[INFO] fetching crate json-parser 1.0.2...
[INFO] testing json-parser-1.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate json-parser 1.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate json-parser 1.0.2 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-parser 1.0.2
[INFO] finished tweaking crates.io crate json-parser 1.0.2
[INFO] tweaked toml for crates.io crate json-parser 1.0.2 written to /workspace/builds/worker-6/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] 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] bfd1eee6de593d9a041440b03f88e3f5c00b649b43139f31d65ddabaa0cdf013
[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" "bfd1eee6de593d9a041440b03f88e3f5c00b649b43139f31d65ddabaa0cdf013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfd1eee6de593d9a041440b03f88e3f5c00b649b43139f31d65ddabaa0cdf013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd1eee6de593d9a041440b03f88e3f5c00b649b43139f31d65ddabaa0cdf013", kill_on_drop: false }`
[INFO] [stdout] bfd1eee6de593d9a041440b03f88e3f5c00b649b43139f31d65ddabaa0cdf013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a95209bcce57c560583e7d40392e5256e721f57213d9d715d5a8cc8ac97f00e3
[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" "a95209bcce57c560583e7d40392e5256e721f57213d9d715d5a8cc8ac97f00e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-parser v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 '0'...'9' => v.push(self.number_token()?),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 1.99s
[INFO] running `Command { std: "docker" "inspect" "a95209bcce57c560583e7d40392e5256e721f57213d9d715d5a8cc8ac97f00e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a95209bcce57c560583e7d40392e5256e721f57213d9d715d5a8cc8ac97f00e3", kill_on_drop: false }`
[INFO] [stdout] a95209bcce57c560583e7d40392e5256e721f57213d9d715d5a8cc8ac97f00e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c94cfeb3eb46b2176b4248119137cba252c2e0cd3116a1eb21d562333f2ec31
[INFO] running `Command { std: "docker" "start" "-a" "7c94cfeb3eb46b2176b4248119137cba252c2e0cd3116a1eb21d562333f2ec31", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-parser v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 '0'...'9' => v.push(self.number_token()?),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 '0'...'9' => v.push(self.number_token()?),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 1.83s
[INFO] running `Command { std: "docker" "inspect" "7c94cfeb3eb46b2176b4248119137cba252c2e0cd3116a1eb21d562333f2ec31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c94cfeb3eb46b2176b4248119137cba252c2e0cd3116a1eb21d562333f2ec31", kill_on_drop: false }`
[INFO] [stdout] 7c94cfeb3eb46b2176b4248119137cba252c2e0cd3116a1eb21d562333f2ec31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 3a35171b3abac3bc94aeb7fef903e243b0ef8aeac9ea4b0658d366878b07c82f
[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" "3a35171b3abac3bc94aeb7fef903e243b0ef8aeac9ea4b0658d366878b07c82f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/tokenizer.rs:134:20
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 '0'...'9' => v.push(self.number_token()?),
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/tokenizer.rs:134:20
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 '0'...'9' => v.push(self.number_token()?),
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/json_parser-86f78208e5e02383
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tokenizer::test_string_token ... ok
[INFO] [stdout] test tokenizer::test_false_token ... ok
[INFO] [stdout] test tokenizer::test_true_token ... ok
[INFO] [stdout] test tokenizer::test_null_token ... ok
[INFO] [stdout] test tokenizer::test_number_token ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/json_parser-17d9da1bebac2f0d
[INFO] [stdout] test tokenizer::test_tokenize_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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] [stderr]    Doc-tests json-parser
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/tokenizer.rs:134:20
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 '0'...'9' => v.push(self.number_token()?),
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[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" "3a35171b3abac3bc94aeb7fef903e243b0ef8aeac9ea4b0658d366878b07c82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a35171b3abac3bc94aeb7fef903e243b0ef8aeac9ea4b0658d366878b07c82f", kill_on_drop: false }`
[INFO] [stdout] 3a35171b3abac3bc94aeb7fef903e243b0ef8aeac9ea4b0658d366878b07c82f