[INFO] cloning repository https://github.com/alexjonestech/circle-eight
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexjonestech/circle-eight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexjonestech%2Fcircle-eight", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexjonestech%2Fcircle-eight'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4134b7bf733c8bd60b0cf0066171beba20b8ccb9
[INFO] checking alexjonestech/circle-eight against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexjonestech%2Fcircle-eight" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexjonestech/circle-eight on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexjonestech/circle-eight
[INFO] finished tweaking git repo https://github.com/alexjonestech/circle-eight
[INFO] tweaked toml for git repo https://github.com/alexjonestech/circle-eight written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/alexjonestech/circle-eight already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.74
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d553a9ba3458541d55381b97ba93bbfe32670c17331130f75e117529f3199497
[INFO] running `Command { std: "docker" "start" "-a" "d553a9ba3458541d55381b97ba93bbfe32670c17331130f75e117529f3199497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d553a9ba3458541d55381b97ba93bbfe32670c17331130f75e117529f3199497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d553a9ba3458541d55381b97ba93bbfe32670c17331130f75e117529f3199497", kill_on_drop: false }`
[INFO] [stdout] d553a9ba3458541d55381b97ba93bbfe32670c17331130f75e117529f3199497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef26998e1718139ca14921d3015a98cdc9161a14cae75cf042a59231577022ae
[INFO] running `Command { std: "docker" "start" "-a" "ef26998e1718139ca14921d3015a98cdc9161a14cae75cf042a59231577022ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
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[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.56.0
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[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling memchr v2.4.0
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[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling clang-sys v1.2.0
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[INFO] [stderr]    Compiling minifb v0.19.3
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[INFO] [stderr]    Compiling which v3.1.1
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[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
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[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
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[INFO] [stderr]     Checking wayland-commons v0.28.5
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[INFO] [stderr]    Compiling xkbcommon-sys v0.7.5
[INFO] [stderr]     Checking xkb v0.2.1
[INFO] [stderr]     Checking circle-eight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/model/memory.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         &self.access[(address-0x200)..(address-0x200)+values.len()]
[INFO] [stdout] 32 | |             .clone_from_slice(values);
[INFO] [stdout]    | |_____________________________________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = &self.access[(address-0x200)..(address-0x200)+values.len()]
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/model/memory.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         &self.access[(address-0x200)..(address-0x200)+values.len()]
[INFO] [stdout] 32 | |             .clone_from_slice(values);
[INFO] [stdout]    | |_____________________________________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = &self.access[(address-0x200)..(address-0x200)+values.len()]
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "ef26998e1718139ca14921d3015a98cdc9161a14cae75cf042a59231577022ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef26998e1718139ca14921d3015a98cdc9161a14cae75cf042a59231577022ae", kill_on_drop: false }`
[INFO] [stdout] ef26998e1718139ca14921d3015a98cdc9161a14cae75cf042a59231577022ae