[INFO] crate serde_json 1.0.51 is already in cache
[INFO] testing serde_json-1.0.51 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate serde_json 1.0.51 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate serde_json 1.0.51 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serde_json 1.0.51
[INFO] finished tweaking crates.io crate serde_json 1.0.51
[INFO] tweaked toml for crates.io crate serde_json 1.0.51 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fab317e264a4dde04aeeb9291e4b7816793d70db3328276219129eb620782086
[INFO] running `"docker" "start" "-a" "fab317e264a4dde04aeeb9291e4b7816793d70db3328276219129eb620782086"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.54s
[INFO] running `"docker" "inspect" "fab317e264a4dde04aeeb9291e4b7816793d70db3328276219129eb620782086"`
[INFO] running `"docker" "rm" "-f" "fab317e264a4dde04aeeb9291e4b7816793d70db3328276219129eb620782086"`
[INFO] [stdout] fab317e264a4dde04aeeb9291e4b7816793d70db3328276219129eb620782086
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71207ce3ecfc7940a0be1864b3275ab8fe38a81f83483c5a07f6db9f53e6934f
[INFO] running `"docker" "start" "-a" "71207ce3ecfc7940a0be1864b3275ab8fe38a81f83483c5a07f6db9f53e6934f"`
[INFO] [stderr]    Compiling cc v1.0.51
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling dissimilar v1.0.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling automod v0.1.2
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling serde_bytes v0.11.3
[INFO] [stderr]    Compiling psm v0.1.7
[INFO] [stderr]    Compiling stacker v0.1.7
[INFO] [stderr]    Compiling trybuild v1.0.25
[INFO] [stderr]    Compiling serde_stacker v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.51 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.96s
[INFO] running `"docker" "inspect" "71207ce3ecfc7940a0be1864b3275ab8fe38a81f83483c5a07f6db9f53e6934f"`
[INFO] running `"docker" "rm" "-f" "71207ce3ecfc7940a0be1864b3275ab8fe38a81f83483c5a07f6db9f53e6934f"`
[INFO] [stdout] 71207ce3ecfc7940a0be1864b3275ab8fe38a81f83483c5a07f6db9f53e6934f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 45e01b2091473934abf2d5b0b3ae1669cf23e5b39fd7fca3745604b10c897b61
[INFO] running `"docker" "start" "-a" "45e01b2091473934abf2d5b0b3ae1669cf23e5b39fd7fca3745604b10c897b61"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_json-d799e9f4fe2e8ebe
[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 serde_json
[INFO] [stdout] 
[INFO] [stdout] running 95 tests
[INFO] [stdout] test src/error.rs - error::io::Error::from (line 135) ... ok
[INFO] [stdout] test src/lib.rs -  (line 43) ... ok
[INFO] [stdout] test src/macros.rs - json (line 25) ... ok
[INFO] [stdout] test src/de.rs - de::from_reader (line 2270) ... ok
[INFO] [stdout] test src/lib.rs -  (line 63) ... ok
[INFO] [stdout] test src/lib.rs -  (line 212) ... ok
[INFO] [stdout] test src/de.rs - de::from_str (line 2364) ... ok
[INFO] [stdout] test src/de.rs - de::&'a mut Deserializer<R>::deserialize_bytes (line 1370) ... ok
[INFO] [stdout] test src/de.rs - de::from_reader (line 2234) ... ok
[INFO] [stdout] test src/lib.rs -  (line 183) ... ok
[INFO] [stdout] test src/de.rs - de::StreamDeserializer (line 2034) ... ok
[INFO] [stdout] test src/macros.rs - json (line 3) ... ok
[INFO] [stdout] test src/lib.rs -  (line 243) ... ok
[INFO] [stdout] test src/de.rs - de::&'a mut Deserializer<R>::deserialize_bytes (line 1391) ... ok
[INFO] [stdout] test src/de.rs - de::from_slice (line 2322) ... ok
[INFO] [stdout] test src/de.rs - de::StreamDeserializer::byte_offset (line 2084) ... ok
[INFO] [stdout] test src/macros.rs - json (line 42) ... ok
[INFO] [stdout] test src/map.rs - map::Entry::or_insert (line 464) ... ok
[INFO] [stdout] test src/map.rs - map::Entry::or_insert_with (line 485) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::get_mut (line 605) ... ok
[INFO] [stdout] test src/lib.rs -  (line 121) ... ok
[INFO] [stdout] test src/map.rs - map::Map<String, Value> (line 241) ... ok
[INFO] [stdout] test src/map.rs - map::Map<String, Value> (line 269) ... ok
[INFO] [stdout] test src/map.rs - map::Entry::key (line 448) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::insert (line 658) ... ok
[INFO] [stdout] test src/map.rs - map::VacantEntry::insert (line 532) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::into_mut (line 631) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::get (line 581) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::key (line 557) ... ok
[INFO] [stdout] test src/number.rs - number::Number::as_f64 (line 196) ... ok
[INFO] [stdout] test src/number.rs - number::Number::from_f64 (line 220) ... ok
[INFO] [stdout] test src/map.rs - map::VacantEntry::key (line 510) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::remove (line 683) ... ok
