[INFO] cloning repository https://github.com/andy128k/einstein
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andy128k/einstein" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy128k%2Feinstein", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy128k%2Feinstein'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e93395c639f04481fd168338e93ee0d90bc02a39
[INFO] checking andy128k/einstein against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy128k%2Feinstein" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andy128k/einstein on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andy128k/einstein
[INFO] finished tweaking git repo https://github.com/andy128k/einstein
[INFO] tweaked toml for git repo https://github.com/andy128k/einstein written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/andy128k/einstein already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ced83439df54f579fed5a5d6b510b37f59aed917014308c3956ef0788b5dbb0
[INFO] running `Command { std: "docker" "start" "-a" "2ced83439df54f579fed5a5d6b510b37f59aed917014308c3956ef0788b5dbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ced83439df54f579fed5a5d6b510b37f59aed917014308c3956ef0788b5dbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ced83439df54f579fed5a5d6b510b37f59aed917014308c3956ef0788b5dbb0", kill_on_drop: false }`
[INFO] [stdout] 2ced83439df54f579fed5a5d6b510b37f59aed917014308c3956ef0788b5dbb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5270f05854c87347e4fd34b3a27e76697263a4b861b46c70d9d467b4c1182247
[INFO] running `Command { std: "docker" "start" "-a" "5270f05854c87347e4fd34b3a27e76697263a4b861b46c70d9d467b4c1182247", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]     Checking never v0.1.0
[INFO] [stderr]     Checking ropey v1.2.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking debug-cell v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking einstein-puzzle v3.0.0 (/opt/rustwide/workdir/einstein-puzzle)
[INFO] [stdout] warning: associated function is never used: `random`
[INFO] [stdout]   --> einstein-puzzle/src/rules.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn random(rng: &mut impl Rng) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random`
[INFO] [stdout]   --> einstein-puzzle/src/rules.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn random(rng: &mut impl Rng) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking einstein v3.0.0 (/opt/rustwide/workdir/einstein)
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]   --> einstein/src/ui/common.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn contains(&self, x: i32, y: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Top`
[INFO] [stdout]   --> einstein/src/ui/common.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Top,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bottom`
[INFO] [stdout]   --> einstein/src/ui/common.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     Bottom,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]   --> einstein/src/ui/common.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn contains(&self, x: i32, y: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Top`
[INFO] [stdout]   --> einstein/src/ui/common.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Top,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bottom`
[INFO] [stdout]   --> einstein/src/ui/common.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     Bottom,
[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 26.10s
[INFO] running `Command { std: "docker" "inspect" "5270f05854c87347e4fd34b3a27e76697263a4b861b46c70d9d467b4c1182247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5270f05854c87347e4fd34b3a27e76697263a4b861b46c70d9d467b4c1182247", kill_on_drop: false }`
[INFO] [stdout] 5270f05854c87347e4fd34b3a27e76697263a4b861b46c70d9d467b4c1182247