[INFO] fetching crate splinter 0.3.17...
[INFO] checking splinter-0.3.17 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate splinter 0.3.17 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate splinter 0.3.17 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate splinter 0.3.17
[INFO] finished tweaking crates.io crate splinter 0.3.17
[INFO] tweaked toml for crates.io crate splinter 0.3.17 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate splinter 0.3.17 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 216c49f10a02db5e3cd119b206950e42bc2ba14dd22b46f25b1c14221244e109
[INFO] running `"docker" "start" "-a" "216c49f10a02db5e3cd119b206950e42bc2ba14dd22b46f25b1c14221244e109"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling protoc v2.14.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling protobuf-codegen v2.14.0
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling protoc-rust v2.14.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling serial_test_derive v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling splinter v0.3.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serial_test v0.3.2
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]     --> src/admin/service/shared.rs:1004:9
[INFO] [stderr]      |
[INFO] [stderr] 1004 |         std::mem::replace(&mut self.pending_protocol_payloads, protocol);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]     --> src/admin/service/shared.rs:1014:9
[INFO] [stderr]      |
[INFO] [stderr] 1014 |         std::mem::replace(&mut self.unpeered_payloads, unpeered_payloads);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]     --> src/admin/service/shared.rs:1030:9
[INFO] [stderr]      |
[INFO] [stderr] 1030 |         std::mem::replace(&mut self.unpeered_payloads, still_unpeered);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]     --> src/admin/service/shared.rs:1126:9
[INFO] [stderr]      |
[INFO] [stderr] 1126 |         std::mem::replace(&mut self.pending_protocol_payloads, waiting);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]     --> src/admin/service/shared.rs:1004:9
[INFO] [stderr]      |
[INFO] [stderr] 1004 |         std::mem::replace(&mut self.pending_protocol_payloads, protocol);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]     --> src/admin/service/shared.rs:1014:9
[INFO] [stderr]      |
[INFO] [stderr] 1014 |         std::mem::replace(&mut self.unpeered_payloads, unpeered_payloads);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]     --> src/admin/service/shared.rs:1030:9
[INFO] [stderr]      |
[INFO] [stderr] 1030 |         std::mem::replace(&mut self.unpeered_payloads, still_unpeered);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]     --> src/admin/service/shared.rs:1126:9
[INFO] [stderr]      |
[INFO] [stderr] 1126 |         std::mem::replace(&mut self.pending_protocol_payloads, waiting);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `"docker" "inspect" "216c49f10a02db5e3cd119b206950e42bc2ba14dd22b46f25b1c14221244e109"`
[INFO] running `"docker" "rm" "-f" "216c49f10a02db5e3cd119b206950e42bc2ba14dd22b46f25b1c14221244e109"`
[INFO] [stdout] 216c49f10a02db5e3cd119b206950e42bc2ba14dd22b46f25b1c14221244e109