[INFO] updating cached repository https://github.com/mgattozzi/ysh
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 35164f177db123aea1c6d115b6eb2af73af2608f
[INFO] testing mgattozzi/ysh against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Fysh" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgattozzi/ysh on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mgattozzi/ysh
[INFO] finished tweaking git repo https://github.com/mgattozzi/ysh
[INFO] tweaked toml for git repo https://github.com/mgattozzi/ysh written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mgattozzi/ysh already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5b0d00ed7bfcbf053d1a02a34caeed47199b0ec72833d9bb31bbae5a3d7799c
[INFO] running `"docker" "start" "-a" "a5b0d00ed7bfcbf053d1a02a34caeed47199b0ec72833d9bb31bbae5a3d7799c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling winapi v0.3.5
[INFO] [stderr]    Compiling termios v0.3.0
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling os_pipe v0.6.2
[INFO] [stderr]    Compiling nom v4.0.0 (https://github.com/myrrlyn/nom?branch=2018-edition#f6b927b0)
[INFO] [stderr]    Compiling crossterm v0.4.1 (https://github.com/hawkw/crossterm.git?branch=fix-write#3cb236d0)
[INFO] [stderr]    Compiling shared_child v0.3.3
[INFO] [stderr]    Compiling duct v0.11.0
[INFO] [stderr]    Compiling ysh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(crate_visibility_modifier)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/token.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |     compose(str::trim_left, tokenizer)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `ysh`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a5b0d00ed7bfcbf053d1a02a34caeed47199b0ec72833d9bb31bbae5a3d7799c"`
[INFO] running `"docker" "rm" "-f" "a5b0d00ed7bfcbf053d1a02a34caeed47199b0ec72833d9bb31bbae5a3d7799c"`
[INFO] [stdout] a5b0d00ed7bfcbf053d1a02a34caeed47199b0ec72833d9bb31bbae5a3d7799c