[INFO] updating cached repository kcking/meter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kcking/meter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kcking/meter" "work/ex/beta-1.37-6/sources/1.36.0/gh/kcking/meter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kcking/meter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kcking/meter" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kcking/meter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kcking/meter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4d0919460cd205beac7ec3b16160770e59686c37
[INFO] sha for GitHub repo kcking/meter: 4d0919460cd205beac7ec3b16160770e59686c37
[INFO] validating manifest of kcking/meter 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 kcking/meter 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 kcking/meter
[INFO] finished frobbing kcking/meter
[INFO] frobbed toml for kcking/meter written to work/ex/beta-1.37-6/sources/1.36.0/gh/kcking/meter/Cargo.toml
[INFO] started frobbing kcking/meter
[INFO] finished frobbing kcking/meter
[INFO] frobbed toml for kcking/meter written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kcking/meter/Cargo.toml
[INFO] crate kcking/meter already has a lockfile, it will not be regenerated
[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 kcking/meter 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-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kcking/meter:/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] 57e962f086bbb350189ce068378ccd335990f4fd5ac642ff7f8559d61715fe54
[INFO] running `"docker" "start" "-a" "57e962f086bbb350189ce068378ccd335990f4fd5ac642ff7f8559d61715fe54"`
[INFO] [stderr]    Compiling kissfft v0.0.9 (https://github.com/kcking/rust-kissfft.git#3302ffc1)
[INFO] [stderr]    Compiling sample v0.2.0
[INFO] [stderr]    Compiling bounded-spsc-queue v0.0.1 (https://github.com/kcking/bounded-spsc-queue.git#cc86ac21)
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling portaudio v0.5.1
[INFO] [stderr]    Compiling osc v0.1.0 (https://github.com/generalelectrix/rust-osc.git#423d0ad7)
[INFO] [stderr]    Compiling pistoncore-input v0.15.0
[INFO] [stderr] error[E0463]: can't find crate for `collections`
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rust-kissfft-c626910585dbcc20/3302ffc/build.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | extern crate collections;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `kissfft`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/bounded-spsc-queue-3b2730a9eb87405f/cc86ac2/src/lib.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use alloc::heap::{allocate, deallocate};
[INFO] [stderr]    |            ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `oom` in module `alloc`
[INFO] [stderr]    --> /opt/crater/cargo-home/git/checkouts/bounded-spsc-queue-3b2730a9eb87405f/cc86ac2/src/lib.rs:296:33
[INFO] [stderr]     |
[INFO] [stderr] 296 |     if ptr.is_null() { ::alloc::oom() }
[INFO] [stderr]     |                                 ^^^ not found in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/bounded-spsc-queue-3b2730a9eb87405f/cc86ac2/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(core, alloc, box_syntax, optin_builtin_traits, heap_api, oom)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `bounded-spsc-queue`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "57e962f086bbb350189ce068378ccd335990f4fd5ac642ff7f8559d61715fe54"`
[INFO] running `"docker" "rm" "-f" "57e962f086bbb350189ce068378ccd335990f4fd5ac642ff7f8559d61715fe54"`
[INFO] [stdout] 57e962f086bbb350189ce068378ccd335990f4fd5ac642ff7f8559d61715fe54