[INFO] fetching crate web_token 0.3.0...
[INFO] testing web_token-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate web_token 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate web_token 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web_token 0.3.0
[INFO] finished tweaking crates.io crate web_token 0.3.0
[INFO] tweaked toml for crates.io crate web_token 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 159d9ebda82f2681fab040036a363f872780eac7e757fe1d93960b4201ae90d0
[INFO] running `Command { std: "docker" "start" "-a" "159d9ebda82f2681fab040036a363f872780eac7e757fe1d93960b4201ae90d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "159d9ebda82f2681fab040036a363f872780eac7e757fe1d93960b4201ae90d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159d9ebda82f2681fab040036a363f872780eac7e757fe1d93960b4201ae90d0", kill_on_drop: false }`
[INFO] [stdout] 159d9ebda82f2681fab040036a363f872780eac7e757fe1d93960b4201ae90d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e53caebaf2c8ec1f4b0a19b8ad8ce4d86af4f12e58cd6eeb17f5788774a4da3
[INFO] running `Command { std: "docker" "start" "-a" "7e53caebaf2c8ec1f4b0a19b8ad8ce4d86af4f12e58cd6eeb17f5788774a4da3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling web_token v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "7e53caebaf2c8ec1f4b0a19b8ad8ce4d86af4f12e58cd6eeb17f5788774a4da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e53caebaf2c8ec1f4b0a19b8ad8ce4d86af4f12e58cd6eeb17f5788774a4da3", kill_on_drop: false }`
[INFO] [stdout] 7e53caebaf2c8ec1f4b0a19b8ad8ce4d86af4f12e58cd6eeb17f5788774a4da3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 465b6eadf5de0d207607defd8d7bf9b3a5b73ba72ab5916e72147dba292b5cf5
[INFO] running `Command { std: "docker" "start" "-a" "465b6eadf5de0d207607defd8d7bf9b3a5b73ba72ab5916e72147dba292b5cf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling web_token v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.73s
[INFO] running `Command { std: "docker" "inspect" "465b6eadf5de0d207607defd8d7bf9b3a5b73ba72ab5916e72147dba292b5cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465b6eadf5de0d207607defd8d7bf9b3a5b73ba72ab5916e72147dba292b5cf5", kill_on_drop: false }`
[INFO] [stdout] 465b6eadf5de0d207607defd8d7bf9b3a5b73ba72ab5916e72147dba292b5cf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a0157da6b3d55b3b3ee3054697decd18caa184904e511ff14ee956fde1341d7
[INFO] running `Command { std: "docker" "start" "-a" "9a0157da6b3d55b3b3ee3054697decd18caa184904e511ff14ee956fde1341d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/web_token-224753e98c6104f7)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::it_generates_a_random_token_of_64_chars ... ok
[INFO] [stdout] test tests::it_is_comparable_to_str ... ok
[INFO] [stdout] test tests::it_is_built_from_str ... ok
[INFO] [stdout] test tests::it_is_comparable_to_another_token ... ok
[INFO] [stdout] test tests::it_is_debug_display ... ok
[INFO] [stderr]    Doc-tests web_token
[INFO] [stdout] test tests::it_is_built_from_alphanums_only - should panic ... ok
[INFO] [stdout] test tests::it_has_at_least_64_chars - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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" "9a0157da6b3d55b3b3ee3054697decd18caa184904e511ff14ee956fde1341d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0157da6b3d55b3b3ee3054697decd18caa184904e511ff14ee956fde1341d7", kill_on_drop: false }`
[INFO] [stdout] 9a0157da6b3d55b3b3ee3054697decd18caa184904e511ff14ee956fde1341d7