[INFO] fetching crate json5-to-json 0.1.2...
[INFO] testing json5-to-json-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate json5-to-json 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate json5-to-json 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json5-to-json 0.1.2
[INFO] finished tweaking crates.io crate json5-to-json 0.1.2
[INFO] tweaked toml for crates.io crate json5-to-json 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98df15301a06523cb7ee4507391122d769fbfa6824cf246872d47b4915878971
[INFO] running `Command { std: "docker" "start" "-a" "98df15301a06523cb7ee4507391122d769fbfa6824cf246872d47b4915878971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98df15301a06523cb7ee4507391122d769fbfa6824cf246872d47b4915878971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98df15301a06523cb7ee4507391122d769fbfa6824cf246872d47b4915878971", kill_on_drop: false }`
[INFO] [stdout] 98df15301a06523cb7ee4507391122d769fbfa6824cf246872d47b4915878971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dac2418b5b70095331fa9c103276d28a23af0cbf050c92d475a80e8fd209f20
[INFO] running `Command { std: "docker" "start" "-a" "3dac2418b5b70095331fa9c103276d28a23af0cbf050c92d475a80e8fd209f20", kill_on_drop: false }`
[INFO] [stderr]    Compiling json5 v0.2.8
[INFO] [stderr]    Compiling json5-to-json v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn run() -> Result<String, Box<Error>> {
[INFO] [stdout]   |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "3dac2418b5b70095331fa9c103276d28a23af0cbf050c92d475a80e8fd209f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dac2418b5b70095331fa9c103276d28a23af0cbf050c92d475a80e8fd209f20", kill_on_drop: false }`
[INFO] [stdout] 3dac2418b5b70095331fa9c103276d28a23af0cbf050c92d475a80e8fd209f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fae609ccecb59253eb2cb5d4e4cce698573f7d1fd9367f229848ce99da4122cd
[INFO] running `Command { std: "docker" "start" "-a" "fae609ccecb59253eb2cb5d4e4cce698573f7d1fd9367f229848ce99da4122cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling json5-to-json v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn run() -> Result<String, Box<Error>> {
[INFO] [stdout]   |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "fae609ccecb59253eb2cb5d4e4cce698573f7d1fd9367f229848ce99da4122cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae609ccecb59253eb2cb5d4e4cce698573f7d1fd9367f229848ce99da4122cd", kill_on_drop: false }`
[INFO] [stdout] fae609ccecb59253eb2cb5d4e4cce698573f7d1fd9367f229848ce99da4122cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69166924351d8ca184240ec5d419357b4ac6e56c13cd3efa0fde65e1e80d717f
[INFO] running `Command { std: "docker" "start" "-a" "69166924351d8ca184240ec5d419357b4ac6e56c13cd3efa0fde65e1e80d717f", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn run() -> Result<String, Box<Error>> {
[INFO] [stderr]   |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `json5-to-json` (bin "json5-to-json" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[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]      Running unittests (/opt/rustwide/target/debug/deps/json5_to_json-a14c2a7ffa354c0f)
[INFO] running `Command { std: "docker" "inspect" "69166924351d8ca184240ec5d419357b4ac6e56c13cd3efa0fde65e1e80d717f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69166924351d8ca184240ec5d419357b4ac6e56c13cd3efa0fde65e1e80d717f", kill_on_drop: false }`
[INFO] [stdout] 69166924351d8ca184240ec5d419357b4ac6e56c13cd3efa0fde65e1e80d717f