[INFO] fetching crate simpleio 0.1.1...
[INFO] checking simpleio-0.1.1 against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] extracting crate simpleio 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate simpleio 0.1.1 on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simpleio 0.1.1
[INFO] finished tweaking crates.io crate simpleio 0.1.1
[INFO] tweaked toml for crates.io crate simpleio 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ebc1d08626c288d75e361161b4a638cfa416ee1ad2524cf1d9ddc350824f2eb
[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" "0ebc1d08626c288d75e361161b4a638cfa416ee1ad2524cf1d9ddc350824f2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ebc1d08626c288d75e361161b4a638cfa416ee1ad2524cf1d9ddc350824f2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ebc1d08626c288d75e361161b4a638cfa416ee1ad2524cf1d9ddc350824f2eb", kill_on_drop: false }`
[INFO] [stdout] 0ebc1d08626c288d75e361161b4a638cfa416ee1ad2524cf1d9ddc350824f2eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1abb5f349d668be7dbb6f6f438d50f6779f120a36064825bba839fed31f598ef
[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" "1abb5f349d668be7dbb6f6f438d50f6779f120a36064825bba839fed31f598ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking simpleio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `test_get_home_string`
[INFO] [stdout]  --> src/bin.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn test_get_home_string(){
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_get_home`
[INFO] [stdout]   --> src/bin.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn test_get_home(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_file_exist`
[INFO] [stdout]   --> src/bin.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn test_file_exist(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_create_dir`
[INFO] [stdout]   --> src/bin.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn test_create_dir(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_get_home_string`
[INFO] [stdout]  --> src/bin.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn test_get_home_string(){
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_get_home`
[INFO] [stdout]   --> src/bin.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn test_get_home(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_file_exist`
[INFO] [stdout]   --> src/bin.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn test_file_exist(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_create_dir`
[INFO] [stdout]   --> src/bin.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn test_create_dir(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "1abb5f349d668be7dbb6f6f438d50f6779f120a36064825bba839fed31f598ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1abb5f349d668be7dbb6f6f438d50f6779f120a36064825bba839fed31f598ef", kill_on_drop: false }`
[INFO] [stdout] 1abb5f349d668be7dbb6f6f438d50f6779f120a36064825bba839fed31f598ef