[INFO] fetching crate crndm 0.1.0...
[INFO] checking crndm-0.1.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate crndm 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate crndm 0.1.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crndm 0.1.0
[INFO] finished tweaking crates.io crate crndm 0.1.0
[INFO] tweaked toml for crates.io crate crndm 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate crndm 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", 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] f5d75e52e5dfc2d4e32a9785bb986cb89ec52cd1b7bc0649960233d7749ecd8a
[INFO] running `Command { std: "docker" "start" "-a" "f5d75e52e5dfc2d4e32a9785bb986cb89ec52cd1b7bc0649960233d7749ecd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5d75e52e5dfc2d4e32a9785bb986cb89ec52cd1b7bc0649960233d7749ecd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d75e52e5dfc2d4e32a9785bb986cb89ec52cd1b7bc0649960233d7749ecd8a", kill_on_drop: false }`
[INFO] [stdout] f5d75e52e5dfc2d4e32a9785bb986cb89ec52cd1b7bc0649960233d7749ecd8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 78b22ef5d94de8d4a9627c4f21d7e4a230b8046013e30e169539af3672855761
[INFO] running `Command { std: "docker" "start" "-a" "78b22ef5d94de8d4a9627c4f21d7e4a230b8046013e30e169539af3672855761", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking term-painter v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]    Compiling crndm_derive v0.1.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.0
[INFO] [stderr]     Checking crndm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | #![feature(const_fn)]
[INFO] [stdout]     |            ^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | #![feature(const_fn)]
[INFO] [stdout]     |            ^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> src/ll.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     llvm_asm!("clflushopt ($0)" :: "r"(start as *const u8));
[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::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]     --> src/alloc/alg/buddy.rs:900:34
[INFO] [stdout]      |
[INFO] [stdout] 900  |                         if !OPEN.compare_and_swap(false, true, Ordering::AcqRel) {
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1319 | crate::pool!(default);
[INFO] [stdout]      | ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `crate::pool` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> src/ll.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     llvm_asm!("clflushopt ($0)" :: "r"(start as *const u8));
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/tests.rs:1084:10
[INFO] [stdout]      |
[INFO] [stdout] 1084 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crndm` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/alloc/alg/buddy.rs:875:36
[INFO] [stdout]      |
[INFO] [stdout] 875  |                         while OPEN.compare_and_swap(false, true, Ordering::AcqRel) {}
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1319 | crate::pool!(default);
[INFO] [stdout]      | ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `crate::pool` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/alloc/alg/buddy.rs:875:36
[INFO] [stdout]     |
[INFO] [stdout] 875 |                         while OPEN.compare_and_swap(false, true, Ordering::AcqRel) {}
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         crate::pool!(pool1);
[INFO] [stdout]     |         -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `crate::pool` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/alloc/alg/buddy.rs:875:36
[INFO] [stdout]     |
[INFO] [stdout] 875 |                         while OPEN.compare_and_swap(false, true, Ordering::AcqRel) {}
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |         crate::pool!(pool2);
[INFO] [stdout]     |         -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `crate::pool` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/alloc/alg/buddy.rs:875:36
[INFO] [stdout]     |
[INFO] [stdout] 875 |                         while OPEN.compare_and_swap(false, true, Ordering::AcqRel) {}
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:637:9
[INFO] [stdout]     |
[INFO] [stdout] 637 |         crate::pool!(pool1);
[INFO] [stdout]     |         -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `crate::pool` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/alloc/alg/buddy.rs:875:36
[INFO] [stdout]     |
[INFO] [stdout] 875 |                         while OPEN.compare_and_swap(false, true, Ordering::AcqRel) {}
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:638:9
[INFO] [stdout]     |
[INFO] [stdout] 638 |         crate::pool!(pool2);
[INFO] [stdout]     |         -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `crate::pool` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "78b22ef5d94de8d4a9627c4f21d7e4a230b8046013e30e169539af3672855761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b22ef5d94de8d4a9627c4f21d7e4a230b8046013e30e169539af3672855761", kill_on_drop: false }`
[INFO] [stdout] 78b22ef5d94de8d4a9627c4f21d7e4a230b8046013e30e169539af3672855761