[INFO] [stdout] test src/number.rs - number::Number::as_i64 (line 143) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 144) ... ok
[INFO] [stdout] test src/number.rs - number::Number::is_i64 (line 48) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 119) ... ok
[INFO] [stdout] test src/number.rs - number::Number::as_u64 (line 174) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 103) ... ok
[INFO] [stdout] test src/number.rs - number::Number::is_f64 (line 111) ... ok
[INFO] [stdout] test src/number.rs - number::Number::is_u64 (line 79) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 161) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 39) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 127) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 87) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 177) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 55) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 71) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 223) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from_iter (line 193) ... ok
[INFO] [stdout] test src/value/index.rs - value::index::Index (line 21) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from_iter (line 207) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from_iter (line 200) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::Array (line 150) ... ok
[INFO] [stdout] test src/value/index.rs - value::index::Value::index (line 194) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::Object (line 165) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::Null (line 114) ... ok
[INFO] [stdout] test src/value/index.rs - value::index::Value::index_mut (line 233) ... ok
[INFO] [stdout] test src/value/mod.rs - value (line 37) ... ok
[INFO] [stdout] test src/value/mod.rs - value (line 61) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::Bool (line 123) ... ok
[INFO] [stdout] test src/value/mod.rs - value (line 8) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::Number (line 132) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::String (line 141) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value (line 861) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_object (line 341) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_f64 (line 624) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_bool (line 662) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_array (line 400) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_array_mut (line 421) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::fmt (line 210) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_u64 (line 605) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_i64 (line 585) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_null (line 700) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::get (line 262) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_str (line 458) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::get_mut (line 304) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_object_mut (line 362) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_array (line 383) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_boolean (line 645) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::get (line 278) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_i64 (line 510) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_object (line 323) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_u64 (line 536) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_f64 (line 564) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_null (line 684) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_string (line 441) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_number (line 487) ... ok
[INFO] [stdout] test src/value/ser.rs - value::ser::Serializer (line 45) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::pointer (line 731) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::take (line 843) ... ok
[INFO] [stdout] test src/value/mod.rs - value::from_value (line 963) ... ok
[INFO] [stdout] test src/value/mod.rs - value::to_value (line 939) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::pointer_mut (line 786) ... ok
[INFO] [stdout] test src/value/mod.rs - value::to_value (line 901) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 95 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "45e01b2091473934abf2d5b0b3ae1669cf23e5b39fd7fca3745604b10c897b61"`
[INFO] running `"docker" "rm" "-f" "45e01b2091473934abf2d5b0b3ae1669cf23e5b39fd7fca3745604b10c897b61"`
[INFO] [stdout] 45e01b2091473934abf2d5b0b3ae1669cf23e5b39fd7fca3745604b10c897b61