[INFO] fetching crate qimalloc 0.1.0...
[INFO] testing qimalloc-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate qimalloc 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate qimalloc 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qimalloc 0.1.0
[INFO] finished tweaking crates.io crate qimalloc 0.1.0
[INFO] tweaked toml for crates.io crate qimalloc 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39d1fc59d3d5d54ead640ad724a6c75ad5045885e561a490e3b0683c05dae6f0
[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" "39d1fc59d3d5d54ead640ad724a6c75ad5045885e561a490e3b0683c05dae6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39d1fc59d3d5d54ead640ad724a6c75ad5045885e561a490e3b0683c05dae6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d1fc59d3d5d54ead640ad724a6c75ad5045885e561a490e3b0683c05dae6f0", kill_on_drop: false }`
[INFO] [stdout] 39d1fc59d3d5d54ead640ad724a6c75ad5045885e561a490e3b0683c05dae6f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2900a7b83a69db707f8d39b0864d21b9e94bad23f6eb4952734025f1cbe63f3a
[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" "2900a7b83a69db707f8d39b0864d21b9e94bad23f6eb4952734025f1cbe63f3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling qimalloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]    --> src/lib.rs:109:33
[INFO] [stdout]     |
[INFO] [stdout] 109 |     unsafe fn alloc_impl(&self, layout: Layout) -> Result<*mut u8, AllocErr> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ptr`
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ptr: UnsafeCell<*mut u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PAGE_SIZE`
[INFO] [stdout]   --> src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | const PAGE_SIZE: usize = 65536;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `round_to_align`
[INFO] [stdout]   --> src/lib.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn round_to_align(size: usize, align: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "2900a7b83a69db707f8d39b0864d21b9e94bad23f6eb4952734025f1cbe63f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2900a7b83a69db707f8d39b0864d21b9e94bad23f6eb4952734025f1cbe63f3a", kill_on_drop: false }`
[INFO] [stdout] 2900a7b83a69db707f8d39b0864d21b9e94bad23f6eb4952734025f1cbe63f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] c01119d8c9f617127ba46a3da1bad7781063e0f22926def7d3df6c7fc98dc8fa
[INFO] running `Command { std: "docker" "start" "-a" "c01119d8c9f617127ba46a3da1bad7781063e0f22926def7d3df6c7fc98dc8fa", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]    --> src/lib.rs:109:33
[INFO] [stdout]     |
[INFO] [stdout] 109 |     unsafe fn alloc_impl(&self, layout: Layout) -> Result<*mut u8, AllocErr> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qimalloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `ptr`
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ptr: UnsafeCell<*mut u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PAGE_SIZE`
[INFO] [stdout]   --> src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | const PAGE_SIZE: usize = 65536;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `round_to_align`
[INFO] [stdout]   --> src/lib.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn round_to_align(size: usize, align: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]    --> src/lib.rs:109:33
[INFO] [stdout]     |
[INFO] [stdout] 109 |     unsafe fn alloc_impl(&self, layout: Layout) -> Result<*mut u8, AllocErr> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ptr`
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ptr: UnsafeCell<*mut u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PAGE_SIZE`
[INFO] [stdout]   --> src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | const PAGE_SIZE: usize = 65536;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `round_to_align`
[INFO] [stdout]   --> src/lib.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn round_to_align(size: usize, align: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c01119d8c9f617127ba46a3da1bad7781063e0f22926def7d3df6c7fc98dc8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01119d8c9f617127ba46a3da1bad7781063e0f22926def7d3df6c7fc98dc8fa", kill_on_drop: false }`
[INFO] [stdout] c01119d8c9f617127ba46a3da1bad7781063e0f22926def7d3df6c7fc98dc8fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb9bd95717e88b1013d7dadd7da091f54964c3717cb9fe7dd83f4746bdd23c9a
[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" "cb9bd95717e88b1013d7dadd7da091f54964c3717cb9fe7dd83f4746bdd23c9a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `layout`
[INFO] [stderr]    --> src/lib.rs:109:33
[INFO] [stderr]     |
[INFO] [stderr] 109 |     unsafe fn alloc_impl(&self, layout: Layout) -> Result<*mut u8, AllocErr> {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ptr`
[INFO] [stderr]   --> src/lib.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ptr: UnsafeCell<*mut u8>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PAGE_SIZE`
[INFO] [stderr]   --> src/lib.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | const PAGE_SIZE: usize = 65536;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `round_to_align`
[INFO] [stderr]   --> src/lib.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn round_to_align(size: usize, align: usize) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `qimalloc` (lib) generated 4 warnings
[INFO] [stderr] warning: `qimalloc` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qimalloc-8f8db680fdcbb475)
[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] [stderr]    Doc-tests qimalloc
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ignored
[INFO] [stdout] test src/lib.rs - GlobalAlloc (line 13) ... ignored
[INFO] [stdout] test src/lib.rs - Layout (line 13) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb9bd95717e88b1013d7dadd7da091f54964c3717cb9fe7dd83f4746bdd23c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9bd95717e88b1013d7dadd7da091f54964c3717cb9fe7dd83f4746bdd23c9a", kill_on_drop: false }`
[INFO] [stdout] cb9bd95717e88b1013d7dadd7da091f54964c3717cb9fe7dd83f4746bdd23c9a