[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#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrodic%2Frust-book-playground" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hrodic/rust-book-playground on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00c51859f9d118cef142a748c074314314eb22d350e5b0508c2f2f2e8fc3c082 [INFO] running `Command { std: "docker" "start" "-a" "00c51859f9d118cef142a748c074314314eb22d350e5b0508c2f2f2e8fc3c082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00c51859f9d118cef142a748c074314314eb22d350e5b0508c2f2f2e8fc3c082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00c51859f9d118cef142a748c074314314eb22d350e5b0508c2f2f2e8fc3c082", kill_on_drop: false }` [INFO] [stdout] 00c51859f9d118cef142a748c074314314eb22d350e5b0508c2f2f2e8fc3c082 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17d22be3e299aea9800282741b5c34fcb431538830c3a3f51931133ed12874fb [INFO] running `Command { std: "docker" "start" "-a" "17d22be3e299aea9800282741b5c34fcb431538830c3a3f51931133ed12874fb", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:333:38 [INFO] [stdout] | [INFO] [stdout] 333 | fn first_word<'a>(s: &'a str) -> &str { [INFO] [stdout] | -- ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: 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)]` (part of `#[warn(unused)]`) 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 5.87s [INFO] running `Command { std: "docker" "inspect" "17d22be3e299aea9800282741b5c34fcb431538830c3a3f51931133ed12874fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17d22be3e299aea9800282741b5c34fcb431538830c3a3f51931133ed12874fb", kill_on_drop: false }` [INFO] [stdout] 17d22be3e299aea9800282741b5c34fcb431538830c3a3f51931133ed12874fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 118e6817b952acbb5fb1e65e213a1d16e7e3413917c79699f4ad077bfdbd14b7 [INFO] running `Command { std: "docker" "start" "-a" "118e6817b952acbb5fb1e65e213a1d16e7e3413917c79699f4ad077bfdbd14b7", kill_on_drop: false }` [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)]` (part of `#[warn(unused)]`) 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: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:333:38 [INFO] [stdout] | [INFO] [stdout] 333 | fn first_word<'a>(s: &'a str) -> &str { [INFO] [stdout] | -- ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: 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] Compiling rust-book v0.1.0 (/opt/rustwide/workdir) [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/bin/generics_and_traits/main.rs:333:38 [INFO] [stdout] | [INFO] [stdout] 333 | fn first_word<'a>(s: &'a str) -> &str { [INFO] [stdout] | -- ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: 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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `Command { std: "docker" "inspect" "118e6817b952acbb5fb1e65e213a1d16e7e3413917c79699f4ad077bfdbd14b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "118e6817b952acbb5fb1e65e213a1d16e7e3413917c79699f4ad077bfdbd14b7", kill_on_drop: false }` [INFO] [stdout] 118e6817b952acbb5fb1e65e213a1d16e7e3413917c79699f4ad077bfdbd14b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ff70f8d5377e07059bc1e1755d95ecb3eddf3bd167eb65261d1d0a1f71f748a7 [INFO] running `Command { std: "docker" "start" "-a" "ff70f8d5377e07059bc1e1755d95ecb3eddf3bd167eb65261d1d0a1f71f748a7", kill_on_drop: false }` [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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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: eliding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/bin/generics_and_traits/main.rs:333:38 [INFO] [stderr] | [INFO] [stderr] 333 | fn first_word<'a>(s: &'a str) -> &str { [INFO] [stderr] | -- ^^^^ the same lifetime is elided here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is named here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: 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: 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)]` (part of `#[warn(unused)]`) 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: `rust-book` (bin "generics_and_traits") generated 4 warnings (4 duplicates) [INFO] [stderr] warning: `rust-book` (bin "collections") generated 3 warnings (3 duplicates) [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/debug/deps/rust_book-4c40c1544adcee1a) [INFO] [stderr] Running unittests src/bin/branches/main.rs (/opt/rustwide/target/debug/deps/branches-2173d835f3c031e6) [INFO] [stderr] Running unittests src/bin/collections/main.rs (/opt/rustwide/target/debug/deps/collections-a6fcecf0374f1fe3) [INFO] [stderr] Running unittests src/bin/enums/main.rs (/opt/rustwide/target/debug/deps/enums-739e28a6bc9c5db2) [INFO] [stderr] Running unittests src/bin/error_handling/main.rs (/opt/rustwide/target/debug/deps/error_handling-08ce7aab7d3f4e33) [INFO] [stderr] Running unittests src/bin/functions/main.rs (/opt/rustwide/target/debug/deps/functions-5c7184185b8779c0) [INFO] [stderr] Running unittests src/bin/generics_and_traits/main.rs (/opt/rustwide/target/debug/deps/generics_and_traits-86b3a5f0508ca165) [INFO] [stderr] Running unittests src/bin/guessing_game/main.rs (/opt/rustwide/target/debug/deps/guessing_game-fe1e30b9a38f62e1) [INFO] [stderr] Running unittests src/bin/hello_world/main.rs (/opt/rustwide/target/debug/deps/hello_world-a907c9361652f287) [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] [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] [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/ownership/main.rs (/opt/rustwide/target/debug/deps/ownership-ed8421b5c1227653) [INFO] [stderr] Running unittests src/bin/references/main.rs (/opt/rustwide/target/debug/deps/references-dbdde480dbcb577c) [INFO] [stderr] Running unittests src/bin/restaurant/main.rs (/opt/rustwide/target/debug/deps/restaurant-1b09593b8f34e209) [INFO] [stderr] Running unittests src/bin/slices/main.rs (/opt/rustwide/target/debug/deps/slices-39ce8c2ccc855092) [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] [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] [stderr] Running unittests src/bin/structs/main.rs (/opt/rustwide/target/debug/deps/structs-8fcfda68f0dda388) [INFO] [stderr] Running unittests src/bin/variables/main.rs (/opt/rustwide/target/debug/deps/variables-c106d3f8e4aa4024) [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/writing_tests/main.rs (/opt/rustwide/target/debug/deps/writing_tests-9017243b1128804f) [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::using_result_in_tests ... ok [INFO] [stdout] test tests::it_works ... 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 0.02s [INFO] [stdout] [INFO] [stderr] Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-2374dfebdd3679c1) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests rust_book [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] [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" "ff70f8d5377e07059bc1e1755d95ecb3eddf3bd167eb65261d1d0a1f71f748a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff70f8d5377e07059bc1e1755d95ecb3eddf3bd167eb65261d1d0a1f71f748a7", kill_on_drop: false }` [INFO] [stdout] ff70f8d5377e07059bc1e1755d95ecb3eddf3bd167eb65261d1d0a1f71f748a7