[INFO] cloning repository https://github.com/Shobhit1/rust-lang-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shobhit1/rust-lang-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShobhit1%2Frust-lang-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShobhit1%2Frust-lang-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7190b85a4f5deb64cc42daa2b5604adfe75ea0c5
[INFO] testing Shobhit1/rust-lang-learn against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShobhit1%2Frust-lang-learn" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shobhit1/rust-lang-learn on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Shobhit1/rust-lang-learn
[INFO] finished tweaking git repo https://github.com/Shobhit1/rust-lang-learn
[INFO] tweaked toml for git repo https://github.com/Shobhit1/rust-lang-learn written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Shobhit1/rust-lang-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5b599f5afb4c2e4526a6a273faf6154a2ecae39a709ff5cfeec8a36b28d6218
[INFO] running `Command { std: "docker" "start" "-a" "b5b599f5afb4c2e4526a6a273faf6154a2ecae39a709ff5cfeec8a36b28d6218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b599f5afb4c2e4526a6a273faf6154a2ecae39a709ff5cfeec8a36b28d6218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b599f5afb4c2e4526a6a273faf6154a2ecae39a709ff5cfeec8a36b28d6218", kill_on_drop: false }`
[INFO] [stdout] b5b599f5afb4c2e4526a6a273faf6154a2ecae39a709ff5cfeec8a36b28d6218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed36e42ad4734b8eece3889eeb3b062f983fef4a7936a9864677ad15a0e195c6
[INFO] running `Command { std: "docker" "start" "-a" "ed36e42ad4734b8eece3889eeb3b062f983fef4a7936a9864677ad15a0e195c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "ed36e42ad4734b8eece3889eeb3b062f983fef4a7936a9864677ad15a0e195c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed36e42ad4734b8eece3889eeb3b062f983fef4a7936a9864677ad15a0e195c6", kill_on_drop: false }`
[INFO] [stdout] ed36e42ad4734b8eece3889eeb3b062f983fef4a7936a9864677ad15a0e195c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acc8d5f8eb4d1455628d62533353f7b6238ba699d406be23d524eae40d31d861
[INFO] running `Command { std: "docker" "start" "-a" "acc8d5f8eb4d1455628d62533353f7b6238ba699d406be23d524eae40d31d861", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "acc8d5f8eb4d1455628d62533353f7b6238ba699d406be23d524eae40d31d861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc8d5f8eb4d1455628d62533353f7b6238ba699d406be23d524eae40d31d861", kill_on_drop: false }`
[INFO] [stdout] acc8d5f8eb4d1455628d62533353f7b6238ba699d406be23d524eae40d31d861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 372de6d4fe5d6ef882d7020131ce01d281279890b5ec31ba467633d4cc40dc2e
[INFO] running `Command { std: "docker" "start" "-a" "372de6d4fe5d6ef882d7020131ce01d281279890b5ec31ba467633d4cc40dc2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-d5ed91d926dd17b1)
[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" "372de6d4fe5d6ef882d7020131ce01d281279890b5ec31ba467633d4cc40dc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372de6d4fe5d6ef882d7020131ce01d281279890b5ec31ba467633d4cc40dc2e", kill_on_drop: false }`
[INFO] [stdout] 372de6d4fe5d6ef882d7020131ce01d281279890b5ec31ba467633d4cc40dc2e