[INFO] fetching crate libmars 0.6.1...
[INFO] testing libmars-0.6.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate libmars 0.6.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate libmars 0.6.1
[INFO] finished tweaking crates.io crate libmars 0.6.1
[INFO] tweaked toml for crates.io crate libmars 0.6.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libmars 0.6.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libmars 0.6.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xdg v3.0.0
[INFO] [stderr]   Downloaded x11 v2.21.0
[INFO] [stderr]   Downloaded unsafe-libyaml-norway v0.2.15
[INFO] [stderr]   Downloaded serde_norway v0.9.42
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb0f610b71fd73a5b12231819253b74d085d3e829c76db30a09289e6a67bd555
[INFO] running `Command { std: "docker" "start" "-a" "eb0f610b71fd73a5b12231819253b74d085d3e829c76db30a09289e6a67bd555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb0f610b71fd73a5b12231819253b74d085d3e829c76db30a09289e6a67bd555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0f610b71fd73a5b12231819253b74d085d3e829c76db30a09289e6a67bd555", kill_on_drop: false }`
[INFO] [stdout] eb0f610b71fd73a5b12231819253b74d085d3e829c76db30a09289e6a67bd555
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 479f8889994db14f167c0b14de3632d1743a13d0d06c3f408698499e3b5a728c
[INFO] running `Command { std: "docker" "start" "-a" "479f8889994db14f167c0b14de3632d1743a13d0d06c3f408698499e3b5a728c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling libmars v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/interfaces/wm.rs:119:27
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn run(self, wm: &mut (dyn WindowManager<Self, A>));
[INFO] [stdout]     |                           ^                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -     fn run(self, wm: &mut (dyn WindowManager<Self, A>));
[INFO] [stdout] 119 +     fn run(self, wm: &mut dyn WindowManager<Self, A>);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "479f8889994db14f167c0b14de3632d1743a13d0d06c3f408698499e3b5a728c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "479f8889994db14f167c0b14de3632d1743a13d0d06c3f408698499e3b5a728c", kill_on_drop: false }`
[INFO] [stdout] 479f8889994db14f167c0b14de3632d1743a13d0d06c3f408698499e3b5a728c
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f26c1d4576ed50887d95841fa5c30e5015cadb31931ece053d4e4b41599b4ae
[INFO] running `Command { std: "docker" "start" "-a" "7f26c1d4576ed50887d95841fa5c30e5015cadb31931ece053d4e4b41599b4ae", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/interfaces/wm.rs:119:27
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn run(self, wm: &mut (dyn WindowManager<Self, A>));
[INFO] [stdout]     |                           ^                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -     fn run(self, wm: &mut (dyn WindowManager<Self, A>));
[INFO] [stdout] 119 +     fn run(self, wm: &mut dyn WindowManager<Self, A>);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libmars v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/interfaces/wm.rs:119:27
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn run(self, wm: &mut (dyn WindowManager<Self, A>));
[INFO] [stdout]     |                           ^                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -     fn run(self, wm: &mut (dyn WindowManager<Self, A>));
[INFO] [stdout] 119 +     fn run(self, wm: &mut dyn WindowManager<Self, A>);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "7f26c1d4576ed50887d95841fa5c30e5015cadb31931ece053d4e4b41599b4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f26c1d4576ed50887d95841fa5c30e5015cadb31931ece053d4e4b41599b4ae", kill_on_drop: false }`
[INFO] [stdout] 7f26c1d4576ed50887d95841fa5c30e5015cadb31931ece053d4e4b41599b4ae
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e682e14abd46406961315d2684d8cfec3d944dad5984c9b267977e00722495a
[INFO] running `Command { std: "docker" "start" "-a" "0e682e14abd46406961315d2684d8cfec3d944dad5984c9b267977e00722495a", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/interfaces/wm.rs:119:27
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn run(self, wm: &mut (dyn WindowManager<Self, A>));
[INFO] [stderr]     |                           ^                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 119 -     fn run(self, wm: &mut (dyn WindowManager<Self, A>));
[INFO] [stderr] 119 +     fn run(self, wm: &mut dyn WindowManager<Self, A>);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `libmars` (lib) generated 1 warning (run `cargo fix --lib -p libmars` to apply 1 suggestion)
[INFO] [stderr] warning: `libmars` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libmars-9b95bfa433c3df52)
[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] [stderr]    Doc-tests libmars
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/interfaces/wm.rs:119:27
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn run(self, wm: &mut (dyn WindowManager<Self, A>));
[INFO] [stderr]     |                           ^                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 119 -     fn run(self, wm: &mut (dyn WindowManager<Self, A>));
[INFO] [stderr] 119 +     fn run(self, wm: &mut dyn WindowManager<Self, A>);
[INFO] [stderr]     |
[INFO] [stderr] 
[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] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "0e682e14abd46406961315d2684d8cfec3d944dad5984c9b267977e00722495a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e682e14abd46406961315d2684d8cfec3d944dad5984c9b267977e00722495a", kill_on_drop: false }`
[INFO] [stdout] 0e682e14abd46406961315d2684d8cfec3d944dad5984c9b267977e00722495a