[INFO] updating cached repository https://github.com/MoonL1ght/RustBoost
[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] 1cba832b5f0a305bd5c4243409e0fa60e2cad037
[INFO] checking MoonL1ght/RustBoost against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoonL1ght%2FRustBoost" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MoonL1ght/RustBoost on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MoonL1ght/RustBoost
[INFO] finished tweaking git repo https://github.com/MoonL1ght/RustBoost
[INFO] tweaked toml for git repo https://github.com/MoonL1ght/RustBoost written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/MoonL1ght/RustBoost already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8b36184b7113e2b3ebafd8800f50325c4cb895c12aea9970884086ffe99c2a40
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8b36184b7113e2b3ebafd8800f50325c4cb895c12aea9970884086ffe99c2a40"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking rustboost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/rustboost.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/rustboost.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/dataset/mod.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |             path, error.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/dataset/mod.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |             path, error.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.15s
[INFO] running `"docker" "inspect" "8b36184b7113e2b3ebafd8800f50325c4cb895c12aea9970884086ffe99c2a40"`
[INFO] running `"docker" "rm" "-f" "8b36184b7113e2b3ebafd8800f50325c4cb895c12aea9970884086ffe99c2a40"`
[INFO] [stdout] 8b36184b7113e2b3ebafd8800f50325c4cb895c12aea9970884086ffe99c2a40