[INFO] fetching crate studyhall 999999999.999999999.999999999...
[INFO] testing studyhall-999999999.999999999.999999999 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate studyhall 999999999.999999999.999999999 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate studyhall 999999999.999999999.999999999 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-19/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fbc7f4372d95b27b45f6bd626fe2be41a9c4c90ef5cfc8021c8126c8c164bd6
[INFO] running `Command { std: "docker" "start" "-a" "7fbc7f4372d95b27b45f6bd626fe2be41a9c4c90ef5cfc8021c8126c8c164bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fbc7f4372d95b27b45f6bd626fe2be41a9c4c90ef5cfc8021c8126c8c164bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbc7f4372d95b27b45f6bd626fe2be41a9c4c90ef5cfc8021c8126c8c164bd6", kill_on_drop: false }`
[INFO] [stdout] 7fbc7f4372d95b27b45f6bd626fe2be41a9c4c90ef5cfc8021c8126c8c164bd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f7c6751f29e6295876df8ab401e9fd09ad36c1c43af3387a730fe411dfe8d86
[INFO] running `Command { std: "docker" "start" "-a" "1f7c6751f29e6295876df8ab401e9fd09ad36c1c43af3387a730fe411dfe8d86", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling studyhall v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "1f7c6751f29e6295876df8ab401e9fd09ad36c1c43af3387a730fe411dfe8d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7c6751f29e6295876df8ab401e9fd09ad36c1c43af3387a730fe411dfe8d86", kill_on_drop: false }`
[INFO] [stdout] 1f7c6751f29e6295876df8ab401e9fd09ad36c1c43af3387a730fe411dfe8d86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af2a6624eb2dee38fc074364f81fd0aaf99512050783c354fbebcbf19f498add
[INFO] running `Command { std: "docker" "start" "-a" "af2a6624eb2dee38fc074364f81fd0aaf99512050783c354fbebcbf19f498add", kill_on_drop: false }`
[INFO] [stderr]    Compiling studyhall v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "af2a6624eb2dee38fc074364f81fd0aaf99512050783c354fbebcbf19f498add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2a6624eb2dee38fc074364f81fd0aaf99512050783c354fbebcbf19f498add", kill_on_drop: false }`
[INFO] [stdout] af2a6624eb2dee38fc074364f81fd0aaf99512050783c354fbebcbf19f498add
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7ba2c4686a069539c741a41f8700e515c91fe9458fafe0cf2c1e1806070c954
[INFO] running `Command { std: "docker" "start" "-a" "e7ba2c4686a069539c741a41f8700e515c91fe9458fafe0cf2c1e1806070c954", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/studyhall-2135bb32fc741b49)
[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" "e7ba2c4686a069539c741a41f8700e515c91fe9458fafe0cf2c1e1806070c954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ba2c4686a069539c741a41f8700e515c91fe9458fafe0cf2c1e1806070c954", kill_on_drop: false }`
[INFO] [stdout] e7ba2c4686a069539c741a41f8700e515c91fe9458fafe0cf2c1e1806070c954