[INFO] fetching crate briliang_exercise 0.1.0... [INFO] checking briliang_exercise-0.1.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] extracting crate briliang_exercise 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate briliang_exercise 0.1.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate briliang_exercise 0.1.0 [INFO] finished tweaking crates.io crate briliang_exercise 0.1.0 [INFO] tweaked toml for crates.io crate briliang_exercise 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a44892888c4b7a8d7eddb1741e9a5e7e616f5e5f3aed4195598e92bcb0610620 [INFO] running `Command { std: "docker" "start" "-a" "a44892888c4b7a8d7eddb1741e9a5e7e616f5e5f3aed4195598e92bcb0610620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a44892888c4b7a8d7eddb1741e9a5e7e616f5e5f3aed4195598e92bcb0610620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a44892888c4b7a8d7eddb1741e9a5e7e616f5e5f3aed4195598e92bcb0610620", kill_on_drop: false }` [INFO] [stdout] a44892888c4b7a8d7eddb1741e9a5e7e616f5e5f3aed4195598e92bcb0610620 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65e428634e40e5b606c377974afbd779f9f73e63fc87221375708235a789d832 [INFO] running `Command { std: "docker" "start" "-a" "65e428634e40e5b606c377974afbd779f9f73e63fc87221375708235a789d832", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking briliang_exercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> tests/structure/mod.rs:78:22 [INFO] [stdout] | [INFO] [stdout] 78 | struct Car {}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/functional_feature/mod.rs:225:13 [INFO] [stdout] | [INFO] [stdout] 225 | let mut counter = Counter::new(); [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] --> tests/enums/mod.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | 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] --> tests/enums/mod.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> tests/enums/mod.rs:57:20 [INFO] [stdout] | [INFO] [stdout] 57 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> tests/enums/mod.rs:57:28 [INFO] [stdout] | [INFO] [stdout] 57 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `seasonal_fruit` [INFO] [stdout] --> tests/module/mod.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | seasonal_fruit: String [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> tests/generic_trait_lifetime/mod.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> tests/generic_trait_lifetime/mod.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | y: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> tests/generic_trait_lifetime/mod.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> tests/generic_trait_lifetime/mod.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | y: U, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> tests/generic_trait_lifetime/mod.rs:355:9 [INFO] [stdout] | [INFO] [stdout] 355 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> tests/integration_test.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | value: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> tests/collections/mod.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | &hello[0..1]; [INFO] [stdout] | ^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 140 | let _ = &hello[0..1]; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.36s [INFO] running `Command { std: "docker" "inspect" "65e428634e40e5b606c377974afbd779f9f73e63fc87221375708235a789d832", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65e428634e40e5b606c377974afbd779f9f73e63fc87221375708235a789d832", kill_on_drop: false }` [INFO] [stdout] 65e428634e40e5b606c377974afbd779f9f73e63fc87221375708235a789d832