[INFO] crate cmd-macro 0.1.2 is already in cache
[INFO] testing cmd-macro-0.1.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate cmd-macro 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cmd-macro 0.1.2 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 crates.io crate cmd-macro 0.1.2
[INFO] finished tweaking crates.io crate cmd-macro 0.1.2
[INFO] tweaked toml for crates.io crate cmd-macro 0.1.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] a5dec1b75931c2c9ef2de3627e7977c2cafb0ea1d52f7890e9569d44fbe5ee55
[INFO] running `"docker" "start" "-a" "a5dec1b75931c2c9ef2de3627e7977c2cafb0ea1d52f7890e9569d44fbe5ee55"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling cmd-derive v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling cmd-macro v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.29s
[INFO] running `"docker" "inspect" "a5dec1b75931c2c9ef2de3627e7977c2cafb0ea1d52f7890e9569d44fbe5ee55"`
[INFO] running `"docker" "rm" "-f" "a5dec1b75931c2c9ef2de3627e7977c2cafb0ea1d52f7890e9569d44fbe5ee55"`
[INFO] [stdout] a5dec1b75931c2c9ef2de3627e7977c2cafb0ea1d52f7890e9569d44fbe5ee55
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a2b062a95807e1ae732e2641dfb4729781f06e5cab7a78b093624314d773317
[INFO] running `"docker" "start" "-a" "2a2b062a95807e1ae732e2641dfb4729781f06e5cab7a78b093624314d773317"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cmd-macro v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: internal error: could not join spans
[INFO] [stderr]  --> tests/test.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let echo = cmd!(/bin/echo foo).expect("could not execute command");
[INFO] [stderr]   |                     ^
[INFO] [stderr] 
[INFO] [stderr] error: internal error: could not join spans
[INFO] [stderr]   --> tests/test.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let files = cmd!(ls | grep Cargo).expect("could not execute command");
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] error: internal error: could not join spans
[INFO] [stderr]   --> tests/test.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let files = cmd!(ls | grep #cargo).expect("could not execute command");
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] error: internal error: could not join spans
[INFO] [stderr]   --> tests/test.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let echo = cmd!(echo ####1###).expect("could not execute command");
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: internal error: could not join spans
[INFO] [stderr]   --> tests/test.rs:41:27
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let echo = cmd!(echo {a | echo b}).expect("could not execute command");
[INFO] [stderr]    |                           ^
[INFO] [stderr] 
[INFO] [stderr] error: internal error: could not join spans
[INFO] [stderr]   --> tests/test.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let echo_workaround = cmd!(echo #{"{a"} | echo #{"b}"}).expect("could not execute command");
[INFO] [stderr]    |                                ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: internal error: could not join spans
[INFO] [stderr]   --> tests/test.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let echo = cmd!(echo --foo="$HOME :)").expect("could not execute command");
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> tests/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro_hygiene)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `cmd-macro`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2a2b062a95807e1ae732e2641dfb4729781f06e5cab7a78b093624314d773317"`
[INFO] running `"docker" "rm" "-f" "2a2b062a95807e1ae732e2641dfb4729781f06e5cab7a78b093624314d773317"`
[INFO] [stdout] 2a2b062a95807e1ae732e2641dfb4729781f06e5cab7a78b093624314d773317