[INFO] fetching crate lookit 0.3.2...
[INFO] building lookit-0.3.2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate lookit 0.3.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate lookit 0.3.2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lookit 0.3.2
[INFO] finished tweaking crates.io crate lookit 0.3.2
[INFO] tweaked toml for crates.io crate lookit 0.3.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate lookit 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async_main_macro v0.3.0
[INFO] [stderr]   Downloaded whisk v0.11.0
[INFO] [stderr]   Downloaded async_main v0.3.0
[INFO] [stderr]   Downloaded smelling_salts v0.12.1
[INFO] [stderr]   Downloaded pasts v0.14.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcc177903be9932fb20eb918add732172c28ce967f2e69cc17953bb9421e16b9
[INFO] running `Command { std: "docker" "start" "-a" "fcc177903be9932fb20eb918add732172c28ce967f2e69cc17953bb9421e16b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcc177903be9932fb20eb918add732172c28ce967f2e69cc17953bb9421e16b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc177903be9932fb20eb918add732172c28ce967f2e69cc17953bb9421e16b9", kill_on_drop: false }`
[INFO] [stdout] fcc177903be9932fb20eb918add732172c28ce967f2e69cc17953bb9421e16b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0d84964f214a39e29b4a335137f2e889fa0ab7bdafe04eb03ec449d67aebeab
[INFO] running `Command { std: "docker" "start" "-a" "c0d84964f214a39e29b4a335137f2e889fa0ab7bdafe04eb03ec449d67aebeab", kill_on_drop: false }`
[INFO] [stderr]    Compiling pasts v0.14.3
[INFO] [stderr]    Compiling whisk v0.11.0
[INFO] [stderr]    Compiling smelling_salts v0.12.1
[INFO] [stderr]    Compiling lookit v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let begin: [u8; mem::size_of::<InotifyEv>()] = self.buffer
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:54:5
[INFO] [stdout]     |
[INFO] [stdout] 54  |     unused_qualifications,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 158 -         let begin: [u8; mem::size_of::<InotifyEv>()] = self.buffer
[INFO] [stdout] 158 +         let begin: [u8; size_of::<InotifyEv>()] = self.buffer
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:159:16
[INFO] [stdout]     |
[INFO] [stdout] 159 |             [..mem::size_of::<InotifyEv>()]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 159 -             [..mem::size_of::<InotifyEv>()]
[INFO] [stdout] 159 +             [..size_of::<InotifyEv>()]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:164:34
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let bytes = &self.buffer[mem::size_of::<InotifyEv>()..][..len];
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 164 -         let bytes = &self.buffer[mem::size_of::<InotifyEv>()..][..len];
[INFO] [stdout] 164 +         let bytes = &self.buffer[size_of::<InotifyEv>()..][..len];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:171:33
[INFO] [stdout]     |
[INFO] [stdout] 171 |             self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 171 -             self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout] 171 +             self.buffer.drain(..size_of::<InotifyEv>() + len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 |         self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 176 -         self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout] 176 +         self.buffer.drain(..size_of::<InotifyEv>() + len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "c0d84964f214a39e29b4a335137f2e889fa0ab7bdafe04eb03ec449d67aebeab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d84964f214a39e29b4a335137f2e889fa0ab7bdafe04eb03ec449d67aebeab", kill_on_drop: false }`
[INFO] [stdout] c0d84964f214a39e29b4a335137f2e889fa0ab7bdafe04eb03ec449d67aebeab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41cf494032c9be8c4ee9ae3c5e00d80757477d0a0b6533e71829b5271d04cdc1
[INFO] running `Command { std: "docker" "start" "-a" "41cf494032c9be8c4ee9ae3c5e00d80757477d0a0b6533e71829b5271d04cdc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling async_main_macro v0.3.0
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let begin: [u8; mem::size_of::<InotifyEv>()] = self.buffer
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:54:5
[INFO] [stdout]     |
[INFO] [stdout] 54  |     unused_qualifications,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 158 -         let begin: [u8; mem::size_of::<InotifyEv>()] = self.buffer
[INFO] [stdout] 158 +         let begin: [u8; size_of::<InotifyEv>()] = self.buffer
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:159:16
[INFO] [stdout]     |
[INFO] [stdout] 159 |             [..mem::size_of::<InotifyEv>()]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 159 -             [..mem::size_of::<InotifyEv>()]
[INFO] [stdout] 159 +             [..size_of::<InotifyEv>()]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:164:34
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let bytes = &self.buffer[mem::size_of::<InotifyEv>()..][..len];
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 164 -         let bytes = &self.buffer[mem::size_of::<InotifyEv>()..][..len];
[INFO] [stdout] 164 +         let bytes = &self.buffer[size_of::<InotifyEv>()..][..len];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:171:33
[INFO] [stdout]     |
[INFO] [stdout] 171 |             self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 171 -             self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout] 171 +             self.buffer.drain(..size_of::<InotifyEv>() + len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 |         self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 176 -         self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout] 176 +         self.buffer.drain(..size_of::<InotifyEv>() + len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling async_main v0.3.0
[INFO] [stderr]    Compiling lookit v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let begin: [u8; mem::size_of::<InotifyEv>()] = self.buffer
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:54:5
[INFO] [stdout]     |
[INFO] [stdout] 54  |     unused_qualifications,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 158 -         let begin: [u8; mem::size_of::<InotifyEv>()] = self.buffer
[INFO] [stdout] 158 +         let begin: [u8; size_of::<InotifyEv>()] = self.buffer
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:159:16
[INFO] [stdout]     |
[INFO] [stdout] 159 |             [..mem::size_of::<InotifyEv>()]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 159 -             [..mem::size_of::<InotifyEv>()]
[INFO] [stdout] 159 +             [..size_of::<InotifyEv>()]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:164:34
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let bytes = &self.buffer[mem::size_of::<InotifyEv>()..][..len];
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 164 -         let bytes = &self.buffer[mem::size_of::<InotifyEv>()..][..len];
[INFO] [stdout] 164 +         let bytes = &self.buffer[size_of::<InotifyEv>()..][..len];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:171:33
[INFO] [stdout]     |
[INFO] [stdout] 171 |             self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 171 -             self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout] 171 +             self.buffer.drain(..size_of::<InotifyEv>() + len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/linux.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 |         self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 176 -         self.buffer.drain(..mem::size_of::<InotifyEv>() + len);
[INFO] [stdout] 176 +         self.buffer.drain(..size_of::<InotifyEv>() + len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "41cf494032c9be8c4ee9ae3c5e00d80757477d0a0b6533e71829b5271d04cdc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41cf494032c9be8c4ee9ae3c5e00d80757477d0a0b6533e71829b5271d04cdc1", kill_on_drop: false }`
[INFO] [stdout] 41cf494032c9be8c4ee9ae3c5e00d80757477d0a0b6533e71829b5271d04cdc1