[INFO] cloning repository https://github.com/luciusmagn/ratpoint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luciusmagn/ratpoint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluciusmagn%2Fratpoint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluciusmagn%2Fratpoint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37bd4740aeeafcd73344b11a7cc7bdaea8c91091
[INFO] checking luciusmagn/ratpoint against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluciusmagn%2Fratpoint" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luciusmagn/ratpoint 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/luciusmagn/ratpoint
[INFO] finished tweaking git repo https://github.com/luciusmagn/ratpoint
[INFO] tweaked toml for git repo https://github.com/luciusmagn/ratpoint written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/luciusmagn/ratpoint 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 76bd8c63ec7729cab3385f627a9470e0889baa8b2a5e5f5026e95b485fd5ba87
[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" "76bd8c63ec7729cab3385f627a9470e0889baa8b2a5e5f5026e95b485fd5ba87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76bd8c63ec7729cab3385f627a9470e0889baa8b2a5e5f5026e95b485fd5ba87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bd8c63ec7729cab3385f627a9470e0889baa8b2a5e5f5026e95b485fd5ba87", kill_on_drop: false }`
[INFO] [stdout] 76bd8c63ec7729cab3385f627a9470e0889baa8b2a5e5f5026e95b485fd5ba87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] d5d8fa6d7e9116c381e27bbced593ba5ba424c20faafb59f8d27c532700d390d
[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" "d5d8fa6d7e9116c381e27bbced593ba5ba424c20faafb59f8d27c532700d390d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stderr]     Checking pancurses v0.15.0
[INFO] [stderr]     Checking easycurses v0.10.0
[INFO] [stderr]     Checking ratpoint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Rust for Language {
[INFO] [stdout]    |               ^^^^^^^^ help: use `dyn`: `dyn Language`
[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/main.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Rust for Language {
[INFO] [stdout]    |               ^^^^^^^^ help: use `dyn`: `dyn Language`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/main.rs:316:47
[INFO] [stdout]     |
[INFO] [stdout] 316 |                         format!("\n  \\fB\\fU{}\\fR\n", heading.trim_left()).interpret(window, false);
[INFO] [stdout]     |                                                                 ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/main.rs:316:47
[INFO] [stdout]     |
[INFO] [stdout] 316 |                         format!("\n  \\fB\\fU{}\\fR\n", heading.trim_left()).interpret(window, false);
[INFO] [stdout]     |                                                                 ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:302:12
[INFO] [stdout]     |
[INFO] [stdout] 302 |                     Some(&x) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:302:12
[INFO] [stdout]     |
[INFO] [stdout] 302 |                     Some(&x) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.16s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5d8fa6d7e9116c381e27bbced593ba5ba424c20faafb59f8d27c532700d390d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d8fa6d7e9116c381e27bbced593ba5ba424c20faafb59f8d27c532700d390d", kill_on_drop: false }`
[INFO] [stdout] d5d8fa6d7e9116c381e27bbced593ba5ba424c20faafb59f8d27c532700d390d