[INFO] fetching crate optim 0.2.0... [INFO] checking optim-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate optim 0.2.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate optim 0.2.0 [INFO] finished tweaking crates.io crate optim 0.2.0 [INFO] tweaked toml for crates.io crate optim 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate optim 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate optim 0.2.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27facb7394753455df223e81c5b4415abdef0f9c13089efd2fbab142b474dcc8 [INFO] running `Command { std: "docker" "start" "-a" "27facb7394753455df223e81c5b4415abdef0f9c13089efd2fbab142b474dcc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27facb7394753455df223e81c5b4415abdef0f9c13089efd2fbab142b474dcc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27facb7394753455df223e81c5b4415abdef0f9c13089efd2fbab142b474dcc8", kill_on_drop: false }` [INFO] [stdout] 27facb7394753455df223e81c5b4415abdef0f9c13089efd2fbab142b474dcc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a546c9a93c7a5e7c451d8b7ac308cf5632f2a8769fe4beae3aa6fbdf4f7826f [INFO] running `Command { std: "docker" "start" "-a" "1a546c9a93c7a5e7c451d8b7ac308cf5632f2a8769fe4beae3aa6fbdf4f7826f", kill_on_drop: false }` [INFO] [stderr] Checking optim v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `constraint` [INFO] [stdout] --> src/lib.rs:24:36 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn add_constraint(&mut self, constraint: Constraint) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constraint` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variable` [INFO] [stdout] --> src/lib.rs:25:30 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn maximise(&mut self, variable: Variable) {} [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variable` [INFO] [stdout] --> src/lib.rs:26:30 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn minimise(&mut self, variable: Variable) {} [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `constraints` is never read [INFO] [stdout] --> src/lib.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Model { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 4 | variables: HashMap>, [INFO] [stdout] 5 | constraints: Vec, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constraint` [INFO] [stdout] --> src/lib.rs:24:36 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn add_constraint(&mut self, constraint: Constraint) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constraint` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variable` [INFO] [stdout] --> src/lib.rs:25:30 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn maximise(&mut self, variable: Variable) {} [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variable` [INFO] [stdout] --> src/lib.rs:26:30 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn minimise(&mut self, variable: Variable) {} [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `constraints` is never read [INFO] [stdout] --> src/lib.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Model { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 4 | variables: HashMap>, [INFO] [stdout] 5 | constraints: Vec, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "1a546c9a93c7a5e7c451d8b7ac308cf5632f2a8769fe4beae3aa6fbdf4f7826f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a546c9a93c7a5e7c451d8b7ac308cf5632f2a8769fe4beae3aa6fbdf4f7826f", kill_on_drop: false }` [INFO] [stdout] 1a546c9a93c7a5e7c451d8b7ac308cf5632f2a8769fe4beae3aa6fbdf4f7826f