[INFO] cloning repository https://github.com/Gammaglobulino/test_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gammaglobulino/test_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGammaglobulino%2Ftest_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGammaglobulino%2Ftest_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fed11074b9f54f15f5bd78a9dad8a51d2abbdbc7
[INFO] testing Gammaglobulino/test_rust against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGammaglobulino%2Ftest_rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gammaglobulino/test_rust on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gammaglobulino/test_rust
[INFO] finished tweaking git repo https://github.com/Gammaglobulino/test_rust
[INFO] tweaked toml for git repo https://github.com/Gammaglobulino/test_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Gammaglobulino/test_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] c4800a98230473558a32f5e646b73864c341a50db359434eefc1b799973d432f
[INFO] running `Command { std: "docker" "start" "-a" "c4800a98230473558a32f5e646b73864c341a50db359434eefc1b799973d432f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4800a98230473558a32f5e646b73864c341a50db359434eefc1b799973d432f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4800a98230473558a32f5e646b73864c341a50db359434eefc1b799973d432f", kill_on_drop: false }`
[INFO] [stdout] c4800a98230473558a32f5e646b73864c341a50db359434eefc1b799973d432f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c82798486572d0e2b9a2b547bb0d911aa37153189c15e80d3c8eaf0cd1a483c0
[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" "c82798486572d0e2b9a2b547bb0d911aa37153189c15e80d3c8eaf0cd1a483c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling test_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `test_strings`
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn test_strings() -> 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_looping`
[INFO] [stdout]   --> src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn test_looping(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_while`
[INFO] [stdout]   --> src/main.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn test_while(){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_iterator`
[INFO] [stdout]   --> src/main.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn test_iterator(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_for_with_range`
[INFO] [stdout]    --> src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn test_for_with_range(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_enum`
[INFO] [stdout]    --> src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn test_enum(){
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_match`
[INFO] [stdout]    --> src/main.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn test_match(){
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_playing_with_shapes`
[INFO] [stdout]    --> src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn test_playing_with_shapes(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "c82798486572d0e2b9a2b547bb0d911aa37153189c15e80d3c8eaf0cd1a483c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82798486572d0e2b9a2b547bb0d911aa37153189c15e80d3c8eaf0cd1a483c0", kill_on_drop: false }`
[INFO] [stdout] c82798486572d0e2b9a2b547bb0d911aa37153189c15e80d3c8eaf0cd1a483c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] bca9ac505ef2701017d279b973b1ac0276dc65453893ec47a5a852e4822d9f8c
[INFO] running `Command { std: "docker" "start" "-a" "bca9ac505ef2701017d279b973b1ac0276dc65453893ec47a5a852e4822d9f8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `test_strings`
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn test_strings() -> 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_looping`
[INFO] [stdout]   --> src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn test_looping(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_while`
[INFO] [stdout]   --> src/main.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn test_while(){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_iterator`
[INFO] [stdout]   --> src/main.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn test_iterator(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_for_with_range`
[INFO] [stdout]    --> src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn test_for_with_range(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_enum`
[INFO] [stdout]    --> src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn test_enum(){
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_match`
[INFO] [stdout]    --> src/main.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn test_match(){
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_playing_with_shapes`
[INFO] [stdout]    --> src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn test_playing_with_shapes(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bca9ac505ef2701017d279b973b1ac0276dc65453893ec47a5a852e4822d9f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca9ac505ef2701017d279b973b1ac0276dc65453893ec47a5a852e4822d9f8c", kill_on_drop: false }`
[INFO] [stdout] bca9ac505ef2701017d279b973b1ac0276dc65453893ec47a5a852e4822d9f8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51ed4aa2f0a241ec195f295fd2fc6c5134f5666bd2a9eff35f633a38a79990ba
[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" "51ed4aa2f0a241ec195f295fd2fc6c5134f5666bd2a9eff35f633a38a79990ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `test_strings`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:69:4
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 69 | fn test_strings() -> String{
[INFO] [stdout] 
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_looping`
[INFO] [stderr]   --> src/main.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn test_looping(){
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_while`
[INFO] [stderr]   --> src/main.rs:88:4
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn test_while(){
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_iterator`
[INFO] [stderr]   --> src/main.rs:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn test_iterator(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_for_with_range`
[INFO] [stderr]    --> src/main.rs:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn test_for_with_range(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_enum`
[INFO] [stderr]    --> src/main.rs:113:4
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn test_enum(){
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_match`
[INFO] [stderr]    --> src/main.rs:125:4
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn test_match(){
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_playing_with_shapes`
[INFO] [stderr]    --> src/main.rs:165:4
[INFO] [stderr]     |
[INFO] [stderr] 165 | fn test_playing_with_shapes(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.60s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_rust-521fbaa47bb00a97)
[INFO] running `Command { std: "docker" "inspect" "51ed4aa2f0a241ec195f295fd2fc6c5134f5666bd2a9eff35f633a38a79990ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ed4aa2f0a241ec195f295fd2fc6c5134f5666bd2a9eff35f633a38a79990ba", kill_on_drop: false }`
[INFO] [stdout] 51ed4aa2f0a241ec195f295fd2fc6c5134f5666bd2a9eff35f633a38a79990ba