[INFO] cloning repository https://github.com/Igosuki/rust_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Igosuki/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgosuki%2Frust_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgosuki%2Frust_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d18c3ccd71134f3a51254e126035ed3a8e12d4ea [INFO] testing Igosuki/rust_playground against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgosuki%2Frust_playground" "/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/Igosuki/rust_playground on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Igosuki/rust_playground [INFO] finished tweaking git repo https://github.com/Igosuki/rust_playground [INFO] tweaked toml for git repo https://github.com/Igosuki/rust_playground written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/Igosuki/rust_playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 094c225a52968eeb8852fa01c90ed34f7a3995844d5384a03be70b4d52fdfb24 [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" "094c225a52968eeb8852fa01c90ed34f7a3995844d5384a03be70b4d52fdfb24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "094c225a52968eeb8852fa01c90ed34f7a3995844d5384a03be70b4d52fdfb24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "094c225a52968eeb8852fa01c90ed34f7a3995844d5384a03be70b4d52fdfb24", kill_on_drop: false }` [INFO] [stdout] 094c225a52968eeb8852fa01c90ed34f7a3995844d5384a03be70b4d52fdfb24 [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" "+beta-2022-04-10" "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] 9aa3ab0025222fe723b9a6086384931f47462180ceaf31e092c45298f3dcb74d [INFO] running `Command { std: "docker" "start" "-a" "9aa3ab0025222fe723b9a6086384931f47462180ceaf31e092c45298f3dcb74d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling cc v1.0.27 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling arrayvec v0.4.9 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling rustc-demangle v0.1.11 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling arc-swap v0.3.6 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling constant_time_eq v0.1.3 [INFO] [stderr] Compiling linked-hash-map v0.5.1 [INFO] [stderr] Compiling md5 v0.3.8 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling try_from v0.2.2 [INFO] [stderr] Compiling bufstream v0.1.4 [INFO] [stderr] Compiling askama_escape v0.1.0 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling separator v0.3.1 [INFO] [stderr] Compiling json v0.11.13 [INFO] [stderr] Compiling rand_xorshift v0.1.0 [INFO] [stderr] Compiling semver v0.8.0 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling actix-web v0.7.16 [INFO] [stderr] Compiling tower-service v0.1.0 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Compiling encoding v0.2.33 [INFO] [stderr] Compiling digest v0.7.6 [INFO] [stderr] Compiling crypto-mac v0.6.2 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stderr] Compiling md-5 v0.7.0 [INFO] [stderr] Compiling sha-1 v0.7.0 [INFO] [stderr] Compiling hmac v0.6.3 [INFO] [stderr] Compiling backtrace-sys v0.1.26 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling crossbeam-epoch v0.7.0 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling socket2 v0.3.8 [INFO] [stderr] Compiling time v0.1.41 [INFO] [stderr] Compiling signal-hook v0.1.6 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stderr] Compiling crossbeam-deque v0.6.3 [INFO] [stderr] Compiling resolv-conf v0.6.1 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling uuid v0.7.1 [INFO] [stderr] Compiling pbkdf2 v0.2.3 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling tokio-io v0.1.10 [INFO] [stderr] Compiling http v0.1.14 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling flate2 v1.0.6 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-threadpool v0.1.9 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling tokio-reactor v0.1.7 [INFO] [stderr] Compiling parking_lot v0.7.0 [INFO] [stderr] Compiling tokio-fs v0.1.4 [INFO] [stderr] Compiling titlecase v0.10.0 [INFO] [stderr] Compiling scan_fmt v0.1.3 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.4 [INFO] [stderr] Compiling tokio-signal v0.2.7 [INFO] [stderr] Compiling crossbeam-channel v0.3.4 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling serde_urlencoded v0.5.4 [INFO] [stderr] Compiling env_logger v0.6.0 [INFO] [stderr] Compiling h2 v0.1.14 [INFO] [stderr] Compiling tokio v0.1.13 [INFO] [stderr] Compiling cookie v0.11.