[INFO] cloning repository https://github.com/fcostin/go_vs_rust_json_deserialise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fcostin/go_vs_rust_json_deserialise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffcostin%2Fgo_vs_rust_json_deserialise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffcostin%2Fgo_vs_rust_json_deserialise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 843dd1a0ee96619796476586e2966a281d7f0100
[INFO] testing fcostin/go_vs_rust_json_deserialise against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffcostin%2Fgo_vs_rust_json_deserialise" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fcostin/go_vs_rust_json_deserialise on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fcostin/go_vs_rust_json_deserialise
[INFO] finished tweaking git repo https://github.com/fcostin/go_vs_rust_json_deserialise
[INFO] tweaked toml for git repo https://github.com/fcostin/go_vs_rust_json_deserialise written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/fcostin/go_vs_rust_json_deserialise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bf794e166b6356514400662814191ee0dfec885ba73e0c3e9fe4b65a82b559c
[INFO] running `Command { std: "docker" "start" "-a" "7bf794e166b6356514400662814191ee0dfec885ba73e0c3e9fe4b65a82b559c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bf794e166b6356514400662814191ee0dfec885ba73e0c3e9fe4b65a82b559c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf794e166b6356514400662814191ee0dfec885ba73e0c3e9fe4b65a82b559c", kill_on_drop: false }`
[INFO] [stdout] 7bf794e166b6356514400662814191ee0dfec885ba73e0c3e9fe4b65a82b559c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c72bdeb84bdc96681aad38091a6bae9e25800fc994c6f5d17c8050f100a8e470
[INFO] running `Command { std: "docker" "start" "-a" "c72bdeb84bdc96681aad38091a6bae9e25800fc994c6f5d17c8050f100a8e470", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.25
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling serde_json v1.0.36
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling golang_json_deserialisation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> main.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]   --> main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     age: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> main.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.15s
[INFO] running `Command { std: "docker" "inspect" "c72bdeb84bdc96681aad38091a6bae9e25800fc994c6f5d17c8050f100a8e470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72bdeb84bdc96681aad38091a6bae9e25800fc994c6f5d17c8050f100a8e470", kill_on_drop: false }`
[INFO] [stdout] c72bdeb84bdc96681aad38091a6bae9e25800fc994c6f5d17c8050f100a8e470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e67397766f44687b09a2e389fe5ec4c1c983ff306c27b559871139dde8b7a643
[INFO] running `Command { std: "docker" "start" "-a" "e67397766f44687b09a2e389fe5ec4c1c983ff306c27b559871139dde8b7a643", kill_on_drop: false }`
[INFO] [stderr]    Compiling golang_json_deserialisation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> main.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]   --> main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     age: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> main.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "e67397766f44687b09a2e389fe5ec4c1c983ff306c27b559871139dde8b7a643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67397766f44687b09a2e389fe5ec4c1c983ff306c27b559871139dde8b7a643", kill_on_drop: false }`
[INFO] [stdout] e67397766f44687b09a2e389fe5ec4c1c983ff306c27b559871139dde8b7a643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1477754155b76739745cefb240974653d43c4eefac70357095fc1caf17abf28f
[INFO] running `Command { std: "docker" "start" "-a" "1477754155b76739745cefb240974653d43c4eefac70357095fc1caf17abf28f", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> main.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Debug, Deserialize)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `age`
[INFO] [stderr]   --> main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     age: i32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> main.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Debug, Deserialize)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `golang_json_deserialisation` (bin "golang_json_deserialisation" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/golang_json_deserialisation-bd8820fc152c9c71)
[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" "1477754155b76739745cefb240974653d43c4eefac70357095fc1caf17abf28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1477754155b76739745cefb240974653d43c4eefac70357095fc1caf17abf28f", kill_on_drop: false }`
[INFO] [stdout] 1477754155b76739745cefb240974653d43c4eefac70357095fc1caf17abf28f