[INFO] updating cached repository bomgar/dotcopter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bomgar/dotcopter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bomgar/dotcopter" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/bomgar/dotcopter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/bomgar/dotcopter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bomgar/dotcopter" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/bomgar/dotcopter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/bomgar/dotcopter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dd0a9878307aaec3584ec98436c342c02b176f8c
[INFO] sha for GitHub repo bomgar/dotcopter: dd0a9878307aaec3584ec98436c342c02b176f8c
[INFO] validating manifest of bomgar/dotcopter 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 bomgar/dotcopter 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 bomgar/dotcopter
[INFO] finished frobbing bomgar/dotcopter
[INFO] frobbed toml for bomgar/dotcopter written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/bomgar/dotcopter/Cargo.toml
[INFO] started frobbing bomgar/dotcopter
[INFO] finished frobbing bomgar/dotcopter
[INFO] frobbed toml for bomgar/dotcopter written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/bomgar/dotcopter/Cargo.toml
[INFO] crate bomgar/dotcopter 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 bomgar/dotcopter against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/bomgar/dotcopter:/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] 2d6a43801071afa159886a64290f1eedb8d2deabc8ede41986c334aecf9e92b1
[INFO] running `"docker" "start" "-a" "2d6a43801071afa159886a64290f1eedb8d2deabc8ede41986c334aecf9e92b1"`
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking dotcopter v0.4.3-alpha.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `slog_term` is imported redundantly
[INFO] [stderr]    --> src/config.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     use slog_term;
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `std` is imported redundantly
[INFO] [stderr]    --> src/config.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |     use std;
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:43:30
[INFO] [stderr]    |
[INFO] [stderr] 43 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `slog_term` is imported redundantly
[INFO] [stderr]   --> src/mutate.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     use slog_term;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `std` is imported redundantly
[INFO] [stderr]   --> src/mutate.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     use std;
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:43:30
[INFO] [stderr]    |
[INFO] [stderr] 43 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.51s
[INFO] running `"docker" "inspect" "2d6a43801071afa159886a64290f1eedb8d2deabc8ede41986c334aecf9e92b1"`
[INFO] running `"docker" "rm" "-f" "2d6a43801071afa159886a64290f1eedb8d2deabc8ede41986c334aecf9e92b1"`
[INFO] [stdout] 2d6a43801071afa159886a64290f1eedb8d2deabc8ede41986c334aecf9e92b1