[INFO] cloning repository https://github.com/styladev/lfu-fast [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/styladev/lfu-fast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstyladev%2Flfu-fast", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstyladev%2Flfu-fast'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3a7191c8754ed065c273601fb60ab5f3b2d1b2b4 [INFO] checking styladev/lfu-fast against master#d97bb195bf7b84815622b235cb51171c1b8f7e51 for pr-117905 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstyladev%2Flfu-fast" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/styladev/lfu-fast on toolchain d97bb195bf7b84815622b235cb51171c1b8f7e51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/styladev/lfu-fast [INFO] finished tweaking git repo https://github.com/styladev/lfu-fast [INFO] tweaked toml for git repo https://github.com/styladev/lfu-fast written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/styladev/lfu-fast 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" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking styladev/lfu-fast against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstyladev%2Flfu-fast" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/styladev/lfu-fast on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/styladev/lfu-fast [INFO] finished tweaking git repo https://github.com/styladev/lfu-fast [INFO] tweaked toml for git repo https://github.com/styladev/lfu-fast written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/styladev/lfu-fast 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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking styladev/lfu-fast against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstyladev%2Flfu-fast" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/styladev/lfu-fast on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/styladev/lfu-fast [INFO] finished tweaking git repo https://github.com/styladev/lfu-fast [INFO] tweaked toml for git repo https://github.com/styladev/lfu-fast written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/styladev/lfu-fast 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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bumpalo v3.2.0 [INFO] [stderr] Downloaded ahash v0.7.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1066c803b6dbec1745570b717e9e7d951a1679600ceb775cbed20342770f4a11 [INFO] running `Command { std: "docker" "start" "-a" "1066c803b6dbec1745570b717e9e7d951a1679600ceb775cbed20342770f4a11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1066c803b6dbec1745570b717e9e7d951a1679600ceb775cbed20342770f4a11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1066c803b6dbec1745570b717e9e7d951a1679600ceb775cbed20342770f4a11", kill_on_drop: false }` [INFO] [stdout] 1066c803b6dbec1745570b717e9e7d951a1679600ceb775cbed20342770f4a11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3333ed445bf19837e15d45a07af709b8e715fd537cafebf0066ffd13b130bf9c [INFO] running `Command { std: "docker" "start" "-a" "3333ed445bf19837e15d45a07af709b8e715fd537cafebf0066ffd13b130bf9c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.74 [INFO] [stderr] Compiling bumpalo v3.2.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling wee_alloc v0.4.5 [INFO] [stderr] Compiling wasm-bindgen v0.2.74 [INFO] [stderr] Checking memory_units v0.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.74 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.74 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.74 [INFO] [stderr] Checking lfu v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:2:29 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(core_intrinsics, lang_items)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::iter::repeat` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use core::iter::repeat; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:2:29 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(core_intrinsics, lang_items)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::iter::repeat` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use core::iter::repeat; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `heap`, `indices`, `max_size`, and `num_items` are never read [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | struct LfuInner { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 22 | heap: Vec<(T, usize)>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 23 | indices: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 24 | [INFO] [stdout] 25 | max_size: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 26 | num_items: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `clear`, `refer`, `insert`, `increment`, and `heapify` are never used [INFO] [stdout] --> src/lib.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl LfuInner { [INFO] [stdout] | -------------------------------------------- associated items in this implementation [INFO] [stdout] 30 | fn new(capacity: usize) -> LfuInner { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn refer(&mut self, val: T) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn insert(&mut self, val: &T) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | fn increment(&mut self, index: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 154 | fn heapify(&mut self, index: usize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `lfu` is never read [INFO] [stdout] --> src/lib.rs:206:5 [INFO] [stdout] | [INFO] [stdout] 205 | struct Lfu { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 206 | lfu: LfuInner, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `clear`, and `refer` are never used [INFO] [stdout] --> src/lib.rs:212:12 [INFO] [stdout] | [INFO] [stdout] 210 | impl Lfu { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 211 | #[wasm_bindgen(constructor)] [INFO] [stdout] 212 | pub fn new(capacity: u32) -> Lfu { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 218 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | pub fn refer(&mut self, val: String) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `heap`, `indices`, `max_size`, and `num_items` are never read [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | struct LfuInner { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 22 | heap: Vec<(T, usize)>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 23 | indices: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 24 | [INFO] [stdout] 25 | max_size: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 26 | num_items: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `clear`, `refer`, `insert`, `increment`, and `heapify` are never used [INFO] [stdout] --> src/lib.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl LfuInner { [INFO] [stdout] | -------------------------------------------- associated items in this implementation [INFO] [stdout] 30 | fn new(capacity: usize) -> LfuInner { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn refer(&mut self, val: T) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn insert(&mut self, val: &T) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | fn increment(&mut self, index: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 154 | fn heapify(&mut self, index: usize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `lfu` is never read [INFO] [stdout] --> src/lib.rs:206:5 [INFO] [stdout] | [INFO] [stdout] 205 | struct Lfu { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 206 | lfu: LfuInner, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `clear`, and `refer` are never used [INFO] [stdout] --> src/lib.rs:212:12 [INFO] [stdout] | [INFO] [stdout] 210 | impl Lfu { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 211 | #[wasm_bindgen(constructor)] [INFO] [stdout] 212 | pub fn new(capacity: u32) -> Lfu { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 218 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | pub fn refer(&mut self, val: String) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.19s [INFO] running `Command { std: "docker" "inspect" "3333ed445bf19837e15d45a07af709b8e715fd537cafebf0066ffd13b130bf9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3333ed445bf19837e15d45a07af709b8e715fd537cafebf0066ffd13b130bf9c", kill_on_drop: false }` [INFO] [stdout] 3333ed445bf19837e15d45a07af709b8e715fd537cafebf0066ffd13b130bf9c