[INFO] updating cached repository https://github.com/droundy/rust-student-pairs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 71c5acdacdf8b51fede27b131248c0af9a89bbea
[INFO] testing droundy/rust-student-pairs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroundy%2Frust-student-pairs" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/droundy/rust-student-pairs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/droundy/rust-student-pairs
[INFO] finished tweaking git repo https://github.com/droundy/rust-student-pairs
[INFO] tweaked toml for git repo https://github.com/droundy/rust-student-pairs written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/droundy/rust-student-pairs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] aa9a6de0eb9f46c3631e71ec0ca4a1d77ddc7e51c3f8433533639aaaf604c070
[INFO] running `"docker" "start" "-a" "aa9a6de0eb9f46c3631e71ec0ca4a1d77ddc7e51c3f8433533639aaaf604c070"`
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling tinyset v0.2.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr]    Compiling tempfile v3.0.3
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling brotli-sys v0.2.1
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling askama_shared v0.7.1
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling brotli2 v0.2.2
[INFO] [stderr]    Compiling url v0.2.38
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling internment v0.3.6
[INFO] [stderr]    Compiling tiny_http v0.5.9
[INFO] [stderr]    Compiling askama_derive v0.7.1
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling rouille v2.1.0
[INFO] [stderr]    Compiling askama v0.7.1
[INFO] [stderr]    Compiling rust-student-pairs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.21s
[INFO] running `"docker" "inspect" "aa9a6de0eb9f46c3631e71ec0ca4a1d77ddc7e51c3f8433533639aaaf604c070"`
[INFO] running `"docker" "rm" "-f" "aa9a6de0eb9f46c3631e71ec0ca4a1d77ddc7e51c3f8433533639aaaf604c070"`
[INFO] [stdout] aa9a6de0eb9f46c3631e71ec0ca4a1d77ddc7e51c3f8433533639aaaf604c070
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 471da3bf0396a2760bc0296e6412f49f3491b9d5cdb155c61ab5fefe58fd932e
[INFO] running `"docker" "start" "-a" "471da3bf0396a2760bc0296e6412f49f3491b9d5cdb155c61ab5fefe58fd932e"`
[INFO] [stderr]    Compiling rust-student-pairs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `"docker" "inspect" "471da3bf0396a2760bc0296e6412f49f3491b9d5cdb155c61ab5fefe58fd932e"`
[INFO] running `"docker" "rm" "-f" "471da3bf0396a2760bc0296e6412f49f3491b9d5cdb155c61ab5fefe58fd932e"`
[INFO] [stdout] 471da3bf0396a2760bc0296e6412f49f3491b9d5cdb155c61ab5fefe58fd932e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 71c5864724a9186079bdd7f1360e974f506ced452c5d4c393e15550f62b7960c
[INFO] running `"docker" "start" "-a" "71c5864724a9186079bdd7f1360e974f506ced452c5d4c393e15550f62b7960c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_student_pairs-374a458d83b5590a
[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" "71c5864724a9186079bdd7f1360e974f506ced452c5d4c393e15550f62b7960c"`
[INFO] running `"docker" "rm" "-f" "71c5864724a9186079bdd7f1360e974f506ced452c5d4c393e15550f62b7960c"`
[INFO] [stdout] 71c5864724a9186079bdd7f1360e974f506ced452c5d4c393e15550f62b7960c