[INFO] fetching crate i3-workspace-groups 0.2.2...
[INFO] testing i3-workspace-groups-0.2.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate i3-workspace-groups 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate i3-workspace-groups 0.2.2
[INFO] finished tweaking crates.io crate i3-workspace-groups 0.2.2
[INFO] tweaked toml for crates.io crate i3-workspace-groups 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate i3-workspace-groups 0.2.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.8)
[INFO] [stderr]       Adding i3ipc v0.9.0 (available: v0.10.1)
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded i3ipc v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fa6454fdd01054d37c760aa0978b75243a896243093b1003f6171113307809a
[INFO] running `Command { std: "docker" "start" "-a" "0fa6454fdd01054d37c760aa0978b75243a896243093b1003f6171113307809a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fa6454fdd01054d37c760aa0978b75243a896243093b1003f6171113307809a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa6454fdd01054d37c760aa0978b75243a896243093b1003f6171113307809a", kill_on_drop: false }`
[INFO] [stdout] 0fa6454fdd01054d37c760aa0978b75243a896243093b1003f6171113307809a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e11c5f1233c267d1cbe64db3e7ed86029cba9d6631f420b93414b128fd07e173
[INFO] running `Command { std: "docker" "start" "-a" "e11c5f1233c267d1cbe64db3e7ed86029cba9d6631f420b93414b128fd07e173", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling i3ipc v0.9.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling i3-workspace-groups v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/common.rs:40:61
[INFO] [stdout]     |
[INFO] [stdout]  40 |         $e.keys().map(|key| &key[..]).collect::<Vec<&str>>();
[INFO] [stdout]     |                                                             ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/controller.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         keys_to_strptr_vec!(self.get_groups())
[INFO] [stdout]     |         -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `keys_to_strptr_vec`
[INFO] [stdout]     = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this error originates in the macro `keys_to_strptr_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `i3-workspace-groups` (bin "i3-workspace-groups") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e11c5f1233c267d1cbe64db3e7ed86029cba9d6631f420b93414b128fd07e173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11c5f1233c267d1cbe64db3e7ed86029cba9d6631f420b93414b128fd07e173", kill_on_drop: false }`
[INFO] [stdout] e11c5f1233c267d1cbe64db3e7ed86029cba9d6631f420b93414b128fd07e173