[INFO] updating cached repository https://github.com/liamzdenek/caption-reading-speed [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a84e8e9d30011f974c05356b289bede388dde9b0 [INFO] testing liamzdenek/caption-reading-speed against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamzdenek%2Fcaption-reading-speed" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/liamzdenek/caption-reading-speed on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [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-2/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 `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8b6894c20f9a66eca1fcd05c3d712d443f256dadc89a1e107b8a310ccb6d51e3 [INFO] running `"docker" "start" "-a" "8b6894c20f9a66eca1fcd05c3d712d443f256dadc89a1e107b8a310ccb6d51e3"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling derive_builder v0.7.1 [INFO] [stderr] Compiling rustc-demangle v0.1.14 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [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 failure_derive v0.1.5 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling darling_macro v0.8.6 [INFO] [stderr] Compiling darling v0.8.6 [INFO] [stderr] Compiling derive_builder_core v0.4.1 [INFO] [stderr] Compiling reading-speed v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:23:6 [INFO] [stderr] | [INFO] [stderr] 23 | let mut file = File::open(filename)?; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:25:6 [INFO] [stderr] | [INFO] [stderr] 25 | let mut buf_reader = BufReader::new(file); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `encode` [INFO] [stderr] --> src/main.rs:103:2 [INFO] [stderr] | [INFO] [stderr] 103 | fn encode() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(duration_float)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `endTime` should have a snake case name [INFO] [stderr] --> src/main.rs:112:2 [INFO] [stderr] | [INFO] [stderr] 112 | endTime: Duration, [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stderr] [INFO] [stderr] warning: structure field `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] [INFO] [stderr] warning: method `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] [INFO] [stderr] warning: method `endTime` should have a snake case name [INFO] [stderr] --> src/main.rs:112:2 [INFO] [stderr] | [INFO] [stderr] 112 | endTime: Duration, [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 56.30s [INFO] running `"docker" "inspect" "8b6894c20f9a66eca1fcd05c3d712d443f256dadc89a1e107b8a310ccb6d51e3"` [INFO] running `"docker" "rm" "-f" "8b6894c20f9a66eca1fcd05c3d712d443f256dadc89a1e107b8a310ccb6d51e3"` [INFO] [stdout] 8b6894c20f9a66eca1fcd05c3d712d443f256dadc89a1e107b8a310ccb6d51e3 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 12e8259b0d737921d0b18509274ac3289b6dc49b1d4793706d140ca1ffea1acb [INFO] running `"docker" "start" "-a" "12e8259b0d737921d0b18509274ac3289b6dc49b1d4793706d140ca1ffea1acb"` [INFO] [stderr] Compiling reading-speed v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:23:6 [INFO] [stderr] | [INFO] [stderr] 23 | let mut file = File::open(filename)?; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:25:6 [INFO] [stderr] | [INFO] [stderr] 25 | let mut buf_reader = BufReader::new(file); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `encode` [INFO] [stderr] --> src/main.rs:103:2 [INFO] [stderr] | [INFO] [stderr] 103 | fn encode() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(duration_float)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `endTime` should have a snake case name [INFO] [stderr] --> src/main.rs:112:2 [INFO] [stderr] | [INFO] [stderr] 112 | endTime: Duration, [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stderr] [INFO] [stderr] warning: structure field `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] [INFO] [stderr] warning: method `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] [INFO] [stderr] warning: method `endTime` should have a snake case name [INFO] [stderr] --> src/main.rs:112:2 [INFO] [stderr] | [INFO] [stderr] 112 | endTime: Duration, [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `"docker" "inspect" "12e8259b0d737921d0b18509274ac3289b6dc49b1d4793706d140ca1ffea1acb"` [INFO] running `"docker" "rm" "-f" "12e8259b0d737921d0b18509274ac3289b6dc49b1d4793706d140ca1ffea1acb"` [INFO] [stdout] 12e8259b0d737921d0b18509274ac3289b6dc49b1d4793706d140ca1ffea1acb [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1a625bf45a27d9c9f5938d9676432a6971f508174cd2d7283aa81207a5bec6aa [INFO] running `"docker" "start" "-a" "1a625bf45a27d9c9f5938d9676432a6971f508174cd2d7283aa81207a5bec6aa"` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:23:6 [INFO] [stderr] | [INFO] [stderr] 23 | let mut file = File::open(filename)?; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:25:6 [INFO] [stderr] | [INFO] [stderr] 25 | let mut buf_reader = BufReader::new(file); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `encode` [INFO] [stderr] --> src/main.rs:103:2 [INFO] [stderr] | [INFO] [stderr] 103 | fn encode() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(duration_float)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `endTime` should have a snake case name [INFO] [stderr] --> src/main.rs:112:2 [INFO] [stderr] | [INFO] [stderr] 112 | endTime: Duration, [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stderr] [INFO] [stderr] warning: structure field `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] [INFO] [stderr] warning: method `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] [INFO] [stderr] warning: method `endTime` should have a snake case name [INFO] [stderr] --> src/main.rs:112:2 [INFO] [stderr] | [INFO] [stderr] 112 | endTime: Duration, [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/reading_speed-215d27f98f518a86 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "1a625bf45a27d9c9f5938d9676432a6971f508174cd2d7283aa81207a5bec6aa"` [INFO] running `"docker" "rm" "-f" "1a625bf45a27d9c9f5938d9676432a6971f508174cd2d7283aa81207a5bec6aa"` [INFO] [stdout] 1a625bf45a27d9c9f5938d9676432a6971f508174cd2d7283aa81207a5bec6aa