[INFO] cloning repository https://github.com/CompSciGuyIT/Udemy_RustForCompleteBeginners_getskillsfast [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CompSciGuyIT/Udemy_RustForCompleteBeginners_getskillsfast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCompSciGuyIT%2FUdemy_RustForCompleteBeginners_getskillsfast", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCompSciGuyIT%2FUdemy_RustForCompleteBeginners_getskillsfast'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1430890df1e433feecce0e695480e4989aef9e04 [INFO] checking CompSciGuyIT/Udemy_RustForCompleteBeginners_getskillsfast against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCompSciGuyIT%2FUdemy_RustForCompleteBeginners_getskillsfast" "/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/CompSciGuyIT/Udemy_RustForCompleteBeginners_getskillsfast on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/CompSciGuyIT/Udemy_RustForCompleteBeginners_getskillsfast [INFO] finished tweaking git repo https://github.com/CompSciGuyIT/Udemy_RustForCompleteBeginners_getskillsfast [INFO] tweaked toml for git repo https://github.com/CompSciGuyIT/Udemy_RustForCompleteBeginners_getskillsfast written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/CompSciGuyIT/Udemy_RustForCompleteBeginners_getskillsfast already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0543851cf927f4c94ead79309eed4c8815378c85ce438e26731a0c1f5c48011a [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" "0543851cf927f4c94ead79309eed4c8815378c85ce438e26731a0c1f5c48011a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0543851cf927f4c94ead79309eed4c8815378c85ce438e26731a0c1f5c48011a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0543851cf927f4c94ead79309eed4c8815378c85ce438e26731a0c1f5c48011a", kill_on_drop: false }` [INFO] [stdout] 0543851cf927f4c94ead79309eed4c8815378c85ce438e26731a0c1f5c48011a [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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01c9be15bd2e13fc2783cc8f4f7b278fa2cc3eba506b993ed5488504b7224ea3 [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" "01c9be15bd2e13fc2783cc8f4f7b278fa2cc3eba506b993ed5488504b7224ea3", kill_on_drop: false }` [INFO] [stderr] Checking getskillsfast v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `name` is never read [INFO] [stdout] --> src/main.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let mut name = String::from("Jason"); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `name` is never read [INFO] [stdout] --> src/main.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let mut name = String::from("Jason"); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.40s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "01c9be15bd2e13fc2783cc8f4f7b278fa2cc3eba506b993ed5488504b7224ea3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01c9be15bd2e13fc2783cc8f4f7b278fa2cc3eba506b993ed5488504b7224ea3", kill_on_drop: false }` [INFO] [stdout] 01c9be15bd2e13fc2783cc8f4f7b278fa2cc3eba506b993ed5488504b7224ea3