[INFO] fetching crate hrm_interpreter 0.2.0... [INFO] checking hrm_interpreter-0.2.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] extracting crate hrm_interpreter 0.2.0 into /workspace/builds/worker-23/source [INFO] validating manifest of crates.io crate hrm_interpreter 0.2.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate hrm_interpreter 0.2.0 [INFO] finished tweaking crates.io crate hrm_interpreter 0.2.0 [INFO] tweaked toml for crates.io crate hrm_interpreter 0.2.0 written to /workspace/builds/worker-23/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 336f6fbe3560dd0736c4d7957a03837c68d511d1fb83eddd2ff07c54a0d30554 [INFO] running `Command { std: "docker" "start" "-a" "336f6fbe3560dd0736c4d7957a03837c68d511d1fb83eddd2ff07c54a0d30554", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "336f6fbe3560dd0736c4d7957a03837c68d511d1fb83eddd2ff07c54a0d30554", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "336f6fbe3560dd0736c4d7957a03837c68d511d1fb83eddd2ff07c54a0d30554", kill_on_drop: false }` [INFO] [stdout] 336f6fbe3560dd0736c4d7957a03837c68d511d1fb83eddd2ff07c54a0d30554 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98323e5d1f2db4dc9270c9fe027b8f14e3d37aaf2fc0d036a0276cf3b54e1a89 [INFO] running `Command { std: "docker" "start" "-a" "98323e5d1f2db4dc9270c9fe027b8f14e3d37aaf2fc0d036a0276cf3b54e1a89", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling serde_derive v1.0.128 [INFO] [stderr] Checking hrm_interpreter v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `operation` [INFO] [stdout] --> src/operators/add.rs:257:7 [INFO] [stdout] | [INFO] [stdout] 257 | let operation = AddOp{cell: Location::Cell(0)}; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operation` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/json.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | fn new(operation: String, operand: Option) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/json.rs:132:19 [INFO] [stdout] | [INFO] [stdout] 132 | else { panic!(format!("unrecognized operation {}", json_op.operation)) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 132 - else { panic!(format!("unrecognized operation {}", json_op.operation)) } [INFO] [stdout] 132 + else { panic!("unrecognized operation {}", json_op.operation) } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/json.rs:240:9 [INFO] [stdout] | [INFO] [stdout] 240 | file.write(raw_state.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/json.rs:242:9 [INFO] [stdout] | [INFO] [stdout] 242 | file.write(b"\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/json.rs:132:19 [INFO] [stdout] | [INFO] [stdout] 132 | else { panic!(format!("unrecognized operation {}", json_op.operation)) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 132 - else { panic!(format!("unrecognized operation {}", json_op.operation)) } [INFO] [stdout] 132 + else { panic!("unrecognized operation {}", json_op.operation) } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/json.rs:240:9 [INFO] [stdout] | [INFO] [stdout] 240 | file.write(raw_state.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/json.rs:242:9 [INFO] [stdout] | [INFO] [stdout] 242 | file.write(b"\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.00s [INFO] running `Command { std: "docker" "inspect" "98323e5d1f2db4dc9270c9fe027b8f14e3d37aaf2fc0d036a0276cf3b54e1a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98323e5d1f2db4dc9270c9fe027b8f14e3d37aaf2fc0d036a0276cf3b54e1a89", kill_on_drop: false }` [INFO] [stdout] 98323e5d1f2db4dc9270c9fe027b8f14e3d37aaf2fc0d036a0276cf3b54e1a89