[INFO] updating cached repository zhunor/fkin-sweet-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zhunor/fkin-sweet-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zhunor/fkin-sweet-rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/zhunor/fkin-sweet-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/zhunor/fkin-sweet-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zhunor/fkin-sweet-rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zhunor/fkin-sweet-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zhunor/fkin-sweet-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78194fc1acf562a1b508135f7c1356ccef265c5f
[INFO] sha for GitHub repo zhunor/fkin-sweet-rust: 78194fc1acf562a1b508135f7c1356ccef265c5f
[INFO] validating manifest of zhunor/fkin-sweet-rust on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zhunor/fkin-sweet-rust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zhunor/fkin-sweet-rust
[INFO] finished frobbing zhunor/fkin-sweet-rust
[INFO] frobbed toml for zhunor/fkin-sweet-rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/zhunor/fkin-sweet-rust/Cargo.toml
[INFO] started frobbing zhunor/fkin-sweet-rust
[INFO] finished frobbing zhunor/fkin-sweet-rust
[INFO] frobbed toml for zhunor/fkin-sweet-rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zhunor/fkin-sweet-rust/Cargo.toml
[INFO] crate zhunor/fkin-sweet-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking zhunor/fkin-sweet-rust against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zhunor/fkin-sweet-rust:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 396088bdd7a469db053d8f2707fb7ff0918ec5ad4a8bf13de8b12dbf4230ab67
[INFO] running `"docker" "start" "-a" "396088bdd7a469db053d8f2707fb7ff0918ec5ad4a8bf13de8b12dbf4230ab67"`
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking ferris-says v0.1.1
[INFO] [stderr]     Checking hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `my_vec2`
[INFO] [stderr]  --> src/ref_pointer.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 |   let my_vec2 = &my_vec;
[INFO] [stderr]   |       ^^^^^^^ help: consider prefixing with an underscore: `_my_vec2`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/conditionals.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run(){
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/loops.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn run(){
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]  --> src/enums.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   Right
[INFO] [stderr]   |   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `my_vec2`
[INFO] [stderr]  --> src/ref_pointer.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 |   let my_vec2 = &my_vec;
[INFO] [stderr]   |       ^^^^^^^ help: consider prefixing with an underscore: `_my_vec2`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/conditionals.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run(){
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/loops.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn run(){
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]  --> src/enums.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   Right
[INFO] [stderr]   |   ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.43s
[INFO] running `"docker" "inspect" "396088bdd7a469db053d8f2707fb7ff0918ec5ad4a8bf13de8b12dbf4230ab67"`
[INFO] running `"docker" "rm" "-f" "396088bdd7a469db053d8f2707fb7ff0918ec5ad4a8bf13de8b12dbf4230ab67"`
[INFO] [stdout] 396088bdd7a469db053d8f2707fb7ff0918ec5ad4a8bf13de8b12dbf4230ab67