[INFO] cloning repository https://github.com/hrodic/rust-book-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hrodic/rust-book-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrodic%2Frust-book-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrodic%2Frust-book-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 89477eae6028f5845b1e0afbad59f17442076e7f [INFO] testing hrodic/rust-book-playground against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrodic%2Frust-book-playground" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/hrodic/rust-book-playground [INFO] finished tweaking git repo https://github.com/hrodic/rust-book-playground [INFO] tweaked toml for git repo https://github.com/hrodic/rust-book-playground written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hrodic/rust-book-playground on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/hrodic/rust-book-playground 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb61ab064970fafe80389d24fef31fc198b15a74107d5743e2fb6246a6377fa5 [INFO] running `Command { std: "docker" "start" "-a" "bb61ab064970fafe80389d24fef31fc198b15a74107d5743e2fb6246a6377fa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb61ab064970fafe80389d24fef31fc198b15a74107d5743e2fb6246a6377fa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb61ab064970fafe80389d24fef31fc198b15a74107d5743e2fb6246a6377fa5", kill_on_drop: false }` [INFO] [stdout] bb61ab064970fafe80389d24fef31fc198b15a74107d5743e2fb6246a6377fa5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 83386a294165e60d00c94608b8ebfb7ccf9cb99793829b003bd0a8e3ed3a039c [INFO] running `Command { std: "docker" "start" "-a" "83386a294165e60d00c94608b8ebfb7ccf9cb99793829b003bd0a8e3ed3a039c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling rust-book v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/bin/structs/main.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | struct Color(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: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/bin/structs/main.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | struct Point(i16, i16, i16); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:154:13 [INFO] [stdout] | [INFO] [stdout] 150 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 154 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:169:13 [INFO] [stdout] | [INFO] [stdout] 166 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 169 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 170 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `username`, `content`, `reply`, and `retweet` are never read [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:240:13 [INFO] [stdout] | [INFO] [stdout] 239 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 240 | pub username: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 241 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 242 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 243 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:333:27 [INFO] [stdout] | [INFO] [stdout] 333 | fn first_word<'a>(s: &'a str) -> &str { [INFO] [stdout] | ^^ ---- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 333 | fn first_word<'a>(s: &'a str) -> &'a str { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/collections/main.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 46 - Int(i32), [INFO] [stdout] 46 + Int(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/collections/main.rs:47:15 [INFO] [stdout] | [INFO] [stdout] 47 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 47 - Float(f64), [INFO] [stdout] 47 + Float(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/collections/main.rs:48:14 [INFO] [stdout] | [INFO] [stdout] 48 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 48 - Text(String), [INFO] [stdout] 48 + Text(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.15s [INFO] running `Command { std: "docker" "inspect" "83386a294165e60d00c94608b8ebfb7ccf9cb99793829b003bd0a8e3ed3a039c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83386a294165e60d00c94608b8ebfb7ccf9cb99793829b003bd0a8e3ed3a039c", kill_on_drop: false }` [INFO] [stdout] 83386a294165e60d00c94608b8ebfb7ccf9cb99793829b003bd0a8e3ed3a039c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 775321c4fcc66742c9cf7493d85243fd235041f66a4e9ea6e11b8f236bcfb5ef [INFO] running `Command { std: "docker" "start" "-a" "775321c4fcc66742c9cf7493d85243fd235041f66a4e9ea6e11b8f236bcfb5ef", kill_on_drop: false }` [INFO] [stderr] Compiling rust-book v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/bin/structs/main.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | struct Color(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: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/bin/structs/main.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | struct Point(i16, i16, i16); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/collections/main.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 46 - Int(i32), [INFO] [stdout] 46 + Int(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/collections/main.rs:47:15 [INFO] [stdout] | [INFO] [stdout] 47 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 47 - Float(f64), [INFO] [stdout] 47 + Float(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/collections/main.rs:48:14 [INFO] [stdout] | [INFO] [stdout] 48 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 48 - Text(String), [INFO] [stdout] 48 + Text(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/bin/structs/main.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | struct Color(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: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/bin/structs/main.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | struct Point(i16, i16, i16); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/collections/main.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 46 - Int(i32), [INFO] [stdout] 46 + Int(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/collections/main.rs:47:15 [INFO] [stdout] | [INFO] [stdout] 47 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 47 - Float(f64), [INFO] [stdout] 47 + Float(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/collections/main.rs:48:14 [INFO] [stdout] | [INFO] [stdout] 48 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 48 - Text(String), [INFO] [stdout] 48 + Text(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:154:13 [INFO] [stdout] | [INFO] [stdout] 150 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 154 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:169:13 [INFO] [stdout] | [INFO] [stdout] 166 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 169 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 170 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `username`, `content`, `reply`, and `retweet` are never read [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:240:13 [INFO] [stdout] | [INFO] [stdout] 239 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 240 | pub username: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 241 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 242 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 243 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:333:27 [INFO] [stdout] | [INFO] [stdout] 333 | fn first_word<'a>(s: &'a str) -> &str { [INFO] [stdout] | ^^ ---- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 333 | fn first_word<'a>(s: &'a str) -> &'a str { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:154:13 [INFO] [stdout] | [INFO] [stdout] 150 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 154 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:169:13 [INFO] [stdout] | [INFO] [stdout] 166 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 169 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 170 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `username`, `content`, `reply`, and `retweet` are never read [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:240:13 [INFO] [stdout] | [INFO] [stdout] 239 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 240 | pub username: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 241 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 242 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 243 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:333:27 [INFO] [stdout] | [INFO] [stdout] 333 | fn first_word<'a>(s: &'a str) -> &str { [INFO] [stdout] | ^^ ---- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 333 | fn first_word<'a>(s: &'a str) -> &'a str { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "775321c4fcc66742c9cf7493d85243fd235041f66a4e9ea6e11b8f236bcfb5ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "775321c4fcc66742c9cf7493d85243fd235041f66a4e9ea6e11b8f236bcfb5ef", kill_on_drop: false }` [INFO] [stdout] 775321c4fcc66742c9cf7493d85243fd235041f66a4e9ea6e11b8f236bcfb5ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8cd4b70e959dfe1ddfbca51dab4ed83089e3d82a94b3143fe8cc1e0f9ce0aa79 [INFO] running `Command { std: "docker" "start" "-a" "8cd4b70e959dfe1ddfbca51dab4ed83089e3d82a94b3143fe8cc1e0f9ce0aa79", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/collections/main.