[INFO] fetching crate serde_json 1.0.71...
[INFO] testing serde_json-1.0.71 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate serde_json 1.0.71 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate serde_json 1.0.71 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_json 1.0.71
[INFO] finished tweaking crates.io crate serde_json 1.0.71
[INFO] tweaked toml for crates.io crate serde_json 1.0.71 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79fc485e3047c0b974abca5abbcb14b30904b781cc9263a8df690aca88ae8ab2
[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" "79fc485e3047c0b974abca5abbcb14b30904b781cc9263a8df690aca88ae8ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79fc485e3047c0b974abca5abbcb14b30904b781cc9263a8df690aca88ae8ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79fc485e3047c0b974abca5abbcb14b30904b781cc9263a8df690aca88ae8ab2", kill_on_drop: false }`
[INFO] [stdout] 79fc485e3047c0b974abca5abbcb14b30904b781cc9263a8df690aca88ae8ab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a49d690c1fdefd05192465de6cd13c152cd8dd570efe4da94a857aaed2184579
[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" "a49d690c1fdefd05192465de6cd13c152cd8dd570efe4da94a857aaed2184579", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.71 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.42s
[INFO] running `Command { std: "docker" "inspect" "a49d690c1fdefd05192465de6cd13c152cd8dd570efe4da94a857aaed2184579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49d690c1fdefd05192465de6cd13c152cd8dd570efe4da94a857aaed2184579", kill_on_drop: false }`
[INFO] [stdout] a49d690c1fdefd05192465de6cd13c152cd8dd570efe4da94a857aaed2184579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04289ff8bf392e702607eb66b10cf1cc30a07b4ac49cc1468c7ab52093fa9f7d
[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" "04289ff8bf392e702607eb66b10cf1cc30a07b4ac49cc1468c7ab52093fa9f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling trybuild v1.0.52
[INFO] [stderr]    Compiling dissimilar v1.0.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling automod v1.0.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling psm v0.1.16
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]    Compiling serde_stacker v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.71 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.00s
[INFO] running `Command { std: "docker" "inspect" "04289ff8bf392e702607eb66b10cf1cc30a07b4ac49cc1468c7ab52093fa9f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04289ff8bf392e702607eb66b10cf1cc30a07b4ac49cc1468c7ab52093fa9f7d", kill_on_drop: false }`
[INFO] [stdout] 04289ff8bf392e702607eb66b10cf1cc30a07b4ac49cc1468c7ab52093fa9f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c567b96dc835443e65c10391a64d213c56ea1a99786b884a0c4451459f0f5c08
[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" "c567b96dc835443e65c10391a64d213c56ea1a99786b884a0c4451459f0f5c08", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_json-545bf88937535f66)
[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] [stderr]    Doc-tests serde_json
[INFO] [stdout] 
[INFO] [stdout] running 98 tests
[INFO] [stdout] test src/error.rs - error::io::Error::from (line 135) ... ok
[INFO] [stdout] test src/de.rs - de::from_reader (line 2423) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] test src/de.rs - de::from_reader (line 2459) ... ok
[INFO] [stdout] test src/de.rs - de::StreamDeserializer (line 2223) ... ok
[INFO] [stdout] test src/lib.rs - (line 243) ... ok
[INFO] [stdout] test src/de.rs - de::from_slice (line 2512) ... ok
[INFO] [stdout] test src/lib.rs - (line 183) ... ok
[INFO] [stdout] test src/de.rs - de::&'amutDeserializer<R>::deserialize_bytes (line 1586) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - (line 212) ... ok
[INFO] [stdout] test src/macros.rs - macros::json (line 25) ... ok
[INFO] [stdout] test src/de.rs - de::StreamDeserializer::byte_offset (line 2273) ... ok
[INFO] [stdout] test src/de.rs - de::&'amutDeserializer<R>::deserialize_bytes (line 1565) ... ok
[INFO] [stdout] test src/de.rs - de::from_str (line 2554) ... ok
[INFO] [stdout] test src/lib.rs - (line 121) ... ok
[INFO] [stdout] test src/macros.rs - macros::json (line 42) ... ok
[INFO] [stdout] test src/map.rs - map::Entry::and_modify (line 579) ... ok
[INFO] [stdout] test src/macros.rs - macros::json (line 3) ... ok
[INFO] [stdout] test src/map.rs - map::Entry::key (line 519) ... ok
[INFO] [stdout] test src/map.rs - map::Entry::or_insert_with (line 556) ... ok
[INFO] [stdout] test src/map.rs - map::Entry::or_insert (line 535) ... ok
[INFO] [stdout] test src/map.rs - map::Map<String,Value> (line 340) ... ok
