[INFO] cloning repository https://github.com/pbartyik/window-renamer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pbartyik/window-renamer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbartyik%2Fwindow-renamer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbartyik%2Fwindow-renamer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4e31223d7423eb7088cce7a819e0ce79f186c28e [INFO] checking pbartyik/window-renamer against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbartyik%2Fwindow-renamer" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pbartyik/window-renamer on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pbartyik/window-renamer [INFO] finished tweaking git repo https://github.com/pbartyik/window-renamer [INFO] tweaked toml for git repo https://github.com/pbartyik/window-renamer written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/pbartyik/window-renamer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rexpect v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d37e114bf4930e764ca422a46e9514bbc00b720bcb9968952b86aca1668d2297 [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" "d37e114bf4930e764ca422a46e9514bbc00b720bcb9968952b86aca1668d2297", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d37e114bf4930e764ca422a46e9514bbc00b720bcb9968952b86aca1668d2297", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d37e114bf4930e764ca422a46e9514bbc00b720bcb9968952b86aca1668d2297", kill_on_drop: false }` [INFO] [stdout] d37e114bf4930e764ca422a46e9514bbc00b720bcb9968952b86aca1668d2297 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f78b3ab7292bc83c12f5c5e583ca08e302a0a4e04491ecd573518fb2c0d8ea4 [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" "4f78b3ab7292bc83c12f5c5e583ca08e302a0a4e04491ecd573518fb2c0d8ea4", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling lexical-core v0.7.4 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking miniz_oxide v0.4.0 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking serde-hjson v0.9.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking rexpect v0.4.0 [INFO] [stderr] Checking config v0.10.1 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking window_renamer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tokio::prelude` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:259:25 [INFO] [stdout] | [INFO] [stdout] 259 | my_tx.send(TreeInstruction::ProcessLine(line)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:290:21 [INFO] [stdout] | [INFO] [stdout] 290 | tx.send(TreeInstruction::Refresh).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:293:21 [INFO] [stdout] | [INFO] [stdout] 293 | tx.send(TreeInstruction::RemovePane(pane_id)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:310:37 [INFO] [stdout] | [INFO] [stdout] 310 | ... my_tx.send(TreeInstruction::ProcessLine(line)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:317:25 [INFO] [stdout] | [INFO] [stdout] 317 | sess.exp_eof(); // read everything, so process doesn't hang [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:362:5 [INFO] [stdout] | [INFO] [stdout] 362 | std::fs::remove_file(path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:259:25 [INFO] [stdout] | [INFO] [stdout] 259 | my_tx.send(TreeInstruction::ProcessLine(line)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:290:21 [INFO] [stdout] | [INFO] [stdout] 290 | tx.send(TreeInstruction::Refresh).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:293:21 [INFO] [stdout] | [INFO] [stdout] 293 | tx.send(TreeInstruction::RemovePane(pane_id)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:310:37 [INFO] [stdout] | [INFO] [stdout] 310 | ... my_tx.send(TreeInstruction::ProcessLine(line)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:317:25 [INFO] [stdout] | [INFO] [stdout] 317 | sess.exp_eof(); // read everything, so process doesn't hang [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:362:5 [INFO] [stdout] | [INFO] [stdout] 362 | std::fs::remove_file(path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.61s [INFO] running `Command { std: "docker" "inspect" "4f78b3ab7292bc83c12f5c5e583ca08e302a0a4e04491ecd573518fb2c0d8ea4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f78b3ab7292bc83c12f5c5e583ca08e302a0a4e04491ecd573518fb2c0d8ea4", kill_on_drop: false }` [INFO] [stdout] 4f78b3ab7292bc83c12f5c5e583ca08e302a0a4e04491ecd573518fb2c0d8ea4