[INFO] fetching crate extra_atomics 0.1.1...
[INFO] testing extra_atomics-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate extra_atomics 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate extra_atomics 0.1.1 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 extra_atomics 0.1.1
[INFO] finished tweaking crates.io crate extra_atomics 0.1.1
[INFO] tweaked toml for crates.io crate extra_atomics 0.1.1 written to /workspace/builds/worker-1/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] 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1fb9868f41eae9b79c1eebb8dcdefb2cb0a9c9248a86a305837b8f2bf8c38b11
[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" "1fb9868f41eae9b79c1eebb8dcdefb2cb0a9c9248a86a305837b8f2bf8c38b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb9868f41eae9b79c1eebb8dcdefb2cb0a9c9248a86a305837b8f2bf8c38b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb9868f41eae9b79c1eebb8dcdefb2cb0a9c9248a86a305837b8f2bf8c38b11", kill_on_drop: false }`
[INFO] [stdout] 1fb9868f41eae9b79c1eebb8dcdefb2cb0a9c9248a86a305837b8f2bf8c38b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 49b6bd934a3bdb97ec12d17e27b9df5bb992498d46825041f97d88656b3c3d5a
[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" "49b6bd934a3bdb97ec12d17e27b9df5bb992498d46825041f97d88656b3c3d5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling extra_atomics v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "49b6bd934a3bdb97ec12d17e27b9df5bb992498d46825041f97d88656b3c3d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b6bd934a3bdb97ec12d17e27b9df5bb992498d46825041f97d88656b3c3d5a", kill_on_drop: false }`
[INFO] [stdout] 49b6bd934a3bdb97ec12d17e27b9df5bb992498d46825041f97d88656b3c3d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f02df42559b5b046eaf87337c3de728e0f962f3829dd3b5a714b30f64e6dd75e
[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" "f02df42559b5b046eaf87337c3de728e0f962f3829dd3b5a714b30f64e6dd75e", kill_on_drop: false }`
[INFO] [stderr]    Compiling extra_atomics v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/lib.rs:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 let sender = sender;
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RwLockTests`
[INFO] [stdout]    --> src/lib.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 201 |     struct RwLockTests<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 |         fn new(init: Arc<T>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]    --> src/lib.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 212 |         fn swap(&self, new_value: Arc<T>) -> Result<Arc<T>, Arc<T>> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load`
[INFO] [stdout]    --> src/lib.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 |         fn load(&self) -> Arc<T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "f02df42559b5b046eaf87337c3de728e0f962f3829dd3b5a714b30f64e6dd75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02df42559b5b046eaf87337c3de728e0f962f3829dd3b5a714b30f64e6dd75e", kill_on_drop: false }`
[INFO] [stdout] f02df42559b5b046eaf87337c3de728e0f962f3829dd3b5a714b30f64e6dd75e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] b174fa22ae77e14127c797e9649158a5bd2f3bfae10c15d823bbdafed59b4213
[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" "b174fa22ae77e14127c797e9649158a5bd2f3bfae10c15d823bbdafed59b4213", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `sender`
[INFO] [stderr]    --> src/lib.rs:279:21
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 let sender = sender;
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RwLockTests`
[INFO] [stderr]    --> src/lib.rs:201:12
[INFO] [stderr]     |
[INFO] [stderr] 201 |     struct RwLockTests<T> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lib.rs:206:12
[INFO] [stderr]     |
[INFO] [stderr] 206 |         fn new(init: Arc<T>) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `swap`
[INFO] [stderr]    --> src/lib.rs:212:12
[INFO] [stderr]     |
[INFO] [stderr] 212 |         fn swap(&self, new_value: Arc<T>) -> Result<Arc<T>, Arc<T>> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]    --> src/lib.rs:220:12
[INFO] [stderr]     |
[INFO] [stderr] 220 |         fn load(&self) -> Arc<T> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extra_atomics` (lib test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extra_atomics-3444b05d4f8fd5a0)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::arc_swap ... ok
[INFO] [stdout] test tests::can_swap_option ... ok
[INFO] [stderr]    Doc-tests extra_atomics
[INFO] [stdout] test tests::threaded_swaps_loads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[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" "b174fa22ae77e14127c797e9649158a5bd2f3bfae10c15d823bbdafed59b4213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b174fa22ae77e14127c797e9649158a5bd2f3bfae10c15d823bbdafed59b4213", kill_on_drop: false }`
[INFO] [stdout] b174fa22ae77e14127c797e9649158a5bd2f3bfae10c15d823bbdafed59b4213