[INFO] cloning repository https://github.com/25ma/rust_book [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/25ma/rust_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F25ma%2Frust_book", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F25ma%2Frust_book'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 394ead8eec2d526c01474e85a7fe7e595b97d712 [INFO] testing 25ma/rust_book against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F25ma%2Frust_book" "/workspace/builds/worker-21/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/25ma/rust_book on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/25ma/rust_book [INFO] finished tweaking git repo https://github.com/25ma/rust_book [INFO] tweaked toml for git repo https://github.com/25ma/rust_book written to /workspace/builds/worker-21/source/Cargo.toml [INFO] crate git repo https://github.com/25ma/rust_book already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f8c82ad41751195b2f526d7f98be3b5406e32e0b503be51c0db52dc063633bb3 [INFO] running `Command { std: "docker" "start" "-a" "f8c82ad41751195b2f526d7f98be3b5406e32e0b503be51c0db52dc063633bb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8c82ad41751195b2f526d7f98be3b5406e32e0b503be51c0db52dc063633bb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8c82ad41751195b2f526d7f98be3b5406e32e0b503be51c0db52dc063633bb3", kill_on_drop: false }` [INFO] [stdout] f8c82ad41751195b2f526d7f98be3b5406e32e0b503be51c0db52dc063633bb3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de5ed30c8c5db89713d45ed1984f9103a975b8062cd55d14941d10bd33b9cee1 [INFO] running `Command { std: "docker" "start" "-a" "de5ed30c8c5db89713d45ed1984f9103a975b8062cd55d14941d10bd33b9cee1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling getrandom v0.2.4 [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: field is never read: `active` [INFO] [stdout] --> src/05_structs/defining_structs.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | active: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `username` [INFO] [stdout] --> src/05_structs/defining_structs.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | username: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `email` [INFO] [stdout] --> src/05_structs/defining_structs.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | email: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sign_in_count` [INFO] [stdout] --> src/05_structs/defining_structs.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/03_common_programming_concepts/function.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | let mut x = 5 + 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/03_common_programming_concepts/function.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut x = 5 + 1; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `kind` [INFO] [stdout] --> src/06_enums/defining_enum.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | kind: IpAddrKind, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `address` [INFO] [stdout] --> src/06_enums/defining_enum.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.30s [INFO] running `Command { std: "docker" "inspect" "de5ed30c8c5db89713d45ed1984f9103a975b8062cd55d14941d10bd33b9cee1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de5ed30c8c5db89713d45ed1984f9103a975b8062cd55d14941d10bd33b9cee1", kill_on_drop: false }` [INFO] [stdout] de5ed30c8c5db89713d45ed1984f9103a975b8062cd55d14941d10bd33b9cee1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9cb1e33539c7299a43920363ccda60f40bd0b7524dfc53cd761cef612cc00881 [INFO] running `Command { std: "docker" "start" "-a" "9cb1e33539c7299a43920363ccda60f40bd0b7524dfc53cd761cef612cc00881", kill_on_drop: false }` [INFO] [stderr] Compiling rust_book v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/03_common_programming_concepts/function.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | let mut x = 5 + 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/03_common_programming_concepts/function.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut x = 5 + 1; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "9cb1e33539c7299a43920363ccda60f40bd0b7524dfc53cd761cef612cc00881", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cb1e33539c7299a43920363ccda60f40bd0b7524dfc53cd761cef612cc00881", kill_on_drop: false }` [INFO] [stdout] 9cb1e33539c7299a43920363ccda60f40bd0b7524dfc53cd761cef612cc00881 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 581d02350fa07283887315b3656d6e155e030be084b484ae91369c7ae9d22569 [INFO] running `Command { std: "docker" "start" "-a" "581d02350fa07283887315b3656d6e155e030be084b484ae91369c7ae9d22569", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: unused variable: `x` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/03_common_programming_concepts/function.rs:10:17 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 10 | let mut x = 5 + 1; [INFO] [stdout] [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] [INFO] [stderr] --> src/03_common_programming_concepts/function.rs:10:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] 10 | let mut x = 5 + 1; [INFO] [stdout] [INFO] [stderr] | ----^ [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] | help: remove this `mut` [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] warning: `rust_book` (bin "function" test) generated 2 warnings [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/control_flow-07872d307431ae8e) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/data_type-6dc7e333b0fa405c) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/defining_enum-aa25099d1febd177) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/defining_structs-aeb74a145b164824) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/example_structs-74d976c75c08e9ca) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/function-a8c218e80f34ae9d) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/guessing_game-292109b1da6e3c83) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hash_maps-d8202a9915175137) [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 (/opt/rustwide/target/debug/deps/hello_world-b6ca4edcbda3c2a2) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/if_let-682bf409d4e0effb) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/match-95acbbf301977556) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/method_syntax-12afb7ff9f97ab9c) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/slice-b685322555cee46f) [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 (/opt/rustwide/target/debug/deps/unrecoverable_errors_with_panic-6bb168b5ee8a9811) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/unrecoverable_errors_with_result-7018cedffa4fbdfe) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/variables-d51f765e03535d1c) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/what_is_ownership-309432e6d2ff6957) [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] running `Command { std: "docker" "inspect" "581d02350fa07283887315b3656d6e155e030be084b484ae91369c7ae9d22569", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "581d02350fa07283887315b3656d6e155e030be084b484ae91369c7ae9d22569", kill_on_drop: false }` [INFO] [stdout] 581d02350fa07283887315b3656d6e155e030be084b484ae91369c7ae9d22569