[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 try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy128k%2Feinstein" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andy128k/einstein on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded never v0.1.0
[INFO] [stderr]   Downloaded ropey v1.2.0
[INFO] [stderr]   Downloaded debug-cell v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f5fa606523360fcd75b1aff9d502df2742add4dcc8f5045aa575d94f4b7c891
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3f5fa606523360fcd75b1aff9d502df2742add4dcc8f5045aa575d94f4b7c891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f5fa606523360fcd75b1aff9d502df2742add4dcc8f5045aa575d94f4b7c891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5fa606523360fcd75b1aff9d502df2742add4dcc8f5045aa575d94f4b7c891", kill_on_drop: false }`
[INFO] [stdout] 3f5fa606523360fcd75b1aff9d502df2742add4dcc8f5045aa575d94f4b7c891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 163ad8d801148d7b01537e8cb5a07d121fb96961d99c8e7c48cb75dfb5fb3385
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "163ad8d801148d7b01537e8cb5a07d121fb96961d99c8e7c48cb75dfb5fb3385", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking never v0.1.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking ropey v1.2.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking debug-cell v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking einstein-puzzle v3.0.0 (/opt/rustwide/workdir/einstein-puzzle)
[INFO] [stderr]     Checking serde_json v1.0.64
[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: 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] [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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.90s
[INFO] running `Command { std: "docker" "inspect" "163ad8d801148d7b01537e8cb5a07d121fb96961d99c8e7c48cb75dfb5fb3385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163ad8d801148d7b01537e8cb5a07d121fb96961d99c8e7c48cb75dfb5fb3385", kill_on_drop: false }`
[INFO] [stdout] 163ad8d801148d7b01537e8cb5a07d121fb96961d99c8e7c48cb75dfb5fb3385