[INFO] cloning repository https://github.com/quangtung97-study/20191-dss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quangtung97-study/20191-dss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangtung97-study%2F20191-dss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangtung97-study%2F20191-dss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89b8dc0c1b77c40b6a03432923ef5aa1ea08af46
[INFO] checking quangtung97-study/20191-dss against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangtung97-study%2F20191-dss" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quangtung97-study/20191-dss on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quangtung97-study/20191-dss
[INFO] finished tweaking git repo https://github.com/quangtung97-study/20191-dss
[INFO] tweaked toml for git repo https://github.com/quangtung97-study/20191-dss written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/quangtung97-study/20191-dss already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8a99e23ce00a5f2db7fafbe61babf6de6d6cbb025cb821671bb9d2a36a9e18c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f8a99e23ce00a5f2db7fafbe61babf6de6d6cbb025cb821671bb9d2a36a9e18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8a99e23ce00a5f2db7fafbe61babf6de6d6cbb025cb821671bb9d2a36a9e18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a99e23ce00a5f2db7fafbe61babf6de6d6cbb025cb821671bb9d2a36a9e18c", kill_on_drop: false }`
[INFO] [stdout] f8a99e23ce00a5f2db7fafbe61babf6de6d6cbb025cb821671bb9d2a36a9e18c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33806cf35aec93a0688cdf6c6d08f03c13b9e8a21d3c12702e527788f68cf5b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "33806cf35aec93a0688cdf6c6d08f03c13b9e8a21d3c12702e527788f68cf5b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking dss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::algorithm::show_segments`
[INFO] [stdout]  --> src/fuzzy.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::algorithm::show_segments;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algorithm::show_segments`
[INFO] [stdout]  --> src/fuzzy.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::algorithm::show_segments;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "33806cf35aec93a0688cdf6c6d08f03c13b9e8a21d3c12702e527788f68cf5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33806cf35aec93a0688cdf6c6d08f03c13b9e8a21d3c12702e527788f68cf5b7", kill_on_drop: false }`
[INFO] [stdout] 33806cf35aec93a0688cdf6c6d08f03c13b9e8a21d3c12702e527788f68cf5b7