[INFO] crate context 2.1.0 is already in cache
[INFO] extracting crate context 2.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/context/2.1.0
[INFO] extracting crate context 2.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/context/2.1.0
[INFO] validating manifest of context-2.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of context-2.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing context-2.1.0
[INFO] finished frobbing context-2.1.0
[INFO] frobbed toml for context-2.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/context/2.1.0/Cargo.toml
[INFO] started frobbing context-2.1.0
[INFO] finished frobbing context-2.1.0
[INFO] frobbed toml for context-2.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/context/2.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing context-2.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/context/2.1.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 39612a895b3a6e04a539f80d15ceed955880a245c6489137b235b28d3ca67794
[INFO] running `"docker" "start" "-a" "39612a895b3a6e04a539f80d15ceed955880a245c6489137b235b28d3ca67794"`
[INFO] [stderr]    Compiling context v2.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stack.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:61:37
[INFO] [stderr]    |
[INFO] [stderr] 61 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:83:37
[INFO] [stderr]    |
[INFO] [stderr] 83 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "39612a895b3a6e04a539f80d15ceed955880a245c6489137b235b28d3ca67794"`
[INFO] running `"docker" "rm" "-f" "39612a895b3a6e04a539f80d15ceed955880a245c6489137b235b28d3ca67794"`
[INFO] [stdout] 39612a895b3a6e04a539f80d15ceed955880a245c6489137b235b28d3ca67794
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/context/2.1.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d7f32cd36c3cff9fb504e58a531050aafb719407e6f48a350cf5be75da4c2089
[INFO] running `"docker" "start" "-a" "d7f32cd36c3cff9fb504e58a531050aafb719407e6f48a350cf5be75da4c2089"`
[INFO] [stderr]    Compiling context v2.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/stack.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:61:37
[INFO] [stderr]    |
[INFO] [stderr] 61 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/sys/unix/mod.rs:83:37
[INFO] [stderr]    |
[INFO] [stderr] 83 |     static PAGE_SIZE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `"docker" "inspect" "d7f32cd36c3cff9fb504e58a531050aafb719407e6f48a350cf5be75da4c2089"`
[INFO] running `"docker" "rm" "-f" "d7f32cd36c3cff9fb504e58a531050aafb719407e6f48a350cf5be75da4c2089"`
[INFO] [stdout] d7f32cd36c3cff9fb504e58a531050aafb719407e6f48a350cf5be75da4c2089
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/context/2.1.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ceab5ff61c064a0de1433598ed0b1ff0722478488212b964410f3988f443d6e9
[INFO] running `"docker" "start" "-a" "ceab5ff61c064a0de1433598ed0b1ff0722478488212b964410f3988f443d6e9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/context-e2da22b72d375d3b
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test context::tests::number_generator ... ok
[INFO] [stdout] test context::tests::resume_ontop ... ok
[INFO] [stdout] test context::tests::type_sizes ... ok
[INFO] [stdout] test stack::tests::stack_size_too_small ... ok
[INFO] [stdout] test stack::tests::stack_size_too_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests context
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ceab5ff61c064a0de1433598ed0b1ff0722478488212b964410f3988f443d6e9"`
[INFO] running `"docker" "rm" "-f" "ceab5ff61c064a0de1433598ed0b1ff0722478488212b964410f3988f443d6e9"`
[INFO] [stdout] ceab5ff61c064a0de1433598ed0b1ff0722478488212b964410f3988f443d6e9