[INFO] fetching crate i3-workspace-groups 0.2.2...
[INFO] testing i3-workspace-groups-0.2.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate i3-workspace-groups 0.2.2 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate i3-workspace-groups 0.2.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded i3ipc v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e1d2ebd1e171d3d132a790d41307b57f8c41f0f502b2f37a169440370f1e9e4
[INFO] running `Command { std: "docker" "start" "-a" "9e1d2ebd1e171d3d132a790d41307b57f8c41f0f502b2f37a169440370f1e9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e1d2ebd1e171d3d132a790d41307b57f8c41f0f502b2f37a169440370f1e9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1d2ebd1e171d3d132a790d41307b57f8c41f0f502b2f37a169440370f1e9e4", kill_on_drop: false }`
[INFO] [stdout] 9e1d2ebd1e171d3d132a790d41307b57f8c41f0f502b2f37a169440370f1e9e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef822af253d0459e4126453f044ab8c979c9f45f1b27ad1a8fbe19e97888035f
[INFO] running `Command { std: "docker" "start" "-a" "ef822af253d0459e4126453f044ab8c979c9f45f1b27ad1a8fbe19e97888035f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling i3ipc v0.9.0
[INFO] [stderr]    Compiling i3-workspace-groups v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 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]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[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: this warning originates in the macro `keys_to_strptr_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.80s
[INFO] running `Command { std: "docker" "inspect" "ef822af253d0459e4126453f044ab8c979c9f45f1b27ad1a8fbe19e97888035f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef822af253d0459e4126453f044ab8c979c9f45f1b27ad1a8fbe19e97888035f", kill_on_drop: false }`
[INFO] [stdout] ef822af253d0459e4126453f044ab8c979c9f45f1b27ad1a8fbe19e97888035f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edf9066d81e094aa6eb9a6af6b4b20a6df50069f6bddbeec84fd3ac3aa9a19c1
[INFO] running `Command { std: "docker" "start" "-a" "edf9066d81e094aa6eb9a6af6b4b20a6df50069f6bddbeec84fd3ac3aa9a19c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling i3-workspace-groups v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 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]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[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: this warning originates in the macro `keys_to_strptr_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "edf9066d81e094aa6eb9a6af6b4b20a6df50069f6bddbeec84fd3ac3aa9a19c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf9066d81e094aa6eb9a6af6b4b20a6df50069f6bddbeec84fd3ac3aa9a19c1", kill_on_drop: false }`
[INFO] [stdout] edf9066d81e094aa6eb9a6af6b4b20a6df50069f6bddbeec84fd3ac3aa9a19c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfedc6ed498234eebb652cf4294db5faae5fb75195c84708aa84c562fb44476f
[INFO] running `Command { std: "docker" "start" "-a" "dfedc6ed498234eebb652cf4294db5faae5fb75195c84708aa84c562fb44476f", kill_on_drop: false }`
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/common.rs:40:61
[INFO] [stderr]     |
[INFO] [stderr] 40  |         $e.keys().map(|key| &key[..]).collect::<Vec<&str>>();
[INFO] [stderr]     |                                                             ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/controller.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |         keys_to_strptr_vec!(self.get_groups())
[INFO] [stderr]     |         -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `keys_to_strptr_vec`
[INFO] [stderr]     = note: this warning originates in the macro `keys_to_strptr_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `i3-workspace-groups` (bin "i3-workspace-groups" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/i3_workspace_groups-9a80eb87f8fc9d7f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfedc6ed498234eebb652cf4294db5faae5fb75195c84708aa84c562fb44476f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfedc6ed498234eebb652cf4294db5faae5fb75195c84708aa84c562fb44476f", kill_on_drop: false }`
[INFO] [stdout] dfedc6ed498234eebb652cf4294db5faae5fb75195c84708aa84c562fb44476f