[INFO] cloning repository https://github.com/Wellers0n/rust-simple-io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wellers0n/rust-simple-io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWellers0n%2Frust-simple-io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWellers0n%2Frust-simple-io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 730ba3ae6a074de5ee1fd76a934edbc8f4465d92
[INFO] testing Wellers0n/rust-simple-io against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWellers0n%2Frust-simple-io" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wellers0n/rust-simple-io on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wellers0n/rust-simple-io
[INFO] finished tweaking git repo https://github.com/Wellers0n/rust-simple-io
[INFO] tweaked toml for git repo https://github.com/Wellers0n/rust-simple-io written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Wellers0n/rust-simple-io already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 6c69e2be375bb96d78efc38a23bb8fbb10adf972f5433d720299ffcedee82ed0
[INFO] running `Command { std: "docker" "start" "-a" "6c69e2be375bb96d78efc38a23bb8fbb10adf972f5433d720299ffcedee82ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c69e2be375bb96d78efc38a23bb8fbb10adf972f5433d720299ffcedee82ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c69e2be375bb96d78efc38a23bb8fbb10adf972f5433d720299ffcedee82ed0", kill_on_drop: false }`
[INFO] [stdout] 6c69e2be375bb96d78efc38a23bb8fbb10adf972f5433d720299ffcedee82ed0
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] bcc0ee30ad56ae82b0acea165f0ddf0605456346d6e33b3de68742c1ee38de6c
[INFO] running `Command { std: "docker" "start" "-a" "bcc0ee30ad56ae82b0acea165f0ddf0605456346d6e33b3de68742c1ee38de6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling kvstore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `read`
[INFO] [stdout]  --> src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fs::{read, read_to_string, write},
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "bcc0ee30ad56ae82b0acea165f0ddf0605456346d6e33b3de68742c1ee38de6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc0ee30ad56ae82b0acea165f0ddf0605456346d6e33b3de68742c1ee38de6c", kill_on_drop: false }`
[INFO] [stdout] bcc0ee30ad56ae82b0acea165f0ddf0605456346d6e33b3de68742c1ee38de6c
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] 2faeaa10f70a1cd97060a26ca9f2d943d4ff42195ab2cec4d6a42628b4ea9d5b
[INFO] running `Command { std: "docker" "start" "-a" "2faeaa10f70a1cd97060a26ca9f2d943d4ff42195ab2cec4d6a42628b4ea9d5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling kvstore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `read`
[INFO] [stdout]  --> src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fs::{read, read_to_string, write},
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "2faeaa10f70a1cd97060a26ca9f2d943d4ff42195ab2cec4d6a42628b4ea9d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2faeaa10f70a1cd97060a26ca9f2d943d4ff42195ab2cec4d6a42628b4ea9d5b", kill_on_drop: false }`
[INFO] [stdout] 2faeaa10f70a1cd97060a26ca9f2d943d4ff42195ab2cec4d6a42628b4ea9d5b
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 1146bc9031b4b3bfd141cf4f15991ceda9018350f7bee7719bf09c8b701c59ff
[INFO] running `Command { std: "docker" "start" "-a" "1146bc9031b4b3bfd141cf4f15991ceda9018350f7bee7719bf09c8b701c59ff", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `read`
[INFO] [stderr]  --> src/main.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fs::{read, read_to_string, write},
[INFO] [stderr]   |          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kvstore` (bin "kvstore" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kvstore-a3d36c0a518403d0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1146bc9031b4b3bfd141cf4f15991ceda9018350f7bee7719bf09c8b701c59ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1146bc9031b4b3bfd141cf4f15991ceda9018350f7bee7719bf09c8b701c59ff", kill_on_drop: false }`
[INFO] [stdout] 1146bc9031b4b3bfd141cf4f15991ceda9018350f7bee7719bf09c8b701c59ff