[INFO] fetching crate serial_container 0.3.1...
[INFO] testing serial_container-0.3.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate serial_container 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serial_container 0.3.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial_container 0.3.1
[INFO] finished tweaking crates.io crate serial_container 0.3.1
[INFO] tweaked toml for crates.io crate serial_container 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] f20eca5c0d271b7416845c9bcd45561fa96b9bf8a754e1e00d85b7b74801a13d
[INFO] running `Command { std: "docker" "start" "-a" "f20eca5c0d271b7416845c9bcd45561fa96b9bf8a754e1e00d85b7b74801a13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f20eca5c0d271b7416845c9bcd45561fa96b9bf8a754e1e00d85b7b74801a13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20eca5c0d271b7416845c9bcd45561fa96b9bf8a754e1e00d85b7b74801a13d", kill_on_drop: false }`
[INFO] [stdout] f20eca5c0d271b7416845c9bcd45561fa96b9bf8a754e1e00d85b7b74801a13d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] de04fdd8d0c2e43924ad5bc6d7b9b36e8a8fea12ee9c031c33a8a266a3cb79e1
[INFO] running `Command { std: "docker" "start" "-a" "de04fdd8d0c2e43924ad5bc6d7b9b36e8a8fea12ee9c031c33a8a266a3cb79e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_container v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "de04fdd8d0c2e43924ad5bc6d7b9b36e8a8fea12ee9c031c33a8a266a3cb79e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de04fdd8d0c2e43924ad5bc6d7b9b36e8a8fea12ee9c031c33a8a266a3cb79e1", kill_on_drop: false }`
[INFO] [stdout] de04fdd8d0c2e43924ad5bc6d7b9b36e8a8fea12ee9c031c33a8a266a3cb79e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 8c23ff1689e3fd513ba3b71704b45d35ad8a49fbd84e4aea51ccb9fa40e15c89
[INFO] running `Command { std: "docker" "start" "-a" "8c23ff1689e3fd513ba3b71704b45d35ad8a49fbd84e4aea51ccb9fa40e15c89", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_container v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_container-7a613527349558b5)
[INFO] running `Command { std: "docker" "inspect" "8c23ff1689e3fd513ba3b71704b45d35ad8a49fbd84e4aea51ccb9fa40e15c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c23ff1689e3fd513ba3b71704b45d35ad8a49fbd84e4aea51ccb9fa40e15c89", kill_on_drop: false }`
[INFO] [stdout] 8c23ff1689e3fd513ba3b71704b45d35ad8a49fbd84e4aea51ccb9fa40e15c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec1fd420371e519593de6bcc5d9ab9d34f838981319a91ad669dcf05b6492b4a
[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" "ec1fd420371e519593de6bcc5d9ab9d34f838981319a91ad669dcf05b6492b4a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_container-7a613527349558b5)
[INFO] [stdout] 
[INFO] [stdout] running 68 tests
[INFO] [stdout] test pack::tests::pack_bool ... ok
[INFO] [stdout] test pack::tests::pack_f32 ... ok
[INFO] [stdout] test pack::tests::pack_i128 ... ok
[INFO] [stdout] test pack::tests::pack_i32 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_i16 ... ok
[INFO] [stdout] test pack::tests::pack_i16 ... ok
[INFO] [stdout] test pack::tests::pack_i64 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_i128 ... ok
[INFO] [stdout] test pack::tests::pack_array_pointer ... ok
[INFO] [stdout] test pack::tests::pack_f64 ... ok
[INFO] [stdout] test pack::tests::pack_array ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_i32 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_option_u128 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_option_u16 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_i64 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_option_u32 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_option_i128 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_option_i64 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_option_u64 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_u16 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_option_u8 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_option_i16 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_u128 ... ok
[INFO] [stdout] test pack::tests::pack_u32 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_u32 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_u64 ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_u8 ... ok
[INFO] [stdout] test pack::tests::pack_str ... ok
[INFO] [stdout] test pack::tests::pack_non_zero_option_i32 ... ok
[INFO] [stdout] test pack::tests::pack_u128 ... ok
[INFO] [stdout] test pack::tests::pack_u16 ... ok
[INFO] [stdout] test unpack::tests::unpack_f32 ... ok
[INFO] [stdout] test unpack::tests::unpack_f64 ... ok
[INFO] [stdout] test unpack::tests::unpack_i128 ... ok
[INFO] [stdout] test unpack::tests::unpack_i16 ... ok
[INFO] [stdout] test unpack::tests::unpack_i32 ... ok
[INFO] [stdout] test unpack::tests::unpack_i64 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_i128 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_i16 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_i32 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_i64 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_option_i128 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_option_i16 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_option_i32 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_option_i64 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_option_u128 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_option_u16 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_option_u32 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_option_u64 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_option_u8 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_u128 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_u16 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_u32 ... ok
[INFO] [stdout] test unpack::tests::unpack_bool ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_u64 ... ok
[INFO] [stdout] test unpack::tests::unpack_non_zero_u8 ... ok
[INFO] [stdout] test unpack::tests::unpack_rc ... ok
[INFO] [stdout] test unpack::tests::unpack_string ... ok
[INFO] [stdout] test unpack::tests::unpack_u128 ... ok
[INFO] [stdout] test unpack::tests::unpack_u16 ... ok
[INFO] [stdout] test unpack::tests::unpack_u32 ... ok
[INFO] [stderr]    Doc-tests serial_container
[INFO] [stdout] test unpack::tests::unpack_u64 ... ok
[INFO] [stdout] test pack::tests::pack_u8 ... ok
[INFO] [stdout] test unpack::tests::unpack_arc ... ok
[INFO] [stdout] test unpack::tests::unpack_array ... ok
[INFO] [stdout] test pack::tests::pack_u64 ... ok
[INFO] [stdout] test unpack::tests::unpack_box ... ok
[INFO] [stdout] test unpack::tests::unpack_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 68 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec1fd420371e519593de6bcc5d9ab9d34f838981319a91ad669dcf05b6492b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1fd420371e519593de6bcc5d9ab9d34f838981319a91ad669dcf05b6492b4a", kill_on_drop: false }`
[INFO] [stdout] ec1fd420371e519593de6bcc5d9ab9d34f838981319a91ad669dcf05b6492b4a