[INFO] cloning repository https://github.com/Mathijs-Bakker/thirty_one
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mathijs-Bakker/thirty_one" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathijs-Bakker%2Fthirty_one", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathijs-Bakker%2Fthirty_one'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8a07053d72385ab520ede501865e061d35006c4
[INFO] checking Mathijs-Bakker/thirty_one against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathijs-Bakker%2Fthirty_one" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mathijs-Bakker/thirty_one on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mathijs-Bakker/thirty_one
[INFO] finished tweaking git repo https://github.com/Mathijs-Bakker/thirty_one
[INFO] tweaked toml for git repo https://github.com/Mathijs-Bakker/thirty_one written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Mathijs-Bakker/thirty_one 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" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 738e5cf1bba7d8d598effa2bf4bc7362374bd665521f8b84caeb43d3993c4c05
[INFO] running `Command { std: "docker" "start" "-a" "738e5cf1bba7d8d598effa2bf4bc7362374bd665521f8b84caeb43d3993c4c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "738e5cf1bba7d8d598effa2bf4bc7362374bd665521f8b84caeb43d3993c4c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "738e5cf1bba7d8d598effa2bf4bc7362374bd665521f8b84caeb43d3993c4c05", kill_on_drop: false }`
[INFO] [stdout] 738e5cf1bba7d8d598effa2bf4bc7362374bd665521f8b84caeb43d3993c4c05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13d3aebafaccedcb405ea0f14aa87794c49b223fecaca567932d3834e97dc53a
[INFO] running `Command { std: "docker" "start" "-a" "13d3aebafaccedcb405ea0f14aa87794c49b223fecaca567932d3834e97dc53a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking thirty_one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/card_deck.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Card<'a> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     pub value: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Card` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `points` is never read
[INFO] [stdout]   --> src/player.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Player<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub points: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/card_deck.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Card<'a> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     pub value: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Card` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `points` is never read
[INFO] [stdout]   --> src/player.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Player<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub points: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "13d3aebafaccedcb405ea0f14aa87794c49b223fecaca567932d3834e97dc53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d3aebafaccedcb405ea0f14aa87794c49b223fecaca567932d3834e97dc53a", kill_on_drop: false }`
[INFO] [stdout] 13d3aebafaccedcb405ea0f14aa87794c49b223fecaca567932d3834e97dc53a