[INFO] fetching crate the_book 0.1.0...
[INFO] testing the_book-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate the_book 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate the_book 0.1.0
[INFO] finished tweaking crates.io crate the_book 0.1.0
[INFO] tweaked toml for crates.io crate the_book 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate the_book 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate the_book 0.1.0 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" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b968393f5ee8cb1a8adb7e1386d72f95a9433eba8da1d647bc85711c49c82d7c
[INFO] running `Command { std: "docker" "start" "-a" "b968393f5ee8cb1a8adb7e1386d72f95a9433eba8da1d647bc85711c49c82d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b968393f5ee8cb1a8adb7e1386d72f95a9433eba8da1d647bc85711c49c82d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b968393f5ee8cb1a8adb7e1386d72f95a9433eba8da1d647bc85711c49c82d7c", kill_on_drop: false }`
[INFO] [stdout] b968393f5ee8cb1a8adb7e1386d72f95a9433eba8da1d647bc85711c49c82d7c
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be30531005da49f363c5ed5b951efb95738874a603fc17c40821f5cfb1362890
[INFO] running `Command { std: "docker" "start" "-a" "be30531005da49f363c5ed5b951efb95738874a603fc17c40821f5cfb1362890", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling the_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fruit_salad` is never read
[INFO] [stdout]   --> src/bin/ch-7-managing-projects-with-package-crate-module/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Breakfast {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 36 |     pub toast: String,
[INFO] [stdout] 37 |     fruit_salad: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Breakfast` 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: unnecessary trailing semicolon
[INFO] [stdout]  --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 83 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/bin/ch-14-more-about-cargo-and-crates-io/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         IP4(u8, u8, u8, u8),
[INFO] [stdout]    |         --- ^^  ^^  ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddress` 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 fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 18 -         IP4(u8, u8, u8, u8),
[INFO] [stdout] 18 +         IP4((), (), (), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         IP6(String),
[INFO] [stdout]    |         --- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddress` 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] 19 -         IP6(String),
[INFO] [stdout] 19 +         IP6(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-8-common-collections/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/bin/ch-5-using-struct-to-structure-related-data/main.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]   --> src/bin/ch-5-using-struct-to-structure-related-data/main.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     struct Point(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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `u32` to itself
[INFO] [stdout]   --> src/bin/ch-13-iterators-and-closures/iterator.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         item = item;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/ch-8-common-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: `#[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/ch-8-common-collections/main.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Text(String),
[INFO] [stdout]    |         ---- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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 -         Text(String),
[INFO] [stdout] 47 +         Text(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "be30531005da49f363c5ed5b951efb95738874a603fc17c40821f5cfb1362890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be30531005da49f363c5ed5b951efb95738874a603fc17c40821f5cfb1362890", kill_on_drop: false }`
[INFO] [stdout] be30531005da49f363c5ed5b951efb95738874a603fc17c40821f5cfb1362890
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 372cc3590c41e1acbe81a6f270b8146a9fcd9b62c697685b785355cdb681e2f5
[INFO] running `Command { std: "docker" "start" "-a" "372cc3590c41e1acbe81a6f270b8146a9fcd9b62c697685b785355cdb681e2f5", kill_on_drop: false }`
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/bin/ch-14-more-about-cargo-and-crates-io/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling the_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/bin/ch-5-using-struct-to-structure-related-data/main.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-8-common-collections/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 83 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/bin/ch-5-using-struct-to-structure-related-data/main.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]   --> src/bin/ch-5-using-struct-to-structure-related-data/main.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     struct Point(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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         IP4(u8, u8, u8, u8),
[INFO] [stdout]    |         --- ^^  ^^  ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddress` 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 fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 18 -         IP4(u8, u8, u8, u8),
[INFO] [stdout] 18 +         IP4((), (), (), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         IP6(String),
[INFO] [stdout]    |         --- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddress` 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] 19 -         IP6(String),
[INFO] [stdout] 19 +         IP6(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fruit_salad` is never read
