[INFO] cloning repository https://github.com/NikosEfthias/rust-lessons-code [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NikosEfthias/rust-lessons-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikosEfthias%2Frust-lessons-code"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikosEfthias%2Frust-lessons-code'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 85e333d4fe442602b75f5ef9df5c9d0634970e9c [INFO] checking NikosEfthias/rust-lessons-code against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikosEfthias%2Frust-lessons-code" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NikosEfthias/rust-lessons-code on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/NikosEfthias/rust-lessons-code [INFO] finished tweaking git repo https://github.com/NikosEfthias/rust-lessons-code [INFO] tweaked toml for git repo https://github.com/NikosEfthias/rust-lessons-code written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/NikosEfthias/rust-lessons-code already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d5b38cb4e718c2e8d217d94dbec62500b194701a386e5056a642695817bf6272 [INFO] running `"docker" "start" "-a" "d5b38cb4e718c2e8d217d94dbec62500b194701a386e5056a642695817bf6272"` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling curl v0.4.22 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling chttp v0.4.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling libnghttp2-sys v0.1.1 [INFO] [stderr] Checking futures-core-preview v0.2.3 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.8 [INFO] [stderr] Checking log v0.4.7 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Checking futures-channel-preview v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Checking futures-sink-preview v0.2.2 [INFO] [stderr] Compiling openssl-sys v0.9.48 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling curl-sys v0.4.20 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking socket2 v0.3.9 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking futures-io-preview v0.2.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking futures-util-preview v0.2.2 [INFO] [stderr] Checking crossbeam v0.7.1 [INFO] [stderr] Checking http v0.1.17 [INFO] [stderr] Checking chrono v0.4.7 [INFO] [stderr] Checking futures-executor-preview v0.2.2 [INFO] [stderr] Checking regex v1.1.9 [INFO] [stderr] Checking futures-stable-preview v0.2.3 [INFO] [stderr] Checking futures-async-runtime-preview v0.2.3 [INFO] [stderr] Checking futures-preview v0.2.2 [INFO] [stderr] Compiling withers_derive v0.2.0 [INFO] [stderr] Checking repo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/traits.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let mut my_money = Currency::new(12, 50); [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: method is never used: `add` [INFO] [stderr] --> src/traits.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | fn add(&self, c: &Currency) -> Self [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_mut` [INFO] [stderr] --> src/traits.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | fn add_mut(&mut self, c: &Currency) -> &Self [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: field is never read: `phone` [INFO] [stderr] --> src/structs.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | phone: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/traits.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let mut my_money = Currency::new(12, 50); [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: field is never read: `phone` [INFO] [stderr] --> src/structs.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | phone: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add` [INFO] [stderr] --> src/traits.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | fn add(&self, c: &Currency) -> Self [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_mut` [INFO] [stderr] --> src/traits.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | fn add_mut(&mut self, c: &Currency) -> &Self [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `IpError::*` [INFO] [stderr] --> src/enums.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | use IpError::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `IpError::*` [INFO] [stderr] --> src/enums.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | use IpError::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Yerel` [INFO] [stderr] --> src/enums.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | Yerel(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Yerel` [INFO] [stderr] --> src/enums.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | Yerel(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `"docker" "inspect" "d5b38cb4e718c2e8d217d94dbec62500b194701a386e5056a642695817bf6272"` [INFO] running `"docker" "rm" "-f" "d5b38cb4e718c2e8d217d94dbec62500b194701a386e5056a642695817bf6272"` [INFO] [stdout] d5b38cb4e718c2e8d217d94dbec62500b194701a386e5056a642695817bf6272