[INFO] cloning repository https://github.com/khatriamit/rust-activities-2022 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khatriamit/rust-activities-2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhatriamit%2Frust-activities-2022", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhatriamit%2Frust-activities-2022'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a98c1a1c5f1858788f14eb2c3d02d0aa701c3277 [INFO] checking khatriamit/rust-activities-2022 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhatriamit%2Frust-activities-2022" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/khatriamit/rust-activities-2022 [INFO] finished tweaking git repo https://github.com/khatriamit/rust-activities-2022 [INFO] tweaked toml for git repo https://github.com/khatriamit/rust-activities-2022 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/khatriamit/rust-activities-2022 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/khatriamit/rust-activities-2022 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sha256 v1.1.2 [INFO] [stderr] Downloaded keccak-hash v0.10.0 [INFO] [stderr] Downloaded libc v0.2.140 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f18363d1b74453da0f1e11f6b480742b45e0c900cd14f29164a4a02a77531305 [INFO] running `Command { std: "docker" "start" "-a" "f18363d1b74453da0f1e11f6b480742b45e0c900cd14f29164a4a02a77531305", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f18363d1b74453da0f1e11f6b480742b45e0c900cd14f29164a4a02a77531305", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f18363d1b74453da0f1e11f6b480742b45e0c900cd14f29164a4a02a77531305", kill_on_drop: false }` [INFO] [stdout] f18363d1b74453da0f1e11f6b480742b45e0c900cd14f29164a4a02a77531305 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d6e685141f26513c35c1e644d1d86482b2e931e2d7bb55800e192828707235ea [INFO] running `Command { std: "docker" "start" "-a" "d6e685141f26513c35c1e644d1d86482b2e931e2d7bb55800e192828707235ea", kill_on_drop: false }` [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking cpufeatures v0.2.5 [INFO] [stderr] Checking fixed-hash v0.8.0 [INFO] [stderr] Checking uint v0.9.5 [INFO] [stderr] Checking primitive-types v0.12.1 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking sha2 v0.9.9 [INFO] [stderr] Checking sha256 v1.1.2 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking keccak-hash v0.10.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking activites v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0106]: missing lifetime specifier [INFO] [stdout] --> src/bin/16_lifetime.rs:45:50 [INFO] [stdout] | [INFO] [stdout] 45 | fn some_fn(first_str: &str, second_str: &str) -> &str { [INFO] [stdout] | ---- ---- ^ expected named lifetime parameter [INFO] [stdout] | [INFO] [stdout] = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `first_str` or `second_str` [INFO] [stdout] help: consider introducing a named lifetime parameter [INFO] [stdout] | [INFO] [stdout] 45 | fn some_fn<'a>(first_str: &'a str, second_str: &'a str) -> &'a str { [INFO] [stdout] | ++++ ++ ++ ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/bin/02_match.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut grade = 'N'; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/bin/a9.rs:76:33 [INFO] [stdout] | [INFO] [stdout] 76 | fn _example<'a, 'b>(x: &'a str, y: &'b str) -> &'a str { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/bin/a9.rs:10:20 [INFO] [stdout] | [INFO] [stdout] 10 | struct Coordinates(i32, i32, i32); [INFO] [stdout] | ----------- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnitStruct` is never constructed [INFO] [stdout] --> src/bin/a9.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct UnitStruct; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0106`. [INFO] [stdout] [INFO] [stdout] warning: fields `citizenship` and `salary` are never read [INFO] [stdout] --> src/bin/09_triaits.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Person { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 8 | citizenship: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | salary: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/20_functions.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let mut f = min; [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 does not need to be mutable [INFO] [stdout] --> src/bin/20_functions.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut f = max; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `country_info` is never used [INFO] [stdout] --> src/bin/09_triaits.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 30 | trait GeneralInfo { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 31 | fn info(&self) -> (&str, u8, char); [INFO] [stdout] 32 | fn country_info(&self) -> &str; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `activites` (bin "16_lifetime") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: value assigned to `grade` is never read [INFO] [stdout] --> src/bin/02_match.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut grade = 'N'; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `second_str` [INFO] [stdout] --> src/bin/17_lifetime.rs:11:40 [INFO] [stdout] | [INFO] [stdout] 11 | fn some_fn<'a, 'b>(first_str: &'a str, second_str: &'b str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/bin/17_lifetime.rs:15:28 [INFO] [stdout] | [INFO] [stdout] 15 | fn greater<'a>(i: &'a i32, j: i32) -> &'a i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result1` [INFO] [stdout] --> src/bin/17_lifetime.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let result1 = greater1(&int1, &int2); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greater` is never used [INFO] [stdout] --> src/bin/17_lifetime.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn greater<'a>(i: &'a i32, j: i32) -> &'a i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `age` is never read [INFO] [stdout] --> src/bin/17_lifetime.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 27 | struct Person<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 28 | name: &'a str, [INFO] [stdout] 29 | age: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d6e685141f26513c35c1e644d1d86482b2e931e2d7bb55800e192828707235ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6e685141f26513c35c1e644d1d86482b2e931e2d7bb55800e192828707235ea", kill_on_drop: false }` [INFO] [stdout] d6e685141f26513c35c1e644d1d86482b2e931e2d7bb55800e192828707235ea