[INFO] cloning repository nkmazur/cert_machine
[INFO] running `"git" "clone" "--bare" "git://github.com/nkmazur/cert_machine.git" "work/cache/sources/gh/nkmazur/cert_machine"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/nkmazur/cert_machine'...
[INFO] running `"git" "clone" "work/cache/sources/gh/nkmazur/cert_machine" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nkmazur/cert_machine"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nkmazur/cert_machine'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nkmazur/cert_machine" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nkmazur/cert_machine"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nkmazur/cert_machine'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f16cf4ed28eaff2fe5a7bb9b9212d56e33f69fc6
[INFO] sha for GitHub repo nkmazur/cert_machine: f16cf4ed28eaff2fe5a7bb9b9212d56e33f69fc6
[INFO] validating manifest of nkmazur/cert_machine 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 nkmazur/cert_machine 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 nkmazur/cert_machine
[INFO] finished frobbing nkmazur/cert_machine
[INFO] frobbed toml for nkmazur/cert_machine written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nkmazur/cert_machine/Cargo.toml
[INFO] started frobbing nkmazur/cert_machine
[INFO] finished frobbing nkmazur/cert_machine
[INFO] frobbed toml for nkmazur/cert_machine written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nkmazur/cert_machine/Cargo.toml
[INFO] crate nkmazur/cert_machine 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 nkmazur/cert_machine against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nkmazur/cert_machine:/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] 21489c55d03706552be465ddc4e4cd45c7589694693f75b98caca46264cd8392
[INFO] running `"docker" "start" "-a" "21489c55d03706552be465ddc4e4cd45c7589694693f75b98caca46264cd8392"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_yaml v0.8.8
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling cert_machine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:245:21
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 let mut cert_filename = match instance.filename {
[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:256:21
[INFO] [stderr]     |
[INFO] [stderr] 256 |                 let mut cert_filename = match instance.filename {
[INFO] [stderr]     |                     ----^^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:328:25
[INFO] [stderr]     |
[INFO] [stderr] 328 |                     let mut cert_filename = match instance.filename {
[INFO] [stderr]     |                         ----^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.98s
[INFO] running `"docker" "inspect" "21489c55d03706552be465ddc4e4cd45c7589694693f75b98caca46264cd8392"`
[INFO] running `"docker" "rm" "-f" "21489c55d03706552be465ddc4e4cd45c7589694693f75b98caca46264cd8392"`
[INFO] [stdout] 21489c55d03706552be465ddc4e4cd45c7589694693f75b98caca46264cd8392
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nkmazur/cert_machine:/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] 73f8ab24d193173f5d5a161e2bf61c12c57e95d9d492d06d1eabcd0c7e202e3d
[INFO] running `"docker" "start" "-a" "73f8ab24d193173f5d5a161e2bf61c12c57e95d9d492d06d1eabcd0c7e202e3d"`
[INFO] [stderr]    Compiling cert_machine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:245:21
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 let mut cert_filename = match instance.filename {
[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:256:21
[INFO] [stderr]     |
[INFO] [stderr] 256 |                 let mut cert_filename = match instance.filename {
[INFO] [stderr]     |                     ----^^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:328:25
[INFO] [stderr]     |
[INFO] [stderr] 328 |                     let mut cert_filename = match instance.filename {
[INFO] [stderr]     |                         ----^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `"docker" "inspect" "73f8ab24d193173f5d5a161e2bf61c12c57e95d9d492d06d1eabcd0c7e202e3d"`
[INFO] running `"docker" "rm" "-f" "73f8ab24d193173f5d5a161e2bf61c12c57e95d9d492d06d1eabcd0c7e202e3d"`
[INFO] [stdout] 73f8ab24d193173f5d5a161e2bf61c12c57e95d9d492d06d1eabcd0c7e202e3d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nkmazur/cert_machine:/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] 67aba6ea720c70b545ea1340ef29d51252b626ff39102470e817745b0bbc01d7
[INFO] running `"docker" "start" "-a" "67aba6ea720c70b545ea1340ef29d51252b626ff39102470e817745b0bbc01d7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cert_machine-2900c33467b28056
[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/cert_machine-895a1352d516cc87
[INFO] [stderr]    Doc-tests cert_machine
[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] [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" "67aba6ea720c70b545ea1340ef29d51252b626ff39102470e817745b0bbc01d7"`
[INFO] running `"docker" "rm" "-f" "67aba6ea720c70b545ea1340ef29d51252b626ff39102470e817745b0bbc01d7"`
[INFO] [stdout] 67aba6ea720c70b545ea1340ef29d51252b626ff39102470e817745b0bbc01d7