[INFO] [stdout]   --> src/bin/ch-7-managing-projects-with-package-crate-module/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Breakfast {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 36 |     pub toast: String,
[INFO] [stdout] 37 |     fruit_salad: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Breakfast` 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: found module declaration for lib.rs
[INFO] [stdout]  --> src/bin/ch-14-more-about-cargo-and-crates-io/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `u32` to itself
[INFO] [stdout]   --> src/bin/ch-13-iterators-and-closures/iterator.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         item = item;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-8-common-collections/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/ch-8-common-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: `#[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/ch-8-common-collections/main.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Text(String),
[INFO] [stdout]    |         ---- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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 -         Text(String),
[INFO] [stdout] 47 +         Text(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `u32` to itself
[INFO] [stdout]   --> src/bin/ch-13-iterators-and-closures/iterator.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         item = item;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 83 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fruit_salad` is never read
[INFO] [stdout]   --> src/bin/ch-7-managing-projects-with-package-crate-module/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Breakfast {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 36 |     pub toast: String,
[INFO] [stdout] 37 |     fruit_salad: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Breakfast` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "372cc3590c41e1acbe81a6f270b8146a9fcd9b62c697685b785355cdb681e2f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372cc3590c41e1acbe81a6f270b8146a9fcd9b62c697685b785355cdb681e2f5", kill_on_drop: false }`
[INFO] [stdout] 372cc3590c41e1acbe81a6f270b8146a9fcd9b62c697685b785355cdb681e2f5
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff9abd52522e5a7181d086675de7c4b37ebec32c35a807da65ede8ee59c4db8b
[INFO] running `Command { std: "docker" "start" "-a" "ff9abd52522e5a7181d086675de7c4b37ebec32c35a807da65ede8ee59c4db8b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]  --> src/bin/ch-5-using-struct-to-structure-related-data/main.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 |     };
[INFO] [stderr]   |      ^ help: remove this semicolon
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `the_book` (bin "ch-5-using-struct-to-structure-related-data" test) generated 1 warning
[INFO] [stderr] warning: found module declaration for lib.rs
[INFO] [stderr]  --> src/bin/ch-14-more-about-cargo-and-crates-io/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod lib;
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: lib.rs is the root of this crate's library target
[INFO] [stderr]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stderr]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `the_book` (bin "ch-14-more-about-cargo-and-crates-io" test) generated 1 warning
[INFO] [stderr] warning: useless assignment of variable of type `u32` to itself
[INFO] [stderr]   --> src/bin/ch-13-iterators-and-closures/iterator.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         item = item;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/bin/ch-8-common-collections/main.rs:48:6
[INFO] [stderr]    |
[INFO] [stderr] 48 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/bin/ch-8-common-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: `#[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/ch-8-common-collections/main.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Text(String),
[INFO] [stderr]    |         ---- ^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[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 -         Text(String),
[INFO] [stderr] 47 +         Text(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `the_book` (bin "ch-13-iterators-and-closures") generated 1 warning
[INFO] [stderr] warning: `the_book` (bin "ch-8-common-collections") generated 3 warnings
[INFO] [stderr] warning: `the_book` (bin "ch-14-more-about-cargo-and-crates-io") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `the_book` (bin "ch-13-iterators-and-closures" test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: field `fruit_salad` is never read
[INFO] [stderr]   --> src/bin/ch-7-managing-projects-with-package-crate-module/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct Breakfast {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 36 |     pub toast: String,
[INFO] [stderr] 37 |     fruit_salad: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Breakfast` 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: unnecessary trailing semicolon
[INFO] [stderr]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 20 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:45:6
[INFO] [stderr]    |
[INFO] [stderr] 45 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:52:6
[INFO] [stderr]    |
[INFO] [stderr] 52 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:76:6
[INFO] [stderr]    |
[INFO] [stderr] 76 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stderr]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         IP4(u8, u8, u8, u8),
[INFO] [stderr]    |         --- ^^  ^^  ^^  ^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `IpAddress` 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 fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]    |
[INFO] [stderr] 18 -         IP4(u8, u8, u8, u8),
[INFO] [stderr] 18 +         IP4((), (), (), ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         IP6(String),