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | Int(i32), [INFO] [stderr] | --- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 46 - Int(i32), [INFO] [stderr] 46 + Int(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/collections/main.rs:47:15 [INFO] [stderr] | [INFO] [stderr] 47 | Float(f64), [INFO] [stderr] | ----- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 47 - Float(f64), [INFO] [stderr] 47 + Float(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/collections/main.rs:48:14 [INFO] [stderr] | [INFO] [stderr] 48 | Text(String), [INFO] [stderr] | ---- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 48 - Text(String), [INFO] [stderr] 48 + Text(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `rust-book` (bin "collections" test) generated 3 warnings [INFO] [stderr] warning: field `content` is never read [INFO] [stderr] --> src/bin/generics_and_traits/main.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 150 | pub struct NewsArticle { [INFO] [stderr] | ----------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 154 | pub content: String, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `reply` and `retweet` are never read [INFO] [stderr] --> src/bin/generics_and_traits/main.rs:169:13 [INFO] [stderr] | [INFO] [stderr] 166 | pub struct Tweet { [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 169 | pub reply: bool, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 170 | pub retweet: bool, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `username`, `content`, `reply`, and `retweet` are never read [INFO] [stderr] --> src/bin/generics_and_traits/main.rs:240:13 [INFO] [stderr] | [INFO] [stderr] 239 | pub struct Tweet { [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] 240 | pub username: String, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 241 | pub content: String, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 242 | pub reply: bool, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 243 | pub retweet: bool, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/bin/generics_and_traits/main.rs:333:27 [INFO] [stderr] | [INFO] [stderr] 333 | fn first_word<'a>(s: &'a str) -> &str { [INFO] [stderr] | ^^ ---- the lifetime gets resolved as `'a` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 333 | fn first_word<'a>(s: &'a str) -> &'a str { [INFO] [stderr] | ++ [INFO] [stderr] [INFO] [stderr] warning: `rust-book` (bin "generics_and_traits" test) generated 4 warnings (run `cargo fix --bin "generics_and_traits" --tests` to apply 1 suggestion) [INFO] [stderr] warning: `rust-book` (bin "collections") generated 3 warnings (3 duplicates) [INFO] [stderr] warning: `rust-book` (bin "generics_and_traits") generated 4 warnings (4 duplicates) [INFO] [stderr] warning: fields `0`, `1`, and `2` are never read [INFO] [stderr] --> src/bin/structs/main.rs:76:18 [INFO] [stderr] | [INFO] [stderr] 76 | struct Color(i32, i32, i32); [INFO] [stderr] | ----- ^^^ ^^^ ^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing these fields [INFO] [stderr] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, and `2` are never read [INFO] [stderr] --> src/bin/structs/main.rs:78:18 [INFO] [stderr] | [INFO] [stderr] 78 | struct Point(i16, i16, i16); [INFO] [stderr] | ----- ^^^ ^^^ ^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing these fields [INFO] [stderr] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `rust-book` (bin "structs" test) generated 2 warnings [INFO] [stderr] warning: `rust-book` (bin "structs") generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_book-c6f30ba4b85abcc3) [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/branches/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/branches-9f22f44ca0b57b08) [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] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/collections/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/collections-7ccbd365b32f297d) [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/bin/enums/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/enums-85ce42649f94f2af) [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] [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] [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/bin/error_handling/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/error_handling-323e99bb89962e4a) [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/functions/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/functions-c6d6d8114a760e6f) [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/bin/generics_and_traits/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/generics_and_traits-b370b1f685cc7497) [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/bin/guessing_game/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/guessing_game-c7a0392b85d007b3) [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/bin/hello_world/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hello_world-8b9cb199f5fb98d0) [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/bin/ownership/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ownership-cb79a63ee7bcd415) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/references/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/references-5ed96aea7d62b792) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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/bin/restaurant/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/restaurant-e6acbab30af5a80c) [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/bin/slices/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/slices-d974265566f5ae54) [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/bin/structs/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/structs-092f1a1347b61585) [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/bin/variables/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/variables-54b966f9dc0e8659) [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/bin/writing_tests/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/writing_tests-6d3db1d78aa7359a) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::it_adds_two ... ok [INFO] [stdout] test tests::larger_can_hold_smaller ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::using_result_in_tests ... ok [INFO] [stdout] test tests::greeting_contains_name ... ok [INFO] [stdout] test tests::it_panics - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running tests/integration_test.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/integration_test-a77520ec768164af) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test it_adds_two ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8cd4b70e959dfe1ddfbca51dab4ed83089e3d82a94b3143fe8cc1e0f9ce0aa79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cd4b70e959dfe1ddfbca51dab4ed83089e3d82a94b3143fe8cc1e0f9ce0aa79", kill_on_drop: false }` [INFO] [stdout] 8cd4b70e959dfe1ddfbca51dab4ed83089e3d82a94b3143fe8cc1e0f9ce0aa79