[INFO] cloning repository https://github.com/Z-M-Huang/RustTutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Z-M-Huang/RustTutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZ-M-Huang%2FRustTutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZ-M-Huang%2FRustTutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c6c7601444c5385e6b32c5185ea7bdb700a7474
[INFO] testing Z-M-Huang/RustTutorial against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZ-M-Huang%2FRustTutorial" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Z-M-Huang/RustTutorial on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Z-M-Huang/RustTutorial
[INFO] finished tweaking git repo https://github.com/Z-M-Huang/RustTutorial
[INFO] tweaked toml for git repo https://github.com/Z-M-Huang/RustTutorial written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Z-M-Huang/RustTutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fc9c14bb3206353905972da9638a6876e39614b9f45a7537512b51ad55bfd93
[INFO] running `Command { std: "docker" "start" "-a" "2fc9c14bb3206353905972da9638a6876e39614b9f45a7537512b51ad55bfd93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc9c14bb3206353905972da9638a6876e39614b9f45a7537512b51ad55bfd93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc9c14bb3206353905972da9638a6876e39614b9f45a7537512b51ad55bfd93", kill_on_drop: false }`
[INFO] [stdout] 2fc9c14bb3206353905972da9638a6876e39614b9f45a7537512b51ad55bfd93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13fbf5a59b21b5071fbce55f5b108a770b5b5482b6feb8cec569ba3abac9cc56
[INFO] running `Command { std: "docker" "start" "-a" "13fbf5a59b21b5071fbce55f5b108a770b5b5482b6feb8cec569ba3abac9cc56", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustTutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustTutorial` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_tutorial`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "13fbf5a59b21b5071fbce55f5b108a770b5b5482b6feb8cec569ba3abac9cc56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fbf5a59b21b5071fbce55f5b108a770b5b5482b6feb8cec569ba3abac9cc56", kill_on_drop: false }`
[INFO] [stdout] 13fbf5a59b21b5071fbce55f5b108a770b5b5482b6feb8cec569ba3abac9cc56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bafb6289da7ac9e482f9ea4145519351228cd4f67e96ebfd7935f0ce8cf118e
[INFO] running `Command { std: "docker" "start" "-a" "3bafb6289da7ac9e482f9ea4145519351228cd4f67e96ebfd7935f0ce8cf118e", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustTutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustTutorial` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_tutorial`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "3bafb6289da7ac9e482f9ea4145519351228cd4f67e96ebfd7935f0ce8cf118e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bafb6289da7ac9e482f9ea4145519351228cd4f67e96ebfd7935f0ce8cf118e", kill_on_drop: false }`
[INFO] [stdout] 3bafb6289da7ac9e482f9ea4145519351228cd4f67e96ebfd7935f0ce8cf118e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df7d9e027f312c5a7444ed7442594c2951e671b14e73393beee60bec5f9ab8b2
[INFO] running `Command { std: "docker" "start" "-a" "df7d9e027f312c5a7444ed7442594c2951e671b14e73393beee60bec5f9ab8b2", kill_on_drop: false }`
[INFO] [stderr] warning: crate `RustTutorial` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_tutorial`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/RustTutorial-3507c841bb684257)
[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" "df7d9e027f312c5a7444ed7442594c2951e671b14e73393beee60bec5f9ab8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7d9e027f312c5a7444ed7442594c2951e671b14e73393beee60bec5f9ab8b2", kill_on_drop: false }`
[INFO] [stdout] df7d9e027f312c5a7444ed7442594c2951e671b14e73393beee60bec5f9ab8b2