[INFO] fetching crate veb-rs 0.1.1... [INFO] testing veb-rs-0.1.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate veb-rs 0.1.1 into /workspace/builds/worker-32/source [INFO] validating manifest of crates.io crate veb-rs 0.1.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate veb-rs 0.1.1 [INFO] finished tweaking crates.io crate veb-rs 0.1.1 [INFO] tweaked toml for crates.io crate veb-rs 0.1.1 written to /workspace/builds/worker-32/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5265d2543b403be2874b1c158608c3950e80fe501d3c11d625d1caffe05420b5 [INFO] running `Command { std: "docker" "start" "-a" "5265d2543b403be2874b1c158608c3950e80fe501d3c11d625d1caffe05420b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5265d2543b403be2874b1c158608c3950e80fe501d3c11d625d1caffe05420b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5265d2543b403be2874b1c158608c3950e80fe501d3c11d625d1caffe05420b5", kill_on_drop: false }` [INFO] [stdout] 5265d2543b403be2874b1c158608c3950e80fe501d3c11d625d1caffe05420b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a62c0b0ed99db5053cb3e8f6e583f71d13fd1cdfba9556acc5feaa0b6d9abb8e [INFO] running `Command { std: "docker" "start" "-a" "a62c0b0ed99db5053cb3e8f6e583f71d13fd1cdfba9556acc5feaa0b6d9abb8e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling veb-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:254:21 [INFO] [stdout] | [INFO] [stdout] 254 | let mut subtree = &mut self.children[idx as usize]; [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:217:21 [INFO] [stdout] | [INFO] [stdout] 217 | mem::replace(subtree, Some(new_tree)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.46s [INFO] running `Command { std: "docker" "inspect" "a62c0b0ed99db5053cb3e8f6e583f71d13fd1cdfba9556acc5feaa0b6d9abb8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a62c0b0ed99db5053cb3e8f6e583f71d13fd1cdfba9556acc5feaa0b6d9abb8e", kill_on_drop: false }` [INFO] [stdout] a62c0b0ed99db5053cb3e8f6e583f71d13fd1cdfba9556acc5feaa0b6d9abb8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6cd7bb3484ec840d1a83e2d3ba8bb2e39c982635d7ff184c6688fa962dca3af [INFO] running `Command { std: "docker" "start" "-a" "f6cd7bb3484ec840d1a83e2d3ba8bb2e39c982635d7ff184c6688fa962dca3af", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:254:21 [INFO] [stdout] | [INFO] [stdout] 254 | let mut subtree = &mut self.children[idx as usize]; [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] [stderr] Compiling veb-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:217:21 [INFO] [stdout] | [INFO] [stdout] 217 | mem::replace(subtree, Some(new_tree)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:254:21 [INFO] [stdout] | [INFO] [stdout] 254 | let mut subtree = &mut self.children[idx as usize]; [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:217:21 [INFO] [stdout] | [INFO] [stdout] 217 | mem::replace(subtree, Some(new_tree)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "f6cd7bb3484ec840d1a83e2d3ba8bb2e39c982635d7ff184c6688fa962dca3af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6cd7bb3484ec840d1a83e2d3ba8bb2e39c982635d7ff184c6688fa962dca3af", kill_on_drop: false }` [INFO] [stdout] f6cd7bb3484ec840d1a83e2d3ba8bb2e39c982635d7ff184c6688fa962dca3af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fa12384d531f950424b5d8df4fd23750a1d5a0111a4c52e11744eb71f9448248 [INFO] running `Command { std: "docker" "start" "-a" "fa12384d531f950424b5d8df4fd23750a1d5a0111a4c52e11744eb71f9448248", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:254:21 [INFO] [stderr] | [INFO] [stderr] 254 | let mut subtree = &mut self.children[idx as usize]; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:217:21 [INFO] [stderr] | [INFO] [stderr] 217 | mem::replace(subtree, Some(new_tree)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: `veb-rs` (lib) generated 2 warnings [INFO] [stderr] warning: `veb-rs` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/veb_rs-ae3b1b330ef2e726) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test creation ... ok [INFO] [stdout] test delete ... ok [INFO] [stdout] test find_next ... ok [INFO] [stdout] test insertion_and_has ... ok [INFO] [stderr] Doc-tests veb-rs [INFO] [stdout] test creation_fail ... ok [INFO] [stdout] test is_empty ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [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" "fa12384d531f950424b5d8df4fd23750a1d5a0111a4c52e11744eb71f9448248", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa12384d531f950424b5d8df4fd23750a1d5a0111a4c52e11744eb71f9448248", kill_on_drop: false }` [INFO] [stdout] fa12384d531f950424b5d8df4fd23750a1d5a0111a4c52e11744eb71f9448248