[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#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faeryz%2Funsafe-rust-lab" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aeryz/unsafe-rust-lab on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aeryz/unsafe-rust-lab 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70bb15d5ac351e81f3bf242bbbc628c56a5fa36467972792895335b0d1d285f3
[INFO] running `Command { std: "docker" "start" "-a" "70bb15d5ac351e81f3bf242bbbc628c56a5fa36467972792895335b0d1d285f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70bb15d5ac351e81f3bf242bbbc628c56a5fa36467972792895335b0d1d285f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70bb15d5ac351e81f3bf242bbbc628c56a5fa36467972792895335b0d1d285f3", kill_on_drop: false }`
[INFO] [stdout] 70bb15d5ac351e81f3bf242bbbc628c56a5fa36467972792895335b0d1d285f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1b06fec26733a641436971698cac84169daa9dc1f03882869465fb9d7016841
[INFO] running `Command { std: "docker" "start" "-a" "c1b06fec26733a641436971698cac84169daa9dc1f03882869465fb9d7016841", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafe-rust-lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/main.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Inspector<'a>(&'a u8, &'static str);
[INFO] [stdout]   |        ---------     ^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 - struct Inspector<'a>(&'a u8, &'static str);
[INFO] [stdout] 3 + struct Inspector<'a>((), &'static str);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/main.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Inspector<'a>(&'a u8, &'static str);
[INFO] [stdout]   |        ---------     ^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 - struct Inspector<'a>(&'a u8, &'static str);
[INFO] [stdout] 3 + struct Inspector<'a>((), &'static str);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `count`, `data1`, and `data2` are never read
[INFO] [stdout]  --> repr/repr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Foo<T, U> {
[INFO] [stdout]   |        --- fields in this struct
[INFO] [stdout] 4 |     count: u16,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     data1: T,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     data2: U,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "c1b06fec26733a641436971698cac84169daa9dc1f03882869465fb9d7016841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b06fec26733a641436971698cac84169daa9dc1f03882869465fb9d7016841", kill_on_drop: false }`
[INFO] [stdout] c1b06fec26733a641436971698cac84169daa9dc1f03882869465fb9d7016841
