[INFO] cloning repository https://github.com/ShaneM123/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShaneM123/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaneM123%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaneM123%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] af6bc0de399c8a2bf309f95d7f75eb9205850d87 [INFO] checking ShaneM123/kvs against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaneM123%2Fkvs" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ShaneM123/kvs on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ShaneM123/kvs [INFO] finished tweaking git repo https://github.com/ShaneM123/kvs [INFO] tweaked toml for git repo https://github.com/ShaneM123/kvs written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/ShaneM123/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb1cb8b4e9e38e7f0f6fd728df92f85e4cd1b06ae43418df5c6354c5a7317bb0 [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" "bb1cb8b4e9e38e7f0f6fd728df92f85e4cd1b06ae43418df5c6354c5a7317bb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb1cb8b4e9e38e7f0f6fd728df92f85e4cd1b06ae43418df5c6354c5a7317bb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb1cb8b4e9e38e7f0f6fd728df92f85e4cd1b06ae43418df5c6354c5a7317bb0", kill_on_drop: false }` [INFO] [stdout] bb1cb8b4e9e38e7f0f6fd728df92f85e4cd1b06ae43418df5c6354c5a7317bb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 23df54809ef19c5d2f3f7a0b41af42eb6f6d929169124d95c19b5483d1e0bbbb [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" "23df54809ef19c5d2f3f7a0b41af42eb6f6d929169124d95c19b5483d1e0bbbb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking predicates-core v1.0.1 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking thread_local v1.1.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking predicates-tree v1.0.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking predicates v1.0.6 [INFO] [stderr] Checking assert_cmd v1.0.2 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::Formatter` [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::Formatter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `OpenOptions` [INFO] [stdout] --> src/lib.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs::{OpenOptions, File}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `join_paths`, `set_current_dir` [INFO] [stdout] --> src/lib.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env::{set_current_dir, join_paths}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Formatter` [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::Formatter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `OpenOptions` [INFO] [stdout] --> src/lib.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs::{OpenOptions, File}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `join_paths`, `set_current_dir` [INFO] [stdout] --> src/lib.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env::{set_current_dir, join_paths}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `db_file` [INFO] [stdout] --> src/lib.rs:106:19 [INFO] [stdout] | [INFO] [stdout] 106 | let db_file = fs::File::create(the_path.clone()).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `db_file` [INFO] [stdout] --> src/lib.rs:111:14 [INFO] [stdout] | [INFO] [stdout] 111 | let db_file = fs::File::create(the_path.clone()).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `db_file` [INFO] [stdout] --> src/lib.rs:106:19 [INFO] [stdout] | [INFO] [stdout] 106 | let db_file = fs::File::create(the_path.clone()).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `db_file` [INFO] [stdout] --> src/lib.rs:111:14 [INFO] [stdout] | [INFO] [stdout] 111 | let db_file = fs::File::create(the_path.clone()).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | fs::create_dir_all(&path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:128:9 [INFO] [stdout] | [INFO] [stdout] 128 | file.write(formatted.as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | fs::create_dir_all(&path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:128:9 [INFO] [stdout] | [INFO] [stdout] 128 | file.write(formatted.as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AppSettings`, `ArgMatches`, `Arg`, `SubCommand` [INFO] [stdout] --> src/bin/kvs.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{load_yaml, App, AppSettings, Arg, SubCommand, ArgMatches}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^ ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/bin/kvs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::panicking` [INFO] [stdout] --> src/bin/kvs.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread::panicking; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> src/bin/kvs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AppSettings`, `ArgMatches`, `Arg`, `SubCommand` [INFO] [stdout] --> src/bin/kvs.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{load_yaml, App, AppSettings, Arg, SubCommand, ArgMatches}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^ ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/bin/kvs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::panicking` [INFO] [stdout] --> src/bin/kvs.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread::panicking; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> src/bin/kvs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | let key = matches.value_of("KEY").expect("KEY argument missing"); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/bin/kvs.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | let value = matches.value_of("VALUE").expect("VALUE argument missing"); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | let key = matches.value_of("KEY").expect("KEY argument missing"); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/bin/kvs.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | let value = matches.value_of("VALUE").expect("VALUE argument missing"); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [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] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 194 | let mut store = KvStore::open(temp_dir.path())?; [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] --> tests/tests.rs:233:9 [INFO] [stdout] | [INFO] [stdout] 233 | let mut store = KvStore::open(temp_dir.path())?; [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] --> tests/tests.rs:292:13 [INFO] [stdout] | [INFO] [stdout] 292 | let mut store = KvStore::open(temp_dir.path())?; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 56.36s [INFO] running `Command { std: "docker" "inspect" "23df54809ef19c5d2f3f7a0b41af42eb6f6d929169124d95c19b5483d1e0bbbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23df54809ef19c5d2f3f7a0b41af42eb6f6d929169124d95c19b5483d1e0bbbb", kill_on_drop: false }` [INFO] [stdout] 23df54809ef19c5d2f3f7a0b41af42eb6f6d929169124d95c19b5483d1e0bbbb