[INFO] fetching crate json-decode 0.6.0...
[INFO] testing json-decode-0.6.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate json-decode 0.6.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate json-decode 0.6.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-decode 0.6.0
[INFO] finished tweaking crates.io crate json-decode 0.6.0
[INFO] tweaked toml for crates.io crate json-decode 0.6.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7fe811b1d7d08986ac9ec05a44c467ba7483e4c1662fb3be3f2f75fc0cde17e
[INFO] running `Command { std: "docker" "start" "-a" "c7fe811b1d7d08986ac9ec05a44c467ba7483e4c1662fb3be3f2f75fc0cde17e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7fe811b1d7d08986ac9ec05a44c467ba7483e4c1662fb3be3f2f75fc0cde17e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7fe811b1d7d08986ac9ec05a44c467ba7483e4c1662fb3be3f2f75fc0cde17e", kill_on_drop: false }`
[INFO] [stdout] c7fe811b1d7d08986ac9ec05a44c467ba7483e4c1662fb3be3f2f75fc0cde17e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2662908a2be279989b35e12d1d53a17baf114c64d4ff75a03305f1e699ca44a
[INFO] running `Command { std: "docker" "start" "-a" "c2662908a2be279989b35e12d1d53a17baf114c64d4ff75a03305f1e699ca44a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling json-decode v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.27s
[INFO] running `Command { std: "docker" "inspect" "c2662908a2be279989b35e12d1d53a17baf114c64d4ff75a03305f1e699ca44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2662908a2be279989b35e12d1d53a17baf114c64d4ff75a03305f1e699ca44a", kill_on_drop: false }`
[INFO] [stdout] c2662908a2be279989b35e12d1d53a17baf114c64d4ff75a03305f1e699ca44a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de932f99cf02d24f73f9e4b128b5f6ce3faccd5bb3a4558f359bb387f6b95668
[INFO] running `Command { std: "docker" "start" "-a" "de932f99cf02d24f73f9e4b128b5f6ce3faccd5bb3a4558f359bb387f6b95668", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-decode v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "de932f99cf02d24f73f9e4b128b5f6ce3faccd5bb3a4558f359bb387f6b95668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de932f99cf02d24f73f9e4b128b5f6ce3faccd5bb3a4558f359bb387f6b95668", kill_on_drop: false }`
[INFO] [stdout] de932f99cf02d24f73f9e4b128b5f6ce3faccd5bb3a4558f359bb387f6b95668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c044660b569516de79cb6aeabb0d449abde0387a7242b78c07ccb0032c1b2edd
[INFO] running `Command { std: "docker" "start" "-a" "c044660b569516de79cb6aeabb0d449abde0387a7242b78c07ccb0032c1b2edd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_decode-58e57053dd499a33)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]    Doc-tests json-decode
[INFO] [stdout] test tests::decode_a_struct ... ok
[INFO] [stdout] test tests::decoding_a_list ... ok
[INFO] [stdout] test tests::decoding_integers ... ok
[INFO] [stdout] test tests::decoding_opt_vec_opt ... ok
[INFO] [stdout] test tests::decode_using_serde ... ok
[INFO] [stdout] test tests::one_of_the_macro_map_fns ... ok
[INFO] [stdout] test tests::test_and_then ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 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" "c044660b569516de79cb6aeabb0d449abde0387a7242b78c07ccb0032c1b2edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c044660b569516de79cb6aeabb0d449abde0387a7242b78c07ccb0032c1b2edd", kill_on_drop: false }`
[INFO] [stdout] c044660b569516de79cb6aeabb0d449abde0387a7242b78c07ccb0032c1b2edd