[INFO] cloning repository https://github.com/hrpg/rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hrpg/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrpg%2Frust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrpg%2Frust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a206f458d66342bbca973d905f9dc4511646b2e8
[INFO] testing hrpg/rust_study against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrpg%2Frust_study" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hrpg/rust_study on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hrpg/rust_study
[INFO] finished tweaking git repo https://github.com/hrpg/rust_study
[INFO] tweaked toml for git repo https://github.com/hrpg/rust_study written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/hrpg/rust_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a1e07866d2022005de569dd906fae3b13bce416a4974af9a153c90022cf6bba
[INFO] running `Command { std: "docker" "start" "-a" "6a1e07866d2022005de569dd906fae3b13bce416a4974af9a153c90022cf6bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a1e07866d2022005de569dd906fae3b13bce416a4974af9a153c90022cf6bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1e07866d2022005de569dd906fae3b13bce416a4974af9a153c90022cf6bba", kill_on_drop: false }`
[INFO] [stdout] 6a1e07866d2022005de569dd906fae3b13bce416a4974af9a153c90022cf6bba
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ddcb80446802d7a1a61826d9f5ce2c679472052d57fd70b67400841f0d4e658
[INFO] running `Command { std: "docker" "start" "-a" "8ddcb80446802d7a1a61826d9f5ce2c679472052d57fd70b67400841f0d4e658", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "8ddcb80446802d7a1a61826d9f5ce2c679472052d57fd70b67400841f0d4e658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ddcb80446802d7a1a61826d9f5ce2c679472052d57fd70b67400841f0d4e658", kill_on_drop: false }`
[INFO] [stdout] 8ddcb80446802d7a1a61826d9f5ce2c679472052d57fd70b67400841f0d4e658
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8449b6162ab749b2a8f50d31d650d3f692a47e8f82fccce3f44d75ae8351bf6
[INFO] running `Command { std: "docker" "start" "-a" "b8449b6162ab749b2a8f50d31d650d3f692a47e8f82fccce3f44d75ae8351bf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_study-f271188eb953938f)
[INFO] running `Command { std: "docker" "inspect" "b8449b6162ab749b2a8f50d31d650d3f692a47e8f82fccce3f44d75ae8351bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8449b6162ab749b2a8f50d31d650d3f692a47e8f82fccce3f44d75ae8351bf6", kill_on_drop: false }`
[INFO] [stdout] b8449b6162ab749b2a8f50d31d650d3f692a47e8f82fccce3f44d75ae8351bf6
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f33babd7c8202a10c76c0e97f6abf4439335aaab3a8ec5ef88b9bcc965ed6d3
[INFO] running `Command { std: "docker" "start" "-a" "7f33babd7c8202a10c76c0e97f6abf4439335aaab3a8ec5ef88b9bcc965ed6d3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_study-f271188eb953938f)
[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" "7f33babd7c8202a10c76c0e97f6abf4439335aaab3a8ec5ef88b9bcc965ed6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f33babd7c8202a10c76c0e97f6abf4439335aaab3a8ec5ef88b9bcc965ed6d3", kill_on_drop: false }`
[INFO] [stdout] 7f33babd7c8202a10c76c0e97f6abf4439335aaab3a8ec5ef88b9bcc965ed6d3