[INFO] cloning repository https://github.com/Riptawr/zoo_visitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Riptawr/zoo_visitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiptawr%2Fzoo_visitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiptawr%2Fzoo_visitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86149d8276134d03b82f770c1ab15a84542d0fcd
[INFO] checking Riptawr/zoo_visitor against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiptawr%2Fzoo_visitor" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Riptawr/zoo_visitor on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Riptawr/zoo_visitor
[INFO] finished tweaking git repo https://github.com/Riptawr/zoo_visitor
[INFO] tweaked toml for git repo https://github.com/Riptawr/zoo_visitor written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Riptawr/zoo_visitor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4c3d3e652c016349e39279f267cedead070695029e0e2c58c4e41607e4176d1
[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" "c4c3d3e652c016349e39279f267cedead070695029e0e2c58c4e41607e4176d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4c3d3e652c016349e39279f267cedead070695029e0e2c58c4e41607e4176d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c3d3e652c016349e39279f267cedead070695029e0e2c58c4e41607e4176d1", kill_on_drop: false }`
[INFO] [stdout] c4c3d3e652c016349e39279f267cedead070695029e0e2c58c4e41607e4176d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3dcd074a43210f2ef6cc8d64992a8bee7c274aa88e54d5a5ce5de7cb2b43cb7
[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" "e3dcd074a43210f2ef6cc8d64992a8bee7c274aa88e54d5a5ce5de7cb2b43cb7", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]    Compiling zookeeper_derive v0.3.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking zookeeper v0.4.0
[INFO] [stderr]     Checking zoo_visitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "e3dcd074a43210f2ef6cc8d64992a8bee7c274aa88e54d5a5ce5de7cb2b43cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3dcd074a43210f2ef6cc8d64992a8bee7c274aa88e54d5a5ce5de7cb2b43cb7", kill_on_drop: false }`
[INFO] [stdout] e3dcd074a43210f2ef6cc8d64992a8bee7c274aa88e54d5a5ce5de7cb2b43cb7