[INFO] cloning repository https://github.com/Xedon/rust_workshop [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xedon/rust_workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXedon%2Frust_workshop", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXedon%2Frust_workshop'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5df7f56137bbc5afc828b4378f016ad869cf7760 [INFO] testing Xedon/rust_workshop against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXedon%2Frust_workshop" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xedon/rust_workshop on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Xedon/rust_workshop [INFO] finished tweaking git repo https://github.com/Xedon/rust_workshop [INFO] tweaked toml for git repo https://github.com/Xedon/rust_workshop written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/Xedon/rust_workshop already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.60.0" "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] 4b28d04bb413889739a52bdb587a05fd2d5e4db0a3349cf4bf06d9e7d3879a68 [INFO] running `Command { std: "docker" "start" "-a" "4b28d04bb413889739a52bdb587a05fd2d5e4db0a3349cf4bf06d9e7d3879a68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b28d04bb413889739a52bdb587a05fd2d5e4db0a3349cf4bf06d9e7d3879a68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b28d04bb413889739a52bdb587a05fd2d5e4db0a3349cf4bf06d9e7d3879a68", kill_on_drop: false }` [INFO] [stdout] 4b28d04bb413889739a52bdb587a05fd2d5e4db0a3349cf4bf06d9e7d3879a68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.60.0" "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] 5ed44ee8889ad12a47764fa7cb7d9093a9203fed28b3b755dd82765f2511dfb0 [INFO] running `Command { std: "docker" "start" "-a" "5ed44ee8889ad12a47764fa7cb7d9093a9203fed28b3b755dd82765f2511dfb0", kill_on_drop: false }` [INFO] [stderr] Compiling rust-starter v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.51s [INFO] running `Command { std: "docker" "inspect" "5ed44ee8889ad12a47764fa7cb7d9093a9203fed28b3b755dd82765f2511dfb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ed44ee8889ad12a47764fa7cb7d9093a9203fed28b3b755dd82765f2511dfb0", kill_on_drop: false }` [INFO] [stdout] 5ed44ee8889ad12a47764fa7cb7d9093a9203fed28b3b755dd82765f2511dfb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.60.0" "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] 12069f5ac758c140d45a6a098d777957d0b7b5266c4dfb41bfc2f9bfa4838d52 [INFO] running `Command { std: "docker" "start" "-a" "12069f5ac758c140d45a6a098d777957d0b7b5266c4dfb41bfc2f9bfa4838d52", kill_on_drop: false }` [INFO] [stderr] Compiling rust-starter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Error` [INFO] [stdout] --> examples/3_flow_control.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | Error(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `RemoteValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> examples/3_flow_control.rs:36:14 [INFO] [stdout] | [INFO] [stdout] 36 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str` [INFO] [stdout] --> examples/1_primitves.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let str = "str"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string` [INFO] [stdout] --> examples/1_primitves.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let string = String::from("string"); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> examples/1_primitves.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let x = 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> examples/1_primitves.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | let mut x = "a"; [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: unused variable: `x` [INFO] [stdout] --> examples/1_primitves.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let x = x; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> examples/2_custom_types.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | x: i64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> examples/2_custom_types.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> examples/2_custom_types.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | y: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> examples/2_custom_types.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.74s [INFO] running `Command { std: "docker" "inspect" "12069f5ac758c140d45a6a098d777957d0b7b5266c4dfb41bfc2f9bfa4838d52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12069f5ac758c140d45a6a098d777957d0b7b5266c4dfb41bfc2f9bfa4838d52", kill_on_drop: false }` [INFO] [stdout] 12069f5ac758c140d45a6a098d777957d0b7b5266c4dfb41bfc2f9bfa4838d52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 888fec410b1f0eaf993c1c9ab0dc8e0930aaf8d0f3d08cfea675583be134da79 [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" "888fec410b1f0eaf993c1c9ab0dc8e0930aaf8d0f3d08cfea675583be134da79", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> examples/2_custom_types.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | x: i64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> examples/2_custom_types.rs:5:10 [INFO] [stderr] | [INFO] [stderr] 5 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> examples/2_custom_types.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | y: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> examples/2_custom_types.rs:5:10 [INFO] [stderr] | [INFO] [stderr] 5 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Error` [INFO] [stderr] --> examples/3_flow_control.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | Error(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `RemoteValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> examples/3_flow_control.rs:36:14 [INFO] [stderr] | [INFO] [stderr] 36 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `str` [INFO] [stderr] --> examples/1_primitves.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | let str = "str"; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_str` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `string` [INFO] [stderr] --> examples/1_primitves.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let string = String::from("string"); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> examples/1_primitves.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let x = 1; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> examples/1_primitves.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | let mut x = "a"; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> examples/1_primitves.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let x = x; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: `rust-starter` (example "2_custom_types") generated 2 warnings [INFO] [stderr] warning: `rust-starter` (example "3_flow_control") generated 1 warning [INFO] [stderr] warning: `rust-starter` (example "1_primitves") generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_starter-a6e9c3f2915df835) [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" "888fec410b1f0eaf993c1c9ab0dc8e0930aaf8d0f3d08cfea675583be134da79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "888fec410b1f0eaf993c1c9ab0dc8e0930aaf8d0f3d08cfea675583be134da79", kill_on_drop: false }` [INFO] [stdout] 888fec410b1f0eaf993c1c9ab0dc8e0930aaf8d0f3d08cfea675583be134da79