[INFO] cloning repository https://github.com/liamzdenek/caption-reading-speed [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liamzdenek/caption-reading-speed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamzdenek%2Fcaption-reading-speed", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamzdenek%2Fcaption-reading-speed'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a84e8e9d30011f974c05356b289bede388dde9b0 [INFO] checking liamzdenek/caption-reading-speed against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamzdenek%2Fcaption-reading-speed" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/liamzdenek/caption-reading-speed on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/liamzdenek/caption-reading-speed [INFO] finished tweaking git repo https://github.com/liamzdenek/caption-reading-speed [INFO] tweaked toml for git repo https://github.com/liamzdenek/caption-reading-speed written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/liamzdenek/caption-reading-speed already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded derive_builder_core v0.4.1 [INFO] [stderr] Downloaded derive_builder v0.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a0ed4bdb5b97a2c07256c3da74a43005dcd1827ebf9cefd5540607892770d7f6 [INFO] running `Command { std: "docker" "start" "-a" "a0ed4bdb5b97a2c07256c3da74a43005dcd1827ebf9cefd5540607892770d7f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0ed4bdb5b97a2c07256c3da74a43005dcd1827ebf9cefd5540607892770d7f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0ed4bdb5b97a2c07256c3da74a43005dcd1827ebf9cefd5540607892770d7f6", kill_on_drop: false }` [INFO] [stdout] a0ed4bdb5b97a2c07256c3da74a43005dcd1827ebf9cefd5540607892770d7f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac015224f2db9d7c8c01b322683a0cb6f6c54aea0eb1ee57d9a4e1eee1bbd776 [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" "ac015224f2db9d7c8c01b322683a0cb6f6c54aea0eb1ee57d9a4e1eee1bbd776", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling derive_builder v0.7.1 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling darling_core v0.8.6 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling darling_macro v0.8.6 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Compiling darling v0.8.6 [INFO] [stderr] Compiling derive_builder_core v0.4.1 [INFO] [stderr] Checking reading-speed v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | let mut file = File::open(filename)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | let mut buf_reader = BufReader::new(file); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | let mut file = File::open(filename)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | let mut buf_reader = BufReader::new(file); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `encode` [INFO] [stdout] --> src/main.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 103 | fn encode() -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(duration_float)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `endTime` should have a snake case name [INFO] [stdout] --> src/main.rs:112:2 [INFO] [stdout] | [INFO] [stdout] 112 | endTime: Duration, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `endTime` should have a snake case name [INFO] [stdout] --> src/main.rs:112:2 [INFO] [stdout] | [INFO] [stdout] 112 | endTime: Duration, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `encode` [INFO] [stdout] --> src/main.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 103 | fn encode() -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(duration_float)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `endTime` should have a snake case name [INFO] [stdout] --> src/main.rs:112:2 [INFO] [stdout] | [INFO] [stdout] 112 | endTime: Duration, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `endTime` should have a snake case name [INFO] [stdout] --> src/main.rs:112:2 [INFO] [stdout] | [INFO] [stdout] 112 | endTime: Duration, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.70s [INFO] running `Command { std: "docker" "inspect" "ac015224f2db9d7c8c01b322683a0cb6f6c54aea0eb1ee57d9a4e1eee1bbd776", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac015224f2db9d7c8c01b322683a0cb6f6c54aea0eb1ee57d9a4e1eee1bbd776", kill_on_drop: false }` [INFO] [stdout] ac015224f2db9d7c8c01b322683a0cb6f6c54aea0eb1ee57d9a4e1eee1bbd776