[INFO] cloning repository https://github.com/randolphcyg/rust_cargo_hello [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/randolphcyg/rust_cargo_hello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandolphcyg%2Frust_cargo_hello", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandolphcyg%2Frust_cargo_hello'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5e71b86a1ee50264fd03f54b674d0f218a8e1633 [INFO] testing randolphcyg/rust_cargo_hello against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandolphcyg%2Frust_cargo_hello" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/randolphcyg/rust_cargo_hello on toolchain 595316b4006932405a63862d8fe65f71a6356293 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] finished tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] tweaked toml for git repo https://github.com/randolphcyg/rust_cargo_hello written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/randolphcyg/rust_cargo_hello 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] testing randolphcyg/rust_cargo_hello against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandolphcyg%2Frust_cargo_hello" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/randolphcyg/rust_cargo_hello on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] finished tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] tweaked toml for git repo https://github.com/randolphcyg/rust_cargo_hello written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/randolphcyg/rust_cargo_hello 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing randolphcyg/rust_cargo_hello against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandolphcyg%2Frust_cargo_hello" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/randolphcyg/rust_cargo_hello on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] finished tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] tweaked toml for git repo https://github.com/randolphcyg/rust_cargo_hello written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/randolphcyg/rust_cargo_hello 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing randolphcyg/rust_cargo_hello against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandolphcyg%2Frust_cargo_hello" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/randolphcyg/rust_cargo_hello on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] finished tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] tweaked toml for git repo https://github.com/randolphcyg/rust_cargo_hello written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/randolphcyg/rust_cargo_hello 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing randolphcyg/rust_cargo_hello against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandolphcyg%2Frust_cargo_hello" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/randolphcyg/rust_cargo_hello on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] finished tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] tweaked toml for git repo https://github.com/randolphcyg/rust_cargo_hello written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/randolphcyg/rust_cargo_hello 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded trace v0.1.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc3aefd2e20bb23daf1026578c69ecdc55157eaefd7006da1452283e526c5338 [INFO] running `Command { std: "docker" "start" "-a" "fc3aefd2e20bb23daf1026578c69ecdc55157eaefd7006da1452283e526c5338", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc3aefd2e20bb23daf1026578c69ecdc55157eaefd7006da1452283e526c5338", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc3aefd2e20bb23daf1026578c69ecdc55157eaefd7006da1452283e526c5338", kill_on_drop: false }` [INFO] [stdout] fc3aefd2e20bb23daf1026578c69ecdc55157eaefd7006da1452283e526c5338 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4baf7928080a43a96e2dd0b95b55c28a57aac6587ddcfa94103516084394459 [INFO] running `Command { std: "docker" "start" "-a" "e4baf7928080a43a96e2dd0b95b55c28a57aac6587ddcfa94103516084394459", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling syn v2.0.31 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling uuid-macro-internal v1.4.1 [INFO] [stderr] Compiling uuid v1.4.1 [INFO] [stderr] Compiling trace v0.1.7 [INFO] [stderr] Compiling rust_cargo_hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/loop_test.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | 'inner: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/enumeration.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let x = Operations::Add; [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: irrefutable `if let` pattern [INFO] [stdout] --> src/match_test.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 302 | if let Foo2::Bar = a { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_float` [INFO] [stdout] --> src/primitives.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let a_float: f64 = 1.0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `an_inter` [INFO] [stdout] --> src/primitives.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let an_inter = 5i32; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_inter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> src/primitives.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/primitives.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutable` [INFO] [stdout] --> src/primitives.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mutable = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `foo` is never used [INFO] [stdout] --> src/func.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn foo() -> ! { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/rand_test.