[INFO] fetching crate display_json 0.1.3...
[INFO] testing display_json-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate display_json 0.1.3 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate display_json 0.1.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate display_json 0.1.3
[INFO] finished tweaking crates.io crate display_json 0.1.3
[INFO] tweaked toml for crates.io crate display_json 0.1.3 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36ff53a9335f4b1957831638341d6ea45e9f970300e31af71d2f77aa5784e9b2
[INFO] running `Command { std: "docker" "start" "-a" "36ff53a9335f4b1957831638341d6ea45e9f970300e31af71d2f77aa5784e9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36ff53a9335f4b1957831638341d6ea45e9f970300e31af71d2f77aa5784e9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ff53a9335f4b1957831638341d6ea45e9f970300e31af71d2f77aa5784e9b2", kill_on_drop: false }`
[INFO] [stdout] 36ff53a9335f4b1957831638341d6ea45e9f970300e31af71d2f77aa5784e9b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95cad75135d1e2cdad9e42b86cd307fc36dbcb2d1337a9ff77b2904393bcc5f8
[INFO] running `Command { std: "docker" "start" "-a" "95cad75135d1e2cdad9e42b86cd307fc36dbcb2d1337a9ff77b2904393bcc5f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling display_json_derive v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling display_json v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.10s
[INFO] running `Command { std: "docker" "inspect" "95cad75135d1e2cdad9e42b86cd307fc36dbcb2d1337a9ff77b2904393bcc5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95cad75135d1e2cdad9e42b86cd307fc36dbcb2d1337a9ff77b2904393bcc5f8", kill_on_drop: false }`
[INFO] [stdout] 95cad75135d1e2cdad9e42b86cd307fc36dbcb2d1337a9ff77b2904393bcc5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc2c26eac4a1c1ecac6b7b80e74ff668d1dfb839c53c9df958ece16667e0b397
[INFO] running `Command { std: "docker" "start" "-a" "bc2c26eac4a1c1ecac6b7b80e74ff668d1dfb839c53c9df958ece16667e0b397", kill_on_drop: false }`
[INFO] [stderr]    Compiling display_json v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "bc2c26eac4a1c1ecac6b7b80e74ff668d1dfb839c53c9df958ece16667e0b397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2c26eac4a1c1ecac6b7b80e74ff668d1dfb839c53c9df958ece16667e0b397", kill_on_drop: false }`
[INFO] [stdout] bc2c26eac4a1c1ecac6b7b80e74ff668d1dfb839c53c9df958ece16667e0b397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 000ecbaa24644db276c0a3570c05c35b267e2d5ae981fdf0aac69dafda36e4d5
[INFO] running `Command { std: "docker" "start" "-a" "000ecbaa24644db276c0a3570c05c35b267e2d5ae981fdf0aac69dafda36e4d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/display_json-25a658d439e0b96c)
[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 tests/tests.rs (/opt/rustwide/target/debug/deps/tests-9eb4ea7a5f0eb59b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test example ... ok
[INFO] [stdout] test example_generic ... ok
[INFO] [stdout] test example_debug ... ok
[INFO] [stdout] test example_pretty ... ok
[INFO] [stdout] test example_pretty_debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests display_json
[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" "000ecbaa24644db276c0a3570c05c35b267e2d5ae981fdf0aac69dafda36e4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000ecbaa24644db276c0a3570c05c35b267e2d5ae981fdf0aac69dafda36e4d5", kill_on_drop: false }`
[INFO] [stdout] 000ecbaa24644db276c0a3570c05c35b267e2d5ae981fdf0aac69dafda36e4d5