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling bson v0.13.0 [INFO] [stderr] Compiling brotli2 v0.3.2 [INFO] [stderr] Compiling ownership v0.1.0 (/opt/rustwide/workdir/3_ownership) [INFO] [stderr] Compiling structs v0.1.0 (/opt/rustwide/workdir/4_structs) [INFO] [stderr] Compiling ctrl_flow v0.1.0 (/opt/rustwide/workdir/2_ctrl_flow) [INFO] [stdout] warning: field is never read: `username` [INFO] [stdout] --> 4_structs/src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | username: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> 4_structs/src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | #[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: `sign_in_count` [INFO] [stdout] --> 4_structs/src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | sign_in_count: i64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> 4_structs/src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | #[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: `active` [INFO] [stdout] --> 4_structs/src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | active: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> 4_structs/src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | #[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: associated function is never used: `is_active` [INFO] [stdout] --> 4_structs/src/main.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | fn is_active(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_inactive` [INFO] [stdout] --> 4_structs/src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn set_inactive(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `same_name` [INFO] [stdout] --> 4_structs/src/main.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn same_name(&self, u2: &User) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `default` [INFO] [stdout] --> 4_structs/src/main.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | fn default(username: String, email: String) -> User { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Color` [INFO] [stdout] --> 4_structs/src/main.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> 4_structs/src/main.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | struct Point(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `assign_tuple` [INFO] [stdout] --> 4_structs/src/main.rs:80:4 [INFO] [stdout] | [INFO] [stdout] 80 | fn assign_tuple(i1: i32, i2: i32, i3: i32) -> Color { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> 2_ctrl_flow/src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use titlecase::{self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling actix_derive v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling failure v0.1.3 [INFO] [stderr] Compiling trust-dns-proto v0.6.1 [INFO] [stderr] Compiling trust-dns-proto v0.5.0 [INFO] [stderr] Compiling dotenv v0.13.0 [INFO] [stderr] Compiling trust-dns-resolver v0.10.1 [INFO] [stderr] Compiling actix v0.7.9 [INFO] [stderr] Compiling textnonce v0.6.4 [INFO] [stderr] Compiling actix-net v0.2.5 [INFO] [stderr] Compiling mongodb v0.3.12 [INFO] [stderr] Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/1_guessing_game) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 06s [INFO] running `Command { std: "docker" "inspect" "9aa3ab0025222fe723b9a6086384931f47462180ceaf31e092c45298f3dcb74d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9aa3ab0025222fe723b9a6086384931f47462180ceaf31e092c45298f3dcb74d", kill_on_drop: false }` [INFO] [stdout] 9aa3ab0025222fe723b9a6086384931f47462180ceaf31e092c45298f3dcb74d [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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a8cc10f7669b98bcff3a8aeaf259d55cc0c023de8fe035fe6158e16d7c637df [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" "0a8cc10f7669b98bcff3a8aeaf259d55cc0c023de8fe035fe6158e16d7c637df", kill_on_drop: false }` [INFO] [stderr] Compiling ownership v0.1.0 (/opt/rustwide/workdir/3_ownership) [INFO] [stderr] Compiling structs v0.1.0 (/opt/rustwide/workdir/4_structs) [INFO] [stderr] Compiling ctrl_flow v0.1.0 (/opt/rustwide/workdir/2_ctrl_flow) [INFO] [stderr] Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/1_guessing_game) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> 2_ctrl_flow/src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use titlecase::{self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `username` [INFO] [stdout] --> 4_structs/src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | username: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> 4_structs/src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | #[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: `sign_in_count` [INFO] [stdout] --> 4_structs/src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | sign_in_count: i64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> 4_structs/src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | #[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: `active` [INFO] [stdout] --> 4_structs/src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | active: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> 4_structs/src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | #[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: associated function is never used: `is_active` [INFO] [stdout] --> 4_structs/src/main.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | fn is_active(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_inactive` [INFO] [stdout] --> 4_structs/src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn set_inactive(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `same_name` [INFO] [stdout] --> 4_structs/src/main.