[INFO] cloning repository https://github.com/rmazza/rust-tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmazza/rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmazza%2Frust-tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmazza%2Frust-tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0f152feb4f3a39888eb79cfb99b8d758c50fdba6 [INFO] testing rmazza/rust-tutorial against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmazza%2Frust-tutorial" "/workspace/builds/worker-33/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rmazza/rust-tutorial 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/rmazza/rust-tutorial [INFO] finished tweaking git repo https://github.com/rmazza/rust-tutorial [INFO] tweaked toml for git repo https://github.com/rmazza/rust-tutorial written to /workspace/builds/worker-33/source/Cargo.toml [INFO] crate git repo https://github.com/rmazza/rust-tutorial 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] f2e892458aaaac302339bfd0bc3dd1e182b7d05777203708d1c8e34e5ab728d5 [INFO] running `Command { std: "docker" "start" "-a" "f2e892458aaaac302339bfd0bc3dd1e182b7d05777203708d1c8e34e5ab728d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2e892458aaaac302339bfd0bc3dd1e182b7d05777203708d1c8e34e5ab728d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2e892458aaaac302339bfd0bc3dd1e182b7d05777203708d1c8e34e5ab728d5", kill_on_drop: false }` [INFO] [stdout] f2e892458aaaac302339bfd0bc3dd1e182b7d05777203708d1c8e34e5ab728d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 6ddb2cc336c245beda9705964e8bc6fcdeadf73989f04d3d77af165586b25a6a [INFO] running `Command { std: "docker" "start" "-a" "6ddb2cc336c245beda9705964e8bc6fcdeadf73989f04d3d77af165586b25a6a", kill_on_drop: false }` [INFO] [stderr] Compiling rust-tutorial v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let s = "hello"; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let t = String::from("hello"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `number` [INFO] [stdout] --> src/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | let mut number = 3; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 137 | let mut number = 3; [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: variable `heapString` should have a snake case name [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let heapString = String::from("hello"); // s comes into scope [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `heap_string` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `stackX` should have a snake case name [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let stackX = 5; // x comes into scope [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `stack_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.60s [INFO] running `Command { std: "docker" "inspect" "6ddb2cc336c245beda9705964e8bc6fcdeadf73989f04d3d77af165586b25a6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ddb2cc336c245beda9705964e8bc6fcdeadf73989f04d3d77af165586b25a6a", kill_on_drop: false }` [INFO] [stdout] 6ddb2cc336c245beda9705964e8bc6fcdeadf73989f04d3d77af165586b25a6a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 6efed80ffb34018da6906982cb7f1b2883d94a48d4af349a12514712338dfc99 [INFO] running `Command { std: "docker" "start" "-a" "6efed80ffb34018da6906982cb7f1b2883d94a48d4af349a12514712338dfc99", kill_on_drop: false }` [INFO] [stderr] Compiling rust-tutorial v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let s = "hello"; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let t = String::from("hello"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `number` [INFO] [stdout] --> src/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | let mut number = 3; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 137 | let mut number = 3; [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: variable `heapString` should have a snake case name [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let heapString = String::from("hello"); // s comes into scope [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `heap_string` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `stackX` should have a snake case name [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let stackX = 5; // x comes into scope [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `stack_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "6efed80ffb34018da6906982cb7f1b2883d94a48d4af349a12514712338dfc99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6efed80ffb34018da6906982cb7f1b2883d94a48d4af349a12514712338dfc99", kill_on_drop: false }` [INFO] [stdout] 6efed80ffb34018da6906982cb7f1b2883d94a48d4af349a12514712338dfc99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] [stdout] eb5832034e29a0466cfc9fa6bc4756d1d3b5fff2c402b289146aa8e32302d3ca [INFO] running `Command { std: "docker" "start" "-a" "eb5832034e29a0466cfc9fa6bc4756d1d3b5fff2c402b289146aa8e32302d3ca", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let s = "hello"; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let t = String::from("hello"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `number` [INFO] [stderr] --> src/main.rs:137:13 [INFO] [stderr] | [INFO] [stderr] 137 | let mut number = 3; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:137:9 [INFO] [stderr] | [INFO] [stderr] 137 | let mut number = 3; [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: variable `heapString` should have a snake case name [INFO] [stderr] --> src/main.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let heapString = String::from("hello"); // s comes into scope [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `heap_string` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `stackX` should have a snake case name [INFO] [stderr] --> src/main.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let stackX = 5; // x comes into scope [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `stack_x` [INFO] [stderr] [INFO] [stderr] warning: `rust-tutorial` (bin "rust-tutorial" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_tutorial-6318b9d91fea9213) [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" "eb5832034e29a0466cfc9fa6bc4756d1d3b5fff2c402b289146aa8e32302d3ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb5832034e29a0466cfc9fa6bc4756d1d3b5fff2c402b289146aa8e32302d3ca", kill_on_drop: false }` [INFO] [stdout] eb5832034e29a0466cfc9fa6bc4756d1d3b5fff2c402b289146aa8e32302d3ca