[INFO] crate once-nonstatic 0.1.0 is already in cache
[INFO] extracting crate once-nonstatic 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/once-nonstatic/0.1.0
[INFO] extracting crate once-nonstatic 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/once-nonstatic/0.1.0
[INFO] validating manifest of once-nonstatic-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of once-nonstatic-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing once-nonstatic-0.1.0
[INFO] finished frobbing once-nonstatic-0.1.0
[INFO] frobbed toml for once-nonstatic-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/once-nonstatic/0.1.0/Cargo.toml
[INFO] started frobbing once-nonstatic-0.1.0
[INFO] finished frobbing once-nonstatic-0.1.0
[INFO] frobbed toml for once-nonstatic-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/once-nonstatic/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing once-nonstatic-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/once-nonstatic/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 368f95d51207c796bfde69066807abb4da06af2bf7df10ffa8d94fcd8226fbe7
[INFO] running `"docker" "start" "-a" "368f95d51207c796bfde69066807abb4da06af2bf7df10ffa8d94fcd8226fbe7"`
[INFO] [stderr]    Compiling once-nonstatic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:46
[INFO] [stderr]    |
[INFO] [stderr] 75 |     unsafe fn call_once_inner(&self, f: &mut FnMut()) {
[INFO] [stderr]    |                                              ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "368f95d51207c796bfde69066807abb4da06af2bf7df10ffa8d94fcd8226fbe7"`
[INFO] running `"docker" "rm" "-f" "368f95d51207c796bfde69066807abb4da06af2bf7df10ffa8d94fcd8226fbe7"`
[INFO] [stdout] 368f95d51207c796bfde69066807abb4da06af2bf7df10ffa8d94fcd8226fbe7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/once-nonstatic/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3c2cd3ebef33aebcff76336fd4828f92fe5c34b044f3c1e3cff98338f7f4b851
[INFO] running `"docker" "start" "-a" "3c2cd3ebef33aebcff76336fd4828f92fe5c34b044f3c1e3cff98338f7f4b851"`
[INFO] [stderr]    Compiling once-nonstatic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:46
[INFO] [stderr]    |
[INFO] [stderr] 75 |     unsafe fn call_once_inner(&self, f: &mut FnMut()) {
[INFO] [stderr]    |                                              ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "3c2cd3ebef33aebcff76336fd4828f92fe5c34b044f3c1e3cff98338f7f4b851"`
[INFO] running `"docker" "rm" "-f" "3c2cd3ebef33aebcff76336fd4828f92fe5c34b044f3c1e3cff98338f7f4b851"`
[INFO] [stdout] 3c2cd3ebef33aebcff76336fd4828f92fe5c34b044f3c1e3cff98338f7f4b851
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/once-nonstatic/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ed929d9f6d91f21c6acd9eb0b84207cd95d01210df00ad19cae63fbdd6fea68f
[INFO] running `"docker" "start" "-a" "ed929d9f6d91f21c6acd9eb0b84207cd95d01210df00ad19cae63fbdd6fea68f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/once_nonstatic-d61fb840d828e42c
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::single_thread_multi_call ... ok
[INFO] [stdout] test test::spinlock ... ok
[INFO] [stdout] test test::spinlock_sleep ... ok
[INFO] [stdout] test test::multi_thread_single_call ... ok
[INFO] [stdout] test test::spinlock_loop_single ... ok
[INFO] [stdout] test test::spinlock_loop_multi ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests once-nonstatic
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Once (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ed929d9f6d91f21c6acd9eb0b84207cd95d01210df00ad19cae63fbdd6fea68f"`
[INFO] running `"docker" "rm" "-f" "ed929d9f6d91f21c6acd9eb0b84207cd95d01210df00ad19cae63fbdd6fea68f"`
[INFO] [stdout] ed929d9f6d91f21c6acd9eb0b84207cd95d01210df00ad19cae63fbdd6fea68f