[INFO] cloning repository https://github.com/caibirdme/kvstore [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caibirdme/kvstore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaibirdme%2Fkvstore", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaibirdme%2Fkvstore'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f365ad42529a930278b581b9e7db1e76efc9ca7c [INFO] checking caibirdme/kvstore against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaibirdme%2Fkvstore" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/caibirdme/kvstore on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/caibirdme/kvstore [INFO] finished tweaking git repo https://github.com/caibirdme/kvstore [INFO] tweaked toml for git repo https://github.com/caibirdme/kvstore written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/caibirdme/kvstore already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ddf2ff252b94199fa356fd146b2d892ece6c0735f4f55a63040eef3160ef45a6 [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" "ddf2ff252b94199fa356fd146b2d892ece6c0735f4f55a63040eef3160ef45a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ddf2ff252b94199fa356fd146b2d892ece6c0735f4f55a63040eef3160ef45a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddf2ff252b94199fa356fd146b2d892ece6c0735f4f55a63040eef3160ef45a6", kill_on_drop: false }` [INFO] [stdout] ddf2ff252b94199fa356fd146b2d892ece6c0735f4f55a63040eef3160ef45a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--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] 71c8cadca1280c05cf1654426bea15de7e8ecaef3adb58adb86d15f0fa7145db [INFO] running `Command { std: "docker" "start" "-a" "71c8cadca1280c05cf1654426bea15de7e8ecaef3adb58adb86d15f0fa7145db", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Checking float-cmp v0.6.0 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking predicates v1.0.4 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Checking failure v0.1.7 [INFO] [stderr] Checking serde v1.0.105 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let mut writer = Self::new_log_file(last_id, file_path.as_path(), &mut readers)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | let mut writer = Self::new_log_file(fid, path.as_path(), &mut readers)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:21 [INFO] [stdout] | [INFO] [stdout] 137 | let mut t = r.take(len); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | let mut writer = Self::new_log_file(2, self.file_path.as_path(), &mut self.readers)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:223:13 [INFO] [stdout] | [INFO] [stdout] 223 | let mut fd = OpenOptions::new() [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:225:13 [INFO] [stdout] | [INFO] [stdout] 225 | let mut writer = BufWriter::new(fd); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:226:13 [INFO] [stdout] | [INFO] [stdout] 226 | let mut r = OpenOptions::new().read(true).open(p)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `kvs::err::KvError::KeyNotFound` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use kvs::err::KvError::KeyNotFound; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut cfg = App::from_yaml(yaml).version(env!("CARGO_PKG_VERSION")); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> tests/tests.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `kvs::err::KvError::KeyNotFound` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use kvs::err::KvError::KeyNotFound; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut cfg = App::from_yaml(yaml).version(env!("CARGO_PKG_VERSION")); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let mut writer = Self::new_log_file(last_id, file_path.as_path(), &mut readers)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | let mut writer = Self::new_log_file(fid, path.as_path(), &mut readers)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:21 [INFO] [stdout] | [INFO] [stdout] 137 | let mut t = r.take(len); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | let mut writer = Self::new_log_file(2, self.file_path.as_path(), &mut self.readers)?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:223:13 [INFO] [stdout] | [INFO] [stdout] 223 | let mut fd = OpenOptions::new() [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:225:13 [INFO] [stdout] | [INFO] [stdout] 225 | let mut writer = BufWriter::new(fd); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:226:13 [INFO] [stdout] | [INFO] [stdout] 226 | let mut r = OpenOptions::new().read(true).open(p)?; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.82s [INFO] running `Command { std: "docker" "inspect" "71c8cadca1280c05cf1654426bea15de7e8ecaef3adb58adb86d15f0fa7145db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71c8cadca1280c05cf1654426bea15de7e8ecaef3adb58adb86d15f0fa7145db", kill_on_drop: false }` [INFO] [stdout] 71c8cadca1280c05cf1654426bea15de7e8ecaef3adb58adb86d15f0fa7145db