[INFO] cloning repository https://github.com/spocot/MalachiteLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spocot/MalachiteLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspocot%2FMalachiteLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspocot%2FMalachiteLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b843d1919c78433fd52457deb3f9ea971da5c547
[INFO] testing spocot/MalachiteLang against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspocot%2FMalachiteLang" "/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/spocot/MalachiteLang on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spocot/MalachiteLang
[INFO] finished tweaking git repo https://github.com/spocot/MalachiteLang
[INFO] tweaked toml for git repo https://github.com/spocot/MalachiteLang written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/spocot/MalachiteLang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b21015f1dc7f4a76c26b6d1b0a6fc5709dc75e7cdd966b45c1bf90cba276995
[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" "5b21015f1dc7f4a76c26b6d1b0a6fc5709dc75e7cdd966b45c1bf90cba276995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b21015f1dc7f4a76c26b6d1b0a6fc5709dc75e7cdd966b45c1bf90cba276995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b21015f1dc7f4a76c26b6d1b0a6fc5709dc75e7cdd966b45c1bf90cba276995", kill_on_drop: false }`
[INFO] [stdout] 5b21015f1dc7f4a76c26b6d1b0a6fc5709dc75e7cdd966b45c1bf90cba276995
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee7e276d651874ced9d336ccbbd3cc3acdac620f6e483f196e854ec5aad6799a
[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" "ee7e276d651874ced9d336ccbbd3cc3acdac620f6e483f196e854ec5aad6799a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling malachite v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/lexer/tokentypes.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     parent: Option<Weak<RefCell<Node<T>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ntype`
[INFO] [stdout]   --> src/lexer/tokentypes.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ntype: Type,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nval`
[INFO] [stdout]   --> src/lexer/tokentypes.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     nval: Rc<RefCell<Node<T>>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "ee7e276d651874ced9d336ccbbd3cc3acdac620f6e483f196e854ec5aad6799a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee7e276d651874ced9d336ccbbd3cc3acdac620f6e483f196e854ec5aad6799a", kill_on_drop: false }`
[INFO] [stdout] ee7e276d651874ced9d336ccbbd3cc3acdac620f6e483f196e854ec5aad6799a
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f01734d2733ea8ca4d2f1bd43550776d29cb93b89aba9133138a86b3daa2deb
[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" "8f01734d2733ea8ca4d2f1bd43550776d29cb93b89aba9133138a86b3daa2deb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "8f01734d2733ea8ca4d2f1bd43550776d29cb93b89aba9133138a86b3daa2deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f01734d2733ea8ca4d2f1bd43550776d29cb93b89aba9133138a86b3daa2deb", kill_on_drop: false }`
[INFO] [stdout] 8f01734d2733ea8ca4d2f1bd43550776d29cb93b89aba9133138a86b3daa2deb
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0b82ea3f8be0740a520ce4bb81e0f18dbc5dd76aabde21b2d125f3f400d2bd7
[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" "a0b82ea3f8be0740a520ce4bb81e0f18dbc5dd76aabde21b2d125f3f400d2bd7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "a0b82ea3f8be0740a520ce4bb81e0f18dbc5dd76aabde21b2d125f3f400d2bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b82ea3f8be0740a520ce4bb81e0f18dbc5dd76aabde21b2d125f3f400d2bd7", kill_on_drop: false }`
[INFO] [stdout] a0b82ea3f8be0740a520ce4bb81e0f18dbc5dd76aabde21b2d125f3f400d2bd7