[INFO] fetching crate serialzero 0.1.0...
[INFO] testing serialzero-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate serialzero 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate serialzero 0.1.0
[INFO] finished tweaking crates.io crate serialzero 0.1.0
[INFO] tweaked toml for crates.io crate serialzero 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialzero 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serialzero 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae5e353c0f83e43b5ef6c0254a2dfe748b5a51f9b03b31fd46c06f0074ddff24
[INFO] running `Command { std: "docker" "start" "-a" "ae5e353c0f83e43b5ef6c0254a2dfe748b5a51f9b03b31fd46c06f0074ddff24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae5e353c0f83e43b5ef6c0254a2dfe748b5a51f9b03b31fd46c06f0074ddff24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5e353c0f83e43b5ef6c0254a2dfe748b5a51f9b03b31fd46c06f0074ddff24", kill_on_drop: false }`
[INFO] [stdout] ae5e353c0f83e43b5ef6c0254a2dfe748b5a51f9b03b31fd46c06f0074ddff24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f5d9ed9ee84a24428d530176632d7f32f353b60f5ae85c69e68f779c13c0d79
[INFO] running `Command { std: "docker" "start" "-a" "3f5d9ed9ee84a24428d530176632d7f32f353b60f5ae85c69e68f779c13c0d79", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialzero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "3f5d9ed9ee84a24428d530176632d7f32f353b60f5ae85c69e68f779c13c0d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5d9ed9ee84a24428d530176632d7f32f353b60f5ae85c69e68f779c13c0d79", kill_on_drop: false }`
[INFO] [stdout] 3f5d9ed9ee84a24428d530176632d7f32f353b60f5ae85c69e68f779c13c0d79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20729a092eca492c7d0c5f22c5f448accbba6b75f249468132b83e397d62ec01
[INFO] running `Command { std: "docker" "start" "-a" "20729a092eca492c7d0c5f22c5f448accbba6b75f249468132b83e397d62ec01", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialzero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "20729a092eca492c7d0c5f22c5f448accbba6b75f249468132b83e397d62ec01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20729a092eca492c7d0c5f22c5f448accbba6b75f249468132b83e397d62ec01", kill_on_drop: false }`
[INFO] [stdout] 20729a092eca492c7d0c5f22c5f448accbba6b75f249468132b83e397d62ec01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a14d432f7d7fa664911547227a3f23af65a898fbaba0ef28673b83337ee35af5
[INFO] running `Command { std: "docker" "start" "-a" "a14d432f7d7fa664911547227a3f23af65a898fbaba0ef28673b83337ee35af5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serialzero-f46c13327cf1e62f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_json_macro ... ok
[INFO] [stdout] test tests::test_parse_array ... ok
[INFO] [stdout] test tests::test_parse_object ... ok
[INFO] [stdout] test tests::test_serialize ... ok
[INFO] [stdout] test tests::test_parse_null ... ok
[INFO] [stdout] test tests::test_parse_bool ... ok
[INFO] [stdout] test tests::test_parse_string ... ok
[INFO] [stdout] test tests::test_parse_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serialzero
[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" "a14d432f7d7fa664911547227a3f23af65a898fbaba0ef28673b83337ee35af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14d432f7d7fa664911547227a3f23af65a898fbaba0ef28673b83337ee35af5", kill_on_drop: false }`
[INFO] [stdout] a14d432f7d7fa664911547227a3f23af65a898fbaba0ef28673b83337ee35af5