[INFO] cloning repository https://github.com/llogiq/lib_json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llogiq/lib_json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Flib_json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Flib_json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 336bd54e950fa19b0168eddc358073cf5918bb21
[INFO] testing llogiq/lib_json against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Flib_json" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/llogiq/lib_json 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 git repo https://github.com/llogiq/lib_json
[INFO] finished tweaking git repo https://github.com/llogiq/lib_json
[INFO] tweaked toml for git repo https://github.com/llogiq/lib_json written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/llogiq/lib_json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 835b8302d04e8ffd927b20e67c1c3534bf24b518cb337771175d9f6ccc3651f3
[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" "835b8302d04e8ffd927b20e67c1c3534bf24b518cb337771175d9f6ccc3651f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "835b8302d04e8ffd927b20e67c1c3534bf24b518cb337771175d9f6ccc3651f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "835b8302d04e8ffd927b20e67c1c3534bf24b518cb337771175d9f6ccc3651f3", kill_on_drop: false }`
[INFO] [stdout] 835b8302d04e8ffd927b20e67c1c3534bf24b518cb337771175d9f6ccc3651f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 364aed72c4f8974d019d883c2e64a6221bea95eaaa923e40b123f7ec15399236
[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" "364aed72c4f8974d019d883c2e64a6221bea95eaaa923e40b123f7ec15399236", kill_on_drop: false }`
[INFO] [stderr]    Compiling lib_json v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/buffer_walk.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |         unsafe{ self.buffer.slice_unchecked( start, end ) }
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "364aed72c4f8974d019d883c2e64a6221bea95eaaa923e40b123f7ec15399236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364aed72c4f8974d019d883c2e64a6221bea95eaaa923e40b123f7ec15399236", kill_on_drop: false }`
[INFO] [stdout] 364aed72c4f8974d019d883c2e64a6221bea95eaaa923e40b123f7ec15399236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 27c052c8576632ea8547f6d6298aa3358465c79ed6a570e421abdeecf270cb0d
[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" "27c052c8576632ea8547f6d6298aa3358465c79ed6a570e421abdeecf270cb0d", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/buffer_walk.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |         unsafe{ self.buffer.slice_unchecked( start, end ) }
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lib_json v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/buffer_walk.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |         unsafe{ self.buffer.slice_unchecked( start, end ) }
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "27c052c8576632ea8547f6d6298aa3358465c79ed6a570e421abdeecf270cb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c052c8576632ea8547f6d6298aa3358465c79ed6a570e421abdeecf270cb0d", kill_on_drop: false }`
[INFO] [stdout] 27c052c8576632ea8547f6d6298aa3358465c79ed6a570e421abdeecf270cb0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a01fdfeb707baab0814c78babf7088ac60dd454cd4f4ce9f08cc112d38a01c0d
[INFO] running `Command { std: "docker" "start" "-a" "a01fdfeb707baab0814c78babf7088ac60dd454cd4f4ce9f08cc112d38a01c0d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/buffer_walk.rs:61:23
[INFO] [stderr]    |
[INFO] [stderr] 61 |         unsafe{ self.buffer.slice_unchecked( start, end ) }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/buffer_walk.rs:61:23
[INFO] [stderr]    |
[INFO] [stderr] 61 |         unsafe{ self.buffer.slice_unchecked( start, end ) }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib_json-de9f81737210d41d
[INFO] [stdout] running 9 tests
[INFO] [stdout] test buffer_walk::test_char_iter_skip_whitespace ... ok
[INFO] [stdout] test test_read_string ... ok
[INFO] [stdout] test buffer_walk::test_char_iter_next ... ok
[INFO] [stdout] test test_read_number ... ok
[INFO] [stdout] test test_read_tf_0 ... ok
[INFO] [stdout] test test_read_tf_1 ... ok
[INFO] [stdout] test test_read_vec ... ok
[INFO] [stderr]    Doc-tests lib_json
[INFO] [stdout] test test_read_object ... ok
[INFO] [stdout] test test_external_json_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 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" "a01fdfeb707baab0814c78babf7088ac60dd454cd4f4ce9f08cc112d38a01c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01fdfeb707baab0814c78babf7088ac60dd454cd4f4ce9f08cc112d38a01c0d", kill_on_drop: false }`
[INFO] [stdout] a01fdfeb707baab0814c78babf7088ac60dd454cd4f4ce9f08cc112d38a01c0d