[INFO] cloning repository https://github.com/StudyRecording/hecto-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StudyRecording/hecto-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStudyRecording%2Fhecto-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStudyRecording%2Fhecto-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60b1b84c1085c29e1fbfda7eacba4d33e5f004c7
[INFO] checking StudyRecording/hecto-learn against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStudyRecording%2Fhecto-learn" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StudyRecording/hecto-learn on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/StudyRecording/hecto-learn
[INFO] finished tweaking git repo https://github.com/StudyRecording/hecto-learn
[INFO] tweaked toml for git repo https://github.com/StudyRecording/hecto-learn written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/StudyRecording/hecto-learn 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v2.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d839f96d7c79fa23c6eefb0f9193cad021e69c877248a9119f4443c588ea836
[INFO] running `Command { std: "docker" "start" "-a" "5d839f96d7c79fa23c6eefb0f9193cad021e69c877248a9119f4443c588ea836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d839f96d7c79fa23c6eefb0f9193cad021e69c877248a9119f4443c588ea836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d839f96d7c79fa23c6eefb0f9193cad021e69c877248a9119f4443c588ea836", kill_on_drop: false }`
[INFO] [stdout] 5d839f96d7c79fa23c6eefb0f9193cad021e69c877248a9119f4443c588ea836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a424a05ad286275bbb7d6765aba9d30e4791f51a22d3c4e8675ba2ef96ed1dd
[INFO] running `Command { std: "docker" "start" "-a" "6a424a05ad286275bbb7d6765aba9d30e4791f51a22d3c4e8675ba2ef96ed1dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v2.0.3
[INFO] [stderr]     Checking hecto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "6a424a05ad286275bbb7d6765aba9d30e4791f51a22d3c4e8675ba2ef96ed1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a424a05ad286275bbb7d6765aba9d30e4791f51a22d3c4e8675ba2ef96ed1dd", kill_on_drop: false }`
[INFO] [stdout] 6a424a05ad286275bbb7d6765aba9d30e4791f51a22d3c4e8675ba2ef96ed1dd
[INFO] checking StudyRecording/hecto-learn against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStudyRecording%2Fhecto-learn" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StudyRecording/hecto-learn on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/StudyRecording/hecto-learn
[INFO] finished tweaking git repo https://github.com/StudyRecording/hecto-learn
[INFO] tweaked toml for git repo https://github.com/StudyRecording/hecto-learn written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/StudyRecording/hecto-learn 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2e65091ea6a53218fb55630453216c9c671302666b5caec2b66c868c2c4790c
[INFO] running `Command { std: "docker" "start" "-a" "e2e65091ea6a53218fb55630453216c9c671302666b5caec2b66c868c2c4790c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2e65091ea6a53218fb55630453216c9c671302666b5caec2b66c868c2c4790c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e65091ea6a53218fb55630453216c9c671302666b5caec2b66c868c2c4790c", kill_on_drop: false }`
[INFO] [stdout] e2e65091ea6a53218fb55630453216c9c671302666b5caec2b66c868c2c4790c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c72ed62fa3ed2dae823823e315d7bf1a4a2e722569b17e45463f7100c92b242d
[INFO] running `Command { std: "docker" "start" "-a" "c72ed62fa3ed2dae823823e315d7bf1a4a2e722569b17e45463f7100c92b242d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v2.0.3
[INFO] [stderr]     Checking hecto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/terminal.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                        ^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/terminal.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout]    = note: requested on the command line with `-D dereferencing-mut-binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/terminal.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                               ^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/terminal.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/terminal.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                        ^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/terminal.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout]    = note: requested on the command line with `-D dereferencing-mut-binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/terminal.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                               ^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/terminal.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hecto` (bin "hecto" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hecto` (bin "hecto") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c72ed62fa3ed2dae823823e315d7bf1a4a2e722569b17e45463f7100c92b242d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72ed62fa3ed2dae823823e315d7bf1a4a2e722569b17e45463f7100c92b242d", kill_on_drop: false }`
[INFO] [stdout] c72ed62fa3ed2dae823823e315d7bf1a4a2e722569b17e45463f7100c92b242d