[INFO] cloning repository https://github.com/oussama/leek-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oussama/leek-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foussama%2Fleek-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foussama%2Fleek-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a39ea3da3a2b5a1ae89f5bbbf61f08432fffe4c
[INFO] checking oussama/leek-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foussama%2Fleek-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oussama/leek-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oussama/leek-rs
[INFO] finished tweaking git repo https://github.com/oussama/leek-rs
[INFO] tweaked toml for git repo https://github.com/oussama/leek-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oussama/leek-rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode v1.0.0
[INFO] [stderr]   Downloaded syn v0.12.13
[INFO] [stderr]   Downloaded serde v1.0.28
[INFO] [stderr]   Downloaded serde_derive v1.0.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 733b14f729178a9c26a4fb6676ac900f3a648a5f482eafcde15bc3e9503ccbfe
[INFO] running `Command { std: "docker" "start" "-a" "733b14f729178a9c26a4fb6676ac900f3a648a5f482eafcde15bc3e9503ccbfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "733b14f729178a9c26a4fb6676ac900f3a648a5f482eafcde15bc3e9503ccbfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733b14f729178a9c26a4fb6676ac900f3a648a5f482eafcde15bc3e9503ccbfe", kill_on_drop: false }`
[INFO] [stdout] 733b14f729178a9c26a4fb6676ac900f3a648a5f482eafcde15bc3e9503ccbfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17d6847c5680fec9e99936704b8da5e59536bee0aeed2e20484b21a97e2fa85f
[INFO] running `Command { std: "docker" "start" "-a" "17d6847c5680fec9e99936704b8da5e59536bee0aeed2e20484b21a97e2fa85f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking serde v1.0.28
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.13
[INFO] [stderr]    Compiling serde_derive_internals v0.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.28
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stderr]     Checking leek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]   --> src/lib.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::io::{BufReader, BufWriter, Seek, SeekFrom};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/lib.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 77 |             while (read) {
[INFO] [stdout]    |                   ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -             while (read) {
[INFO] [stdout] 77 +             while read {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]   --> src/lib.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::io::{BufReader, BufWriter, Seek, SeekFrom};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/lib.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 77 |             while (read) {
[INFO] [stdout]    |                   ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -             while (read) {
[INFO] [stdout] 77 +             while read {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/lib.rs:176:15
[INFO] [stdout]     |
[INFO] [stdout] 176 |         while (i < 10000) {
[INFO] [stdout]     |               ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 -         while (i < 10000) {
[INFO] [stdout] 176 +         while i < 10000 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/lib.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |     thread::sleep_ms(100000);
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/lib.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut file = if let Ok(mut file) = File::open(&file_path) {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut file = if let Ok(mut file) = File::open(&file_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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/lib.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut file = if let Ok(mut file) = File::open(&file_path) {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut file = if let Ok(mut file) = File::open(&file_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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.13
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "17d6847c5680fec9e99936704b8da5e59536bee0aeed2e20484b21a97e2fa85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d6847c5680fec9e99936704b8da5e59536bee0aeed2e20484b21a97e2fa85f", kill_on_drop: false }`
[INFO] [stdout] 17d6847c5680fec9e99936704b8da5e59536bee0aeed2e20484b21a97e2fa85f