[INFO] fetching crate json_to_rust 0.2.0...
[INFO] testing json_to_rust-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate json_to_rust 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate json_to_rust 0.2.0
[INFO] finished tweaking crates.io crate json_to_rust 0.2.0
[INFO] tweaked toml for crates.io crate json_to_rust 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate json_to_rust 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate json_to_rust 0.2.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c7741e415994aa3fc85a77445f6dd68467cbd56a2b538b901828a4cf96cff55
[INFO] running `Command { std: "docker" "start" "-a" "0c7741e415994aa3fc85a77445f6dd68467cbd56a2b538b901828a4cf96cff55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c7741e415994aa3fc85a77445f6dd68467cbd56a2b538b901828a4cf96cff55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c7741e415994aa3fc85a77445f6dd68467cbd56a2b538b901828a4cf96cff55", kill_on_drop: false }`
[INFO] [stdout] 0c7741e415994aa3fc85a77445f6dd68467cbd56a2b538b901828a4cf96cff55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 483e09a442f9fcdb1c8200a77a168d82759cc5c841ecef5829a9808e6df8f421
[INFO] running `Command { std: "docker" "start" "-a" "483e09a442f9fcdb1c8200a77a168d82759cc5c841ecef5829a9808e6df8f421", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling json_to_rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `WrapperApply` is never used
[INFO] [stdout]   --> src/util.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 | trait WrapperApply {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NestedWrapper` is never constructed
[INFO] [stdout]   --> src/util.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct NestedWrapper {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "483e09a442f9fcdb1c8200a77a168d82759cc5c841ecef5829a9808e6df8f421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483e09a442f9fcdb1c8200a77a168d82759cc5c841ecef5829a9808e6df8f421", kill_on_drop: false }`
[INFO] [stdout] 483e09a442f9fcdb1c8200a77a168d82759cc5c841ecef5829a9808e6df8f421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bebbefc9594412fb74219f6ae1e423fb98f2b9b9af263ab55e58d8d10019aff
[INFO] running `Command { std: "docker" "start" "-a" "8bebbefc9594412fb74219f6ae1e423fb98f2b9b9af263ab55e58d8d10019aff", kill_on_drop: false }`
[INFO] [stdout] warning: trait `WrapperApply` is never used
[INFO] [stdout]   --> src/util.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 | trait WrapperApply {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NestedWrapper` is never constructed
[INFO] [stdout]   --> src/util.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct NestedWrapper {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling json_to_rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `WrapperApply` is never used
[INFO] [stdout]   --> src/util.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 | trait WrapperApply {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NestedWrapper` is never constructed
[INFO] [stdout]   --> src/util.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct NestedWrapper {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "8bebbefc9594412fb74219f6ae1e423fb98f2b9b9af263ab55e58d8d10019aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bebbefc9594412fb74219f6ae1e423fb98f2b9b9af263ab55e58d8d10019aff", kill_on_drop: false }`
[INFO] [stdout] 8bebbefc9594412fb74219f6ae1e423fb98f2b9b9af263ab55e58d8d10019aff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8b5167175432541566ab5f52d6dfdd007b1ecd304ea26ea600834d89a532fd8
[INFO] running `Command { std: "docker" "start" "-a" "a8b5167175432541566ab5f52d6dfdd007b1ecd304ea26ea600834d89a532fd8", kill_on_drop: false }`
[INFO] [stderr] warning: trait `WrapperApply` is never used
[INFO] [stderr]   --> src/util.rs:55:7
[INFO] [stderr]    |
[INFO] [stderr] 55 | trait WrapperApply {
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NestedWrapper` is never constructed
[INFO] [stderr]   --> src/util.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct NestedWrapper {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `json_to_rust` (lib) generated 2 warnings
[INFO] [stderr] warning: `json_to_rust` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_to_rust-ad568e43fb381274)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test infer::shape::tests::unify ... ok
[INFO] [stderr]      Running unittests src/bin/json_to_rust/main.rs (/opt/rustwide/target/debug/deps/json_to_rust-f813e77cc0fcad52)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_to_rust
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "a8b5167175432541566ab5f52d6dfdd007b1ecd304ea26ea600834d89a532fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b5167175432541566ab5f52d6dfdd007b1ecd304ea26ea600834d89a532fd8", kill_on_drop: false }`
[INFO] [stdout] a8b5167175432541566ab5f52d6dfdd007b1ecd304ea26ea600834d89a532fd8