[INFO] fetching crate json_to_rust 0.2.0...
[INFO] testing json_to_rust-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate json_to_rust 0.2.0 into /workspace/builds/worker-1-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate json_to_rust 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inflections v1.1.1
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2aa1e27da9277b4297bfbf6e4acaf32c11feb3f4797c63a8985d3563bda52a2
[INFO] running `Command { std: "docker" "start" "-a" "c2aa1e27da9277b4297bfbf6e4acaf32c11feb3f4797c63a8985d3563bda52a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2aa1e27da9277b4297bfbf6e4acaf32c11feb3f4797c63a8985d3563bda52a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2aa1e27da9277b4297bfbf6e4acaf32c11feb3f4797c63a8985d3563bda52a2", kill_on_drop: false }`
[INFO] [stdout] c2aa1e27da9277b4297bfbf6e4acaf32c11feb3f4797c63a8985d3563bda52a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b0139878e213cb200e4211427c07aae0c5336c3a470ff2c5248dd375c4516b1
[INFO] running `Command { std: "docker" "start" "-a" "8b0139878e213cb200e4211427c07aae0c5336c3a470ff2c5248dd375c4516b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[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 4.03s
[INFO] running `Command { std: "docker" "inspect" "8b0139878e213cb200e4211427c07aae0c5336c3a470ff2c5248dd375c4516b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0139878e213cb200e4211427c07aae0c5336c3a470ff2c5248dd375c4516b1", kill_on_drop: false }`
[INFO] [stdout] 8b0139878e213cb200e4211427c07aae0c5336c3a470ff2c5248dd375c4516b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d44b762e60042401d552baff148e05b89b12bca25b391ec71146e8e95e5ed3f
[INFO] running `Command { std: "docker" "start" "-a" "4d44b762e60042401d552baff148e05b89b12bca25b391ec71146e8e95e5ed3f", 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 1.31s
[INFO] running `Command { std: "docker" "inspect" "4d44b762e60042401d552baff148e05b89b12bca25b391ec71146e8e95e5ed3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d44b762e60042401d552baff148e05b89b12bca25b391ec71146e8e95e5ed3f", kill_on_drop: false }`
[INFO] [stdout] 4d44b762e60042401d552baff148e05b89b12bca25b391ec71146e8e95e5ed3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a54100fb50a221bf3fd6a02209f3da7d2af097676db7fa18b4895ba2e6da0f3
[INFO] running `Command { std: "docker" "start" "-a" "4a54100fb50a221bf3fd6a02209f3da7d2af097676db7fa18b4895ba2e6da0f3", 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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_to_rust-c470de9e92541c2d)
[INFO] [stderr]      Running unittests src/bin/json_to_rust/main.rs (/opt/rustwide/target/debug/deps/json_to_rust-a3e52d39708f5fdf)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test infer::shape::tests::unify ... ok
[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] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_to_rust
[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" "4a54100fb50a221bf3fd6a02209f3da7d2af097676db7fa18b4895ba2e6da0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a54100fb50a221bf3fd6a02209f3da7d2af097676db7fa18b4895ba2e6da0f3", kill_on_drop: false }`
[INFO] [stdout] 4a54100fb50a221bf3fd6a02209f3da7d2af097676db7fa18b4895ba2e6da0f3