[INFO] cloning repository https://github.com/4010424ali/rust_programming_language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4010424ali/rust_programming_language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4010424ali%2Frust_programming_language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4010424ali%2Frust_programming_language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a02eec3f2b8b674a79ddafe4a81c76baed47cda
[INFO] testing 4010424ali/rust_programming_language against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4010424ali%2Frust_programming_language" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/4010424ali/rust_programming_language on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/4010424ali/rust_programming_language
[INFO] finished tweaking git repo https://github.com/4010424ali/rust_programming_language
[INFO] tweaked toml for git repo https://github.com/4010424ali/rust_programming_language written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/4010424ali/rust_programming_language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a4718f3979961c8f8b89888f2f23b96db453d36d513b0b0f1b525b1bc28ea0b
[INFO] running `Command { std: "docker" "start" "-a" "7a4718f3979961c8f8b89888f2f23b96db453d36d513b0b0f1b525b1bc28ea0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a4718f3979961c8f8b89888f2f23b96db453d36d513b0b0f1b525b1bc28ea0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4718f3979961c8f8b89888f2f23b96db453d36d513b0b0f1b525b1bc28ea0b", kill_on_drop: false }`
[INFO] [stdout] 7a4718f3979961c8f8b89888f2f23b96db453d36d513b0b0f1b525b1bc28ea0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f802ac1b4c3a336be4759745010457163dc910ae3deb1f66483eeea82b50db3d
[INFO] running `Command { std: "docker" "start" "-a" "f802ac1b4c3a336be4759745010457163dc910ae3deb1f66483eeea82b50db3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustProgramming v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustProgramming` 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_programming`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "f802ac1b4c3a336be4759745010457163dc910ae3deb1f66483eeea82b50db3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f802ac1b4c3a336be4759745010457163dc910ae3deb1f66483eeea82b50db3d", kill_on_drop: false }`
[INFO] [stdout] f802ac1b4c3a336be4759745010457163dc910ae3deb1f66483eeea82b50db3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 892bb62967e3532bf99b51607c81a27ccfd57475d306a2c7ff4433e2ed164f77
[INFO] running `Command { std: "docker" "start" "-a" "892bb62967e3532bf99b51607c81a27ccfd57475d306a2c7ff4433e2ed164f77", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustProgramming v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustProgramming` 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_programming`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "892bb62967e3532bf99b51607c81a27ccfd57475d306a2c7ff4433e2ed164f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892bb62967e3532bf99b51607c81a27ccfd57475d306a2c7ff4433e2ed164f77", kill_on_drop: false }`
[INFO] [stdout] 892bb62967e3532bf99b51607c81a27ccfd57475d306a2c7ff4433e2ed164f77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a81cd1bcd49812ebab5ff80ed0e28ae336c360dbd8c50e05f2a41e3ddeab48f
[INFO] running `Command { std: "docker" "start" "-a" "1a81cd1bcd49812ebab5ff80ed0e28ae336c360dbd8c50e05f2a41e3ddeab48f", kill_on_drop: false }`
[INFO] [stderr] warning: crate `RustProgramming` 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_programming`
[INFO] [stderr] 
[INFO] [stderr] warning: `RustProgramming` (bin "RustProgramming" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/RustProgramming-a694c1faefec5751)
[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" "1a81cd1bcd49812ebab5ff80ed0e28ae336c360dbd8c50e05f2a41e3ddeab48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a81cd1bcd49812ebab5ff80ed0e28ae336c360dbd8c50e05f2a41e3ddeab48f", kill_on_drop: false }`
[INFO] [stdout] 1a81cd1bcd49812ebab5ff80ed0e28ae336c360dbd8c50e05f2a41e3ddeab48f