[INFO] cloning repository https://github.com/Nitsuan/rust_tut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nitsuan/rust_tut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNitsuan%2Frust_tut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNitsuan%2Frust_tut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba6d029ab7b1454cdd5d1fa327816ae12ee5556e
[INFO] testing Nitsuan/rust_tut against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNitsuan%2Frust_tut" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nitsuan/rust_tut 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 git repo https://github.com/Nitsuan/rust_tut
[INFO] finished tweaking git repo https://github.com/Nitsuan/rust_tut
[INFO] tweaked toml for git repo https://github.com/Nitsuan/rust_tut written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/Nitsuan/rust_tut 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] [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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] c411ed71c8e27a5d4dbdf824752fdb35ab7ffd405317dd18f7fdb01fc15b5f3f
[INFO] running `Command { std: "docker" "start" "-a" "c411ed71c8e27a5d4dbdf824752fdb35ab7ffd405317dd18f7fdb01fc15b5f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c411ed71c8e27a5d4dbdf824752fdb35ab7ffd405317dd18f7fdb01fc15b5f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c411ed71c8e27a5d4dbdf824752fdb35ab7ffd405317dd18f7fdb01fc15b5f3f", kill_on_drop: false }`
[INFO] [stdout] c411ed71c8e27a5d4dbdf824752fdb35ab7ffd405317dd18f7fdb01fc15b5f3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 2fbecbd61daf8422a653a61ea7174515ee31d2b9de7d6889cb5213e147c4c779
[INFO] running `Command { std: "docker" "start" "-a" "2fbecbd61daf8422a653a61ea7174515ee31d2b9de7d6889cb5213e147c4c779", 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 dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "2fbecbd61daf8422a653a61ea7174515ee31d2b9de7d6889cb5213e147c4c779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbecbd61daf8422a653a61ea7174515ee31d2b9de7d6889cb5213e147c4c779", kill_on_drop: false }`
[INFO] [stdout] 2fbecbd61daf8422a653a61ea7174515ee31d2b9de7d6889cb5213e147c4c779
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 30cdeb98677ac954a68a495621c915e730df89df150812de87edade432d72f80
[INFO] running `Command { std: "docker" "start" "-a" "30cdeb98677ac954a68a495621c915e730df89df150812de87edade432d72f80", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.95s
[INFO] running `Command { std: "docker" "inspect" "30cdeb98677ac954a68a495621c915e730df89df150812de87edade432d72f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30cdeb98677ac954a68a495621c915e730df89df150812de87edade432d72f80", kill_on_drop: false }`
[INFO] [stdout] 30cdeb98677ac954a68a495621c915e730df89df150812de87edade432d72f80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 15c4708986cb9bfc15c681698cd1e995e06cf116b1ac48f0826ac5de2abdaa47
[INFO] running `Command { std: "docker" "start" "-a" "15c4708986cb9bfc15c681698cd1e995e06cf116b1ac48f0826ac5de2abdaa47", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-29f38600240a884a)
[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" "15c4708986cb9bfc15c681698cd1e995e06cf116b1ac48f0826ac5de2abdaa47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c4708986cb9bfc15c681698cd1e995e06cf116b1ac48f0826ac5de2abdaa47", kill_on_drop: false }`
[INFO] [stdout] 15c4708986cb9bfc15c681698cd1e995e06cf116b1ac48f0826ac5de2abdaa47