[INFO] cloning repository https://github.com/pk1890/io_uring_like_circular_buffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pk1890/io_uring_like_circular_buffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpk1890%2Fio_uring_like_circular_buffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpk1890%2Fio_uring_like_circular_buffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5371ba7678cecd67951469d83642a7357afc314
[INFO] testing pk1890/io_uring_like_circular_buffer against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpk1890%2Fio_uring_like_circular_buffer" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pk1890/io_uring_like_circular_buffer on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pk1890/io_uring_like_circular_buffer
[INFO] finished tweaking git repo https://github.com/pk1890/io_uring_like_circular_buffer
[INFO] tweaked toml for git repo https://github.com/pk1890/io_uring_like_circular_buffer written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/pk1890/io_uring_like_circular_buffer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9552e653dc76be986a65eb2f7c7c54338567110d1318640a220dfb866ce2a8c0
[INFO] running `Command { std: "docker" "start" "-a" "9552e653dc76be986a65eb2f7c7c54338567110d1318640a220dfb866ce2a8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9552e653dc76be986a65eb2f7c7c54338567110d1318640a220dfb866ce2a8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9552e653dc76be986a65eb2f7c7c54338567110d1318640a220dfb866ce2a8c0", kill_on_drop: false }`
[INFO] [stdout] 9552e653dc76be986a65eb2f7c7c54338567110d1318640a220dfb866ce2a8c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13a98bde13f4b252b8e4dacb13cc8a049f73e807848ecbb4b5d01608f8d147f1
[INFO] running `Command { std: "docker" "start" "-a" "13a98bde13f4b252b8e4dacb13cc8a049f73e807848ecbb4b5d01608f8d147f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde-xml-rs v0.3.1
[INFO] [stderr]    Compiling cargo-valgrind v1.3.0
[INFO] [stderr]    Compiling circular_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `isEmpty` should have a snake case name
[INFO] [stdout]    --> src/main.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn isEmpty(&self) -> bool{
[INFO] [stdout]     |            ^^^^^^^ help: convert the identifier to snake case: `is_empty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.47s
[INFO] running `Command { std: "docker" "inspect" "13a98bde13f4b252b8e4dacb13cc8a049f73e807848ecbb4b5d01608f8d147f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a98bde13f4b252b8e4dacb13cc8a049f73e807848ecbb4b5d01608f8d147f1", kill_on_drop: false }`
[INFO] [stdout] 13a98bde13f4b252b8e4dacb13cc8a049f73e807848ecbb4b5d01608f8d147f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aeba2b762173f9c3b6764dc992ce4c2c5bfa98e2312b33b1bac7cd7b1eff2ea
[INFO] running `Command { std: "docker" "start" "-a" "9aeba2b762173f9c3b6764dc992ce4c2c5bfa98e2312b33b1bac7cd7b1eff2ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling circular_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `isEmpty` should have a snake case name
[INFO] [stdout]    --> src/main.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn isEmpty(&self) -> bool{
[INFO] [stdout]     |            ^^^^^^^ help: convert the identifier to snake case: `is_empty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/circular_buffer-39f28783bdad0ac0)
[INFO] running `Command { std: "docker" "inspect" "9aeba2b762173f9c3b6764dc992ce4c2c5bfa98e2312b33b1bac7cd7b1eff2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aeba2b762173f9c3b6764dc992ce4c2c5bfa98e2312b33b1bac7cd7b1eff2ea", kill_on_drop: false }`
[INFO] [stdout] 9aeba2b762173f9c3b6764dc992ce4c2c5bfa98e2312b33b1bac7cd7b1eff2ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 077ddec5d235b003442936c79e0342e24a877e052e678f4fc39017355f9302b5
[INFO] running `Command { std: "docker" "start" "-a" "077ddec5d235b003442936c79e0342e24a877e052e678f4fc39017355f9302b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: method `isEmpty` should have a snake case name
[INFO] [stderr]    --> src/main.rs:139:12
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn isEmpty(&self) -> bool{
[INFO] [stderr]     |            ^^^^^^^ help: convert the identifier to snake case: `is_empty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `circular_buffer` (bin "circular_buffer" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/circular_buffer-39f28783bdad0ac0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "077ddec5d235b003442936c79e0342e24a877e052e678f4fc39017355f9302b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077ddec5d235b003442936c79e0342e24a877e052e678f4fc39017355f9302b5", kill_on_drop: false }`
[INFO] [stdout] 077ddec5d235b003442936c79e0342e24a877e052e678f4fc39017355f9302b5