[INFO] cloning repository https://github.com/AlexanderElias/rust-ssmtp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexanderElias/rust-ssmtp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderElias%2Frust-ssmtp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderElias%2Frust-ssmtp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43680a51a3764323221f0ba0a2ea04b4267202d6
[INFO] checking AlexanderElias/rust-ssmtp against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderElias%2Frust-ssmtp" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexanderElias/rust-ssmtp on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlexanderElias/rust-ssmtp
[INFO] finished tweaking git repo https://github.com/AlexanderElias/rust-ssmtp
[INFO] tweaked toml for git repo https://github.com/AlexanderElias/rust-ssmtp written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexanderElias/rust-ssmtp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 389b83d2d9f3ec6eb2fd26513b0edddf8552b0fb7ad6555915356a592bc6a876
[INFO] running `Command { std: "docker" "start" "-a" "389b83d2d9f3ec6eb2fd26513b0edddf8552b0fb7ad6555915356a592bc6a876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "389b83d2d9f3ec6eb2fd26513b0edddf8552b0fb7ad6555915356a592bc6a876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389b83d2d9f3ec6eb2fd26513b0edddf8552b0fb7ad6555915356a592bc6a876", kill_on_drop: false }`
[INFO] [stdout] 389b83d2d9f3ec6eb2fd26513b0edddf8552b0fb7ad6555915356a592bc6a876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10ae9ed63ab731f51ff52d85043e2f31a69806c7c12c482e023bb74a7bdfbf75
[INFO] running `Command { std: "docker" "start" "-a" "10ae9ed63ab731f51ff52d85043e2f31a69806c7c12c482e023bb74a7bdfbf75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ssmtp v1.0.1 (/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/email/mod.rs:31:70
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(why) => panic!("Couldn't create {}: {}", display, Error::description(&why)),
[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/email/mod.rs:37:72
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Err(why) => panic!("Couldn't write to {}: {}", display, Error::description(&why)),
[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/email/mod.rs:31:70
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(why) => panic!("Couldn't create {}: {}", display, Error::description(&why)),
[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/email/mod.rs:37:72
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Err(why) => panic!("Couldn't write to {}: {}", display, Error::description(&why)),
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "10ae9ed63ab731f51ff52d85043e2f31a69806c7c12c482e023bb74a7bdfbf75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ae9ed63ab731f51ff52d85043e2f31a69806c7c12c482e023bb74a7bdfbf75", kill_on_drop: false }`
[INFO] [stdout] 10ae9ed63ab731f51ff52d85043e2f31a69806c7c12c482e023bb74a7bdfbf75