[INFO] cloning repository https://github.com/Artem711/Rust-DataStructures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Artem711/Rust-DataStructures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtem711%2FRust-DataStructures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtem711%2FRust-DataStructures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 171a1d1f636658a5b29cccbbadd6c0863fe6fc3e
[INFO] checking Artem711/Rust-DataStructures against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtem711%2FRust-DataStructures" "/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/Artem711/Rust-DataStructures on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Artem711/Rust-DataStructures
[INFO] finished tweaking git repo https://github.com/Artem711/Rust-DataStructures
[INFO] tweaked toml for git repo https://github.com/Artem711/Rust-DataStructures written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Artem711/Rust-DataStructures already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc3e4f5e66a633a32f50aba395e7de68307d6ab024c0325b3ff498f8c7c1e8d3
[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" "bc3e4f5e66a633a32f50aba395e7de68307d6ab024c0325b3ff498f8c7c1e8d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc3e4f5e66a633a32f50aba395e7de68307d6ab024c0325b3ff498f8c7c1e8d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3e4f5e66a633a32f50aba395e7de68307d6ab024c0325b3ff498f8c7c1e8d3", kill_on_drop: false }`
[INFO] [stdout] bc3e4f5e66a633a32f50aba395e7de68307d6ab024c0325b3ff498f8c7c1e8d3
[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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8321d93058bc8b88c9e68a299131f377aa5cdd305dcf51ef658a1665f7b9f697
[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" "8321d93058bc8b88c9e68a299131f377aa5cdd305dcf51ef658a1665f7b9f697", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking x-data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `Command { std: "docker" "inspect" "8321d93058bc8b88c9e68a299131f377aa5cdd305dcf51ef658a1665f7b9f697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8321d93058bc8b88c9e68a299131f377aa5cdd305dcf51ef658a1665f7b9f697", kill_on_drop: false }`
[INFO] [stdout] 8321d93058bc8b88c9e68a299131f377aa5cdd305dcf51ef658a1665f7b9f697