[INFO] updating cached repository https://github.com/TimSimmons/colomy [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0f59989fd3fb7a586e016c0ddffba0ff56369a3b [INFO] checking TimSimmons/colomy against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimSimmons%2Fcolomy" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TimSimmons/colomy on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/TimSimmons/colomy [INFO] finished tweaking git repo https://github.com/TimSimmons/colomy [INFO] tweaked toml for git repo https://github.com/TimSimmons/colomy written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/TimSimmons/colomy already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8e95e20ea761148d563869e11e9dc463851642c1df248f4aea91db7ccf4c5a1e [INFO] running `"docker" "start" "-a" "8e95e20ea761148d563869e11e9dc463851642c1df248f4aea91db7ccf4c5a1e"` [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking colomy v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::io::BufRead` [INFO] [stderr] --> src/index.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::BufRead; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bytes_read` [INFO] [stderr] --> src/index.rs:150:13 [INFO] [stderr] | [INFO] [stderr] 150 | let bytes_read = r.read_line(&mut s); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/index.rs:79:13 [INFO] [stderr] | [INFO] [stderr] 79 | let mut f = OpenOptions::new().read(true).open(&self.column_name)?; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/index.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut reader = BufReader::new(f); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Str` [INFO] [stderr] --> src/index.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Str, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Number` [INFO] [stderr] --> src/index.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Number, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Bool` [INFO] [stderr] --> src/index.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | Bool, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `INDEX_FILE_PATH` [INFO] [stderr] --> src/index.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | const INDEX_FILE_PATH: &str = "./"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/index.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | / pub fn new( [INFO] [stderr] 39 | | field_name: &str, [INFO] [stderr] 40 | | content_type: ColumnType, [INFO] [stderr] 41 | | first_value: Value, [INFO] [stderr] ... | [INFO] [stderr] 55 | | Ok(i) [INFO] [stderr] 56 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `open_index_file` [INFO] [stderr] --> src/index.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | pub fn open_index_file(column_name: &String) -> std::io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `write` [INFO] [stderr] --> src/index.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn write(&mut self, id: i32, value: Value) -> Result<(), IndexError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_reader` [INFO] [stderr] --> src/index.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn get_reader(&mut self) -> Result, IndexError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/index.rs:79:13 [INFO] [stderr] | [INFO] [stderr] 79 | let mut f = OpenOptions::new().read(true).open(&self.column_name)?; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/index.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut reader = BufReader::new(f); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `INDEX_FILE_PATH` [INFO] [stderr] --> src/index.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | const INDEX_FILE_PATH: &str = "./"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.78s [INFO] running `"docker" "inspect" "8e95e20ea761148d563869e11e9dc463851642c1df248f4aea91db7ccf4c5a1e"` [INFO] running `"docker" "rm" "-f" "8e95e20ea761148d563869e11e9dc463851642c1df248f4aea91db7ccf4c5a1e"` [INFO] [stdout] 8e95e20ea761148d563869e11e9dc463851642c1df248f4aea91db7ccf4c5a1e