[INFO] cloning repository https://github.com/utam0k/r9cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/utam0k/r9cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fr9cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fr9cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9a9f1d3b322fedfd690900a89a63efe154396da
[INFO] checking utam0k/r9cc against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fr9cc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/utam0k/r9cc on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/utam0k/r9cc
[INFO] finished tweaking git repo https://github.com/utam0k/r9cc
[INFO] tweaked toml for git repo https://github.com/utam0k/r9cc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/utam0k/r9cc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb729181439b22b3261f346bf7790225ea536f1e53b8865dd4047c2a16ff740c
[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" "cb729181439b22b3261f346bf7790225ea536f1e53b8865dd4047c2a16ff740c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb729181439b22b3261f346bf7790225ea536f1e53b8865dd4047c2a16ff740c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb729181439b22b3261f346bf7790225ea536f1e53b8865dd4047c2a16ff740c", kill_on_drop: false }`
[INFO] [stdout] cb729181439b22b3261f346bf7790225ea536f1e53b8865dd4047c2a16ff740c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcf3d70b227e182d0c9b9a96ac0dc4e17f19feae61bbcc233d600a7e0d6b5e25
[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" "bcf3d70b227e182d0c9b9a96ac0dc4e17f19feae61bbcc233d600a7e0d6b5e25", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking r9cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sema.rs:57:46
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn into_new_range<T: Sized>(param: T, f: Box<Fn(T) -> T>) -> T {
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sema.rs:57:46
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn into_new_range<T: Sized>(param: T, f: Box<Fn(T) -> T>) -> T {
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/preprocess.rs:277:13
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let mut args = self.read_args();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/preprocess.rs:277:13
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let mut args = self.read_args();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "bcf3d70b227e182d0c9b9a96ac0dc4e17f19feae61bbcc233d600a7e0d6b5e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf3d70b227e182d0c9b9a96ac0dc4e17f19feae61bbcc233d600a7e0d6b5e25", kill_on_drop: false }`
[INFO] [stdout] bcf3d70b227e182d0c9b9a96ac0dc4e17f19feae61bbcc233d600a7e0d6b5e25