[INFO] cloning repository https://github.com/chokri/rust-basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chokri/rust-basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchokri%2Frust-basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchokri%2Frust-basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 140a044a2d57225192cf7049438965fb2de942f3
[INFO] testing chokri/rust-basics against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchokri%2Frust-basics" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chokri/rust-basics on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chokri/rust-basics
[INFO] finished tweaking git repo https://github.com/chokri/rust-basics
[INFO] tweaked toml for git repo https://github.com/chokri/rust-basics written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/chokri/rust-basics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76dde6887aa5187e40eff225345840d7a14c2028dfd7439dfa35f42ecb917eda
[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" "76dde6887aa5187e40eff225345840d7a14c2028dfd7439dfa35f42ecb917eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76dde6887aa5187e40eff225345840d7a14c2028dfd7439dfa35f42ecb917eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76dde6887aa5187e40eff225345840d7a14c2028dfd7439dfa35f42ecb917eda", kill_on_drop: false }`
[INFO] [stdout] 76dde6887aa5187e40eff225345840d7a14c2028dfd7439dfa35f42ecb917eda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f06ea82478646363960e75298e8e3531bf8031cb76c510f7b1564bbeaa87d62
[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" "3f06ea82478646363960e75298e8e3531bf8031cb76c510f7b1564bbeaa87d62", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling blowfish v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bcrypt v0.10.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `full_name`
[INFO] [stdout]   --> src/person.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn full_name (&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/person.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     #[warn(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `str::<impl str>::replace` that must be used
[INFO] [stdout]   --> src/vars.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     title.replace("world", "there");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the replaced string as a new allocation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "3f06ea82478646363960e75298e8e3531bf8031cb76c510f7b1564bbeaa87d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f06ea82478646363960e75298e8e3531bf8031cb76c510f7b1564bbeaa87d62", kill_on_drop: false }`
[INFO] [stdout] 3f06ea82478646363960e75298e8e3531bf8031cb76c510f7b1564bbeaa87d62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d70302aff366502987a2a029b71c50bfb517f0b764802f637cf5bf664459561
[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" "3d70302aff366502987a2a029b71c50bfb517f0b764802f637cf5bf664459561", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `full_name`
[INFO] [stdout]   --> src/person.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn full_name (&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/person.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     #[warn(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `str::<impl str>::replace` that must be used
[INFO] [stdout]   --> src/vars.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     title.replace("world", "there");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the replaced string as a new allocation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "3d70302aff366502987a2a029b71c50bfb517f0b764802f637cf5bf664459561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d70302aff366502987a2a029b71c50bfb517f0b764802f637cf5bf664459561", kill_on_drop: false }`
[INFO] [stdout] 3d70302aff366502987a2a029b71c50bfb517f0b764802f637cf5bf664459561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43a9c3aa5b98dd5984345ef54a0904b30925b664ffee4b84976531f21f2e6b0d
[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" "43a9c3aa5b98dd5984345ef54a0904b30925b664ffee4b84976531f21f2e6b0d", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `full_name`
[INFO] [stderr]   --> src/person.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn full_name (&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/person.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     #[warn(dead_code)]
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `str::<impl str>::replace` that must be used
[INFO] [stderr]   --> src/vars.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     title.replace("world", "there");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this returns the replaced string as a new allocation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: `rust` (bin "rust" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust-9cfb9a45b7453bd0)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test person::test_create_person ... ok
[INFO] [stdout] test person::test_create_account ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43a9c3aa5b98dd5984345ef54a0904b30925b664ffee4b84976531f21f2e6b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a9c3aa5b98dd5984345ef54a0904b30925b664ffee4b84976531f21f2e6b0d", kill_on_drop: false }`
[INFO] [stdout] 43a9c3aa5b98dd5984345ef54a0904b30925b664ffee4b84976531f21f2e6b0d