[INFO] fetching crate json_reader 0.1.0...
[INFO] testing json_reader-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate json_reader 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate json_reader 0.1.0 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 json_reader 0.1.0
[INFO] finished tweaking crates.io crate json_reader 0.1.0
[INFO] tweaked toml for crates.io crate json_reader 0.1.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b6753680d2c098fb6d363ee460a13895e5c76cb561d9fd905f5c502c6ed8d336
[INFO] running `Command { std: "docker" "start" "-a" "b6753680d2c098fb6d363ee460a13895e5c76cb561d9fd905f5c502c6ed8d336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6753680d2c098fb6d363ee460a13895e5c76cb561d9fd905f5c502c6ed8d336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6753680d2c098fb6d363ee460a13895e5c76cb561d9fd905f5c502c6ed8d336", kill_on_drop: false }`
[INFO] [stdout] b6753680d2c098fb6d363ee460a13895e5c76cb561d9fd905f5c502c6ed8d336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] cd84a4bd92e4dcf744a44731f29cb05e3e6580c5ec0f5b5137ce1b26e4a302df
[INFO] running `Command { std: "docker" "start" "-a" "cd84a4bd92e4dcf744a44731f29cb05e3e6580c5ec0f5b5137ce1b26e4a302df", kill_on_drop: false }`
[INFO] [stderr]    Compiling json_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "cd84a4bd92e4dcf744a44731f29cb05e3e6580c5ec0f5b5137ce1b26e4a302df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd84a4bd92e4dcf744a44731f29cb05e3e6580c5ec0f5b5137ce1b26e4a302df", kill_on_drop: false }`
[INFO] [stdout] cd84a4bd92e4dcf744a44731f29cb05e3e6580c5ec0f5b5137ce1b26e4a302df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3603c376281413f832d8193bc6945b9b464fbf7b58352dd42d3d61807de0c15c
[INFO] running `Command { std: "docker" "start" "-a" "3603c376281413f832d8193bc6945b9b464fbf7b58352dd42d3d61807de0c15c", kill_on_drop: false }`
[INFO] [stderr]    Compiling json_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "3603c376281413f832d8193bc6945b9b464fbf7b58352dd42d3d61807de0c15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3603c376281413f832d8193bc6945b9b464fbf7b58352dd42d3d61807de0c15c", kill_on_drop: false }`
[INFO] [stdout] 3603c376281413f832d8193bc6945b9b464fbf7b58352dd42d3d61807de0c15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 327d8358979119a087917a6c13c9b9062164389e2c8f81de42efe4735c7b0df9
[INFO] running `Command { std: "docker" "start" "-a" "327d8358979119a087917a6c13c9b9062164389e2c8f81de42efe4735c7b0df9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_reader-8ee04844f05d5e41)
[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/level.rs (/opt/rustwide/target/debug/deps/level-c216a523ccf6e430)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test level_reader ... 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] [stderr]      Running tests/token.rs (/opt/rustwide/target/debug/deps/token-bbd3dbcf69ae034c)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test parse_array ... ok
[INFO] [stdout] test parse_dict ... ok
[INFO] [stdout] test parse_invalid_number ... ok
[INFO] [stdout] test parse_false ... ok
[INFO] [stdout] test parse_negative_number ... ok
[INFO] [stdout] test parse_null_only ... ok
[INFO] [stdout] test parse_null ... ok
[INFO] [stdout] test parse_number ... ok
[INFO] [stdout] test parse_true ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_reader
[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" "327d8358979119a087917a6c13c9b9062164389e2c8f81de42efe4735c7b0df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327d8358979119a087917a6c13c9b9062164389e2c8f81de42efe4735c7b0df9", kill_on_drop: false }`
[INFO] [stdout] 327d8358979119a087917a6c13c9b9062164389e2c8f81de42efe4735c7b0df9