[INFO] crate monkeys 0.1.0 is already in cache
[INFO] extracting crate monkeys 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/monkeys/0.1.0
[INFO] extracting crate monkeys 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/monkeys/0.1.0
[INFO] validating manifest of monkeys-0.1.0 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 monkeys-0.1.0 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 monkeys-0.1.0
[INFO] finished frobbing monkeys-0.1.0
[INFO] frobbed toml for monkeys-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/monkeys/0.1.0/Cargo.toml
[INFO] started frobbing monkeys-0.1.0
[INFO] finished frobbing monkeys-0.1.0
[INFO] frobbed toml for monkeys-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/monkeys/0.1.0/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 monkeys-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/monkeys/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 53b3246053874a797a5a67639742e2599ed241d3bf5a96dc6a178bb9d365dc1a
[INFO] running `"docker" "start" "-a" "53b3246053874a797a5a67639742e2599ed241d3bf5a96dc6a178bb9d365dc1a"`
[INFO] [stderr]    Compiling context v1.0.1
[INFO] [stderr]    Compiling monkeys v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::marker::Reflect`
[INFO] [stderr]   --> src/lib.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::marker::{PhantomData, Reflect};
[INFO] [stderr]    |                                ^^^^^^^ no `Reflect` in `marker`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::panic::AssertRecoverSafe`
[INFO] [stderr]   --> src/lib.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::panic::{self, AssertRecoverSafe};
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^ no `AssertRecoverSafe` in `panic`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected function, found macro `panic::propagate`
[INFO] [stderr]   --> src/lib.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     panic::propagate(Box::new(ForceUnwind));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: use `!` to invoke the macro: `panic::propagate!`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected function, found macro `panic::recover`
[INFO] [stderr]    --> src/lib.rs:124:22
[INFO] [stderr]     |
[INFO] [stderr] 124 |         let result = panic::recover(move || {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^ help: use `!` to invoke the macro: `panic::recover!`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_syntax)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(fnbox)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(recover, std_panic)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(reflect_marker)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(const_fn)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(panic_propagate)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Debug`, `self`
[INFO] [stderr]   --> src/lib.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::fmt::{self, Debug};
[INFO] [stderr]    |                ^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]   --> src/lib.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::collections::{HashMap, BTreeMap};
[INFO] [stderr]    |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicUsize`, `Ordering`
[INFO] [stderr]   --> src/lib.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stderr]    |                         ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ContextFn`
[INFO] [stderr]   --> src/lib.rs:21:34
[INFO] [stderr]    |
[INFO] [stderr] 21 | use context::{Context, Transfer, ContextFn};
[INFO] [stderr]    |                                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0423, E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0423`.
[INFO] [stderr] error: Could not compile `monkeys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "53b3246053874a797a5a67639742e2599ed241d3bf5a96dc6a178bb9d365dc1a"`
[INFO] running `"docker" "rm" "-f" "53b3246053874a797a5a67639742e2599ed241d3bf5a96dc6a178bb9d365dc1a"`
[INFO] [stdout] 53b3246053874a797a5a67639742e2599ed241d3bf5a96dc6a178bb9d365dc1a