[INFO] cloning repository https://github.com/serayuzgur/serde_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serayuzgur/serde_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserayuzgur%2Fserde_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserayuzgur%2Fserde_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d47433d5e33c4ed068a6ba69505b63db4c9bb76
[INFO] testing serayuzgur/serde_examples against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserayuzgur%2Fserde_examples" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serayuzgur/serde_examples on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/serayuzgur/serde_examples
[INFO] finished tweaking git repo https://github.com/serayuzgur/serde_examples
[INFO] tweaked toml for git repo https://github.com/serayuzgur/serde_examples written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/serayuzgur/serde_examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bb676dfbc2b0fcccc07130ba1723a7f263c5248ab97ccfbe5559d9daa733e74
[INFO] running `Command { std: "docker" "start" "-a" "1bb676dfbc2b0fcccc07130ba1723a7f263c5248ab97ccfbe5559d9daa733e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bb676dfbc2b0fcccc07130ba1723a7f263c5248ab97ccfbe5559d9daa733e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb676dfbc2b0fcccc07130ba1723a7f263c5248ab97ccfbe5559d9daa733e74", kill_on_drop: false }`
[INFO] [stdout] 1bb676dfbc2b0fcccc07130ba1723a7f263c5248ab97ccfbe5559d9daa733e74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba8ea826b010a6d6132fabfbd0a08a674262035edc32400885c85c8424a82fe8
[INFO] running `Command { std: "docker" "start" "-a" "ba8ea826b010a6d6132fabfbd0a08a674262035edc32400885c85c8424a82fe8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling serde v0.9.12
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling serde_derive v0.9.12
[INFO] [stderr]    Compiling serde_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `password`
[INFO] [stdout]   --> src/struct_json_attributes.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     password: String
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.89s
[INFO] running `Command { std: "docker" "inspect" "ba8ea826b010a6d6132fabfbd0a08a674262035edc32400885c85c8424a82fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8ea826b010a6d6132fabfbd0a08a674262035edc32400885c85c8424a82fe8", kill_on_drop: false }`
[INFO] [stdout] ba8ea826b010a6d6132fabfbd0a08a674262035edc32400885c85c8424a82fe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 301c8e72b80b814dcae376dc3df86af11deba04a9a888ff700f174e7ffd46da8
[INFO] running `Command { std: "docker" "start" "-a" "301c8e72b80b814dcae376dc3df86af11deba04a9a888ff700f174e7ffd46da8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `password`
[INFO] [stdout]   --> src/struct_json_attributes.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     password: String
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "301c8e72b80b814dcae376dc3df86af11deba04a9a888ff700f174e7ffd46da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301c8e72b80b814dcae376dc3df86af11deba04a9a888ff700f174e7ffd46da8", kill_on_drop: false }`
[INFO] [stdout] 301c8e72b80b814dcae376dc3df86af11deba04a9a888ff700f174e7ffd46da8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9affbe33dab09f672666e6aaa2201715dd716326b8515908d9558d7b74aba6f
[INFO] running `Command { std: "docker" "start" "-a" "d9affbe33dab09f672666e6aaa2201715dd716326b8515908d9558d7b74aba6f", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `password`
[INFO] [stderr]   --> src/struct_json_attributes.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     password: String
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_examples` (bin "serde_examples" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_examples-4224e526d29bd85a)
[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" "d9affbe33dab09f672666e6aaa2201715dd716326b8515908d9558d7b74aba6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9affbe33dab09f672666e6aaa2201715dd716326b8515908d9558d7b74aba6f", kill_on_drop: false }`
[INFO] [stdout] d9affbe33dab09f672666e6aaa2201715dd716326b8515908d9558d7b74aba6f