[INFO] fetching crate copy_arena 0.1.1... [INFO] testing copy_arena-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate copy_arena 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate copy_arena 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", 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] a31fbaef82f7d3c94d1b54ce0b46898abb645a3b59827cbefe1e2b15386a7aea [INFO] running `Command { std: "docker" "start" "-a" "a31fbaef82f7d3c94d1b54ce0b46898abb645a3b59827cbefe1e2b15386a7aea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a31fbaef82f7d3c94d1b54ce0b46898abb645a3b59827cbefe1e2b15386a7aea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a31fbaef82f7d3c94d1b54ce0b46898abb645a3b59827cbefe1e2b15386a7aea", kill_on_drop: false }` [INFO] [stdout] a31fbaef82f7d3c94d1b54ce0b46898abb645a3b59827cbefe1e2b15386a7aea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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] cf62fa103b3b95b8bc333b754171cb469d21666f1c6e2044c16b07e2dc3baa5a [INFO] running `Command { std: "docker" "start" "-a" "cf62fa103b3b95b8bc333b754171cb469d21666f1c6e2044c16b07e2dc3baa5a", 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 0.41s [INFO] running `Command { std: "docker" "inspect" "cf62fa103b3b95b8bc333b754171cb469d21666f1c6e2044c16b07e2dc3baa5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf62fa103b3b95b8bc333b754171cb469d21666f1c6e2044c16b07e2dc3baa5a", kill_on_drop: false }` [INFO] [stdout] cf62fa103b3b95b8bc333b754171cb469d21666f1c6e2044c16b07e2dc3baa5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 958c53dd3db6f1c922bba63b1558f470f015d0eb2ac24f0ff2229934287ee7e3 [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" "958c53dd3db6f1c922bba63b1558f470f015d0eb2ac24f0ff2229934287ee7e3", 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] [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: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] [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 1.19s [INFO] running `Command { std: "docker" "inspect" "958c53dd3db6f1c922bba63b1558f470f015d0eb2ac24f0ff2229934287ee7e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "958c53dd3db6f1c922bba63b1558f470f015d0eb2ac24f0ff2229934287ee7e3", kill_on_drop: false }` [INFO] [stdout] 958c53dd3db6f1c922bba63b1558f470f015d0eb2ac24f0ff2229934287ee7e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7dbdf397d5777e27cca770c963eae2b7495237147b30e6954034cb1306d4550f [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" "7dbdf397d5777e27cca770c963eae2b7495237147b30e6954034cb1306d4550f", 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] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/copy_arena-d5592c2f1d047001) [INFO] [stdout] running 8 tests [INFO] [stdout] test barely_too_little_capacity ... ok [INFO] [stdout] test construct_simple ... ok [INFO] [stdout] test many_u8s ... ok [INFO] [stdout] test surprisingly_large ... ok [INFO] [stdout] test just_enough_capacity ... ok [INFO] [stderr] Doc-tests copy_arena [INFO] [stdout] test zero_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 0.01s [INFO] [stdout] [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 0.61s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7dbdf397d5777e27cca770c963eae2b7495237147b30e6954034cb1306d4550f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dbdf397d5777e27cca770c963eae2b7495237147b30e6954034cb1306d4550f", kill_on_drop: false }` [INFO] [stdout] 7dbdf397d5777e27cca770c963eae2b7495237147b30e6954034cb1306d4550f