[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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/wozgonon/tsvstat"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/wozgonon/tsvstat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wozgonon/tsvstat" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/wozgonon/tsvstat"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wozgonon/tsvstat 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 wozgonon/tsvstat
[INFO] finished frobbing wozgonon/tsvstat
[INFO] frobbed toml for wozgonon/tsvstat written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+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] checking wozgonon/tsvstat against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2323edc9a3e5e24dee4bb529f54178827880fbb8a93ef6dcfdd00c24ef6404a6
[INFO] running `"docker" "start" "-a" "2323edc9a3e5e24dee4bb529f54178827880fbb8a93ef6dcfdd00c24ef6404a6"`
[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: 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: 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 1.05s
[INFO] running `"docker" "inspect" "2323edc9a3e5e24dee4bb529f54178827880fbb8a93ef6dcfdd00c24ef6404a6"`
[INFO] running `"docker" "rm" "-f" "2323edc9a3e5e24dee4bb529f54178827880fbb8a93ef6dcfdd00c24ef6404a6"`
[INFO] [stdout] 2323edc9a3e5e24dee4bb529f54178827880fbb8a93ef6dcfdd00c24ef6404a6