[INFO] fetching crate json-type 0.1.0...
[INFO] testing json-type-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate json-type 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate json-type 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-type 0.1.0
[INFO] finished tweaking crates.io crate json-type 0.1.0
[INFO] tweaked toml for crates.io crate json-type 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f5411e30a17b84c197c008c7cfe559f1ea7ed634e82a92f80cc3e61b165d965
[INFO] running `Command { std: "docker" "start" "-a" "9f5411e30a17b84c197c008c7cfe559f1ea7ed634e82a92f80cc3e61b165d965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f5411e30a17b84c197c008c7cfe559f1ea7ed634e82a92f80cc3e61b165d965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5411e30a17b84c197c008c7cfe559f1ea7ed634e82a92f80cc3e61b165d965", kill_on_drop: false }`
[INFO] [stdout] 9f5411e30a17b84c197c008c7cfe559f1ea7ed634e82a92f80cc3e61b165d965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad6f515f82f07db6982cd8bfda80f3775d67afbc5e9af9f8b2835d57434dee61
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad6f515f82f07db6982cd8bfda80f3775d67afbc5e9af9f8b2835d57434dee61", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling json-type-derive v0.1.0
[INFO] [stderr]    Compiling json-type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.13s
[INFO] running `Command { std: "docker" "inspect" "ad6f515f82f07db6982cd8bfda80f3775d67afbc5e9af9f8b2835d57434dee61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6f515f82f07db6982cd8bfda80f3775d67afbc5e9af9f8b2835d57434dee61", kill_on_drop: false }`
[INFO] [stdout] ad6f515f82f07db6982cd8bfda80f3775d67afbc5e9af9f8b2835d57434dee61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27430c16ca1d3cbd7274f79bfc59741e6da3b7a266770c4ceaea1ecd8ad8a9e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "27430c16ca1d3cbd7274f79bfc59741e6da3b7a266770c4ceaea1ecd8ad8a9e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "27430c16ca1d3cbd7274f79bfc59741e6da3b7a266770c4ceaea1ecd8ad8a9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27430c16ca1d3cbd7274f79bfc59741e6da3b7a266770c4ceaea1ecd8ad8a9e3", kill_on_drop: false }`
[INFO] [stdout] 27430c16ca1d3cbd7274f79bfc59741e6da3b7a266770c4ceaea1ecd8ad8a9e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 049c3ccedc9d626180bcb5215203cff3a39522976462f73e9c8c1f095caaab08
[INFO] running `Command { std: "docker" "start" "-a" "049c3ccedc9d626180bcb5215203cff3a39522976462f73e9c8c1f095caaab08", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/json_type-95dbc0a229327164
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests json-type
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "049c3ccedc9d626180bcb5215203cff3a39522976462f73e9c8c1f095caaab08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049c3ccedc9d626180bcb5215203cff3a39522976462f73e9c8c1f095caaab08", kill_on_drop: false }`
[INFO] [stdout] 049c3ccedc9d626180bcb5215203cff3a39522976462f73e9c8c1f095caaab08