[INFO] cloning repository https://github.com/zyxw59/subway_map.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyxw59/subway_map.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyxw59%2Fsubway_map.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyxw59%2Fsubway_map.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a00a074e04c313db41e811dcb4f8cb6b8635336
[INFO] checking zyxw59/subway_map.rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyxw59%2Fsubway_map.rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zyxw59/subway_map.rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zyxw59/subway_map.rs
[INFO] finished tweaking git repo https://github.com/zyxw59/subway_map.rs
[INFO] tweaked toml for git repo https://github.com/zyxw59/subway_map.rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zyxw59/subway_map.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0e15c9ef809ef67e96ce92199e2693f8d3e71a42f935734a98725eb054babe5
[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" "e0e15c9ef809ef67e96ce92199e2693f8d3e71a42f935734a98725eb054babe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0e15c9ef809ef67e96ce92199e2693f8d3e71a42f935734a98725eb054babe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e15c9ef809ef67e96ce92199e2693f8d3e71a42f935734a98725eb054babe5", kill_on_drop: false }`
[INFO] [stdout] e0e15c9ef809ef67e96ce92199e2693f8d3e71a42f935734a98725eb054babe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 752069924f21d92612e9bcade8cceecefa13582a8cbfaea2ab118a39674555ef
[INFO] running `Command { std: "docker" "start" "-a" "752069924f21d92612e9bcade8cceecefa13582a8cbfaea2ab118a39674555ef", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking svg v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking subway_map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/macros.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / macro_rules! itry_opt {
[INFO] [stdout] 33 | |     ($expr:expr) => {
[INFO] [stdout] 34 | |         match $expr {
[INFO] [stdout] 35 | |             Some(Ok(val)) => val,
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |     };
[INFO] [stdout] 43 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/macros.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / macro_rules! itry_opt {
[INFO] [stdout] 33 | |     ($expr:expr) => {
[INFO] [stdout] 34 | |         match $expr {
[INFO] [stdout] 35 | |             Some(Ok(val)) => val,
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |     };
[INFO] [stdout] 43 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` 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 18.52s
[INFO] running `Command { std: "docker" "inspect" "752069924f21d92612e9bcade8cceecefa13582a8cbfaea2ab118a39674555ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752069924f21d92612e9bcade8cceecefa13582a8cbfaea2ab118a39674555ef", kill_on_drop: false }`
[INFO] [stdout] 752069924f21d92612e9bcade8cceecefa13582a8cbfaea2ab118a39674555ef