[INFO] fetching crate studyhall 999999999.999999999.999999999...
[INFO] testing studyhall-999999999.999999999.999999999 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate studyhall 999999999.999999999.999999999 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate studyhall 999999999.999999999.999999999 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate studyhall 999999999.999999999.999999999
[INFO] finished tweaking crates.io crate studyhall 999999999.999999999.999999999
[INFO] tweaked toml for crates.io crate studyhall 999999999.999999999.999999999 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate studyhall 999999999.999999999.999999999 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 409e79cbda0bdea6c5d16d5b59ccc1214269f128ff945876c119f87229e7f825
[INFO] running `Command { std: "docker" "start" "-a" "409e79cbda0bdea6c5d16d5b59ccc1214269f128ff945876c119f87229e7f825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "409e79cbda0bdea6c5d16d5b59ccc1214269f128ff945876c119f87229e7f825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409e79cbda0bdea6c5d16d5b59ccc1214269f128ff945876c119f87229e7f825", kill_on_drop: false }`
[INFO] [stdout] 409e79cbda0bdea6c5d16d5b59ccc1214269f128ff945876c119f87229e7f825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96995365d484c4d3ccd4692f0b49106e713446b016ff83be8f296b8f3a15140a
[INFO] running `Command { std: "docker" "start" "-a" "96995365d484c4d3ccd4692f0b49106e713446b016ff83be8f296b8f3a15140a", kill_on_drop: false }`
[INFO] [stderr]    Compiling studyhall v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "96995365d484c4d3ccd4692f0b49106e713446b016ff83be8f296b8f3a15140a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96995365d484c4d3ccd4692f0b49106e713446b016ff83be8f296b8f3a15140a", kill_on_drop: false }`
[INFO] [stdout] 96995365d484c4d3ccd4692f0b49106e713446b016ff83be8f296b8f3a15140a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e0a70cb19a3c4921d8e14555fc352abdea72c30bcc6f451565c273b89b0579d
[INFO] running `Command { std: "docker" "start" "-a" "6e0a70cb19a3c4921d8e14555fc352abdea72c30bcc6f451565c273b89b0579d", kill_on_drop: false }`
[INFO] [stderr]    Compiling studyhall v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "6e0a70cb19a3c4921d8e14555fc352abdea72c30bcc6f451565c273b89b0579d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e0a70cb19a3c4921d8e14555fc352abdea72c30bcc6f451565c273b89b0579d", kill_on_drop: false }`
[INFO] [stdout] 6e0a70cb19a3c4921d8e14555fc352abdea72c30bcc6f451565c273b89b0579d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ffd886044d8785f89d963e4e101a3a1ae764b5ff492399c95ef824d04077d3ae
[INFO] running `Command { std: "docker" "start" "-a" "ffd886044d8785f89d963e4e101a3a1ae764b5ff492399c95ef824d04077d3ae", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/studyhall-ee5afc3ca30e6b04)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ffd886044d8785f89d963e4e101a3a1ae764b5ff492399c95ef824d04077d3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd886044d8785f89d963e4e101a3a1ae764b5ff492399c95ef824d04077d3ae", kill_on_drop: false }`
[INFO] [stdout] ffd886044d8785f89d963e4e101a3a1ae764b5ff492399c95ef824d04077d3ae