[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] checking pk1890/io_uring_like_circular_buffer against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpk1890%2Fio_uring_like_circular_buffer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [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-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pk1890/io_uring_like_circular_buffer on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7f29d20562961ed6614b60cd04225c4a4992ca8767468607e5f239bd5579c4e [INFO] running `Command { std: "docker" "start" "-a" "b7f29d20562961ed6614b60cd04225c4a4992ca8767468607e5f239bd5579c4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7f29d20562961ed6614b60cd04225c4a4992ca8767468607e5f239bd5579c4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7f29d20562961ed6614b60cd04225c4a4992ca8767468607e5f239bd5579c4e", kill_on_drop: false }` [INFO] [stdout] b7f29d20562961ed6614b60cd04225c4a4992ca8767468607e5f239bd5579c4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d663f40ecff2499819b7ad23712bc90eaeb28fb448aaeefa639abf7ea96a8ed [INFO] running `Command { std: "docker" "start" "-a" "8d663f40ecff2499819b7ad23712bc90eaeb28fb448aaeefa639abf7ea96a8ed", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling syn v1.0.45 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking xml-rs v0.8.3 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking bytesize v1.0.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking serde-xml-rs v0.3.1 [INFO] [stderr] Checking cargo-valgrind v1.3.0 [INFO] [stderr] Checking 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)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:143:20 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn reserve(&self, size: usize) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 143 | pub fn reserve(&self, size: usize) -> Result, BufferAddValueError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:231:22 [INFO] [stdout] | [INFO] [stdout] 231 | pub fn get_value(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 231 | pub fn get_value(&self) -> Result, BufferGetValueError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.05s [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)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:143:20 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn reserve(&self, size: usize) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 143 | pub fn reserve(&self, size: usize) -> Result, BufferAddValueError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:231:22 [INFO] [stdout] | [INFO] [stdout] 231 | pub fn get_value(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 231 | pub fn get_value(&self) -> Result, BufferGetValueError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8d663f40ecff2499819b7ad23712bc90eaeb28fb448aaeefa639abf7ea96a8ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d663f40ecff2499819b7ad23712bc90eaeb28fb448aaeefa639abf7ea96a8ed", kill_on_drop: false }` [INFO] [stdout] 8d663f40ecff2499819b7ad23712bc90eaeb28fb448aaeefa639abf7ea96a8ed