[INFO] cloning repository BookOwl/trusty
[INFO] running `"git" "clone" "--bare" "git://github.com/BookOwl/trusty.git" "work/cache/sources/gh/BookOwl/trusty"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/BookOwl/trusty'...
[INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/trusty" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/BookOwl/trusty"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/BookOwl/trusty'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/trusty" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/BookOwl/trusty"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/BookOwl/trusty'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a48518972028db78b328e259a1efc3e570f7257
[INFO] sha for GitHub repo BookOwl/trusty: 3a48518972028db78b328e259a1efc3e570f7257
[INFO] validating manifest of BookOwl/trusty on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BookOwl/trusty on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BookOwl/trusty
[INFO] finished frobbing BookOwl/trusty
[INFO] frobbed toml for BookOwl/trusty written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/BookOwl/trusty/Cargo.toml
[INFO] started frobbing BookOwl/trusty
[INFO] finished frobbing BookOwl/trusty
[INFO] frobbed toml for BookOwl/trusty written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/BookOwl/trusty/Cargo.toml
[INFO] crate BookOwl/trusty already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded left-pad v1.0.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing BookOwl/trusty against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/BookOwl/trusty:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 2964462b556f7e6604b7767a034c68e2c3ae6333c799a3712f6d7864a59dba94
[INFO] running `"docker" "start" "-a" "2964462b556f7e6604b7767a034c68e2c3ae6333c799a3712f6d7864a59dba94"`
[INFO] [stderr]    Compiling left-pad v1.0.1
[INFO] [stderr]    Compiling termion v1.1.4
[INFO] [stderr]    Compiling trusty v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/backend.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |             let mut buf = self.current_buffer_mut();
[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 2.99s
[INFO] running `"docker" "inspect" "2964462b556f7e6604b7767a034c68e2c3ae6333c799a3712f6d7864a59dba94"`
[INFO] running `"docker" "rm" "-f" "2964462b556f7e6604b7767a034c68e2c3ae6333c799a3712f6d7864a59dba94"`
[INFO] [stdout] 2964462b556f7e6604b7767a034c68e2c3ae6333c799a3712f6d7864a59dba94
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/BookOwl/trusty:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f8094795f71e73b7174ded9f20a672dcafff2a6aa74c99ea54bf40f54e3fecb4
[INFO] running `"docker" "start" "-a" "f8094795f71e73b7174ded9f20a672dcafff2a6aa74c99ea54bf40f54e3fecb4"`
[INFO] [stderr]    Compiling trusty v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/backend.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |             let mut buf = self.current_buffer_mut();
[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 0.87s
[INFO] running `"docker" "inspect" "f8094795f71e73b7174ded9f20a672dcafff2a6aa74c99ea54bf40f54e3fecb4"`
[INFO] running `"docker" "rm" "-f" "f8094795f71e73b7174ded9f20a672dcafff2a6aa74c99ea54bf40f54e3fecb4"`
[INFO] [stdout] f8094795f71e73b7174ded9f20a672dcafff2a6aa74c99ea54bf40f54e3fecb4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/BookOwl/trusty:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] ccfcec4de2a395cb78e00058e67772cae06082aea8753542f8370459a8965e1a
[INFO] running `"docker" "start" "-a" "ccfcec4de2a395cb78e00058e67772cae06082aea8753542f8370459a8965e1a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/trusty-ef05f4c2d0d09a9b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/trusty-3254daa63b7b7451
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trusty
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ccfcec4de2a395cb78e00058e67772cae06082aea8753542f8370459a8965e1a"`
[INFO] running `"docker" "rm" "-f" "ccfcec4de2a395cb78e00058e67772cae06082aea8753542f8370459a8965e1a"`
[INFO] [stdout] ccfcec4de2a395cb78e00058e67772cae06082aea8753542f8370459a8965e1a