[INFO] cloning repository https://github.com/zomerfaun/grot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zomerfaun/grot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzomerfaun%2Fgrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzomerfaun%2Fgrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 813e34a4a227d5fc0a5193b1f9f37f9a8e93abcb
[INFO] checking zomerfaun/grot against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzomerfaun%2Fgrot" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zomerfaun/grot on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zomerfaun/grot
[INFO] finished tweaking git repo https://github.com/zomerfaun/grot
[INFO] tweaked toml for git repo https://github.com/zomerfaun/grot written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/zomerfaun/grot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3dfa8ca7926e94d765099e49c5dfc56b490a22408f3b99e4dc7e6fe5f0ff709
[INFO] running `Command { std: "docker" "start" "-a" "a3dfa8ca7926e94d765099e49c5dfc56b490a22408f3b99e4dc7e6fe5f0ff709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3dfa8ca7926e94d765099e49c5dfc56b490a22408f3b99e4dc7e6fe5f0ff709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3dfa8ca7926e94d765099e49c5dfc56b490a22408f3b99e4dc7e6fe5f0ff709", kill_on_drop: false }`
[INFO] [stdout] a3dfa8ca7926e94d765099e49c5dfc56b490a22408f3b99e4dc7e6fe5f0ff709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53fd1a960a611b9e8a246f524f9ee492dde3c8dd1f84203cc75de0f327d0940a
[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" "53fd1a960a611b9e8a246f524f9ee492dde3c8dd1f84203cc75de0f327d0940a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking serde v1.0.33
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling serde_derive_internals v0.21.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]    Compiling serde_derive v1.0.33
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]     Checking structopt v0.2.5
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking grot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "53fd1a960a611b9e8a246f524f9ee492dde3c8dd1f84203cc75de0f327d0940a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53fd1a960a611b9e8a246f524f9ee492dde3c8dd1f84203cc75de0f327d0940a", kill_on_drop: false }`
[INFO] [stdout] 53fd1a960a611b9e8a246f524f9ee492dde3c8dd1f84203cc75de0f327d0940a