[INFO] cloning repository https://github.com/iulianbeleiu/Rust-Crash-Course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iulianbeleiu/Rust-Crash-Course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiulianbeleiu%2FRust-Crash-Course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiulianbeleiu%2FRust-Crash-Course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 700563cc13ba88c5f7ad5afbeacb5f0420581773
[INFO] testing iulianbeleiu/Rust-Crash-Course against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiulianbeleiu%2FRust-Crash-Course" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iulianbeleiu/Rust-Crash-Course on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iulianbeleiu/Rust-Crash-Course
[INFO] finished tweaking git repo https://github.com/iulianbeleiu/Rust-Crash-Course
[INFO] tweaked toml for git repo https://github.com/iulianbeleiu/Rust-Crash-Course written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/iulianbeleiu/Rust-Crash-Course already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfed4570ad346b02794eaed9587ce4090d78ae9e0742ee640c8484a6e2d36abd
[INFO] running `Command { std: "docker" "start" "-a" "dfed4570ad346b02794eaed9587ce4090d78ae9e0742ee640c8484a6e2d36abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfed4570ad346b02794eaed9587ce4090d78ae9e0742ee640c8484a6e2d36abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfed4570ad346b02794eaed9587ce4090d78ae9e0742ee640c8484a6e2d36abd", kill_on_drop: false }`
[INFO] [stdout] dfed4570ad346b02794eaed9587ce4090d78ae9e0742ee640c8484a6e2d36abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca7554b8999bf234504f982f921beb77b28da4629d348d96ebb324fb9b2d7296
[INFO] running `Command { std: "docker" "start" "-a" "ca7554b8999bf234504f982f921beb77b28da4629d348d96ebb324fb9b2d7296", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustCrashCourse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustCrashCourse` 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_crash_course`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.52s
[INFO] running `Command { std: "docker" "inspect" "ca7554b8999bf234504f982f921beb77b28da4629d348d96ebb324fb9b2d7296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7554b8999bf234504f982f921beb77b28da4629d348d96ebb324fb9b2d7296", kill_on_drop: false }`
[INFO] [stdout] ca7554b8999bf234504f982f921beb77b28da4629d348d96ebb324fb9b2d7296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23b24dc1570dc90474b5672f5ae84cd3853b9169e4ac52eca0cd960e0fd02604
[INFO] running `Command { std: "docker" "start" "-a" "23b24dc1570dc90474b5672f5ae84cd3853b9169e4ac52eca0cd960e0fd02604", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustCrashCourse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustCrashCourse` 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_crash_course`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "23b24dc1570dc90474b5672f5ae84cd3853b9169e4ac52eca0cd960e0fd02604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b24dc1570dc90474b5672f5ae84cd3853b9169e4ac52eca0cd960e0fd02604", kill_on_drop: false }`
[INFO] [stdout] 23b24dc1570dc90474b5672f5ae84cd3853b9169e4ac52eca0cd960e0fd02604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 451b86847a923fba39b6bab3680c7221e09ba5a9c56f0f8be3fdb8f4bf7e33bb
[INFO] running `Command { std: "docker" "start" "-a" "451b86847a923fba39b6bab3680c7221e09ba5a9c56f0f8be3fdb8f4bf7e33bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: crate `RustCrashCourse` 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_crash_course`
[INFO] [stderr] 
[INFO] [stderr] warning: `RustCrashCourse` (bin "RustCrashCourse" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/RustCrashCourse-4eb233d1e5a3ff04)
[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" "451b86847a923fba39b6bab3680c7221e09ba5a9c56f0f8be3fdb8f4bf7e33bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451b86847a923fba39b6bab3680c7221e09ba5a9c56f0f8be3fdb8f4bf7e33bb", kill_on_drop: false }`
[INFO] [stdout] 451b86847a923fba39b6bab3680c7221e09ba5a9c56f0f8be3fdb8f4bf7e33bb