[INFO] fetching crate async-timer 1.0.0-beta.7...
[INFO] checking async-timer-1.0.0-beta.7 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate async-timer 1.0.0-beta.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate async-timer 1.0.0-beta.7 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-timer 1.0.0-beta.7
[INFO] finished tweaking crates.io crate async-timer 1.0.0-beta.7
[INFO] tweaked toml for crates.io crate async-timer 1.0.0-beta.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45204501296ac83bed5d070671c235535da3851a759b30d8c6744907211532b5
[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" "45204501296ac83bed5d070671c235535da3851a759b30d8c6744907211532b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45204501296ac83bed5d070671c235535da3851a759b30d8c6744907211532b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45204501296ac83bed5d070671c235535da3851a759b30d8c6744907211532b5", kill_on_drop: false }`
[INFO] [stdout] 45204501296ac83bed5d070671c235535da3851a759b30d8c6744907211532b5
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d75e4997162d16c2750c11a5ee8fbd614ffc5222bb079cc95e1fe51458c27cf
[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" "9d75e4997162d16c2750c11a5ee8fbd614ffc5222bb079cc95e1fe51458c27cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling async-timer v1.0.0-beta.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking str-buf v1.0.5
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking error-code v2.0.2
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/state.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |         match self.state.compare_and_swap(WAITING, REGISTERING, Ordering::Acquire) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/state.rs:98:26
[INFO] [stdout]    |
[INFO] [stdout] 98 |         match self.state.compare_and_swap(WAITING, REGISTERING, Ordering::Acquire) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/state.rs:234:24
[INFO] [stdout]     |
[INFO] [stdout] 234 |         if !self.woken.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/utils.rs:38:77
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/timer/posix.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         assert_time!(timeout);
[INFO] [stdout]     |         ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), "{}", $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/utils.rs:38:77
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/timer/posix.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         assert_time!(new_value);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), "{}", $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/utils.rs:38:77
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/timer/posix.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         assert_time!(new_value);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), "{}", $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/state.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |         match self.state.compare_and_swap(WAITING, REGISTERING, Ordering::Acquire) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/state.rs:98:26
[INFO] [stdout]    |
[INFO] [stdout] 98 |         match self.state.compare_and_swap(WAITING, REGISTERING, Ordering::Acquire) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/state.rs:234:24
[INFO] [stdout]     |
[INFO] [stdout] 234 |         if !self.woken.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/utils.rs:38:77
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/timer/posix.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         assert_time!(timeout);
[INFO] [stdout]     |         ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), "{}", $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/utils.rs:38:77
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/timer/posix.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         assert_time!(new_value);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), "{}", $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/utils.rs:38:77
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/timer/posix.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         assert_time!(new_value);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 38  |         debug_assert!(!($time.as_secs() == 0 && $time.subsec_nanos() == 0), "{}", $crate::utils::ZERO_TIME_FAIL);
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "9d75e4997162d16c2750c11a5ee8fbd614ffc5222bb079cc95e1fe51458c27cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d75e4997162d16c2750c11a5ee8fbd614ffc5222bb079cc95e1fe51458c27cf", kill_on_drop: false }`
[INFO] [stdout] 9d75e4997162d16c2750c11a5ee8fbd614ffc5222bb079cc95e1fe51458c27cf