[INFO] fetching crate tommilligan_rmatrix 0.0.1... [INFO] testing tommilligan_rmatrix-0.0.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate tommilligan_rmatrix 0.0.1 into /workspace/builds/worker-21/source [INFO] validating manifest of crates.io crate tommilligan_rmatrix 0.0.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tommilligan_rmatrix 0.0.1 [INFO] finished tweaking crates.io crate tommilligan_rmatrix 0.0.1 [INFO] tweaked toml for crates.io crate tommilligan_rmatrix 0.0.1 written to /workspace/builds/worker-21/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91c590edca50ab847cf09e15f628108ee5d8b0ebde8da9a7f6c2f84674f914c3 [INFO] running `Command { std: "docker" "start" "-a" "91c590edca50ab847cf09e15f628108ee5d8b0ebde8da9a7f6c2f84674f914c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91c590edca50ab847cf09e15f628108ee5d8b0ebde8da9a7f6c2f84674f914c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91c590edca50ab847cf09e15f628108ee5d8b0ebde8da9a7f6c2f84674f914c3", kill_on_drop: false }` [INFO] [stdout] 91c590edca50ab847cf09e15f628108ee5d8b0ebde8da9a7f6c2f84674f914c3 [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=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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88c1e25f816528ee1acd436681960ff368a5a0d508e48ea793f1084fd32a616b [INFO] running `Command { std: "docker" "start" "-a" "88c1e25f816528ee1acd436681960ff368a5a0d508e48ea793f1084fd32a616b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling term_size v0.3.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling ncurses v5.101.0 [INFO] [stderr] Compiling pancurses v0.16.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling tommilligan_rmatrix v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 29 - (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stdout] 29 + RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | s.send(signal); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.57s [INFO] running `Command { std: "docker" "inspect" "88c1e25f816528ee1acd436681960ff368a5a0d508e48ea793f1084fd32a616b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88c1e25f816528ee1acd436681960ff368a5a0d508e48ea793f1084fd32a616b", kill_on_drop: false }` [INFO] [stdout] 88c1e25f816528ee1acd436681960ff368a5a0d508e48ea793f1084fd32a616b [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=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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b94462486fda99fe4f130c57484326cb698a88be701732044e29aef08905436f [INFO] running `Command { std: "docker" "start" "-a" "b94462486fda99fe4f130c57484326cb698a88be701732044e29aef08905436f", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 29 - (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stdout] 29 + RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tommilligan_rmatrix v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | s.send(signal); [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: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 29 - (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stdout] 29 + RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.71s [INFO] running `Command { std: "docker" "inspect" "b94462486fda99fe4f130c57484326cb698a88be701732044e29aef08905436f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b94462486fda99fe4f130c57484326cb698a88be701732044e29aef08905436f", kill_on_drop: false }` [INFO] [stdout] b94462486fda99fe4f130c57484326cb698a88be701732044e29aef08905436f [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=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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5be9c88a4406b346788f992f91bca9eae30e62919390eeb3297f31bfe6d9c32c [INFO] running `Command { std: "docker" "start" "-a" "5be9c88a4406b346788f992f91bca9eae30e62919390eeb3297f31bfe6d9c32c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/lib.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 29 - (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stderr] 29 + RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `tommilligan_rmatrix` (lib) generated 1 warning [INFO] [stderr] warning: `tommilligan_rmatrix` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | s.send(signal); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `tommilligan_rmatrix` (bin "tommilligan_rmatrix" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.59s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tommilligan_rmatrix-8deea668f241ce73) [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/tommilligan_rmatrix-a760edde69fca3cc) [INFO] [stdout] [INFO] [stderr] Doc-tests tommilligan_rmatrix [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] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 29 - (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stderr] 29 + RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char [INFO] [stderr] | [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: 1 warning emitted [INFO] [stdout] running 0 tests [INFO] [stderr] [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" "5be9c88a4406b346788f992f91bca9eae30e62919390eeb3297f31bfe6d9c32c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5be9c88a4406b346788f992f91bca9eae30e62919390eeb3297f31bfe6d9c32c", kill_on_drop: false }` [INFO] [stdout] 5be9c88a4406b346788f992f91bca9eae30e62919390eeb3297f31bfe6d9c32c