[INFO] fetching crate serialzero 0.1.0...
[INFO] testing serialzero-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate serialzero 0.1.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialzero 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06c2ae60d1451910258cd496cb0211f54679662e7b096b452729aff2506da7aa
[INFO] running `Command { std: "docker" "start" "-a" "06c2ae60d1451910258cd496cb0211f54679662e7b096b452729aff2506da7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06c2ae60d1451910258cd496cb0211f54679662e7b096b452729aff2506da7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c2ae60d1451910258cd496cb0211f54679662e7b096b452729aff2506da7aa", kill_on_drop: false }`
[INFO] [stdout] 06c2ae60d1451910258cd496cb0211f54679662e7b096b452729aff2506da7aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86026360ded9fa8e75d2be513291c3044276f141bf81c830fe382ce757a325b3
[INFO] running `Command { std: "docker" "start" "-a" "86026360ded9fa8e75d2be513291c3044276f141bf81c830fe382ce757a325b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialzero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "86026360ded9fa8e75d2be513291c3044276f141bf81c830fe382ce757a325b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86026360ded9fa8e75d2be513291c3044276f141bf81c830fe382ce757a325b3", kill_on_drop: false }`
[INFO] [stdout] 86026360ded9fa8e75d2be513291c3044276f141bf81c830fe382ce757a325b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f09a9d7675fb47498de308354ffb40b985302f594182b7ee3e64686cda933820
[INFO] running `Command { std: "docker" "start" "-a" "f09a9d7675fb47498de308354ffb40b985302f594182b7ee3e64686cda933820", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialzero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "f09a9d7675fb47498de308354ffb40b985302f594182b7ee3e64686cda933820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09a9d7675fb47498de308354ffb40b985302f594182b7ee3e64686cda933820", kill_on_drop: false }`
[INFO] [stdout] f09a9d7675fb47498de308354ffb40b985302f594182b7ee3e64686cda933820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99d0b3594118fb921635dad69047b1a1ab67f1f8827595591b9165f07c294246
[INFO] running `Command { std: "docker" "start" "-a" "99d0b3594118fb921635dad69047b1a1ab67f1f8827595591b9165f07c294246", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serialzero-38c65b2b58ff4fa0)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_parse_bool ... ok
[INFO] [stdout] test tests::test_parse_array ... ok
[INFO] [stdout] test tests::test_parse_number ... ok
[INFO] [stdout] test tests::test_parse_object ... ok
[INFO] [stdout] test tests::test_parse_string ... ok
[INFO] [stdout] test tests::test_serialize ... ok
[INFO] [stdout] test tests::test_json_macro ... ok
[INFO] [stdout] test tests::test_parse_null ... 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" "99d0b3594118fb921635dad69047b1a1ab67f1f8827595591b9165f07c294246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d0b3594118fb921635dad69047b1a1ab67f1f8827595591b9165f07c294246", kill_on_drop: false }`
[INFO] [stdout] 99d0b3594118fb921635dad69047b1a1ab67f1f8827595591b9165f07c294246