[INFO] cloning repository richo/multitooth
[INFO] running `"git" "clone" "--bare" "git://github.com/richo/multitooth.git" "work/cache/sources/gh/richo/multitooth"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/richo/multitooth'...
[INFO] running `"git" "clone" "work/cache/sources/gh/richo/multitooth" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/richo/multitooth"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/richo/multitooth'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/richo/multitooth" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/richo/multitooth"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/richo/multitooth'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0772a6dec8bf5c89952d7d5d3c5061d7486c8bcc
[INFO] sha for GitHub repo richo/multitooth: 0772a6dec8bf5c89952d7d5d3c5061d7486c8bcc
[INFO] validating manifest of richo/multitooth 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 richo/multitooth 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 richo/multitooth
[INFO] finished frobbing richo/multitooth
[INFO] frobbed toml for richo/multitooth written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/richo/multitooth/Cargo.toml
[INFO] started frobbing richo/multitooth
[INFO] finished frobbing richo/multitooth
[INFO] frobbed toml for richo/multitooth written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/richo/multitooth/Cargo.toml
[INFO] crate richo/multitooth 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing richo/multitooth against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/richo/multitooth:/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] 582f0d8011dce54f88083c18255b80ced27ebc98d3ef05703b802ef44bf66da7
[INFO] running `"docker" "start" "-a" "582f0d8011dce54f88083c18255b80ced27ebc98d3ef05703b802ef44bf66da7"`
[INFO] [stderr]    Compiling multitooth v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut buf = &mut [0u8; 2048];
[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:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let mut output = p.stdout.as_mut().expect("Couldn't open output stream");
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "582f0d8011dce54f88083c18255b80ced27ebc98d3ef05703b802ef44bf66da7"`
[INFO] running `"docker" "rm" "-f" "582f0d8011dce54f88083c18255b80ced27ebc98d3ef05703b802ef44bf66da7"`
[INFO] [stdout] 582f0d8011dce54f88083c18255b80ced27ebc98d3ef05703b802ef44bf66da7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/richo/multitooth:/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] de51c21f89830508f8cb435090cd2fd6e4fc7fa84dc31bea9218e5c42bbcdd4c
[INFO] running `"docker" "start" "-a" "de51c21f89830508f8cb435090cd2fd6e4fc7fa84dc31bea9218e5c42bbcdd4c"`
[INFO] [stderr]    Compiling multitooth v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut buf = &mut [0u8; 2048];
[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:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let mut output = p.stdout.as_mut().expect("Couldn't open output stream");
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "de51c21f89830508f8cb435090cd2fd6e4fc7fa84dc31bea9218e5c42bbcdd4c"`
[INFO] running `"docker" "rm" "-f" "de51c21f89830508f8cb435090cd2fd6e4fc7fa84dc31bea9218e5c42bbcdd4c"`
[INFO] [stdout] de51c21f89830508f8cb435090cd2fd6e4fc7fa84dc31bea9218e5c42bbcdd4c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/richo/multitooth:/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] 752d46c2afcd18fcb1ff8f2dd8b1a5d8cc2fe9dd6befdffd7b429bcc8734773c
[INFO] running `"docker" "start" "-a" "752d46c2afcd18fcb1ff8f2dd8b1a5d8cc2fe9dd6befdffd7b429bcc8734773c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/multitooth-c087df644f27f732
[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" "752d46c2afcd18fcb1ff8f2dd8b1a5d8cc2fe9dd6befdffd7b429bcc8734773c"`
[INFO] running `"docker" "rm" "-f" "752d46c2afcd18fcb1ff8f2dd8b1a5d8cc2fe9dd6befdffd7b429bcc8734773c"`
[INFO] [stdout] 752d46c2afcd18fcb1ff8f2dd8b1a5d8cc2fe9dd6befdffd7b429bcc8734773c