[INFO] cloning repository https://github.com/davidecolombo/rust_samples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidecolombo/rust_samples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidecolombo%2Frust_samples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidecolombo%2Frust_samples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16127f69291de7b1820cdbcc803184a483a34bb3
[INFO] testing davidecolombo/rust_samples 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%2Fdavidecolombo%2Frust_samples" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidecolombo/rust_samples 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/davidecolombo/rust_samples
[INFO] finished tweaking git repo https://github.com/davidecolombo/rust_samples
[INFO] tweaked toml for git repo https://github.com/davidecolombo/rust_samples written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/davidecolombo/rust_samples 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] c7278393cbc76dc14ad1ed25b8af80c0ffcc0c5a21feeaf5f05ff85ab5b63866
[INFO] running `Command { std: "docker" "start" "-a" "c7278393cbc76dc14ad1ed25b8af80c0ffcc0c5a21feeaf5f05ff85ab5b63866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7278393cbc76dc14ad1ed25b8af80c0ffcc0c5a21feeaf5f05ff85ab5b63866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7278393cbc76dc14ad1ed25b8af80c0ffcc0c5a21feeaf5f05ff85ab5b63866", kill_on_drop: false }`
[INFO] [stdout] c7278393cbc76dc14ad1ed25b8af80c0ffcc0c5a21feeaf5f05ff85ab5b63866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 1c16e4cf4a8409392077d4ae4f537f1e5615b6efa46e03dfe78cae8f04eea121
[INFO] running `Command { std: "docker" "start" "-a" "1c16e4cf4a8409392077d4ae4f537f1e5615b6efa46e03dfe78cae8f04eea121", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rust_samples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "1c16e4cf4a8409392077d4ae4f537f1e5615b6efa46e03dfe78cae8f04eea121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c16e4cf4a8409392077d4ae4f537f1e5615b6efa46e03dfe78cae8f04eea121", kill_on_drop: false }`
[INFO] [stdout] 1c16e4cf4a8409392077d4ae4f537f1e5615b6efa46e03dfe78cae8f04eea121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 25e5261cf7f8c80492c18c214203697389457385b083ebecd26c09f66521430b
[INFO] running `Command { std: "docker" "start" "-a" "25e5261cf7f8c80492c18c214203697389457385b083ebecd26c09f66521430b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_samples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]   Executable unittests main.rs (/opt/rustwide/target/debug/deps/rust_samples-ece1829e2ff1895a)
[INFO] running `Command { std: "docker" "inspect" "25e5261cf7f8c80492c18c214203697389457385b083ebecd26c09f66521430b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e5261cf7f8c80492c18c214203697389457385b083ebecd26c09f66521430b", kill_on_drop: false }`
[INFO] [stdout] 25e5261cf7f8c80492c18c214203697389457385b083ebecd26c09f66521430b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 312fa6107aeefd07381426a3c0d29918e3203f8bbdde93fb344caa3fe819c139
[INFO] running `Command { std: "docker" "start" "-a" "312fa6107aeefd07381426a3c0d29918e3203f8bbdde93fb344caa3fe819c139", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests main.rs (/opt/rustwide/target/debug/deps/rust_samples-ece1829e2ff1895a)
[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" "312fa6107aeefd07381426a3c0d29918e3203f8bbdde93fb344caa3fe819c139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312fa6107aeefd07381426a3c0d29918e3203f8bbdde93fb344caa3fe819c139", kill_on_drop: false }`
[INFO] [stdout] 312fa6107aeefd07381426a3c0d29918e3203f8bbdde93fb344caa3fe819c139