[INFO] fetching crate state 0.4.2...
[INFO] checking state-0.4.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate state 0.4.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate state 0.4.2 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate state 0.4.2
[INFO] finished tweaking crates.io crate state 0.4.2
[INFO] tweaked toml for crates.io crate state 0.4.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7e09e048e4fc931d19b828c8ccd9286e7259bcbb5c492709dd3d6c5443cd82b
[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" "d7e09e048e4fc931d19b828c8ccd9286e7259bcbb5c492709dd3d6c5443cd82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7e09e048e4fc931d19b828c8ccd9286e7259bcbb5c492709dd3d6c5443cd82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e09e048e4fc931d19b828c8ccd9286e7259bcbb5c492709dd3d6c5443cd82b", kill_on_drop: false }`
[INFO] [stdout] d7e09e048e4fc931d19b828c8ccd9286e7259bcbb5c492709dd3d6c5443cd82b
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--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] 5620913929fff6910bbfe40e767f9112336426632f2710f077bc097bb416c78f
[INFO] running `Command { std: "docker" "start" "-a" "5620913929fff6910bbfe40e767f9112336426632f2710f077bc097bb416c78f", kill_on_drop: false }`
[INFO] [stderr]     Checking state v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/container.rs:151:26
[INFO] [stdout]     |
[INFO] [stdout] 151 |         while self.mutex.compare_and_swap(0, 1, Ordering::AcqRel) != 0 {}
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/container.rs:156:28
[INFO] [stdout]     |
[INFO] [stdout] 156 |         assert!(self.mutex.compare_and_swap(1, 0, Ordering::AcqRel) == 1);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/init.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.init_started.compare_and_swap(false, true, Ordering::AcqRel);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/init.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |         if self.init_started.compare_and_swap(false, true, Ordering::AcqRel) {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/container.rs:151:26
[INFO] [stdout]     |
[INFO] [stdout] 151 |         while self.mutex.compare_and_swap(0, 1, Ordering::AcqRel) != 0 {}
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/container.rs:156:28
[INFO] [stdout]     |
[INFO] [stdout] 156 |         assert!(self.mutex.compare_and_swap(1, 0, Ordering::AcqRel) == 1);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/init.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.init_started.compare_and_swap(false, true, Ordering::AcqRel);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/init.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |         if self.init_started.compare_and_swap(false, true, Ordering::AcqRel) {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "5620913929fff6910bbfe40e767f9112336426632f2710f077bc097bb416c78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5620913929fff6910bbfe40e767f9112336426632f2710f077bc097bb416c78f", kill_on_drop: false }`
[INFO] [stdout] 5620913929fff6910bbfe40e767f9112336426632f2710f077bc097bb416c78f