[INFO] [stderr]    |         --- ^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `IpAddress` 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] 19 -         IP6(String),
[INFO] [stderr] 19 +         IP6(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `the_book` (bin "ch-7-managing-projects-with-package-crate-module" test) generated 1 warning
[INFO] [stderr] warning: `the_book` (bin "ch-6-enums-and-pattern-matching") generated 6 warnings
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]  --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 |     };
[INFO] [stderr]   |      ^ help: remove this semicolon
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] 
[INFO] [stderr]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:48:6
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 48 |     };
[INFO] [stdout] 
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:70:6
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 70 |     };
[INFO] [stdout] running 1 test
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stdout] test module1::ch11_writing_tests::ajoute_2_test ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:78:6
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr] 78 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:83:6
[INFO] [stderr]    |
[INFO] [stderr] 83 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `the_book` (bin "ch-10-generic-types-traits-lifetimes") generated 6 warnings
[INFO] [stderr] warning: `the_book` (bin "ch-10-generic-types-traits-lifetimes" test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: `the_book` (bin "ch-6-enums-and-pattern-matching" test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: `the_book` (bin "ch-7-managing-projects-with-package-crate-module") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `the_book` (bin "ch-8-common-collections" test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: fields `1` and `2` are never read
[INFO] [stderr]   --> src/bin/ch-5-using-struct-to-structure-related-data/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     struct Point(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: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `the_book` (bin "ch-5-using-struct-to-structure-related-data") generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/the_book-4330620a98e688df)
[INFO] [stderr]      Running unittests src/bin/ch-10-generic-types-traits-lifetimes/main.rs (/opt/rustwide/target/debug/deps/ch_10_generic_types_traits_lifetimes-a1792de6a3c025be)
[INFO] [stderr]      Running unittests src/bin/ch-11-writing-automated-test/main.rs (/opt/rustwide/target/debug/deps/ch_11_writing_automated_test-bc5d81bf07139bd8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test module1::test::search_test ... 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 3 tests
[INFO] [stdout] test closure::test::cacherx_n_est_pas_recalcule ... ok
[INFO] [stderr]      Running unittests src/bin/ch-12-an-io-project-building-a-command-line-project/main.rs (/opt/rustwide/target/debug/deps/ch_12_an_io_project_building_a_command_line_project-388f78443c88ed1f)
[INFO] [stdout] test closure::test::une_closure_prend_les_variables_de_son_scope ... ok
[INFO] [stderr]      Running unittests src/bin/ch-13-iterators-and-closures/main.rs (/opt/rustwide/target/debug/deps/ch_13_iterators_and_closures-f02828972aac083a)
[INFO] [stdout] test iterator::test::counter_test ... ok
[INFO] [stderr]      Running unittests src/bin/ch-14-more-about-cargo-and-crates-io/main.rs (/opt/rustwide/target/debug/deps/ch_14_more_about_cargo_and_crates_io-60ec691bb41ad3e1)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ch-2-programming-a-guessing-game/main.rs (/opt/rustwide/target/debug/deps/ch_2_programming_a_guessing_game-f801f79a0b0c1343)
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/bin/ch-3-variables-and-mutability-dont-les-primitive-types/main.rs (/opt/rustwide/target/debug/deps/ch_3_variables_and_mutability_dont_les_primitive_types-d61faf09535c74a4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ch-4-understand-ownership/main.rs (/opt/rustwide/target/debug/deps/ch_4_understand_ownership-5c6dfc414bf73034)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ch-5-using-struct-to-structure-related-data/main.rs (/opt/rustwide/target/debug/deps/ch_5_using_struct_to_structure_related_data-2375ce8401fbcf48)
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/bin/ch-6-enums-and-pattern-matching/main.rs (/opt/rustwide/target/debug/deps/ch_6_enums_and_pattern_matching-3de85aec0f3de0ce)
[INFO] [stdout] test lib::test::add_one_test ... ok
[INFO] [stderr]      Running unittests src/bin/ch-7-managing-projects-with-package-crate-module/main.rs (/opt/rustwide/target/debug/deps/ch_7_managing_projects_with_package_crate_module-d3b59446ac342ae5)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ch-8-common-collections/main.rs (/opt/rustwide/target/debug/deps/ch_8_common_collections-005db30cabf2752e)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/bin/ch-9-error-handling/main.rs (/opt/rustwide/target/debug/deps/ch_9_error_handling-aaf93430f81b2fbb)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/the_book-a9fbb548cfb1bc01)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-8d9f05c9943ed185)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests the_book
[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] [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 1 test
[INFO] [stdout] test test_integration ... 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 1 test
[INFO] [stdout] test src/lib.rs - add_two (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff9abd52522e5a7181d086675de7c4b37ebec32c35a807da65ede8ee59c4db8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9abd52522e5a7181d086675de7c4b37ebec32c35a807da65ede8ee59c4db8b", kill_on_drop: false }`
[INFO] [stdout] ff9abd52522e5a7181d086675de7c4b37ebec32c35a807da65ede8ee59c4db8b
