[INFO] cloning repository https://github.com/Hosshii/rs9cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hosshii/rs9cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Frs9cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Frs9cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7974bf01a34a72fef82c940181543787fd3fe5e
[INFO] checking Hosshii/rs9cc against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Frs9cc" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hosshii/rs9cc on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hosshii/rs9cc
[INFO] finished tweaking git repo https://github.com/Hosshii/rs9cc
[INFO] tweaked toml for git repo https://github.com/Hosshii/rs9cc written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Hosshii/rs9cc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3b31d0e8727932cffe7943a2f82eeba29ec9ad8d90a7ec1ee9ecbf5ce140358
[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" "d3b31d0e8727932cffe7943a2f82eeba29ec9ad8d90a7ec1ee9ecbf5ce140358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3b31d0e8727932cffe7943a2f82eeba29ec9ad8d90a7ec1ee9ecbf5ce140358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b31d0e8727932cffe7943a2f82eeba29ec9ad8d90a7ec1ee9ecbf5ce140358", kill_on_drop: false }`
[INFO] [stdout] d3b31d0e8727932cffe7943a2f82eeba29ec9ad8d90a7ec1ee9ecbf5ce140358
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a1546799708e26084047b1aa714d85a0e3ebb0798d3684813c2d59aff10e925
[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" "0a1546799708e26084047b1aa714d85a0e3ebb0798d3684813c2d59aff10e925", kill_on_drop: false }`
[INFO] [stderr]     Checking rs9cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `is_variadic` is assigned to, but never used
[INFO] [stdout]   --> src/ast/ast.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let mut is_variadic = false;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_is_variadic` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_variadic` is never read
[INFO] [stdout]   --> src/ast/ast.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         is_variadic = tmp.1;
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_bol` is never read
[INFO] [stdout]    --> src/token/token.rs:548:13
[INFO] [stdout]     |
[INFO] [stdout] 548 |         let mut is_bol = false;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `is_variadic` is assigned to, but never used
[INFO] [stdout]   --> src/ast/ast.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let mut is_variadic = false;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_is_variadic` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_variadic` is never read
[INFO] [stdout]   --> src/ast/ast.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         is_variadic = tmp.1;
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_bol` is never read
[INFO] [stdout]    --> src/token/token.rs:548:13
[INFO] [stdout]     |
[INFO] [stdout] 548 |         let mut is_bol = false;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `Command { std: "docker" "inspect" "0a1546799708e26084047b1aa714d85a0e3ebb0798d3684813c2d59aff10e925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a1546799708e26084047b1aa714d85a0e3ebb0798d3684813c2d59aff10e925", kill_on_drop: false }`
[INFO] [stdout] 0a1546799708e26084047b1aa714d85a0e3ebb0798d3684813c2d59aff10e925