[INFO] cloning repository https://github.com/Quackingplatypus/Rust_Playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Quackingplatypus/Rust_Playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuackingplatypus%2FRust_Playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuackingplatypus%2FRust_Playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d19648795da247a7c052fa3dab31b6494d70b2d5
[INFO] testing Quackingplatypus/Rust_Playground against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuackingplatypus%2FRust_Playground" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Quackingplatypus/Rust_Playground on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Quackingplatypus/Rust_Playground
[INFO] finished tweaking git repo https://github.com/Quackingplatypus/Rust_Playground
[INFO] tweaked toml for git repo https://github.com/Quackingplatypus/Rust_Playground written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Quackingplatypus/Rust_Playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ab182bb82adb2c7bd837c6db426ddee488f26bf51f31cd50b807a8610ced95d
[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" "4ab182bb82adb2c7bd837c6db426ddee488f26bf51f31cd50b807a8610ced95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ab182bb82adb2c7bd837c6db426ddee488f26bf51f31cd50b807a8610ced95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab182bb82adb2c7bd837c6db426ddee488f26bf51f31cd50b807a8610ced95d", kill_on_drop: false }`
[INFO] [stdout] 4ab182bb82adb2c7bd837c6db426ddee488f26bf51f31cd50b807a8610ced95d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--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] 5e74738ae26605892ff55d33aa2966723485dbaa733d1e9255121d4cdcd324fd
[INFO] running `Command { std: "docker" "start" "-a" "5e74738ae26605892ff55d33aa2966723485dbaa733d1e9255121d4cdcd324fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust_Playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Rust_Playground` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_playground`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "5e74738ae26605892ff55d33aa2966723485dbaa733d1e9255121d4cdcd324fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e74738ae26605892ff55d33aa2966723485dbaa733d1e9255121d4cdcd324fd", kill_on_drop: false }`
[INFO] [stdout] 5e74738ae26605892ff55d33aa2966723485dbaa733d1e9255121d4cdcd324fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5186ff395835d25ec4b13f356eea197ce8ee0dd26e01e22dbe6be0324952ebf0
[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" "5186ff395835d25ec4b13f356eea197ce8ee0dd26e01e22dbe6be0324952ebf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust_Playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Rust_Playground` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_playground`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "5186ff395835d25ec4b13f356eea197ce8ee0dd26e01e22dbe6be0324952ebf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5186ff395835d25ec4b13f356eea197ce8ee0dd26e01e22dbe6be0324952ebf0", kill_on_drop: false }`
[INFO] [stdout] 5186ff395835d25ec4b13f356eea197ce8ee0dd26e01e22dbe6be0324952ebf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7b2fd32da649eb0156577e926807eb405b0b7ecd053aa8b2241fd79ca84ec55
[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" "f7b2fd32da649eb0156577e926807eb405b0b7ecd053aa8b2241fd79ca84ec55", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: crate `Rust_Playground` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_playground`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `Rust_Playground` (bin "Rust_Playground" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Rust_Playground-0bc0752bcccccaa0)
[INFO] running `Command { std: "docker" "inspect" "f7b2fd32da649eb0156577e926807eb405b0b7ecd053aa8b2241fd79ca84ec55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b2fd32da649eb0156577e926807eb405b0b7ecd053aa8b2241fd79ca84ec55", kill_on_drop: false }`
[INFO] [stdout] f7b2fd32da649eb0156577e926807eb405b0b7ecd053aa8b2241fd79ca84ec55