[INFO] cloning repository https://github.com/i3-wsman/i3-wsman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/i3-wsman/i3-wsman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi3-wsman%2Fi3-wsman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi3-wsman%2Fi3-wsman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ed088e30512f3e15d63495265178e52953a9955
[INFO] checking i3-wsman/i3-wsman against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi3-wsman%2Fi3-wsman" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/i3-wsman/i3-wsman on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/i3-wsman/i3-wsman
[INFO] finished tweaking git repo https://github.com/i3-wsman/i3-wsman
[INFO] tweaked toml for git repo https://github.com/i3-wsman/i3-wsman written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/i3-wsman/i3-wsman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded i3ipc-types v0.16.0
[INFO] [stderr]   Downloaded configparser v3.0.2
[INFO] [stderr]   Downloaded i3_ipc v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41b8fac4cc7bdbd0caf779e74ab8545a1a1ee52ecb9c88012b0ab18542f9ee53
[INFO] running `Command { std: "docker" "start" "-a" "41b8fac4cc7bdbd0caf779e74ab8545a1a1ee52ecb9c88012b0ab18542f9ee53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41b8fac4cc7bdbd0caf779e74ab8545a1a1ee52ecb9c88012b0ab18542f9ee53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b8fac4cc7bdbd0caf779e74ab8545a1a1ee52ecb9c88012b0ab18542f9ee53", kill_on_drop: false }`
[INFO] [stdout] 41b8fac4cc7bdbd0caf779e74ab8545a1a1ee52ecb9c88012b0ab18542f9ee53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 122c0691e6325ce4494f62c76ddf088e4fdf06c38beb692752be580332cc2028
[INFO] running `Command { std: "docker" "start" "-a" "122c0691e6325ce4494f62c76ddf088e4fdf06c38beb692752be580332cc2028", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]     Checking configparser v3.0.2
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]    Compiling serde_repr v0.1.16
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking i3ipc-types v0.16.0
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking i3_ipc v0.16.0
[INFO] [stderr]     Checking i3-wsman v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/commands/cli/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `xdg` is imported redundantly
[INFO] [stdout]  --> src/commands/polybar/help.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use xdg;
[INFO] [stdout]   |     ^^^ the item `xdg` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/config/global/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/config/polybar/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `xdg` is imported redundantly
[INFO] [stdout]  --> src/config/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use xdg;
[INFO] [stdout]   |     ^^^ the item `xdg` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/commands/cli/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `xdg` is imported redundantly
[INFO] [stdout]  --> src/commands/polybar/help.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use xdg;
[INFO] [stdout]   |     ^^^ the item `xdg` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/config/global/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/config/polybar/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `xdg` is imported redundantly
[INFO] [stdout]  --> src/config/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use xdg;
[INFO] [stdout]   |     ^^^ the item `xdg` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `state::State::global_groups`
[INFO] [stdout]   --> src/state.rs:59:3
[INFO] [stdout]    |
[INFO] [stdout] 59 |         global_groups: vec![],
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `state::State::global_groups`
[INFO] [stdout]   --> src/state.rs:59:3
[INFO] [stdout]    |
[INFO] [stdout] 59 |         global_groups: vec![],
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `state::State::global_groups`
[INFO] [stdout]    --> src/state.rs:134:2
[INFO] [stdout]     |
[INFO] [stdout] 134 |     state.global_groups = state
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `state::State::global_groups`
[INFO] [stdout]    --> src/state.rs:134:2
[INFO] [stdout]     |
[INFO] [stdout] 134 |     state.global_groups = state
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_filtered_workspaces` is never used
[INFO] [stdout]   --> src/i3/mod.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn get_filtered_workspaces(force_output: bool) -> Vec<Workspace> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_neighbor` is never used
[INFO] [stdout]    --> src/i3/workspace.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 58  | impl Workspace {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub fn get_neighbor(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_filtered_workspaces` is never used
[INFO] [stdout]   --> src/i3/mod.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn get_filtered_workspaces(force_output: bool) -> Vec<Workspace> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_neighbor` is never used
[INFO] [stdout]    --> src/i3/workspace.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 58  | impl Workspace {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub fn get_neighbor(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.65s
[INFO] running `Command { std: "docker" "inspect" "122c0691e6325ce4494f62c76ddf088e4fdf06c38beb692752be580332cc2028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "122c0691e6325ce4494f62c76ddf088e4fdf06c38beb692752be580332cc2028", kill_on_drop: false }`
[INFO] [stdout] 122c0691e6325ce4494f62c76ddf088e4fdf06c38beb692752be580332cc2028