" "300c99abfe59f4d709b42f263e8a25953653acf7a5c0eaa9bda07db2dac0c391", kill_on_drop: false }`
[INFO] [stderr] warning: struct `BorrowedCowIfPossible` is never constructed
[INFO] [stderr]    --> src/lib.rs:247:8
[INFO] [stderr]     |
[INFO] [stderr] 247 | struct BorrowedCowIfPossible<'a>(#[serde(borrow)] Cow<'a, str>);
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jsonwebtoken-hs256` (lib) generated 1 warning
[INFO] [stderr] warning: `jsonwebtoken-hs256` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jsonwebtoken_hs256-3f7f3f296e2c5594)
[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]    Doc-tests jsonwebtoken_hs256
[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" "300c99abfe59f4d709b42f263e8a25953653acf7a5c0eaa9bda07db2dac0c391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300c99abfe59f4d709b42f263e8a25953653acf7a5c0eaa9bda07db2dac0c391", kill_on_drop: false }`
[INFO] [stdout] 300c99abfe59f4d709b42f263e8a25953653acf7a5c0eaa9bda07db2dac0c391