[INFO] cloning repository https://github.com/Amna-amjad/just_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Amna-amjad/just_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmna-amjad%2Fjust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmna-amjad%2Fjust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c9d106c74f7fa34654316971f1bf95fe0823e14
[INFO] testing Amna-amjad/just_practice against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmna-amjad%2Fjust_practice" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Amna-amjad/just_practice on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Amna-amjad/just_practice
[INFO] finished tweaking git repo https://github.com/Amna-amjad/just_practice
[INFO] tweaked toml for git repo https://github.com/Amna-amjad/just_practice written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Amna-amjad/just_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73e5a4efd717e10db2af6fd41ac40d8a47ea106840eb5cbdfcff27158444b41d
[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" "73e5a4efd717e10db2af6fd41ac40d8a47ea106840eb5cbdfcff27158444b41d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73e5a4efd717e10db2af6fd41ac40d8a47ea106840eb5cbdfcff27158444b41d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e5a4efd717e10db2af6fd41ac40d8a47ea106840eb5cbdfcff27158444b41d", kill_on_drop: false }`
[INFO] [stdout] 73e5a4efd717e10db2af6fd41ac40d8a47ea106840eb5cbdfcff27158444b41d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88f1a086e7dff579e205dac3a7fe1e1e604ba3ac9a1c51ff50e28d89567846d2
[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" "88f1a086e7dff579e205dac3a7fe1e1e604ba3ac9a1c51ff50e28d89567846d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling just_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:68:38
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn input(string_literal: &str)-> (String){
[INFO] [stdout]    |                                      ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -     fn input(string_literal: &str)-> (String){
[INFO] [stdout] 68 +     fn input(string_literal: &str)-> String{
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "88f1a086e7dff579e205dac3a7fe1e1e604ba3ac9a1c51ff50e28d89567846d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f1a086e7dff579e205dac3a7fe1e1e604ba3ac9a1c51ff50e28d89567846d2", kill_on_drop: false }`
[INFO] [stdout] 88f1a086e7dff579e205dac3a7fe1e1e604ba3ac9a1c51ff50e28d89567846d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 290a52b6f4989a062b24f649ed1110f7d6db928eb770e5e32941a550d25a6d4c
[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" "290a52b6f4989a062b24f649ed1110f7d6db928eb770e5e32941a550d25a6d4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling just_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:68:38
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn input(string_literal: &str)-> (String){
[INFO] [stdout]    |                                      ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -     fn input(string_literal: &str)-> (String){
[INFO] [stdout] 68 +     fn input(string_literal: &str)-> String{
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "290a52b6f4989a062b24f649ed1110f7d6db928eb770e5e32941a550d25a6d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290a52b6f4989a062b24f649ed1110f7d6db928eb770e5e32941a550d25a6d4c", kill_on_drop: false }`
[INFO] [stdout] 290a52b6f4989a062b24f649ed1110f7d6db928eb770e5e32941a550d25a6d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 477d670193b163ddf9e1c6d6309e92a157268b3fa5be1279f74439509562fcd1
[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" "477d670193b163ddf9e1c6d6309e92a157268b3fa5be1279f74439509562fcd1", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:68:38
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn input(string_literal: &str)-> (String){
[INFO] [stderr]    |                                      ^      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 68 -     fn input(string_literal: &str)-> (String){
[INFO] [stderr] 68 +     fn input(string_literal: &str)-> String{
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `just_practice` (bin "just_practice" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/just_practice-012f0a9e16254f6e)
[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" "477d670193b163ddf9e1c6d6309e92a157268b3fa5be1279f74439509562fcd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477d670193b163ddf9e1c6d6309e92a157268b3fa5be1279f74439509562fcd1", kill_on_drop: false }`
[INFO] [stdout] 477d670193b163ddf9e1c6d6309e92a157268b3fa5be1279f74439509562fcd1