[INFO] cloning repository https://github.com/TimSimmons/colomy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimSimmons/colomy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimSimmons%2Fcolomy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimSimmons%2Fcolomy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f59989fd3fb7a586e016c0ddffba0ff56369a3b
[INFO] checking TimSimmons/colomy against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimSimmons%2Fcolomy" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TimSimmons/colomy on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] crate git repo https://github.com/TimSimmons/colomy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", 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] d215269fd413d59f50551e9d289dc7bda9dce89621bc0b90e18de2a58ae7f664
[INFO] running `Command { std: "docker" "start" "-a" "d215269fd413d59f50551e9d289dc7bda9dce89621bc0b90e18de2a58ae7f664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d215269fd413d59f50551e9d289dc7bda9dce89621bc0b90e18de2a58ae7f664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d215269fd413d59f50551e9d289dc7bda9dce89621bc0b90e18de2a58ae7f664", kill_on_drop: false }`
[INFO] [stdout] d215269fd413d59f50551e9d289dc7bda9dce89621bc0b90e18de2a58ae7f664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 09152ae9319e9b8fb4e2b51cecef864e44880ec8c1946705be9b18f4448380f9
[INFO] running `Command { std: "docker" "start" "-a" "09152ae9319e9b8fb4e2b51cecef864e44880ec8c1946705be9b18f4448380f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking colomy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::BufRead;
[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/index.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut f = OpenOptions::new().read(true).open(&self.column_name)?;
[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/index.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut reader = BufReader::new(f);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> src/index.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/index.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Number,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/index.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INDEX_FILE_PATH`
[INFO] [stdout]   --> src/index.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const INDEX_FILE_PATH: &str = "./";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/index.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_index_file`
[INFO] [stdout]   --> src/index.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn open_index_file(column_name: &String) -> std::io::Result<File> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/index.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn write(&mut self, id: i32, value: Value) -> Result<(), IndexError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_reader`
[INFO] [stdout]   --> src/index.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn get_reader(&mut self) -> Result<BufReader<File>, IndexError> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]    --> src/index.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let bytes_read = r.read_line(&mut s);
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/index.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut f = OpenOptions::new().read(true).open(&self.column_name)?;
[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/index.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut reader = BufReader::new(f);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INDEX_FILE_PATH`
[INFO] [stdout]   --> src/index.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const INDEX_FILE_PATH: &str = "./";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.46s
[INFO] running `Command { std: "docker" "inspect" "09152ae9319e9b8fb4e2b51cecef864e44880ec8c1946705be9b18f4448380f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09152ae9319e9b8fb4e2b51cecef864e44880ec8c1946705be9b18f4448380f9", kill_on_drop: false }`
[INFO] [stdout] 09152ae9319e9b8fb4e2b51cecef864e44880ec8c1946705be9b18f4448380f9
