[INFO] updating cached repository baliga-lab/mirvestigator-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/baliga-lab/mirvestigator-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/baliga-lab/mirvestigator-rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/baliga-lab/mirvestigator-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/baliga-lab/mirvestigator-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/baliga-lab/mirvestigator-rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/baliga-lab/mirvestigator-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/baliga-lab/mirvestigator-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5811d28faf9d2c3b293d0ec9e4cc6d96cdbd0e7d
[INFO] sha for GitHub repo baliga-lab/mirvestigator-rust: 5811d28faf9d2c3b293d0ec9e4cc6d96cdbd0e7d
[INFO] validating manifest of baliga-lab/mirvestigator-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 baliga-lab/mirvestigator-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 baliga-lab/mirvestigator-rust
[INFO] finished frobbing baliga-lab/mirvestigator-rust
[INFO] frobbed toml for baliga-lab/mirvestigator-rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/baliga-lab/mirvestigator-rust/Cargo.toml
[INFO] started frobbing baliga-lab/mirvestigator-rust
[INFO] finished frobbing baliga-lab/mirvestigator-rust
[INFO] frobbed toml for baliga-lab/mirvestigator-rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/baliga-lab/mirvestigator-rust/Cargo.toml
[INFO] crate baliga-lab/mirvestigator-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] checking baliga-lab/mirvestigator-rust against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/baliga-lab/mirvestigator-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] bbe96fa6350a31fd527b00ec3eda1f4238bbc516cd341799ec4d6c894d68aeb7
[INFO] running `"docker" "start" "-a" "bbe96fa6350a31fd527b00ec3eda1f4238bbc516cd341799ec4d6c894d68aeb7"`
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking ftp v3.0.1
[INFO] [stderr]     Checking mirvestigator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]   --> src/main.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | use std::io;
[INFO] [stderr]    |     ------- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 79 |     use std::io;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 9  | use std::fs::File;
[INFO] [stderr]    |     ------------- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 81 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]   --> src/main.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | use std::io;
[INFO] [stderr]    |     ------- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 79 |     use std::io;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 9  | use std::fs::File;
[INFO] [stderr]    |     ------------- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 81 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.75s
[INFO] running `"docker" "inspect" "bbe96fa6350a31fd527b00ec3eda1f4238bbc516cd341799ec4d6c894d68aeb7"`
[INFO] running `"docker" "rm" "-f" "bbe96fa6350a31fd527b00ec3eda1f4238bbc516cd341799ec4d6c894d68aeb7"`
[INFO] [stdout] bbe96fa6350a31fd527b00ec3eda1f4238bbc516cd341799ec4d6c894d68aeb7