[INFO] cloning repository https://github.com/brunohoppe/rust_proj
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brunohoppe/rust_proj" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunohoppe%2Frust_proj", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunohoppe%2Frust_proj'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f31a4a2d149db3c611407d04d991ad61e79e8f1c
[INFO] testing brunohoppe/rust_proj against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunohoppe%2Frust_proj" "/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/brunohoppe/rust_proj on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brunohoppe/rust_proj
[INFO] finished tweaking git repo https://github.com/brunohoppe/rust_proj
[INFO] tweaked toml for git repo https://github.com/brunohoppe/rust_proj written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/brunohoppe/rust_proj already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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] 3e9408917d52bfab11a08962365ca65c75cd09e0420f89f762b61c9f72a32412
[INFO] running `Command { std: "docker" "start" "-a" "3e9408917d52bfab11a08962365ca65c75cd09e0420f89f762b61c9f72a32412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e9408917d52bfab11a08962365ca65c75cd09e0420f89f762b61c9f72a32412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9408917d52bfab11a08962365ca65c75cd09e0420f89f762b61c9f72a32412", kill_on_drop: false }`
[INFO] [stdout] 3e9408917d52bfab11a08962365ca65c75cd09e0420f89f762b61c9f72a32412
[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" "+beta-2022-04-10" "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] 6489082826b4a000b24019f8ec07b7403c2a198aff0080f02e45410c045f4c1d
[INFO] running `Command { std: "docker" "start" "-a" "6489082826b4a000b24019f8ec07b7403c2a198aff0080f02e45410c045f4c1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.3.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling int-enum-impl v0.4.0
[INFO] [stderr]    Compiling enum-iterator v0.7.0
[INFO] [stderr]    Compiling int-enum v0.4.0
[INFO] [stderr]    Compiling nft_rush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `make_vec`
[INFO] [stdout]   --> src/train.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn make_vec() -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_vec`
[INFO] [stdout]   --> src/train.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn print_vec(vec: Vec<i32>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/train.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn foo(name: String) -> String{
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bar`
[INFO] [stdout]   --> src/train.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn bar(name: &String) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `change`
[INFO] [stdout]   --> src/train.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn change(some_string: &mut String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.13s
[INFO] running `Command { std: "docker" "inspect" "6489082826b4a000b24019f8ec07b7403c2a198aff0080f02e45410c045f4c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6489082826b4a000b24019f8ec07b7403c2a198aff0080f02e45410c045f4c1d", kill_on_drop: false }`
[INFO] [stdout] 6489082826b4a000b24019f8ec07b7403c2a198aff0080f02e45410c045f4c1d
[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" "+beta-2022-04-10" "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] ea561e2b16c7e13d1becebfbf9b2fbeeb7fc314865bf33c2d6bb03186b6255a3
[INFO] running `Command { std: "docker" "start" "-a" "ea561e2b16c7e13d1becebfbf9b2fbeeb7fc314865bf33c2d6bb03186b6255a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nft_rush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `make_vec`
[INFO] [stdout]   --> src/train.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn make_vec() -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_vec`
[INFO] [stdout]   --> src/train.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn print_vec(vec: Vec<i32>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/train.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn foo(name: String) -> String{
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bar`
[INFO] [stdout]   --> src/train.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn bar(name: &String) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `change`
[INFO] [stdout]   --> src/train.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn change(some_string: &mut String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/nft_rush-4e79d83240a3a033)
[INFO] [stderr]   Executable unittests src/train.rs (/opt/rustwide/target/debug/deps/train-e38803b1d6c1253d)
[INFO] running `Command { std: "docker" "inspect" "ea561e2b16c7e13d1becebfbf9b2fbeeb7fc314865bf33c2d6bb03186b6255a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea561e2b16c7e13d1becebfbf9b2fbeeb7fc314865bf33c2d6bb03186b6255a3", kill_on_drop: false }`
[INFO] [stdout] ea561e2b16c7e13d1becebfbf9b2fbeeb7fc314865bf33c2d6bb03186b6255a3
[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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 607747de31ce731338775f886abaf2d7f8ff24d163c14945c1c67bb81dcdfdb8
[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" "607747de31ce731338775f886abaf2d7f8ff24d163c14945c1c67bb81dcdfdb8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `make_vec`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/train.rs:16:4
[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] 16 | fn make_vec() -> Vec<i32> {
[INFO] [stdout] 
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_vec`
[INFO] [stderr]   --> src/train.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn print_vec(vec: Vec<i32>) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]   --> src/train.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn foo(name: String) -> String{
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bar`
[INFO] [stderr]   --> src/train.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn bar(name: &String) {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `change`
[INFO] [stderr]   --> src/train.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn change(some_string: &mut String) {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `nft_rush` (bin "train" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nft_rush-4e79d83240a3a033)
[INFO] [stderr]      Running unittests src/train.rs (/opt/rustwide/target/debug/deps/train-e38803b1d6c1253d)
[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" "607747de31ce731338775f886abaf2d7f8ff24d163c14945c1c67bb81dcdfdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607747de31ce731338775f886abaf2d7f8ff24d163c14945c1c67bb81dcdfdb8", kill_on_drop: false }`
[INFO] [stdout] 607747de31ce731338775f886abaf2d7f8ff24d163c14945c1c67bb81dcdfdb8