[INFO] crate dotenv_codegen 0.15.0 is already in cache
[INFO] testing dotenv_codegen-0.15.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate dotenv_codegen 0.15.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dotenv_codegen 0.15.0 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 dotenv_codegen 0.15.0
[INFO] finished tweaking crates.io crate dotenv_codegen 0.15.0
[INFO] tweaked toml for crates.io crate dotenv_codegen 0.15.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 83d35a3e047c011d7954a232310146506e6325203aed9573a1cb7d89521a8a76
[INFO] running `"docker" "start" "-a" "83d35a3e047c011d7954a232310146506e6325203aed9573a1cb7d89521a8a76"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling dotenv_codegen_implementation v0.15.0
[INFO] [stderr]    Compiling dotenv_codegen v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `"docker" "inspect" "83d35a3e047c011d7954a232310146506e6325203aed9573a1cb7d89521a8a76"`
[INFO] running `"docker" "rm" "-f" "83d35a3e047c011d7954a232310146506e6325203aed9573a1cb7d89521a8a76"`
[INFO] [stdout] 83d35a3e047c011d7954a232310146506e6325203aed9573a1cb7d89521a8a76
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] fe246729cb522703d99bfbb123e5c2ecbaeb32f0d1c01d18a35ba516858624a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fe246729cb522703d99bfbb123e5c2ecbaeb32f0d1c01d18a35ba516858624a4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling dotenv_codegen v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: proc-macro derive panicked
[INFO] [stderr]  --> tests/basic_dotenv_macro.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 |     assert_eq!(dotenv!("CODEGEN_TEST_VAR1"), "hello!");
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: message: Error loading .env file: path not found
[INFO] [stderr]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: proc-macro derive panicked
[INFO] [stderr]   --> tests/basic_dotenv_macro.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | /         dotenv!(
[INFO] [stderr] 13 | |             "CODEGEN_TEST_VAR2",
[INFO] [stderr] 14 | |             "err, you should be running this in the 'dotenv_codegen' \
[INFO] [stderr] 15 | |              directory to pick up the right .env file."
[INFO] [stderr] 16 | |         ),
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: message: Error loading .env file: path not found
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stderr]  --> tests/basic_dotenv_macro.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 |     assert_eq!(dotenv!("CODEGEN_TEST_VAR1"), "hello!");
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stderr]   --> tests/basic_dotenv_macro.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | /         dotenv!(
[INFO] [stderr] 13 | |             "CODEGEN_TEST_VAR2",
[INFO] [stderr] 14 | |             "err, you should be running this in the 'dotenv_codegen' \
[INFO] [stderr] 15 | |              directory to pick up the right .env file."
[INFO] [stderr] 16 | |         ),
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `dotenv_codegen`.
[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" "fe246729cb522703d99bfbb123e5c2ecbaeb32f0d1c01d18a35ba516858624a4"`
[INFO] running `"docker" "rm" "-f" "fe246729cb522703d99bfbb123e5c2ecbaeb32f0d1c01d18a35ba516858624a4"`
[INFO] [stdout] fe246729cb522703d99bfbb123e5c2ecbaeb32f0d1c01d18a35ba516858624a4