[INFO] fetching crate slog-atomic 3.0.0...
[INFO] checking slog-atomic-3.0.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate slog-atomic 3.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate slog-atomic 3.0.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slog-atomic 3.0.0
[INFO] finished tweaking crates.io crate slog-atomic 3.0.0
[INFO] tweaked toml for crates.io crate slog-atomic 3.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate slog-atomic 3.0.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25a734bd38660dab97725501ae9f211d66cf6d4bd07090af7043c6ae8666b41d
[INFO] running `"docker" "start" "-a" "25a734bd38660dab97725501ae9f211d66cf6d4bd07090af7043c6ae8666b41d"`
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking arc-swap v0.4.0
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-atomic v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/signal.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> examples/signal.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / lazy_static! {
[INFO] [stderr] 21 | |     // global atomic switch drain control
[INFO] [stderr] 22 | |     static ref ATOMIC_DRAIN_SWITCH : AtomicSwitchCtrl<(), io::Error> = AtomicSwitch::new(
[INFO] [stderr] 23 | |         Discard.map_err(|_| io::Error::new(io::ErrorKind::Other, "should not happen"))
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |     static ref SWITCH_SCHEDULED: AtomicBool = AtomicBool::new(false);
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> examples/signal.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / lazy_static! {
[INFO] [stderr] 21 | |     // global atomic switch drain control
[INFO] [stderr] 22 | |     static ref ATOMIC_DRAIN_SWITCH : AtomicSwitchCtrl<(), io::Error> = AtomicSwitch::new(
[INFO] [stderr] 23 | |         Discard.map_err(|_| io::Error::new(io::ErrorKind::Other, "should not happen"))
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |     static ref SWITCH_SCHEDULED: AtomicBool = AtomicBool::new(false);
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> examples/signal.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / lazy_static! {
[INFO] [stderr] 21 | |     // global atomic switch drain control
[INFO] [stderr] 22 | |     static ref ATOMIC_DRAIN_SWITCH : AtomicSwitchCtrl<(), io::Error> = AtomicSwitch::new(
[INFO] [stderr] 23 | |         Discard.map_err(|_| io::Error::new(io::ErrorKind::Other, "should not happen"))
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |     static ref SWITCH_SCHEDULED: AtomicBool = AtomicBool::new(false);
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.18s
[INFO] running `"docker" "inspect" "25a734bd38660dab97725501ae9f211d66cf6d4bd07090af7043c6ae8666b41d"`
[INFO] running `"docker" "rm" "-f" "25a734bd38660dab97725501ae9f211d66cf6d4bd07090af7043c6ae8666b41d"`
[INFO] [stdout] 25a734bd38660dab97725501ae9f211d66cf6d4bd07090af7043c6ae8666b41d