[INFO] cloning repository https://github.com/samir-ah/rust_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samir-ah/rust_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamir-ah%2Frust_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamir-ah%2Frust_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a78f49fdc074f3145ee14889e51eb4f1d6042fde
[INFO] checking samir-ah/rust_project against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamir-ah%2Frust_project" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samir-ah/rust_project on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samir-ah/rust_project
[INFO] finished tweaking git repo https://github.com/samir-ah/rust_project
[INFO] tweaked toml for git repo https://github.com/samir-ah/rust_project written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/samir-ah/rust_project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e297fa1919e4c2521b26365179d2bebf37f8c24f3e0285667275d8b37ea5443
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9e297fa1919e4c2521b26365179d2bebf37f8c24f3e0285667275d8b37ea5443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e297fa1919e4c2521b26365179d2bebf37f8c24f3e0285667275d8b37ea5443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e297fa1919e4c2521b26365179d2bebf37f8c24f3e0285667275d8b37ea5443", kill_on_drop: false }`
[INFO] [stdout] 9e297fa1919e4c2521b26365179d2bebf37f8c24f3e0285667275d8b37ea5443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--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] a6afbd78b9986092a2625d2f7e8760dadd4992810eca1436262ef28d8c4eb2b9
[INFO] running `Command { std: "docker" "start" "-a" "a6afbd78b9986092a2625d2f7e8760dadd4992810eca1436262ef28d8c4eb2b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking projet_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:194:63
[INFO] [stdout]     |
[INFO] [stdout] 194 |       Err(why) => panic!("couldn't open {}: {}", display, why.description()),
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:210:69
[INFO] [stdout]     |
[INFO] [stdout] 210 |           Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:214:71
[INFO] [stdout]     |
[INFO] [stdout] 214 |           Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:194:63
[INFO] [stdout]     |
[INFO] [stdout] 194 |       Err(why) => panic!("couldn't open {}: {}", display, why.description()),
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:210:69
[INFO] [stdout]     |
[INFO] [stdout] 210 |           Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:214:71
[INFO] [stdout]     |
[INFO] [stdout] 214 |           Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.18s
[INFO] running `Command { std: "docker" "inspect" "a6afbd78b9986092a2625d2f7e8760dadd4992810eca1436262ef28d8c4eb2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6afbd78b9986092a2625d2f7e8760dadd4992810eca1436262ef28d8c4eb2b9", kill_on_drop: false }`
[INFO] [stdout] a6afbd78b9986092a2625d2f7e8760dadd4992810eca1436262ef28d8c4eb2b9