[INFO] cloning repository https://github.com/KaiserPhemi/rustDemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KaiserPhemi/rustDemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaiserPhemi%2FrustDemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaiserPhemi%2FrustDemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 351215ab81d659c0faf4e66fdc0ce13a157c6af3
[INFO] testing KaiserPhemi/rustDemo 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%2FKaiserPhemi%2FrustDemo" "/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/KaiserPhemi/rustDemo 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/KaiserPhemi/rustDemo
[INFO] finished tweaking git repo https://github.com/KaiserPhemi/rustDemo
[INFO] tweaked toml for git repo https://github.com/KaiserPhemi/rustDemo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/KaiserPhemi/rustDemo 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] [stderr]     Blocking waiting for file lock on package cache
[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: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] a5b8394ad50d072fdc2cd72f9ea708f148e2bdf48f81196a04d4d49371237f24
[INFO] running `Command { std: "docker" "start" "-a" "a5b8394ad50d072fdc2cd72f9ea708f148e2bdf48f81196a04d4d49371237f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b8394ad50d072fdc2cd72f9ea708f148e2bdf48f81196a04d4d49371237f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b8394ad50d072fdc2cd72f9ea708f148e2bdf48f81196a04d4d49371237f24", kill_on_drop: false }`
[INFO] [stdout] a5b8394ad50d072fdc2cd72f9ea708f148e2bdf48f81196a04d4d49371237f24
[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=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] 92cfaeb8e63396fcddcd297166f5322b2c91e57744870a07bef7e81e2be1aea2
[INFO] running `Command { std: "docker" "start" "-a" "92cfaeb8e63396fcddcd297166f5322b2c91e57744870a07bef7e81e2be1aea2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_learning_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/structs_.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | let mut new_person = Person::new("Phemi", "Akinwa");
[INFO] [stdout]    |     ----^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 1.45s
[INFO] running `Command { std: "docker" "inspect" "92cfaeb8e63396fcddcd297166f5322b2c91e57744870a07bef7e81e2be1aea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cfaeb8e63396fcddcd297166f5322b2c91e57744870a07bef7e81e2be1aea2", kill_on_drop: false }`
[INFO] [stdout] 92cfaeb8e63396fcddcd297166f5322b2c91e57744870a07bef7e81e2be1aea2
[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=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] 322dd1c7a37d18ed24fbbbb6792a51c296dbfab315071d3780ae793769617ca1
[INFO] running `Command { std: "docker" "start" "-a" "322dd1c7a37d18ed24fbbbb6792a51c296dbfab315071d3780ae793769617ca1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learning_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/structs_.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | let mut new_person = Person::new("Phemi", "Akinwa");
[INFO] [stdout]    |     ----^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 0.90s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learning_demo-fcefb0842b256dd1)
[INFO] running `Command { std: "docker" "inspect" "322dd1c7a37d18ed24fbbbb6792a51c296dbfab315071d3780ae793769617ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322dd1c7a37d18ed24fbbbb6792a51c296dbfab315071d3780ae793769617ca1", kill_on_drop: false }`
[INFO] [stdout] 322dd1c7a37d18ed24fbbbb6792a51c296dbfab315071d3780ae793769617ca1
[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=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] 97b264ca5f245fa0c61bff1529f059f5a8f0ed7bb75385b174861b5209301fc4
[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" "97b264ca5f245fa0c61bff1529f059f5a8f0ed7bb75385b174861b5209301fc4", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/structs_.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | let mut new_person = Person::new("Phemi", "Akinwa");
[INFO] [stderr]    |     ----^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_learning_demo` (bin "rust_learning_demo" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learning_demo-fcefb0842b256dd1)
[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" "97b264ca5f245fa0c61bff1529f059f5a8f0ed7bb75385b174861b5209301fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b264ca5f245fa0c61bff1529f059f5a8f0ed7bb75385b174861b5209301fc4", kill_on_drop: false }`
[INFO] [stdout] 97b264ca5f245fa0c61bff1529f059f5a8f0ed7bb75385b174861b5209301fc4