[INFO] cloning repository https://github.com/aeryz/unsafe-rust-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aeryz/unsafe-rust-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faeryz%2Funsafe-rust-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faeryz%2Funsafe-rust-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4b4960cd7df75101eba792ebfcca8f539357b4f
[INFO] checking aeryz/unsafe-rust-lab against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faeryz%2Funsafe-rust-lab" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aeryz/unsafe-rust-lab on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aeryz/unsafe-rust-lab
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/aeryz/unsafe-rust-lab
[INFO] tweaked toml for git repo https://github.com/aeryz/unsafe-rust-lab written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/aeryz/unsafe-rust-lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b683339cbcf2153efeaeb7ddf7538fbb8811a17dd7a6b4452120d8416ed66ab
[INFO] running `Command { std: "docker" "start" "-a" "5b683339cbcf2153efeaeb7ddf7538fbb8811a17dd7a6b4452120d8416ed66ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b683339cbcf2153efeaeb7ddf7538fbb8811a17dd7a6b4452120d8416ed66ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b683339cbcf2153efeaeb7ddf7538fbb8811a17dd7a6b4452120d8416ed66ab", kill_on_drop: false }`
[INFO] [stdout] 5b683339cbcf2153efeaeb7ddf7538fbb8811a17dd7a6b4452120d8416ed66ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b42c8d8e9bdad9b51d47443a671bb449db850dec0404d414fb74bcbc10cf345
[INFO] running `Command { std: "docker" "start" "-a" "9b42c8d8e9bdad9b51d47443a671bb449db850dec0404d414fb74bcbc10cf345", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafe-rust-lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]  --> repr/repr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     count: u16,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data1`
[INFO] [stdout]  --> repr/repr.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     data1: T,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data2`
[INFO] [stdout]  --> repr/repr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     data2: U,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.15s
[INFO] running `Command { std: "docker" "inspect" "9b42c8d8e9bdad9b51d47443a671bb449db850dec0404d414fb74bcbc10cf345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b42c8d8e9bdad9b51d47443a671bb449db850dec0404d414fb74bcbc10cf345", kill_on_drop: false }`
[INFO] [stdout] 9b42c8d8e9bdad9b51d47443a671bb449db850dec0404d414fb74bcbc10cf345