[INFO] fetching crate refptr-macros 0.2.0...
[INFO] checking refptr-macros-0.2.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate refptr-macros 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate refptr-macros 0.2.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate refptr-macros 0.2.0
[INFO] finished tweaking crates.io crate refptr-macros 0.2.0
[INFO] tweaked toml for crates.io crate refptr-macros 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f5e475e54c41300cc88ad9610694bd37c8e4008254ee7951fe8d42d3bf5fbcb
[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" "9f5e475e54c41300cc88ad9610694bd37c8e4008254ee7951fe8d42d3bf5fbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f5e475e54c41300cc88ad9610694bd37c8e4008254ee7951fe8d42d3bf5fbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5e475e54c41300cc88ad9610694bd37c8e4008254ee7951fe8d42d3bf5fbcb", kill_on_drop: false }`
[INFO] [stdout] 9f5e475e54c41300cc88ad9610694bd37c8e4008254ee7951fe8d42d3bf5fbcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c70737f574be977c846ed2170a05ef866e1af61c42c9fd295b78fecf38c4e18
[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" "3c70737f574be977c846ed2170a05ef866e1af61c42c9fd295b78fecf38c4e18", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.73
[INFO] [stderr]     Checking refptr-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> src/lib.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 |         return Err(Error::new_spanned($ts, $err));
[INFO] [stdout]    |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 73 |             meta => fail!(meta, "unexpected refcounted argument"),
[INFO] [stdout]    |                     --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> src/lib.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 |         return Err(Error::new_spanned($ts, $err));
[INFO] [stdout]    |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 73 |             meta => fail!(meta, "unexpected refcounted argument"),
[INFO] [stdout]    |                     --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> src/lib.rs:12:50
[INFO] [stdout]     |
[INFO] [stdout] 12  |           return Err(Error::new_spanned($ts, $err));
[INFO] [stdout]     |                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 126 |           _ => fail!(
[INFO] [stdout]     |  ______________-
[INFO] [stdout] 127 | |             item,
[INFO] [stdout] 128 | |             "refcounted must be used on a struct with named fields"
[INFO] [stdout] 129 | |         ),
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> src/lib.rs:12:50
[INFO] [stdout]     |
[INFO] [stdout] 12  |           return Err(Error::new_spanned($ts, $err));
[INFO] [stdout]     |                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 126 |           _ => fail!(
[INFO] [stdout]     |  ______________-
[INFO] [stdout] 127 | |             item,
[INFO] [stdout] 128 | |             "refcounted must be used on a struct with named fields"
[INFO] [stdout] 129 | |         ),
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `refptr-macros`
[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] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3c70737f574be977c846ed2170a05ef866e1af61c42c9fd295b78fecf38c4e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c70737f574be977c846ed2170a05ef866e1af61c42c9fd295b78fecf38c4e18", kill_on_drop: false }`
[INFO] [stdout] 3c70737f574be977c846ed2170a05ef866e1af61c42c9fd295b78fecf38c4e18