[INFO] cloning repository liamzdenek/caption-reading-speed
[INFO] running `"git" "clone" "--bare" "git://github.com/liamzdenek/caption-reading-speed.git" "work/cache/sources/gh/liamzdenek/caption-reading-speed"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/liamzdenek/caption-reading-speed'...
[INFO] running `"git" "clone" "work/cache/sources/gh/liamzdenek/caption-reading-speed" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/liamzdenek/caption-reading-speed"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/liamzdenek/caption-reading-speed'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/liamzdenek/caption-reading-speed" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/liamzdenek/caption-reading-speed"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/liamzdenek/caption-reading-speed'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a84e8e9d30011f974c05356b289bede388dde9b0
[INFO] sha for GitHub repo liamzdenek/caption-reading-speed: a84e8e9d30011f974c05356b289bede388dde9b0
[INFO] validating manifest of liamzdenek/caption-reading-speed on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of liamzdenek/caption-reading-speed on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing liamzdenek/caption-reading-speed
[INFO] finished frobbing liamzdenek/caption-reading-speed
[INFO] frobbed toml for liamzdenek/caption-reading-speed written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/liamzdenek/caption-reading-speed/Cargo.toml
[INFO] started frobbing liamzdenek/caption-reading-speed
[INFO] finished frobbing liamzdenek/caption-reading-speed
[INFO] frobbed toml for liamzdenek/caption-reading-speed written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/liamzdenek/caption-reading-speed/Cargo.toml
[INFO] crate liamzdenek/caption-reading-speed already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking liamzdenek/caption-reading-speed against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/liamzdenek/caption-reading-speed:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9623ca2d32cfd9df770f778114984a1bebb87592498f0759a5ce49545f5e0e21
[INFO] running `"docker" "start" "-a" "9623ca2d32cfd9df770f778114984a1bebb87592498f0759a5ce49545f5e0e21"`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking backtrace v0.3.26
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking reading-speed v0.1.0 (/opt/crater/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<String, Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] 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: 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<String, Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] 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]     Finished dev [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `"docker" "inspect" "9623ca2d32cfd9df770f778114984a1bebb87592498f0759a5ce49545f5e0e21"`
[INFO] running `"docker" "rm" "-f" "9623ca2d32cfd9df770f778114984a1bebb87592498f0759a5ce49545f5e0e21"`
[INFO] [stdout] 9623ca2d32cfd9df770f778114984a1bebb87592498f0759a5ce49545f5e0e21