[INFO] cloning repository https://github.com/emerick42/kairoi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emerick42/kairoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femerick42%2Fkairoi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femerick42%2Fkairoi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb4fe84d4f3970fd0f84a0917d46f86b4836cd49
[INFO] checking emerick42/kairoi against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femerick42%2Fkairoi" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emerick42/kairoi on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emerick42/kairoi
[INFO] finished tweaking git repo https://github.com/emerick42/kairoi
[INFO] tweaked toml for git repo https://github.com/emerick42/kairoi written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/emerick42/kairoi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8670b910584072c20c9790f98fce15cc2c25fd53d8358f3424f7c176db34efc4
[INFO] running `Command { std: "docker" "start" "-a" "8670b910584072c20c9790f98fce15cc2c25fd53d8358f3424f7c176db34efc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8670b910584072c20c9790f98fce15cc2c25fd53d8358f3424f7c176db34efc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8670b910584072c20c9790f98fce15cc2c25fd53d8358f3424f7c176db34efc4", kill_on_drop: false }`
[INFO] [stdout] 8670b910584072c20c9790f98fce15cc2c25fd53d8358f3424f7c176db34efc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c33531cec0b2a5825db77151b6d8bd92b51ec7eace24250b439e08eb67e08f4
[INFO] running `Command { std: "docker" "start" "-a" "3c33531cec0b2a5825db77151b6d8bd92b51ec7eace24250b439e08eb67e08f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
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[INFO] [stderr]    Compiling serde_derive v1.0.127
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[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]     Checking kairoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/controller/client/mod.rs:71:37
[INFO] [stdout]    |
[INFO] [stdout] 71 | ...                   &copied_buffer[0..bytes_to_parse.len()].copy_from_slice(&bytes_to_parse);
[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] 71 |                                     let _ = &copied_buffer[0..bytes_to_parse.len()].copy_from_slice(&bytes_to_parse);
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/controller/client/mod.rs:72:37
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   &copied_buffer[bytes_to_parse.len()..bytes_to_parse.len() + length].copy_from_slice(&buffer[0..length]);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |                                     let _ = &copied_buffer[bytes_to_parse.len()..bytes_to_parse.len() + length].copy_from_slice(&buffer[0..length]);
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/controller/client/mod.rs:78:37
[INFO] [stdout]    |
[INFO] [stdout] 78 | ...                   &copied_buffer[..].copy_from_slice(&buffer[..length]);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |                                     let _ = &copied_buffer[..].copy_from_slice(&buffer[..length]);
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/controller/client/mod.rs:71:37
[INFO] [stdout]    |
[INFO] [stdout] 71 | ...                   &copied_buffer[0..bytes_to_parse.len()].copy_from_slice(&bytes_to_parse);
[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] 71 |                                     let _ = &copied_buffer[0..bytes_to_parse.len()].copy_from_slice(&bytes_to_parse);
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/controller/client/mod.rs:72:37
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   &copied_buffer[bytes_to_parse.len()..bytes_to_parse.len() + length].copy_from_slice(&buffer[0..length]);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |                                     let _ = &copied_buffer[bytes_to_parse.len()..bytes_to_parse.len() + length].copy_from_slice(&buffer[0..length]);
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/controller/client/mod.rs:78:37
[INFO] [stdout]    |
[INFO] [stdout] 78 | ...                   &copied_buffer[..].copy_from_slice(&buffer[..length]);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |                                     let _ = &copied_buffer[..].copy_from_slice(&buffer[..length]);
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.61s
[INFO] running `Command { std: "docker" "inspect" "3c33531cec0b2a5825db77151b6d8bd92b51ec7eace24250b439e08eb67e08f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c33531cec0b2a5825db77151b6d8bd92b51ec7eace24250b439e08eb67e08f4", kill_on_drop: false }`
[INFO] [stdout] 3c33531cec0b2a5825db77151b6d8bd92b51ec7eace24250b439e08eb67e08f4