[INFO] [stdout] test src/map.rs - map::Map<String,Value> (line 312) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::get_mut (line 710) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::insert (line 763) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::get (line 686) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::into_mut (line 736) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::key (line 662) ... ok
[INFO] [stdout] test src/map.rs - map::VacantEntry::key (line 615) ... ok
[INFO] [stdout] test src/map.rs - map::VacantEntry::insert (line 637) ... ok
[INFO] [stdout] test src/map.rs - map::OccupiedEntry::remove (line 788) ... ok
[INFO] [stdout] test src/number.rs - number::Number::as_i64 (line 175) ... ok
[INFO] [stdout] test src/number.rs - number::Number::as_f64 (line 228) ... ok
[INFO] [stdout] test src/number.rs - number::Number::from_f64 (line 252) ... ok
[INFO] [stdout] test src/number.rs - number::Number::is_f64 (line 143) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 160) ... ok
[INFO] [stdout] test src/number.rs - number::Number::as_u64 (line 206) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 127) ... ok
[INFO] [stdout] test src/number.rs - number::Number::is_u64 (line 111) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 193) ... ok
[INFO] [stdout] test src/number.rs - number::Number::is_i64 (line 80) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 259) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from (line 103) ... 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 119) ... 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 144) ... 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_iter (line 216) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from_iter (line 223) ... 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 (line 87) ... ok
[INFO] [stdout] test src/value/index.rs - value::index::Value::index_mut (line 233) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from_iter (line 209) ... ok
[INFO] [stdout] test src/value/from.rs - value::from::Value::from_iter (line 239) ... ok
[INFO] [stdout] test src/value/index.rs - value::index::Value::index (line 194) ... 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 (line 847) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::Null (line 114) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::Array (line 150) ... 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::as_bool (line 673) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::Object (line 165) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_array (line 411) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_u64 (line 616) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_f64 (line 635) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_str (line 469) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_array_mut (line 432) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_object_mut (line 373) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_i64 (line 596) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_null (line 711) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::as_object (line 352) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::get (line 289) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::fmt (line 197) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::get_mut (line 315) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::get (line 273) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_i64 (line 521) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_array (line 394) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_number (line 498) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_f64 (line 575) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_u64 (line 547) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_string (line 452) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_null (line 695) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_boolean (line 656) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::pointer (line 742) ... ok
[INFO] [stdout] test src/value/ser.rs - value::ser::Serializer (line 45) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::take (line 829) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::is_object (line 334) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value::pointer_mut (line 787) ... ok
[INFO] [stdout] test src/value/mod.rs - value::to_value (line 887) ... ok
[INFO] [stdout] test src/value/mod.rs - value::from_value (line 949) ... ok
[INFO] [stdout] test src/value/mod.rs - value::to_value (line 925) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 98 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c567b96dc835443e65c10391a64d213c56ea1a99786b884a0c4451459f0f5c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c567b96dc835443e65c10391a64d213c56ea1a99786b884a0c4451459f0f5c08", kill_on_drop: false }`
[INFO] [stdout] c567b96dc835443e65c10391a64d213c56ea1a99786b884a0c4451459f0f5c08