[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 try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpk1890%2Fio_uring_like_circular_buffer" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pk1890/io_uring_like_circular_buffer on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-14/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-valgrind v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef374bbf610bdb87cf00491985eef99025e1d5589a5383fbeaf20e5908dcc38a
[INFO] running `Command { std: "docker" "start" "-a" "ef374bbf610bdb87cf00491985eef99025e1d5589a5383fbeaf20e5908dcc38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef374bbf610bdb87cf00491985eef99025e1d5589a5383fbeaf20e5908dcc38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef374bbf610bdb87cf00491985eef99025e1d5589a5383fbeaf20e5908dcc38a", kill_on_drop: false }`
[INFO] [stdout] ef374bbf610bdb87cf00491985eef99025e1d5589a5383fbeaf20e5908dcc38a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d62b4a22834ad1c8981c78f92815b7c1e041b847597db85375b7dc240fd8a718
[INFO] running `Command { std: "docker" "start" "-a" "d62b4a22834ad1c8981c78f92815b7c1e041b847597db85375b7dc240fd8a718", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[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 bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term_size v0.3.2
[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 19.73s
[INFO] running `Command { std: "docker" "inspect" "d62b4a22834ad1c8981c78f92815b7c1e041b847597db85375b7dc240fd8a718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62b4a22834ad1c8981c78f92815b7c1e041b847597db85375b7dc240fd8a718", kill_on_drop: false }`
[INFO] [stdout] d62b4a22834ad1c8981c78f92815b7c1e041b847597db85375b7dc240fd8a718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22a3b902450282eb10017cda18293f19ed9338bd592926f61a4123b8fc8bd5cb
[INFO] running `Command { std: "docker" "start" "-a" "22a3b902450282eb10017cda18293f19ed9338bd592926f61a4123b8fc8bd5cb", kill_on_drop: false }`
[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 0.31s
[INFO] running `Command { std: "docker" "inspect" "22a3b902450282eb10017cda18293f19ed9338bd592926f61a4123b8fc8bd5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a3b902450282eb10017cda18293f19ed9338bd592926f61a4123b8fc8bd5cb", kill_on_drop: false }`
[INFO] [stdout] 22a3b902450282eb10017cda18293f19ed9338bd592926f61a4123b8fc8bd5cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 318333f31af1922d929dbd7d4ab3aca0ee94ed0cc6a4e0c2b6b4f44aa874a3a9
[INFO] running `Command { std: "docker" "start" "-a" "318333f31af1922d929dbd7d4ab3aca0ee94ed0cc6a4e0c2b6b4f44aa874a3a9", kill_on_drop: false }`
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/circular_buffer-12ca43d15665a5f5)
[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" "318333f31af1922d929dbd7d4ab3aca0ee94ed0cc6a4e0c2b6b4f44aa874a3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318333f31af1922d929dbd7d4ab3aca0ee94ed0cc6a4e0c2b6b4f44aa874a3a9", kill_on_drop: false }`
[INFO] [stdout] 318333f31af1922d929dbd7d4ab3aca0ee94ed0cc6a4e0c2b6b4f44aa874a3a9