[INFO] fetching crate serde-aux 2.1.0...
[INFO] testing serde-aux-2.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate serde-aux 2.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serde-aux 2.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-aux 2.1.0
[INFO] finished tweaking crates.io crate serde-aux 2.1.0
[INFO] tweaked toml for crates.io crate serde-aux 2.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_qs v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b155aabb7ae7319198784ee0df176aa317739ec33bc0810cadef4362875732b
[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" "1b155aabb7ae7319198784ee0df176aa317739ec33bc0810cadef4362875732b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b155aabb7ae7319198784ee0df176aa317739ec33bc0810cadef4362875732b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b155aabb7ae7319198784ee0df176aa317739ec33bc0810cadef4362875732b", kill_on_drop: false }`
[INFO] [stdout] 1b155aabb7ae7319198784ee0df176aa317739ec33bc0810cadef4362875732b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "build" "--frozen" "--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] 8f08b6365568337c2d6ec45c3c7a6dbd6134eeb9eed11839c80523172078f9b6
[INFO] running `Command { std: "docker" "start" "-a" "8f08b6365568337c2d6ec45c3c7a6dbd6134eeb9eed11839c80523172078f9b6", 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] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde-aux v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "8f08b6365568337c2d6ec45c3c7a6dbd6134eeb9eed11839c80523172078f9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f08b6365568337c2d6ec45c3c7a6dbd6134eeb9eed11839c80523172078f9b6", kill_on_drop: false }`
[INFO] [stdout] 8f08b6365568337c2d6ec45c3c7a6dbd6134eeb9eed11839c80523172078f9b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "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] bd97919f75db86a52c65ffd8a6080ceab364a6712bea7fb56639501ac87885a0
[INFO] running `Command { std: "docker" "start" "-a" "bd97919f75db86a52c65ffd8a6080ceab364a6712bea7fb56639501ac87885a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_qs v0.8.2
[INFO] [stderr]    Compiling serde-aux v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "bd97919f75db86a52c65ffd8a6080ceab364a6712bea7fb56639501ac87885a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd97919f75db86a52c65ffd8a6080ceab364a6712bea7fb56639501ac87885a0", kill_on_drop: false }`
[INFO] [stdout] bd97919f75db86a52c65ffd8a6080ceab364a6712bea7fb56639501ac87885a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8627974dd28094a5694359071fe8f010224f56236ae28d91f324dfa1c2d15eaf
[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" "8627974dd28094a5694359071fe8f010224f56236ae28d91f324dfa1c2d15eaf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_aux-e0a3622af6b2c6f0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test field_attributes::tests::test_deserialize_wrap_option_number_from_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde-aux
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_default_from_null (line 641) ... ok
[INFO] [stdout] test src/container_attributes.rs - enum_number_declare (line 56) ... ok
[INFO] [stdout] test src/container_attributes.rs - container_attributes::deserialize_struct_case_insensitive (line 14) ... ok
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_number_from_string (line 75) ... ok
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_number_from_string (line 52) ... ok
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_string_from_number (line 595) ... ok
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_mutex_option_number_from_string (line 295) ... ok
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_cell_option_number_from_string (line 251) ... ok
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_default_from_empty_object (line 676) ... ok
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_bool_from_anything (line 471) ... ok
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_rw_lock_option_number_from_string (line 317) ... ok
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_datetime_utc_from_milliseconds (line 12) ... ok
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_ref_cell_option_number_from_string (line 273) ... ok
[INFO] [stdout] test src/field_attributes.rs - field_attributes::deserialize_option_number_from_string (line 131) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8627974dd28094a5694359071fe8f010224f56236ae28d91f324dfa1c2d15eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8627974dd28094a5694359071fe8f010224f56236ae28d91f324dfa1c2d15eaf", kill_on_drop: false }`
[INFO] [stdout] 8627974dd28094a5694359071fe8f010224f56236ae28d91f324dfa1c2d15eaf