[INFO] fetching crate dotenv_codegen 0.15.0...
[INFO] checking dotenv_codegen-0.15.0 against beta for pr-78714
[INFO] extracting crate dotenv_codegen 0.15.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dotenv_codegen 0.15.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f92f0e858228dd25b401a60efc3edf6d03629e32cd1b3350519a5446b9a3491
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3f92f0e858228dd25b401a60efc3edf6d03629e32cd1b3350519a5446b9a3491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f92f0e858228dd25b401a60efc3edf6d03629e32cd1b3350519a5446b9a3491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f92f0e858228dd25b401a60efc3edf6d03629e32cd1b3350519a5446b9a3491", kill_on_drop: false }`
[INFO] [stdout] 3f92f0e858228dd25b401a60efc3edf6d03629e32cd1b3350519a5446b9a3491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 975380b0e604d708f711bddf40c7d67749a739aa2d425a993af3cb7a48bacef1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "975380b0e604d708f711bddf40c7d67749a739aa2d425a993af3cb7a48bacef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling dotenv_codegen_implementation v0.15.0
[INFO] [stderr]     Checking dotenv_codegen v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]  --> tests/basic_dotenv_macro.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     assert_eq!(dotenv!("CODEGEN_TEST_VAR1"), "hello!");
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: Error loading .env file: path not found
[INFO] [stdout]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> tests/basic_dotenv_macro.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | /         dotenv!(
[INFO] [stdout] 13 | |             "CODEGEN_TEST_VAR2",
[INFO] [stdout] 14 | |             "err, you should be running this in the 'dotenv_codegen' \
[INFO] [stdout] 15 | |              directory to pick up the right .env file."
[INFO] [stdout] 16 | |         ),
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: Error loading .env file: path not found
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stdout]  --> tests/basic_dotenv_macro.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     assert_eq!(dotenv!("CODEGEN_TEST_VAR1"), "hello!");
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stdout]   --> tests/basic_dotenv_macro.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | /         dotenv!(
[INFO] [stdout] 13 | |             "CODEGEN_TEST_VAR2",
[INFO] [stdout] 14 | |             "err, you should be running this in the 'dotenv_codegen' \
[INFO] [stdout] 15 | |              directory to pick up the right .env file."
[INFO] [stdout] 16 | |         ),
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotenv_codegen`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "975380b0e604d708f711bddf40c7d67749a739aa2d425a993af3cb7a48bacef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975380b0e604d708f711bddf40c7d67749a739aa2d425a993af3cb7a48bacef1", kill_on_drop: false }`
[INFO] [stdout] 975380b0e604d708f711bddf40c7d67749a739aa2d425a993af3cb7a48bacef1