[INFO] fetching crate gel-o 0.0.3...
[INFO] testing gel-o-0.0.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate gel-o 0.0.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate gel-o 0.0.3
[INFO] finished tweaking crates.io crate gel-o 0.0.3
[INFO] tweaked toml for crates.io crate gel-o 0.0.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gel-o 0.0.3 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gel-o 0.0.3 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded epoll v4.1.0
[INFO] [stderr]   Downloaded inotify-sys v0.1.3
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] [stderr]   Downloaded evdev-rs v0.4.0
[INFO] [stderr]   Downloaded inotify v0.8.2
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] [stderr]   Downloaded evdev-sys v0.2.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89f7e9b96442599be3386c32bc08df94a0ee6c4aeda1a37505e832914a853056
[INFO] running `Command { std: "docker" "start" "-a" "89f7e9b96442599be3386c32bc08df94a0ee6c4aeda1a37505e832914a853056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89f7e9b96442599be3386c32bc08df94a0ee6c4aeda1a37505e832914a853056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f7e9b96442599be3386c32bc08df94a0ee6c4aeda1a37505e832914a853056", kill_on_drop: false }`
[INFO] [stdout] 89f7e9b96442599be3386c32bc08df94a0ee6c4aeda1a37505e832914a853056
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8519b828e9be8785b97c6b9fb30af4822b6f5c1de7b50558c340c61ef713b386
[INFO] running `Command { std: "docker" "start" "-a" "8519b828e9be8785b97c6b9fb30af4822b6f5c1de7b50558c340c61ef713b386", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling epoll v4.1.0
[INFO] [stderr]    Compiling inotify v0.8.2
[INFO] [stderr]    Compiling evdev-sys v0.2.1
[INFO] [stderr]    Compiling evdev-rs v0.4.0
[INFO] [stderr]    Compiling gel-o v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:181:48
[INFO] [stdout]     |
[INFO] [stdout] 181 |             for (recieved_inst, event, idx) in opt {
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 181 -             for (recieved_inst, event, idx) in opt {
[INFO] [stdout] 181 +             while let Some((recieved_inst, event, idx)) = opt {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 181 -             for (recieved_inst, event, idx) in opt {
[INFO] [stdout] 181 +             if let Some((recieved_inst, event, idx)) = opt {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "8519b828e9be8785b97c6b9fb30af4822b6f5c1de7b50558c340c61ef713b386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8519b828e9be8785b97c6b9fb30af4822b6f5c1de7b50558c340c61ef713b386", kill_on_drop: false }`
[INFO] [stdout] 8519b828e9be8785b97c6b9fb30af4822b6f5c1de7b50558c340c61ef713b386
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84925a26596dfe622a08ca83b204329790d6eb8d9d086c26aa0d03cc7d067256
[INFO] running `Command { std: "docker" "start" "-a" "84925a26596dfe622a08ca83b204329790d6eb8d9d086c26aa0d03cc7d067256", kill_on_drop: false }`
[INFO] [stderr]    Compiling gel-o v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:181:48
[INFO] [stdout]     |
[INFO] [stdout] 181 |             for (recieved_inst, event, idx) in opt {
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 181 -             for (recieved_inst, event, idx) in opt {
[INFO] [stdout] 181 +             while let Some((recieved_inst, event, idx)) = opt {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 181 -             for (recieved_inst, event, idx) in opt {
[INFO] [stdout] 181 +             if let Some((recieved_inst, event, idx)) = opt {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:181:48
[INFO] [stdout]     |
[INFO] [stdout] 181 |             for (recieved_inst, event, idx) in opt {
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 181 -             for (recieved_inst, event, idx) in opt {
[INFO] [stdout] 181 +             while let Some((recieved_inst, event, idx)) = opt {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 181 -             for (recieved_inst, event, idx) in opt {
[INFO] [stdout] 181 +             if let Some((recieved_inst, event, idx)) = opt {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "84925a26596dfe622a08ca83b204329790d6eb8d9d086c26aa0d03cc7d067256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84925a26596dfe622a08ca83b204329790d6eb8d9d086c26aa0d03cc7d067256", kill_on_drop: false }`
[INFO] [stdout] 84925a26596dfe622a08ca83b204329790d6eb8d9d086c26aa0d03cc7d067256
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf2cbb1b7743720040c506419193bb4facad26cf14f028e1939d7bb655350a7e
[INFO] running `Command { std: "docker" "start" "-a" "bf2cbb1b7743720040c506419193bb4facad26cf14f028e1939d7bb655350a7e", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/lib.rs:181:48
[INFO] [stderr]     |
[INFO] [stderr] 181 |             for (recieved_inst, event, idx) in opt {
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 181 -             for (recieved_inst, event, idx) in opt {
[INFO] [stderr] 181 +             while let Some((recieved_inst, event, idx)) = opt {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 181 -             for (recieved_inst, event, idx) in opt {
[INFO] [stderr] 181 +             if let Some((recieved_inst, event, idx)) = opt {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `gel-o` (lib) generated 1 warning
[INFO] [stderr] warning: `gel-o` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gelo-9bd6ed9518c4a4eb)
[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] [stderr]    Doc-tests gelo
[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" "bf2cbb1b7743720040c506419193bb4facad26cf14f028e1939d7bb655350a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2cbb1b7743720040c506419193bb4facad26cf14f028e1939d7bb655350a7e", kill_on_drop: false }`
[INFO] [stdout] bf2cbb1b7743720040c506419193bb4facad26cf14f028e1939d7bb655350a7e