[INFO] fetching crate extra_atomics 0.1.1...
[INFO] testing extra_atomics-0.1.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate extra_atomics 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate extra_atomics 0.1.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9508d6408571f3b905921e4eaaa4b2de5dc6dbd26575fe5dc883dfb913f7d21c
[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" "9508d6408571f3b905921e4eaaa4b2de5dc6dbd26575fe5dc883dfb913f7d21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9508d6408571f3b905921e4eaaa4b2de5dc6dbd26575fe5dc883dfb913f7d21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9508d6408571f3b905921e4eaaa4b2de5dc6dbd26575fe5dc883dfb913f7d21c", kill_on_drop: false }`
[INFO] [stdout] 9508d6408571f3b905921e4eaaa4b2de5dc6dbd26575fe5dc883dfb913f7d21c
[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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86a01f74eaa442c81d28da8f918739508f206cb2443b8c2624e51f7d765eec77
[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" "86a01f74eaa442c81d28da8f918739508f206cb2443b8c2624e51f7d765eec77", kill_on_drop: false }`
[INFO] [stderr]    Compiling extra_atomics v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "86a01f74eaa442c81d28da8f918739508f206cb2443b8c2624e51f7d765eec77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a01f74eaa442c81d28da8f918739508f206cb2443b8c2624e51f7d765eec77", kill_on_drop: false }`
[INFO] [stdout] 86a01f74eaa442c81d28da8f918739508f206cb2443b8c2624e51f7d765eec77
[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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bec7029fe334f4c86fd1af0319a2d1cc338a2be867bcdac1f8b07fa05e8327c
[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" "3bec7029fe334f4c86fd1af0319a2d1cc338a2be867bcdac1f8b07fa05e8327c", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3bec7029fe334f4c86fd1af0319a2d1cc338a2be867bcdac1f8b07fa05e8327c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bec7029fe334f4c86fd1af0319a2d1cc338a2be867bcdac1f8b07fa05e8327c", kill_on_drop: false }`
[INFO] [stdout] 3bec7029fe334f4c86fd1af0319a2d1cc338a2be867bcdac1f8b07fa05e8327c
[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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 618e2b243cb355cbf6b4d7e20aa728b035b243c99351e8a7a4a0e1e6a7391e7b
[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" "618e2b243cb355cbf6b4d7e20aa728b035b243c99351e8a7a4a0e1e6a7391e7b", 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] [stdout] 
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] running 3 tests
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extra_atomics-3444b05d4f8fd5a0)
[INFO] [stdout] test tests::can_swap_option ... ok
[INFO] [stdout] test tests::arc_swap ... ok
[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 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests extra_atomics
[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" "618e2b243cb355cbf6b4d7e20aa728b035b243c99351e8a7a4a0e1e6a7391e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618e2b243cb355cbf6b4d7e20aa728b035b243c99351e8a7a4a0e1e6a7391e7b", kill_on_drop: false }`
[INFO] [stdout] 618e2b243cb355cbf6b4d7e20aa728b035b243c99351e8a7a4a0e1e6a7391e7b