[INFO] fetching crate veb-rs 0.1.1... [INFO] testing veb-rs-0.1.1 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate veb-rs 0.1.1 into /workspace/builds/worker-67/source [INFO] validating manifest of crates.io crate veb-rs 0.1.1 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-67/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1dc9ab850541545e9bf163a59c026a485dae10bb0c8b6c1875aa7bed9808e68 [INFO] running `Command { std: "docker" "start" "-a" "c1dc9ab850541545e9bf163a59c026a485dae10bb0c8b6c1875aa7bed9808e68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1dc9ab850541545e9bf163a59c026a485dae10bb0c8b6c1875aa7bed9808e68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1dc9ab850541545e9bf163a59c026a485dae10bb0c8b6c1875aa7bed9808e68", kill_on_drop: false }` [INFO] [stdout] c1dc9ab850541545e9bf163a59c026a485dae10bb0c8b6c1875aa7bed9808e68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 024fdf7273167d7aa1df4131d470f3f41c7dd11d6263d38ae26f752a6c0dfd59 [INFO] running `Command { std: "docker" "start" "-a" "024fdf7273167d7aa1df4131d470f3f41c7dd11d6263d38ae26f752a6c0dfd59", kill_on_drop: false }` [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 0.95s [INFO] running `Command { std: "docker" "inspect" "024fdf7273167d7aa1df4131d470f3f41c7dd11d6263d38ae26f752a6c0dfd59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "024fdf7273167d7aa1df4131d470f3f41c7dd11d6263d38ae26f752a6c0dfd59", kill_on_drop: false }` [INFO] [stdout] 024fdf7273167d7aa1df4131d470f3f41c7dd11d6263d38ae26f752a6c0dfd59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 796f474bb37a93af58ad88aed05ce2fad6cb680fbcff76291e8ab5841ed0e842 [INFO] running `Command { std: "docker" "start" "-a" "796f474bb37a93af58ad88aed05ce2fad6cb680fbcff76291e8ab5841ed0e842", 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 2.56s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/veb_rs-d32b6ac86d11046e) [INFO] running `Command { std: "docker" "inspect" "796f474bb37a93af58ad88aed05ce2fad6cb680fbcff76291e8ab5841ed0e842", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "796f474bb37a93af58ad88aed05ce2fad6cb680fbcff76291e8ab5841ed0e842", kill_on_drop: false }` [INFO] [stdout] 796f474bb37a93af58ad88aed05ce2fad6cb680fbcff76291e8ab5841ed0e842 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3c40eeb1692e8af40a91239f8169b4d40c6bbb72e51091ad565654c7a58e0dec [INFO] running `Command { std: "docker" "start" "-a" "3c40eeb1692e8af40a91239f8169b4d40c6bbb72e51091ad565654c7a58e0dec", 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 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/veb_rs-d32b6ac86d11046e) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test find_next ... ok [INFO] [stdout] test insertion_and_has ... ok [INFO] [stdout] test delete ... ok [INFO] [stdout] test is_empty ... ok [INFO] [stdout] test creation ... ok [INFO] [stdout] test creation_fail ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests veb-rs [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" "3c40eeb1692e8af40a91239f8169b4d40c6bbb72e51091ad565654c7a58e0dec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c40eeb1692e8af40a91239f8169b4d40c6bbb72e51091ad565654c7a58e0dec", kill_on_drop: false }` [INFO] [stdout] 3c40eeb1692e8af40a91239f8169b4d40c6bbb72e51091ad565654c7a58e0dec