[INFO] fetching crate ruma-serde 0.2.3...
[INFO] testing ruma-serde-0.2.3 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate ruma-serde 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ruma-serde 0.2.3 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruma-serde 0.2.3
[INFO] finished tweaking crates.io crate ruma-serde 0.2.3
[INFO] tweaked toml for crates.io crate ruma-serde 0.2.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded js_int v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4990fdf29b30417ef95eee59d8f16133a593ce112bc9179c02a6e2f24e11919a
[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" "4990fdf29b30417ef95eee59d8f16133a593ce112bc9179c02a6e2f24e11919a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4990fdf29b30417ef95eee59d8f16133a593ce112bc9179c02a6e2f24e11919a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4990fdf29b30417ef95eee59d8f16133a593ce112bc9179c02a6e2f24e11919a", kill_on_drop: false }`
[INFO] [stdout] 4990fdf29b30417ef95eee59d8f16133a593ce112bc9179c02a6e2f24e11919a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cee52b070ad2343185e06791e6596292ef731568cc18677c8959fd5349f4f4e
[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" "2cee52b070ad2343185e06791e6596292ef731568cc18677c8959fd5349f4f4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling js_int v0.1.9
[INFO] [stderr]    Compiling ruma-serde v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.57s
[INFO] running `Command { std: "docker" "inspect" "2cee52b070ad2343185e06791e6596292ef731568cc18677c8959fd5349f4f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cee52b070ad2343185e06791e6596292ef731568cc18677c8959fd5349f4f4e", kill_on_drop: false }`
[INFO] [stdout] 2cee52b070ad2343185e06791e6596292ef731568cc18677c8959fd5349f4f4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e5845983eb233f4b71ed2331bc35e42ee65c3962ecf38b008c05a67ee07e702
[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" "9e5845983eb233f4b71ed2331bc35e42ee65c3962ecf38b008c05a67ee07e702", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruma-serde v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "9e5845983eb233f4b71ed2331bc35e42ee65c3962ecf38b008c05a67ee07e702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5845983eb233f4b71ed2331bc35e42ee65c3962ecf38b008c05a67ee07e702", kill_on_drop: false }`
[INFO] [stdout] 9e5845983eb233f4b71ed2331bc35e42ee65c3962ecf38b008c05a67ee07e702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5e8720826053c20456dbc2bd010bd254a3ad81f5b2c93ea3b69a7de5961cf60
[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" "b5e8720826053c20456dbc2bd010bd254a3ad81f5b2c93ea3b69a7de5961cf60", 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]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ruma_serde-fa2c05b47049a98a
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test duration::opt_ms::tests::test_deserialize_none_by_absence ... ok
[INFO] [stdout] test duration::opt_ms::tests::test_deserialize_none_by_null ... ok
[INFO] [stdout] test duration::opt_ms::tests::test_serialize_none ... ok
[INFO] [stdout] test duration::opt_ms::tests::test_deserialize_some ... ok
[INFO] [stdout] test duration::secs::tests::test_deserialize ... ok
[INFO] [stdout] test time::opt_ms_since_unix_epoch::tests::test_deserialize_none_by_absence ... ok
[INFO] [stdout] test time::ms_since_unix_epoch::tests::test_serialize ... ok
[INFO] [stdout] test time::ms_since_unix_epoch::tests::test_deserialize ... ok
[INFO] [stdout] test time::opt_ms_since_unix_epoch::tests::test_deserialize_none_by_null ... ok
[INFO] [stdout] test time::opt_ms_since_unix_epoch::tests::test_deserialize_some ... ok
[INFO] [stdout] test duration::secs::tests::test_serialize ... ok
[INFO] [stdout] test duration::opt_ms::tests::test_serialize_some ... ok
[INFO] [stdout] test time::opt_ms_since_unix_epoch::tests::test_serialize_none ... ok
[INFO] [stdout] test time::opt_ms_since_unix_epoch::tests::test_serialize_some ... ok
[INFO] [stdout] test urlencoded::de::val_or_vec::tests::cow_borrowed ... ok
[INFO] [stdout] test urlencoded::de::val_or_vec::tests::cow_owned ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/url_deserialize-ae6ba0c45c2309e7
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test deserialize_list_of_enum ... ok
[INFO] [stdout] test deserialize_borrowed_str ... ok
[INFO] [stdout] test deserialize_list_of_newtype ... ok
[INFO] [stdout] test deserialize_list_of_str ... ok
[INFO] [stdout] test deserialize_list_of_option ... ok
[INFO] [stdout] test deserialize_bytes ... ok
[INFO] [stdout] test deserialize_nested_list_option ... ignored
[INFO] [stdout] test deserialize_nested_struct ... ignored
[INFO] [stdout] test deserialize_nested_struct_with_list ... ignored
[INFO] [stdout] test deserialize_multiple_lists ... ok
[INFO] [stdout] test deserialize_numlist ... ok
[INFO] [stdout] test deserialize_option ... ok
[INFO] [stdout] test deserialize_newtype_i32 ... ok
[INFO] [stdout] test deserialize_newstruct ... ok
[INFO] [stdout] test deserialize_reader ... ok
[INFO] [stdout] test deserialize_nested_list ... ok
[INFO] [stdout] test deserialize_unit_enum ... ok
[INFO] [stdout] test deserialize_unit_type ... ok
[INFO] [stdout] test deserialize_struct ... ok
[INFO] [stdout] test deserialize_unit ... ok
[INFO] [stdout] test deserialize_with_serde_attributes ... ok
[INFO] [stdout] test deserialize_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/url_serialize-72a93338051a02d7
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test serialize_list_of_enum ... ok
[INFO] [stdout] test serialize_list_of_str ... ok
[INFO] [stdout] test serialize_list_of_option ... ok
[INFO] [stdout] test serialize_map_bool ... ok
[INFO] [stdout] test serialize_list_of_newtype ... ok
[INFO] [stdout] test serialize_map ... ok
[INFO] [stdout] test serialize_nested_struct ... ignored
[INFO] [stdout] test serialize_nested_struct_with_list ... ignored
[INFO] [stdout] test serialize_nested_list ... ok
[INFO] [stdout] test serialize_unit_type ... ok
[INFO] [stdout] test serialize_option_map_int ... ok
[INFO] [stdout] test serialize_option_map_string ... ok
[INFO] [stdout] test serialize_newtype_i32 ... ok
[INFO] [stdout] test serialize_multiple_lists ... ok
[INFO] [stdout] test serialize_unit_enum ... ok
[INFO] [stdout] test serialize_unit_struct ... ok
[INFO] [stdout] test serialize_option_map_bool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ruma-serde
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/urlencoded/de.rs - urlencoded::de::from_str (line 46) ... ok
[INFO] [stdout] test src/urlencoded/ser.rs - urlencoded::ser::to_string (line 15) ... ok
[INFO] [stdout] test src/urlencoded/de.rs - urlencoded::de::from_bytes (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5e8720826053c20456dbc2bd010bd254a3ad81f5b2c93ea3b69a7de5961cf60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e8720826053c20456dbc2bd010bd254a3ad81f5b2c93ea3b69a7de5961cf60", kill_on_drop: false }`
[INFO] [stdout] b5e8720826053c20456dbc2bd010bd254a3ad81f5b2c93ea3b69a7de5961cf60