[INFO] cloning repository https://github.com/theotherphil/lag [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theotherphil/lag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheotherphil%2Flag", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheotherphil%2Flag'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 995874e5cfa20f8b4d5a7e4c5ef32273aa3e65f2 [INFO] checking theotherphil/lag against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheotherphil%2Flag" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/theotherphil/lag on toolchain 4a04890980766cc79878135f5ade8c0c4321e943 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/theotherphil/lag [INFO] finished tweaking git repo https://github.com/theotherphil/lag [INFO] tweaked toml for git repo https://github.com/theotherphil/lag written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/theotherphil/lag already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro-error-attr v0.4.10 [INFO] [stderr] Downloaded lazysort v0.2.1 [INFO] [stderr] Downloaded proc-macro-error v0.4.10 [INFO] [stderr] Downloaded crossterm_winapi v0.5.1 [INFO] [stderr] Downloaded crossterm v0.14.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb9808a2a2fedfe1dd65ab3c0540d0a9a44f33d5352be87c0b450ee50d15ce87 [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" "bb9808a2a2fedfe1dd65ab3c0540d0a9a44f33d5352be87c0b450ee50d15ce87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb9808a2a2fedfe1dd65ab3c0540d0a9a44f33d5352be87c0b450ee50d15ce87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb9808a2a2fedfe1dd65ab3c0540d0a9a44f33d5352be87c0b450ee50d15ce87", kill_on_drop: false }` [INFO] [stdout] bb9808a2a2fedfe1dd65ab3c0540d0a9a44f33d5352be87c0b450ee50d15ce87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07664ad593f4f2303a3cb993558b60d8cf49ad81141853136de7ffd46a0b1724 [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" "07664ad593f4f2303a3cb993558b60d8cf49ad81141853136de7ffd46a0b1724", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking lazysort v0.2.1 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.10 [INFO] [stderr] Compiling proc-macro-error v0.4.10 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking signal-hook v0.1.13 [INFO] [stderr] Checking backtrace v0.3.44 [INFO] [stderr] Checking crossterm v0.14.2 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking tui v0.8.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Compiling structopt-derive v0.4.2 [INFO] [stderr] Checking structopt v0.3.9 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking crossterm v0.16.0 [INFO] [stderr] Checking lag v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/app.rs:210:9 [INFO] [stdout] | [INFO] [stdout] 210 | (0..self.lines.len()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/app.rs:210:9 [INFO] [stdout] | [INFO] [stdout] 210 | (0..self.lines.len()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 12s [INFO] running `Command { std: "docker" "inspect" "07664ad593f4f2303a3cb993558b60d8cf49ad81141853136de7ffd46a0b1724", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07664ad593f4f2303a3cb993558b60d8cf49ad81141853136de7ffd46a0b1724", kill_on_drop: false }` [INFO] [stdout] 07664ad593f4f2303a3cb993558b60d8cf49ad81141853136de7ffd46a0b1724