[INFO] fetching crate copy_arena 0.1.1... [INFO] testing copy_arena-0.1.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] extracting crate copy_arena 0.1.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate copy_arena 0.1.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate copy_arena 0.1.1 [INFO] finished tweaking crates.io crate copy_arena 0.1.1 [INFO] tweaked toml for crates.io crate copy_arena 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28b17420a062616e0eafe7c19f6b7f2ed4133706caf26c56533b8d9c60984bb9 [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" "28b17420a062616e0eafe7c19f6b7f2ed4133706caf26c56533b8d9c60984bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28b17420a062616e0eafe7c19f6b7f2ed4133706caf26c56533b8d9c60984bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28b17420a062616e0eafe7c19f6b7f2ed4133706caf26c56533b8d9c60984bb9", kill_on_drop: false }` [INFO] [stdout] 28b17420a062616e0eafe7c19f6b7f2ed4133706caf26c56533b8d9c60984bb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", 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] 3ffa94dc1d3551b956fb16f50e2bd1e99c8a16112e8df7b6fba2df48b0e705c5 [INFO] running `Command { std: "docker" "start" "-a" "3ffa94dc1d3551b956fb16f50e2bd1e99c8a16112e8df7b6fba2df48b0e705c5", kill_on_drop: false }` [INFO] [stderr] Compiling copy_arena v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:180:63 [INFO] [stdout] | [INFO] [stdout] 180 | let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:196:54 [INFO] [stdout] | [INFO] [stdout] 196 | let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | let mut slice = self.alloc_slice_raw(elems.len()); [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:215:13 [INFO] [stdout] | [INFO] [stdout] 215 | let mut slice = self.alloc_slice_raw(len); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "3ffa94dc1d3551b956fb16f50e2bd1e99c8a16112e8df7b6fba2df48b0e705c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ffa94dc1d3551b956fb16f50e2bd1e99c8a16112e8df7b6fba2df48b0e705c5", kill_on_drop: false }` [INFO] [stdout] 3ffa94dc1d3551b956fb16f50e2bd1e99c8a16112e8df7b6fba2df48b0e705c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76b1c7f110d727b366aca31122567e0a83cc62aceed5e845bb6344a0bc964f8d [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" "76b1c7f110d727b366aca31122567e0a83cc62aceed5e845bb6344a0bc964f8d", kill_on_drop: false }` [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:180:63 [INFO] [stdout] | [INFO] [stdout] 180 | let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:196:54 [INFO] [stdout] | [INFO] [stdout] 196 | let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | let mut slice = self.alloc_slice_raw(elems.len()); [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 copy_arena v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:215:13 [INFO] [stdout] | [INFO] [stdout] 215 | let mut slice = self.alloc_slice_raw(len); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:180:63 [INFO] [stdout] | [INFO] [stdout] 180 | let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:196:54 [INFO] [stdout] | [INFO] [stdout] 196 | let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | let mut slice = self.alloc_slice_raw(elems.len()); [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:215:13 [INFO] [stdout] | [INFO] [stdout] 215 | let mut slice = self.alloc_slice_raw(len); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "76b1c7f110d727b366aca31122567e0a83cc62aceed5e845bb6344a0bc964f8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76b1c7f110d727b366aca31122567e0a83cc62aceed5e845bb6344a0bc964f8d", kill_on_drop: false }` [INFO] [stdout] 76b1c7f110d727b366aca31122567e0a83cc62aceed5e845bb6344a0bc964f8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 42ea54f33a22ae00ed8a4e74081094e134f0c54cb1e5167e383689a96db6cb26 [INFO] running `Command { std: "docker" "start" "-a" "42ea54f33a22ae00ed8a4e74081094e134f0c54cb1e5167e383689a96db6cb26", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stderr] --> src/lib.rs:180:63 [INFO] [stderr] | [INFO] [stderr] 180 | let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stderr] --> src/lib.rs:196:54 [INFO] [stderr] | [INFO] [stderr] 196 | let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:203:13 [INFO] [stderr] | [INFO] [stderr] 203 | let mut slice = self.alloc_slice_raw(elems.len()); [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:215:13 [INFO] [stderr] | [INFO] [stderr] 215 | let mut slice = self.alloc_slice_raw(len); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `copy_arena` (lib) generated 4 warnings [INFO] [stderr] warning: `copy_arena` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/copy_arena-2cf5f8fdfdaba496) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test construct_simple ... ok [INFO] [stdout] test many_u8s ... ok [INFO] [stdout] test barely_too_little_capacity ... ok [INFO] [stdout] test zero_capacity ... ok [INFO] [stdout] test surprisingly_large ... ok [INFO] [stdout] test just_enough_capacity ... ok [INFO] [stdout] test zero_size ... ok [INFO] [stdout] test construct_slices ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests copy_arena [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 30) ... ok [INFO] [stdout] test src/lib.rs - (line 14) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "42ea54f33a22ae00ed8a4e74081094e134f0c54cb1e5167e383689a96db6cb26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42ea54f33a22ae00ed8a4e74081094e134f0c54cb1e5167e383689a96db6cb26", kill_on_drop: false }` [INFO] [stdout] 42ea54f33a22ae00ed8a4e74081094e134f0c54cb1e5167e383689a96db6cb26