[INFO] cloning repository https://github.com/drewandrewd/RustLesson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drewandrewd/RustLesson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewandrewd%2FRustLesson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewandrewd%2FRustLesson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a53548923a3a7bb70cfc959ab3463a1b5edb16b
[INFO] testing drewandrewd/RustLesson 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%2Fdrewandrewd%2FRustLesson" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drewandrewd/RustLesson 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/drewandrewd/RustLesson
[INFO] finished tweaking git repo https://github.com/drewandrewd/RustLesson
[INFO] tweaked toml for git repo https://github.com/drewandrewd/RustLesson written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/drewandrewd/RustLesson 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7260d43fde6456c5d5d2f5dd94bbfe6b097ffe8bd5541068560cfa1e17740d95
[INFO] running `Command { std: "docker" "start" "-a" "7260d43fde6456c5d5d2f5dd94bbfe6b097ffe8bd5541068560cfa1e17740d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7260d43fde6456c5d5d2f5dd94bbfe6b097ffe8bd5541068560cfa1e17740d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7260d43fde6456c5d5d2f5dd94bbfe6b097ffe8bd5541068560cfa1e17740d95", kill_on_drop: false }`
[INFO] [stdout] 7260d43fde6456c5d5d2f5dd94bbfe6b097ffe8bd5541068560cfa1e17740d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6b941b5ec626c2a233e933db4ec688b4c4ba17dd05f7fa571cc2c1ee64fed2c5
[INFO] running `Command { std: "docker" "start" "-a" "6b941b5ec626c2a233e933db4ec688b4c4ba17dd05f7fa571cc2c1ee64fed2c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[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 RustLesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustLesson` 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_lesson`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.94s
[INFO] running `Command { std: "docker" "inspect" "6b941b5ec626c2a233e933db4ec688b4c4ba17dd05f7fa571cc2c1ee64fed2c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b941b5ec626c2a233e933db4ec688b4c4ba17dd05f7fa571cc2c1ee64fed2c5", kill_on_drop: false }`
[INFO] [stdout] 6b941b5ec626c2a233e933db4ec688b4c4ba17dd05f7fa571cc2c1ee64fed2c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0de0f865ae26064447b992d688aa540befb31f857f284e75dda93deee96809ef
[INFO] running `Command { std: "docker" "start" "-a" "0de0f865ae26064447b992d688aa540befb31f857f284e75dda93deee96809ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustLesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustLesson` 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_lesson`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/RustLesson-296ddcb8188a8e5a)
[INFO] running `Command { std: "docker" "inspect" "0de0f865ae26064447b992d688aa540befb31f857f284e75dda93deee96809ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de0f865ae26064447b992d688aa540befb31f857f284e75dda93deee96809ef", kill_on_drop: false }`
[INFO] [stdout] 0de0f865ae26064447b992d688aa540befb31f857f284e75dda93deee96809ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9f905b960282a1a60d6180f405eded0f14151a2128974a7f5acb1407d2a0676d
[INFO] running `Command { std: "docker" "start" "-a" "9f905b960282a1a60d6180f405eded0f14151a2128974a7f5acb1407d2a0676d", kill_on_drop: false }`
[INFO] [stderr] warning: crate `RustLesson` 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_lesson`
[INFO] [stderr] 
[INFO] [stderr] warning: `RustLesson` (bin "RustLesson" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/RustLesson-296ddcb8188a8e5a)
[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" "9f905b960282a1a60d6180f405eded0f14151a2128974a7f5acb1407d2a0676d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f905b960282a1a60d6180f405eded0f14151a2128974a7f5acb1407d2a0676d", kill_on_drop: false }`
[INFO] [stdout] 9f905b960282a1a60d6180f405eded0f14151a2128974a7f5acb1407d2a0676d