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 6 | x: i32, [INFO] [stdout] | ^ [INFO] [stdout] 7 | y: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.21s [INFO] running `Command { std: "docker" "inspect" "e4baf7928080a43a96e2dd0b95b55c28a57aac6587ddcfa94103516084394459", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4baf7928080a43a96e2dd0b95b55c28a57aac6587ddcfa94103516084394459", kill_on_drop: false }` [INFO] [stdout] e4baf7928080a43a96e2dd0b95b55c28a57aac6587ddcfa94103516084394459 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b189c7b1047721ec6226f10bae012a40e28fc35fe4f35b3ad82dc5ac2bb3975 [INFO] running `Command { std: "docker" "start" "-a" "8b189c7b1047721ec6226f10bae012a40e28fc35fe4f35b3ad82dc5ac2bb3975", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] [stderr] Compiling rust_cargo_hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/loop_test.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | 'inner: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/enumeration.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let x = Operations::Add; [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: irrefutable `if let` pattern [INFO] [stdout] --> src/match_test.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 302 | if let Foo2::Bar = a { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_float` [INFO] [stdout] --> src/primitives.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let a_float: f64 = 1.0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `an_inter` [INFO] [stdout] --> src/primitives.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let an_inter = 5i32; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_inter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> src/primitives.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/primitives.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutable` [INFO] [stdout] --> src/primitives.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mutable = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `foo` is never used [INFO] [stdout] --> src/func.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn foo() -> ! { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/rand_test.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 6 | x: i32, [INFO] [stdout] | ^ [INFO] [stdout] 7 | y: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "8b189c7b1047721ec6226f10bae012a40e28fc35fe4f35b3ad82dc5ac2bb3975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b189c7b1047721ec6226f10bae012a40e28fc35fe4f35b3ad82dc5ac2bb3975", kill_on_drop: false }` [INFO] [stdout] 8b189c7b1047721ec6226f10bae012a40e28fc35fe4f35b3ad82dc5ac2bb3975 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 587e34c9b655a5f59f8af96fcb384755d71dabd913231bfffe8f48c436321971 [INFO] running `Command { std: "docker" "start" "-a" "587e34c9b655a5f59f8af96fcb384755d71dabd913231bfffe8f48c436321971", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] [stderr] warning: unused label [INFO] [stderr] --> src/loop_test.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | 'inner: loop { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_labels)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/enumeration.rs:84:9 [INFO] [stderr] | [INFO] [stderr] 84 | let x = Operations::Add; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: irrefutable `if let` pattern [INFO] [stderr] --> src/match_test.rs:302:8 [INFO] [stderr] | [INFO] [stderr] 302 | if let Foo2::Bar = a { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this pattern will always match, so the `if let` is useless [INFO] [stderr] = help: consider replacing the `if let` with a `let` [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a_float` [INFO] [stderr] --> src/primitives.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let a_float: f64 = 1.0; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `an_inter` [INFO] [stderr] --> src/primitives.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let an_inter = 5i32; [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_inter` [INFO] [stderr] [INFO] [stderr] warning: variable `mutable` is assigned to, but never used [INFO] [stderr] --> src/primitives.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut mutable = 12; // Mutable `i32` [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_mutable` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mutable` is never read [INFO] [stderr] --> src/primitives.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | mutable = 21; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mutable` [INFO] [stderr] --> src/primitives.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let mutable = true; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable` [INFO] [stderr] [INFO] [stderr] warning: function `foo` is never used [INFO] [stderr] --> src/func.rs:59:4 [INFO] [stderr] | [INFO] [stderr] 59 | fn foo() -> ! { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `x` and `y` are never read [INFO] [stderr] --> src/rand_test.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 5 | struct Point { [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] 6 | x: i32, [INFO] [stderr] | ^ [INFO] [stderr] 7 | y: i32, [INFO] [stderr] | ^ [INFO] [stderr] | [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_cargo_hello` (bin "rust_cargo_hello" test) generated 10 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_cargo_hello-4174bc3764928956) [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" "587e34c9b655a5f59f8af96fcb384755d71dabd913231bfffe8f48c436321971", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "587e34c9b655a5f59f8af96fcb384755d71dabd913231bfffe8f48c436321971", kill_on_drop: false }` [INFO] [stdout] 587e34c9b655a5f59f8af96fcb384755d71dabd913231bfffe8f48c436321971