[INFO] fetching crate arc-buffer 0.1.0... [INFO] testing arc-buffer-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate arc-buffer 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate arc-buffer 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate arc-buffer 0.1.0 [INFO] finished tweaking crates.io crate arc-buffer 0.1.0 [INFO] tweaked toml for crates.io crate arc-buffer 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e686557e8e99c7d88e63fefa3bb0afb318f90a935bbdf43d207f8cc86fb0864d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e686557e8e99c7d88e63fefa3bb0afb318f90a935bbdf43d207f8cc86fb0864d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e686557e8e99c7d88e63fefa3bb0afb318f90a935bbdf43d207f8cc86fb0864d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e686557e8e99c7d88e63fefa3bb0afb318f90a935bbdf43d207f8cc86fb0864d", kill_on_drop: false }` [INFO] [stdout] e686557e8e99c7d88e63fefa3bb0afb318f90a935bbdf43d207f8cc86fb0864d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66cd5f0c4875e192a26bb916b57390fede94ef795879710cc514c82a789d992c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "66cd5f0c4875e192a26bb916b57390fede94ef795879710cc514c82a789d992c", kill_on_drop: false }` [INFO] [stderr] Compiling header-slice v0.1.3 [INFO] [stderr] Compiling arc-buffer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "66cd5f0c4875e192a26bb916b57390fede94ef795879710cc514c82a789d992c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66cd5f0c4875e192a26bb916b57390fede94ef795879710cc514c82a789d992c", kill_on_drop: false }` [INFO] [stdout] 66cd5f0c4875e192a26bb916b57390fede94ef795879710cc514c82a789d992c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88a39fcdacf646a21faf3f5ed29f476b72162c98765376f70076366367ce1283 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "88a39fcdacf646a21faf3f5ed29f476b72162c98765376f70076366367ce1283", kill_on_drop: false }` [INFO] [stderr] Compiling arc-buffer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `MaybeUninit::::new` that must be used [INFO] [stdout] --> src/test/utils.rs:50:35 [INFO] [stdout] | [INFO] [stdout] 50 | $(*$v =)? core::mem::MaybeUninit::new($f); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/test/drop.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | / parallel! { [INFO] [stdout] 111 | | [clone mut buf] { [INFO] [stdout] 112 | | buf.push(4); [INFO] [stdout] 113 | | set_drop_hook(&mut buf, &D2); [INFO] [stdout] ... | [INFO] [stdout] 126 | | }; [INFO] [stdout] 127 | | } [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: use `forget` to avoid running Drop code [INFO] [stdout] = note: this warning originates in the macro `parallel` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `MaybeUninit::::new` that must be used [INFO] [stdout] --> src/test/utils.rs:50:35 [INFO] [stdout] | [INFO] [stdout] 50 | $(*$v =)? core::mem::MaybeUninit::new($f); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | / parallel! { [INFO] [stdout] 88 | | let x <- [clone a] { Q(a) }; [INFO] [stdout] 89 | | let y <- [ref b] { Q(*b) }; [INFO] [stdout] 90 | | {}; [INFO] [stdout] 91 | | }; [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `forget` to avoid running Drop code [INFO] [stdout] = note: this warning originates in the macro `parallel` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.18s [INFO] running `Command { std: "docker" "inspect" "88a39fcdacf646a21faf3f5ed29f476b72162c98765376f70076366367ce1283", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88a39fcdacf646a21faf3f5ed29f476b72162c98765376f70076366367ce1283", kill_on_drop: false }` [INFO] [stdout] 88a39fcdacf646a21faf3f5ed29f476b72162c98765376f70076366367ce1283 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f98a4f13acfac65720a64022d192899797bbedb1677d5e6c638e6d3e384d3d67 [INFO] running `Command { std: "docker" "start" "-a" "f98a4f13acfac65720a64022d192899797bbedb1677d5e6c638e6d3e384d3d67", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `MaybeUninit::::new` that must be used [INFO] [stderr] --> src/test/utils.rs:50:35 [INFO] [stderr] | [INFO] [stderr] 50 | $(*$v =)? core::mem::MaybeUninit::new($f); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/test/drop.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 110 | / parallel! { [INFO] [stderr] 111 | | [clone mut buf] { [INFO] [stderr] 112 | | buf.push(4); [INFO] [stderr] 113 | | set_drop_hook(&mut buf, &D2); [INFO] [stderr] ... | [INFO] [stderr] 126 | | }; [INFO] [stderr] 127 | | } [INFO] [stderr] | |_____- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: use `forget` to avoid running Drop code [INFO] [stderr] = note: this warning originates in the macro `parallel` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused return value of `MaybeUninit::::new` that must be used [INFO] [stderr] --> src/test/utils.rs:50:35 [INFO] [stderr] | [INFO] [stderr] 50 | $(*$v =)? core::mem::MaybeUninit::new($f); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 87 | / parallel! { [INFO] [stderr] 88 | | let x <- [clone a] { Q(a) }; [INFO] [stderr] 89 | | let y <- [ref b] { Q(*b) }; [INFO] [stderr] 90 | | {}; [INFO] [stderr] 91 | | }; [INFO] [stderr] | |_____- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: use `forget` to avoid running Drop code [INFO] [stderr] = note: this warning originates in the macro `parallel` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `arc-buffer` (lib test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/arc_buffer-24eb63465b7e9ebf) [INFO] [stdout] running 11 tests [INFO] [stdout] test test::create::create_with_macro ... ok [INFO] [stdout] test test::create::create_with_macro_empty ... ok [INFO] [stdout] test test::create::create_with_macro_len ... ok [INFO] [stderr] Doc-tests arc-buffer [INFO] [stdout] test test::drop::drop_clone_first ... ok [INFO] [stdout] test test::drop::drop_clone_last ... ok [INFO] [stdout] test test::drop::drop_no_clones ... ok [INFO] [stdout] test test::drop::drop_after_mutating_original ... ok [INFO] [stdout] test test::drop::drop_after_mutating_clone ... ok [INFO] [stdout] test test::create::create_with_macro_len_empty ... ok [INFO] [stdout] test test::drop::drop_after_mutating_clone_parallel ... ok [INFO] [stdout] test test::utils::parallel_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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" "f98a4f13acfac65720a64022d192899797bbedb1677d5e6c638e6d3e384d3d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f98a4f13acfac65720a64022d192899797bbedb1677d5e6c638e6d3e384d3d67", kill_on_drop: false }` [INFO] [stdout] f98a4f13acfac65720a64022d192899797bbedb1677d5e6c638e6d3e384d3d67