[INFO] updating cached repository https://github.com/pbtrung/rsbup
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 53eee9261cfb0a7cd9a12b3b8af3f0691509de38
[INFO] testing pbtrung/rsbup against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbtrung%2Frsbup" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pbtrung/rsbup on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pbtrung/rsbup
[INFO] finished tweaking git repo https://github.com/pbtrung/rsbup
[INFO] tweaked toml for git repo https://github.com/pbtrung/rsbup written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pbtrung/rsbup already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] a488bc2f0558cbe58a63f56173dbae134acb379e2687e21726c7e7215c3ab0a6
[INFO] running `"docker" "start" "-a" "a488bc2f0558cbe58a63f56173dbae134acb379e2687e21726c7e7215c3ab0a6"`
[INFO] [stderr]    Compiling cc v1.0.5
[INFO] [stderr]    Compiling bounded-spsc-queue v0.2.0
[INFO] [stderr]    Compiling hc256 v0.1.6
[INFO] [stderr]    Compiling zstd-sys v1.4.2+zstd.1.3.3
[INFO] [stderr]    Compiling rsbup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_json v1.0.10
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling tokio-io v0.1.5
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling regex v0.2.7
[INFO] [stderr]    Compiling slog-async v2.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling argon2rs v0.2.5 (https://github.com/bryant/argon2rs#b57ff2e7)
[INFO] [stderr]    Compiling slog-term v2.3.0
[INFO] [stderr] error[E0432]: unresolved import `alloc::allocator`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bounded-spsc-queue-0.2.0/src/lib.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | use alloc::allocator::{Alloc, Layout};
[INFO] [stderr]    |            ^^^^^^^^^ could not find `allocator` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bounded-spsc-queue-0.2.0/src/lib.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use alloc::heap::Heap;
[INFO] [stderr]    |            ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bounded-spsc-queue-0.2.0/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(allocator_api, alloc, box_syntax, optin_builtin_traits)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[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" "a488bc2f0558cbe58a63f56173dbae134acb379e2687e21726c7e7215c3ab0a6"`
[INFO] running `"docker" "rm" "-f" "a488bc2f0558cbe58a63f56173dbae134acb379e2687e21726c7e7215c3ab0a6"`
[INFO] [stdout] a488bc2f0558cbe58a63f56173dbae134acb379e2687e21726c7e7215c3ab0a6