[INFO] cloning repository https://github.com/weixinZhang12/rust_practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weixinZhang12/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FweixinZhang12%2Frust_practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FweixinZhang12%2Frust_practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b3032edbd680222a6155c1fd5a1ab12fa4376bd1 [INFO] building weixinZhang12/rust_practice against try#334963c956d25708feab489a3816ae63f639355d for pr-135216 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FweixinZhang12%2Frust_practice" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/weixinZhang12/rust_practice on toolchain 334963c956d25708feab489a3816ae63f639355d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/weixinZhang12/rust_practice [INFO] finished tweaking git repo https://github.com/weixinZhang12/rust_practice [INFO] tweaked toml for git repo https://github.com/weixinZhang12/rust_practice written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/weixinZhang12/rust_practice 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" "+334963c956d25708feab489a3816ae63f639355d" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff54e0affde3b046f167e936f27e4db853835ffe91145186136e3a03e2d4640d [INFO] running `Command { std: "docker" "start" "-a" "ff54e0affde3b046f167e936f27e4db853835ffe91145186136e3a03e2d4640d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff54e0affde3b046f167e936f27e4db853835ffe91145186136e3a03e2d4640d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff54e0affde3b046f167e936f27e4db853835ffe91145186136e3a03e2d4640d", kill_on_drop: false }` [INFO] [stdout] ff54e0affde3b046f167e936f27e4db853835ffe91145186136e3a03e2d4640d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e7561e5be310a8209280d97192b23fe586c377c5fd40d1555ae4d9bb4fb0097 [INFO] running `Command { std: "docker" "start" "-a" "5e7561e5be310a8209280d97192b23fe586c377c5fd40d1555ae4d9bb4fb0097", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling colored v2.1.0 [INFO] [stderr] Compiling rust_practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `l20`, `l26`, `l441`, and `l70` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use leetcode::{l20, l26, l268, l441, l70}; [INFO] [stdout] | ^^^ ^^^ ^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> src/leetcode/l283.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> src/leetcode/l14.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let length=strs.len(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `temp` is never read [INFO] [stdout] --> src/leetcode/l283.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut temp = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `length` is never read [INFO] [stdout] --> src/leetcode/l7.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | let mut length: usize = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/leetcode/l69.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn my_sqrt(x: i32) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/l67.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut s = v.iter().map(|n| n.to_string()).collect(); [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: unused variable: `shang` [INFO] [stdout] --> src/leetcode/l168.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut shang = -1; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shang` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `yushu` is never read [INFO] [stdout] --> src/leetcode/l168.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut yushu = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/l168.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut shang = -1; [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/leetcode/l168.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut c:String=yushu_arr.iter().map(|&n|(n as u8 +b'A'-1) as char).collect(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mid` is never read [INFO] [stdout] --> src/leetcode/l35.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut mid: usize = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/leetcode/l118.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | for i in 0..num_rows { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/leetcode/l217.rs:9:18 [INFO] [stdout] | [INFO] [stdout] 9 | Some(v) => return true, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let mut array = vec![0,1]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_practice` (bin "rust_practice"); 15 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/bin/rustc --crate-name rust_practice --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=e5d36fe05cf368b8 -C extra-filename=-1aa0563e0dbb1531 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern colored=/opt/rustwide/target/debug/deps/libcolored-997143541f0303b2.rlib --cap-lints=forbid` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "5e7561e5be310a8209280d97192b23fe586c377c5fd40d1555ae4d9bb4fb0097", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e7561e5be310a8209280d97192b23fe586c377c5fd40d1555ae4d9bb4fb0097", kill_on_drop: false }` [INFO] [stdout] 5e7561e5be310a8209280d97192b23fe586c377c5fd40d1555ae4d9bb4fb0097