[INFO] cloning repository https://github.com/juanitoddd/Rust-Learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juanitoddd/Rust-Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanitoddd%2FRust-Learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanitoddd%2FRust-Learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ff7e093c40473cf2da1794da91bf0ca202d2a980 [INFO] testing juanitoddd/Rust-Learning against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanitoddd%2FRust-Learning" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/juanitoddd/Rust-Learning on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/juanitoddd/Rust-Learning [INFO] finished tweaking git repo https://github.com/juanitoddd/Rust-Learning [INFO] tweaked toml for git repo https://github.com/juanitoddd/Rust-Learning written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/juanitoddd/Rust-Learning already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b683c29c2974f9a7f56134417802f07a0fd27aa5ebd602e6bbb23753fad2d39 [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" "5b683c29c2974f9a7f56134417802f07a0fd27aa5ebd602e6bbb23753fad2d39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b683c29c2974f9a7f56134417802f07a0fd27aa5ebd602e6bbb23753fad2d39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b683c29c2974f9a7f56134417802f07a0fd27aa5ebd602e6bbb23753fad2d39", kill_on_drop: false }` [INFO] [stdout] 5b683c29c2974f9a7f56134417802f07a0fd27aa5ebd602e6bbb23753fad2d39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddbc8ce49b697df2cbc2a48277951999d1ef736c9f577b89ab78d212ad90ac5a [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" "ddbc8ce49b697df2cbc2a48277951999d1ef736c9f577b89ab78d212ad90ac5a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling ppv-lite86 v0.2.14 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `f` [INFO] [stdout] --> src/lifetimes/mod.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn f(s: &str) -> &str { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 6.33s [INFO] running `Command { std: "docker" "inspect" "ddbc8ce49b697df2cbc2a48277951999d1ef736c9f577b89ab78d212ad90ac5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddbc8ce49b697df2cbc2a48277951999d1ef736c9f577b89ab78d212ad90ac5a", kill_on_drop: false }` [INFO] [stdout] ddbc8ce49b697df2cbc2a48277951999d1ef736c9f577b89ab78d212ad90ac5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea1daaefb0b078663abb380fd68cd02548d36a8a33f9fb7d0e67fd631ba9553c [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" "ea1daaefb0b078663abb380fd68cd02548d36a8a33f9fb7d0e67fd631ba9553c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `f` [INFO] [stdout] --> src/lifetimes/mod.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn f(s: &str) -> &str { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `updateRef` should have a snake case name [INFO] [stdout] --> examples/borrow.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | fn updateRef(arr:&mut [i32;3]){ [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `update_ref` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.18s [INFO] running `Command { std: "docker" "inspect" "ea1daaefb0b078663abb380fd68cd02548d36a8a33f9fb7d0e67fd631ba9553c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea1daaefb0b078663abb380fd68cd02548d36a8a33f9fb7d0e67fd631ba9553c", kill_on_drop: false }` [INFO] [stdout] ea1daaefb0b078663abb380fd68cd02548d36a8a33f9fb7d0e67fd631ba9553c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", 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] d358d5454e9d7631bdaaf0c4ae38e48049fef8ed0f5c074b3512d13fdce3c2e3 [INFO] running `Command { std: "docker" "start" "-a" "d358d5454e9d7631bdaaf0c4ae38e48049fef8ed0f5c074b3512d13fdce3c2e3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: function is never used: `f` [INFO] [stderr] --> src/lifetimes/mod.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn f(s: &str) -> &str { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `updateRef` should have a snake case name [INFO] [stderr] --> examples/borrow.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | fn updateRef(arr:&mut [i32;3]){ [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `update_ref` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `learn` (bin "learn" test) generated 1 warning [INFO] [stderr] warning: `learn` (example "borrow") generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.72s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/learn-1191937e72a4efa4) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/learn-e6045530043c4bb1) [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] [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] [stderr] Doc-tests learn [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" "d358d5454e9d7631bdaaf0c4ae38e48049fef8ed0f5c074b3512d13fdce3c2e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d358d5454e9d7631bdaaf0c4ae38e48049fef8ed0f5c074b3512d13fdce3c2e3", kill_on_drop: false }` [INFO] [stdout] d358d5454e9d7631bdaaf0c4ae38e48049fef8ed0f5c074b3512d13fdce3c2e3