[INFO] cloning repository https://github.com/IvanMalison/hola-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IvanMalison/hola-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIvanMalison%2Fhola-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIvanMalison%2Fhola-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47a11fb9fc570b2b0dd5598c431ddf8234fcd7d7
[INFO] checking IvanMalison/hola-rust against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIvanMalison%2Fhola-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IvanMalison/hola-rust on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IvanMalison/hola-rust
[INFO] finished tweaking git repo https://github.com/IvanMalison/hola-rust
[INFO] tweaked toml for git repo https://github.com/IvanMalison/hola-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/IvanMalison/hola-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 692cecf7a484d32adfc10c0cd7207e83678bb660cd0f321d1314d60bdd12f4e8
[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" "692cecf7a484d32adfc10c0cd7207e83678bb660cd0f321d1314d60bdd12f4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "692cecf7a484d32adfc10c0cd7207e83678bb660cd0f321d1314d60bdd12f4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692cecf7a484d32adfc10c0cd7207e83678bb660cd0f321d1314d60bdd12f4e8", kill_on_drop: false }`
[INFO] [stdout] 692cecf7a484d32adfc10c0cd7207e83678bb660cd0f321d1314d60bdd12f4e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] 0df9166ae3fe236593088f6ad80afa79638751c7f0ac92283b01d18d641d092c
[INFO] running `Command { std: "docker" "start" "-a" "0df9166ae3fe236593088f6ad80afa79638751c7f0ac92283b01d18d641d092c", kill_on_drop: false }`
[INFO] [stderr]     Checking holarust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dyn_vs_impl.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn make_vector() -> Vec<Box<DynVsImpl>> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[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/dyn_vs_impl.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut vec : Vec<Box<DynVsImpl>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dyn_vs_impl.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn make_vector() -> Vec<Box<DynVsImpl>> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[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/dyn_vs_impl.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut vec : Vec<Box<DynVsImpl>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^^^^ help: use `dyn`: `dyn DynVsImpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_vector_impl`
[INFO] [stdout]   --> src/dyn_vs_impl.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn make_vector_impl() -> Vec<impl DynVsImpl> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_vector_impl`
[INFO] [stdout]   --> src/dyn_vs_impl.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn make_vector_impl() -> Vec<impl DynVsImpl> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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 0.56s
[INFO] running `Command { std: "docker" "inspect" "0df9166ae3fe236593088f6ad80afa79638751c7f0ac92283b01d18d641d092c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df9166ae3fe236593088f6ad80afa79638751c7f0ac92283b01d18d641d092c", kill_on_drop: false }`
[INFO] [stdout] 0df9166ae3fe236593088f6ad80afa79638751c7f0ac92283b01d18d641d092c