[INFO] updating cached repository wozgonon/tsvstat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wozgonon/tsvstat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wozgonon/tsvstat" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/wozgonon/tsvstat"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/wozgonon/tsvstat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wozgonon/tsvstat" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/wozgonon/tsvstat"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/wozgonon/tsvstat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] efd1afa0bb346d955ae82c557c43816d6caa61f6
[INFO] sha for GitHub repo wozgonon/tsvstat: efd1afa0bb346d955ae82c557c43816d6caa61f6
[INFO] validating manifest of wozgonon/tsvstat on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wozgonon/tsvstat on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wozgonon/tsvstat
[INFO] finished frobbing wozgonon/tsvstat
[INFO] frobbed toml for wozgonon/tsvstat written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/wozgonon/tsvstat/Cargo.toml
[INFO] started frobbing wozgonon/tsvstat
[INFO] finished frobbing wozgonon/tsvstat
[INFO] frobbed toml for wozgonon/tsvstat written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/wozgonon/tsvstat/Cargo.toml
[INFO] crate wozgonon/tsvstat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wozgonon/tsvstat against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/wozgonon/tsvstat:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4c695745482a2ac3d49093e58f114910882433f9010d3fa6ee21f75e92818388
[INFO] running `"docker" "start" "-a" "4c695745482a2ac3d49093e58f114910882433f9010d3fa6ee21f75e92818388"`
[INFO] [stderr]     Checking tsvstat v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/accumulator.rs:201:65
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn print_array<T : Format> (&self, name : &str, function : &Fn(&Accumulator) -> T) {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Accumulator) -> T`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 let mut split = string.split(delimiter);
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/accumulator.rs:201:65
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn print_array<T : Format> (&self, name : &str, function : &Fn(&Accumulator) -> T) {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Accumulator) -> T`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 let mut split = string.split(delimiter);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "4c695745482a2ac3d49093e58f114910882433f9010d3fa6ee21f75e92818388"`
[INFO] running `"docker" "rm" "-f" "4c695745482a2ac3d49093e58f114910882433f9010d3fa6ee21f75e92818388"`
[INFO] [stdout] 4c695745482a2ac3d49093e58f114910882433f9010d3fa6ee21f75e92818388