[INFO] cloning repository https://github.com/ravelll/rust-handson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ravelll/rust-handson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fravelll%2Frust-handson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fravelll%2Frust-handson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be18c83c91eebdd048eaafae47f50de7b5f1bb20
[INFO] testing ravelll/rust-handson against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fravelll%2Frust-handson" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ravelll/rust-handson on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ravelll/rust-handson
[INFO] finished tweaking git repo https://github.com/ravelll/rust-handson
[INFO] tweaked toml for git repo https://github.com/ravelll/rust-handson written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/ravelll/rust-handson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5bc17321fa16e1794d1f056766f0e0fa6a841ba56b3c853e0a146f8e103f68a
[INFO] running `Command { std: "docker" "start" "-a" "d5bc17321fa16e1794d1f056766f0e0fa6a841ba56b3c853e0a146f8e103f68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5bc17321fa16e1794d1f056766f0e0fa6a841ba56b3c853e0a146f8e103f68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5bc17321fa16e1794d1f056766f0e0fa6a841ba56b3c853e0a146f8e103f68a", kill_on_drop: false }`
[INFO] [stdout] d5bc17321fa16e1794d1f056766f0e0fa6a841ba56b3c853e0a146f8e103f68a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 484c56fd102eb5bc851a33089858efd96c8f4a95d93acaf9df6ecec5b6445c8d
[INFO] running `Command { std: "docker" "start" "-a" "484c56fd102eb5bc851a33089858efd96c8f4a95d93acaf9df6ecec5b6445c8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `Command { std: "docker" "inspect" "484c56fd102eb5bc851a33089858efd96c8f4a95d93acaf9df6ecec5b6445c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484c56fd102eb5bc851a33089858efd96c8f4a95d93acaf9df6ecec5b6445c8d", kill_on_drop: false }`
[INFO] [stdout] 484c56fd102eb5bc851a33089858efd96c8f4a95d93acaf9df6ecec5b6445c8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b0a41c554fe42bf72dd4abef0293d325f9e1deea54c17ff8bfce7b345b5417f
[INFO] running `Command { std: "docker" "start" "-a" "9b0a41c554fe42bf72dd4abef0293d325f9e1deea54c17ff8bfce7b345b5417f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "9b0a41c554fe42bf72dd4abef0293d325f9e1deea54c17ff8bfce7b345b5417f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0a41c554fe42bf72dd4abef0293d325f9e1deea54c17ff8bfce7b345b5417f", kill_on_drop: false }`
[INFO] [stdout] 9b0a41c554fe42bf72dd4abef0293d325f9e1deea54c17ff8bfce7b345b5417f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c74917f8d2bfac806fb725a99985c65fe0cbb51b0e2f10bacf071f552ae0e2d6
[INFO] running `Command { std: "docker" "start" "-a" "c74917f8d2bfac806fb725a99985c65fe0cbb51b0e2f10bacf071f552ae0e2d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-d96934aaf9f942cd)
[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" "c74917f8d2bfac806fb725a99985c65fe0cbb51b0e2f10bacf071f552ae0e2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74917f8d2bfac806fb725a99985c65fe0cbb51b0e2f10bacf071f552ae0e2d6", kill_on_drop: false }`
[INFO] [stdout] c74917f8d2bfac806fb725a99985c65fe0cbb51b0e2f10bacf071f552ae0e2d6