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn same_name(&self, u2: &User) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `default` [INFO] [stdout] --> 4_structs/src/main.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | fn default(username: String, email: String) -> User { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Color` [INFO] [stdout] --> 4_structs/src/main.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> 4_structs/src/main.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | struct Point(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `assign_tuple` [INFO] [stdout] --> 4_structs/src/main.rs:80:4 [INFO] [stdout] | [INFO] [stdout] 80 | fn assign_tuple(i1: i32, i2: i32, i3: i32) -> Color { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.70s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ctrl_flow-dfdbbc0ae8356d43) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-a1de5ee20be4cabc) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ownership-285a6fe13b728162) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/structs-7fac49a804d59c1c) [INFO] running `Command { std: "docker" "inspect" "0a8cc10f7669b98bcff3a8aeaf259d55cc0c023de8fe035fe6158e16d7c637df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a8cc10f7669b98bcff3a8aeaf259d55cc0c023de8fe035fe6158e16d7c637df", kill_on_drop: false }` [INFO] [stdout] 0a8cc10f7669b98bcff3a8aeaf259d55cc0c023de8fe035fe6158e16d7c637df [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" "+beta-2022-04-10" "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] 3cd3899030dc753d8528b3da3e2f7cafeeabd6e4dff48b8b854da093246b6d2f [INFO] running `Command { std: "docker" "start" "-a" "3cd3899030dc753d8528b3da3e2f7cafeeabd6e4dff48b8b854da093246b6d2f", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> 2_ctrl_flow/src/main.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use titlecase::{self}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `username` [INFO] [stderr] --> 4_structs/src/main.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | username: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> 4_structs/src/main.rs:31:10 [INFO] [stderr] | [INFO] [stderr] 31 | #[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: `sign_in_count` [INFO] [stderr] --> 4_structs/src/main.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | sign_in_count: i64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> 4_structs/src/main.rs:31:10 [INFO] [stderr] | [INFO] [stderr] 31 | #[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: `active` [INFO] [stderr] --> 4_structs/src/main.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | active: bool, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> 4_structs/src/main.rs:31:10 [INFO] [stderr] | [INFO] [stderr] 31 | #[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: associated function is never used: `is_active` [INFO] [stderr] --> 4_structs/src/main.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | fn is_active(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set_inactive` [INFO] [stderr] --> 4_structs/src/main.rs:46:8 [INFO] [stderr] | [INFO] [stderr] 46 | fn set_inactive(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `same_name` [INFO] [stderr] --> 4_structs/src/main.rs:50:8 [INFO] [stderr] | [INFO] [stderr] 50 | fn same_name(&self, u2: &User) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `default` [INFO] [stderr] --> 4_structs/src/main.rs:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | fn default(username: String, email: String) -> User { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Color` [INFO] [stderr] --> 4_structs/src/main.rs:77:8 [INFO] [stderr] | [INFO] [stderr] 77 | struct Color(i32, i32, i32); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> 4_structs/src/main.rs:78:8 [INFO] [stderr] | [INFO] [stderr] 78 | struct Point(i32, i32, i32); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `assign_tuple` [INFO] [stderr] --> 4_structs/src/main.rs:80:4 [INFO] [stderr] | [INFO] [stderr] 80 | fn assign_tuple(i1: i32, i2: i32, i3: i32) -> Color { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `ctrl_flow` (bin "ctrl_flow" test) generated 1 warning [INFO] [stderr] warning: `structs` (bin "structs" test) generated 10 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ctrl_flow-dfdbbc0ae8356d43) [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] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-a1de5ee20be4cabc) [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] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ownership-285a6fe13b728162) [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] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/structs-7fac49a804d59c1c) [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" "3cd3899030dc753d8528b3da3e2f7cafeeabd6e4dff48b8b854da093246b6d2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cd3899030dc753d8528b3da3e2f7cafeeabd6e4dff48b8b854da093246b6d2f", kill_on_drop: false }` [INFO] [stdout] 3cd3899030dc753d8528b3da3e2f7cafeeabd6e4dff48b8b854da093246b6d2f