[INFO] cloning repository https://github.com/adeng-wc/RustDemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adeng-wc/RustDemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadeng-wc%2FRustDemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadeng-wc%2FRustDemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fb4afccce3204cc0baea65af62ed4e69c620302
[INFO] testing adeng-wc/RustDemo 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%2Fadeng-wc%2FRustDemo" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adeng-wc/RustDemo 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/adeng-wc/RustDemo
[INFO] finished tweaking git repo https://github.com/adeng-wc/RustDemo
[INFO] tweaked toml for git repo https://github.com/adeng-wc/RustDemo written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/adeng-wc/RustDemo 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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] b182809b87fc368126614dad30180adf0083d58f2530355832ef969942fc77dc
[INFO] running `Command { std: "docker" "start" "-a" "b182809b87fc368126614dad30180adf0083d58f2530355832ef969942fc77dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b182809b87fc368126614dad30180adf0083d58f2530355832ef969942fc77dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b182809b87fc368126614dad30180adf0083d58f2530355832ef969942fc77dc", kill_on_drop: false }`
[INFO] [stdout] b182809b87fc368126614dad30180adf0083d58f2530355832ef969942fc77dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] d9ed825879ec6ec55c158e1d93b1390082cfdd4bcc5cb6f78cdb0e27ac7651b9
[INFO] running `Command { std: "docker" "start" "-a" "d9ed825879ec6ec55c158e1d93b1390082cfdd4bcc5cb6f78cdb0e27ac7651b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustDemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustDemo` 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_demo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "d9ed825879ec6ec55c158e1d93b1390082cfdd4bcc5cb6f78cdb0e27ac7651b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ed825879ec6ec55c158e1d93b1390082cfdd4bcc5cb6f78cdb0e27ac7651b9", kill_on_drop: false }`
[INFO] [stdout] d9ed825879ec6ec55c158e1d93b1390082cfdd4bcc5cb6f78cdb0e27ac7651b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 0e7924123d7845e4319fb2c4fdf5955459ff58ebd5e9746934c57e40db0a5b32
[INFO] running `Command { std: "docker" "start" "-a" "0e7924123d7845e4319fb2c4fdf5955459ff58ebd5e9746934c57e40db0a5b32", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustDemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustDemo` 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_demo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "0e7924123d7845e4319fb2c4fdf5955459ff58ebd5e9746934c57e40db0a5b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7924123d7845e4319fb2c4fdf5955459ff58ebd5e9746934c57e40db0a5b32", kill_on_drop: false }`
[INFO] [stdout] 0e7924123d7845e4319fb2c4fdf5955459ff58ebd5e9746934c57e40db0a5b32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 1f2f9bc5017ac7456df0d83fcbe586ac0f970fabd080997f4237e261074cb41e
[INFO] running `Command { std: "docker" "start" "-a" "1f2f9bc5017ac7456df0d83fcbe586ac0f970fabd080997f4237e261074cb41e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: crate `RustDemo` 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_demo`
[INFO] [stderr] 
[INFO] [stderr] warning: `RustDemo` (bin "RustDemo" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.59s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/RustDemo-194672e719910296)
[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" "1f2f9bc5017ac7456df0d83fcbe586ac0f970fabd080997f4237e261074cb41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2f9bc5017ac7456df0d83fcbe586ac0f970fabd080997f4237e261074cb41e", kill_on_drop: false }`
[INFO] [stdout] 1f2f9bc5017ac7456df0d83fcbe586ac0f970fabd080997f4237e261074cb41e