[INFO] cloning repository https://github.com/adipascu/rust-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adipascu/rust-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadipascu%2Frust-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadipascu%2Frust-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf825d7c7c2767529d4feafeb7ef263c5f1c695d
[INFO] checking adipascu/rust-lab against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadipascu%2Frust-lab" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adipascu/rust-lab 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/adipascu/rust-lab
[INFO] finished tweaking git repo https://github.com/adipascu/rust-lab
[INFO] tweaked toml for git repo https://github.com/adipascu/rust-lab written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/adipascu/rust-lab 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9870c23506bea101956888010d2cdfe43737e5e351ee537570d9565939fa7452
[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" "9870c23506bea101956888010d2cdfe43737e5e351ee537570d9565939fa7452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9870c23506bea101956888010d2cdfe43737e5e351ee537570d9565939fa7452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9870c23506bea101956888010d2cdfe43737e5e351ee537570d9565939fa7452", kill_on_drop: false }`
[INFO] [stdout] 9870c23506bea101956888010d2cdfe43737e5e351ee537570d9565939fa7452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f33d977c8764560c64e4ff89c404c6161f86f2d872ca5749e66a0c0448b02e45
[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" "f33d977c8764560c64e4ff89c404c6161f86f2d872ca5749e66a0c0448b02e45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `make_sound`
[INFO] [stdout]   --> src/main.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 |   fn make_sound(&self) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myPet` should have a snake case name
[INFO] [stdout]   --> src/main.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 |   let myPet = Animal::new(10);
[INFO] [stdout]    |       ^^^^^ help: convert the identifier to snake case: `my_pet`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_sound`
[INFO] [stdout]   --> src/main.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 |   fn make_sound(&self) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myPet` should have a snake case name
[INFO] [stdout]   --> src/main.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 |   let myPet = Animal::new(10);
[INFO] [stdout]    |       ^^^^^ help: convert the identifier to snake case: `my_pet`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f33d977c8764560c64e4ff89c404c6161f86f2d872ca5749e66a0c0448b02e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f33d977c8764560c64e4ff89c404c6161f86f2d872ca5749e66a0c0448b02e45", kill_on_drop: false }`
[INFO] [stdout] f33d977c8764560c64e4ff89c404c6161f86f2d872ca5749e66a0c0448b02e45