[INFO] fetching crate ondrop 0.1.0... [INFO] testing ondrop-0.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate ondrop 0.1.0 into /workspace/builds/worker-74/source [INFO] validating manifest of crates.io crate ondrop 0.1.0 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 ondrop 0.1.0 [INFO] finished tweaking crates.io crate ondrop 0.1.0 [INFO] tweaked toml for crates.io crate ondrop 0.1.0 written to /workspace/builds/worker-74/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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] e22a093b35be136dd0b788ab7896b689f87a43db3d2609f444472575b3c721ed [INFO] running `Command { std: "docker" "start" "-a" "e22a093b35be136dd0b788ab7896b689f87a43db3d2609f444472575b3c721ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e22a093b35be136dd0b788ab7896b689f87a43db3d2609f444472575b3c721ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e22a093b35be136dd0b788ab7896b689f87a43db3d2609f444472575b3c721ed", kill_on_drop: false }` [INFO] [stdout] e22a093b35be136dd0b788ab7896b689f87a43db3d2609f444472575b3c721ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 5013a6c6371f183a57a432c40f5300bef9f9c2722554c6214e1204b72b4abe19 [INFO] running `Command { std: "docker" "start" "-a" "5013a6c6371f183a57a432c40f5300bef9f9c2722554c6214e1204b72b4abe19", kill_on_drop: false }` [INFO] [stderr] Compiling ondrop v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `Command { std: "docker" "inspect" "5013a6c6371f183a57a432c40f5300bef9f9c2722554c6214e1204b72b4abe19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5013a6c6371f183a57a432c40f5300bef9f9c2722554c6214e1204b72b4abe19", kill_on_drop: false }` [INFO] [stdout] 5013a6c6371f183a57a432c40f5300bef9f9c2722554c6214e1204b72b4abe19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 55056cc6169439d9d58f3468dc9f3b4a03d75617a99a02b2089f367ed6f2bc44 [INFO] running `Command { std: "docker" "start" "-a" "55056cc6169439d9d58f3468dc9f3b4a03d75617a99a02b2089f367ed6f2bc44", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling dropcheck v0.1.1 [INFO] [stderr] Compiling ondrop v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `DropToken` [INFO] [stdout] --> src/lib.rs:63:32 [INFO] [stdout] | [INFO] [stdout] 63 | use dropcheck::{DropCheck, DropToken}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/lib.rs:59:1 [INFO] [stdout] | [INFO] [stdout] 59 | mod tests { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut dst = Cell::new(None); [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 closure that must be used [INFO] [stdout] --> src/lib.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | ondrop.into_inner(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.23s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ondrop-7afd0eebf6f3cc40) [INFO] running `Command { std: "docker" "inspect" "55056cc6169439d9d58f3468dc9f3b4a03d75617a99a02b2089f367ed6f2bc44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55056cc6169439d9d58f3468dc9f3b4a03d75617a99a02b2089f367ed6f2bc44", kill_on_drop: false }` [INFO] [stdout] 55056cc6169439d9d58f3468dc9f3b4a03d75617a99a02b2089f367ed6f2bc44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 88d4f862d55fd23a1553f4a70bb3ce36241629d873609471e8eb8b14a66f6b45 [INFO] running `Command { std: "docker" "start" "-a" "88d4f862d55fd23a1553f4a70bb3ce36241629d873609471e8eb8b14a66f6b45", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `DropToken` [INFO] [stderr] --> src/lib.rs:63:32 [INFO] [stderr] | [INFO] [stderr] 63 | use dropcheck::{DropCheck, DropToken}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stderr] --> src/lib.rs:59:1 [INFO] [stderr] | [INFO] [stderr] 59 | mod tests { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | let mut dst = Cell::new(None); [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 closure that must be used [INFO] [stderr] --> src/lib.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | ondrop.into_inner(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: closures are lazy and do nothing unless called [INFO] [stderr] [INFO] [stderr] warning: `ondrop` (lib test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ondrop-7afd0eebf6f3cc40) [INFO] [stderr] Doc-tests ondrop [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::drops_closure_once ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - OnDrop (line 14) ... ok [INFO] [stdout] test src/lib.rs - OnDrop::into_inner (line 37) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "88d4f862d55fd23a1553f4a70bb3ce36241629d873609471e8eb8b14a66f6b45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88d4f862d55fd23a1553f4a70bb3ce36241629d873609471e8eb8b14a66f6b45", kill_on_drop: false }` [INFO] [stdout] 88d4f862d55fd23a1553f4a70bb3ce36241629d873609471e8eb8b14a66f6b45