[INFO] fetching crate kafi 0.1.2...
[INFO] checking kafi-0.1.2 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate kafi 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate kafi 0.1.2 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kafi 0.1.2
[INFO] finished tweaking crates.io crate kafi 0.1.2
[INFO] tweaked toml for crates.io crate kafi 0.1.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f84435ce9c1eb0379b8a331d815fb6f23a6c537bd765b9240df08bc4fc464be8
[INFO] running `Command { std: "docker" "start" "-a" "f84435ce9c1eb0379b8a331d815fb6f23a6c537bd765b9240df08bc4fc464be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f84435ce9c1eb0379b8a331d815fb6f23a6c537bd765b9240df08bc4fc464be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84435ce9c1eb0379b8a331d815fb6f23a6c537bd765b9240df08bc4fc464be8", kill_on_drop: false }`
[INFO] [stdout] f84435ce9c1eb0379b8a331d815fb6f23a6c537bd765b9240df08bc4fc464be8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b8723a7c458c709c7519679bf6cb3342c4b333c9f7f7558d3c3d7d26fc543bd
[INFO] running `Command { std: "docker" "start" "-a" "3b8723a7c458c709c7519679bf6cb3342c4b333c9f7f7558d3c3d7d26fc543bd", kill_on_drop: false }`
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking kafi v0.1.2 (/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/lib.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 .map_err(|e| e.description().to_string())?;
[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/lib.rs:51:32
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 .map_err(|e| e.description().to_string())?;
[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/lib.rs:56:57
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 _data = deserialize(&buf).map_err(|e| e.description().to_string())?;
[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/lib.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 .map_err(|e| e.description().to_string())?;
[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/lib.rs:120:32
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 .map_err(|e| e.description().to_string());
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:148:24
[INFO] [stdout]     |
[INFO] [stdout] 148 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 149 | |                     "Cannot flush {}: {:?}",
[INFO] [stdout] 150 | |                     self.file_path.display(),
[INFO] [stdout] 151 | |                     e
[INFO] [stdout] 152 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 panic!(
[INFO] [stdout] 149 |                     "Cannot flush {}: {:?}",
[INFO] [stdout] 150 |                     self.file_path.display(),
[INFO] [stdout] 151 |                     e
[INFO] [stdout] 152 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[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/lib.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 .map_err(|e| e.description().to_string())?;
[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/lib.rs:51:32
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 .map_err(|e| e.description().to_string())?;
[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/lib.rs:56:57
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 _data = deserialize(&buf).map_err(|e| e.description().to_string())?;
[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/lib.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 .map_err(|e| e.description().to_string())?;
[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/lib.rs:120:32
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 .map_err(|e| e.description().to_string());
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:148:24
[INFO] [stdout]     |
[INFO] [stdout] 148 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 149 | |                     "Cannot flush {}: {:?}",
[INFO] [stdout] 150 | |                     self.file_path.display(),
[INFO] [stdout] 151 | |                     e
[INFO] [stdout] 152 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 panic!(
[INFO] [stdout] 149 |                     "Cannot flush {}: {:?}",
[INFO] [stdout] 150 |                     self.file_path.display(),
[INFO] [stdout] 151 |                     e
[INFO] [stdout] 152 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "3b8723a7c458c709c7519679bf6cb3342c4b333c9f7f7558d3c3d7d26fc543bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8723a7c458c709c7519679bf6cb3342c4b333c9f7f7558d3c3d7d26fc543bd", kill_on_drop: false }`
[INFO] [stdout] 3b8723a7c458c709c7519679bf6cb3342c4b333c9f7f7558d3c3d7d26fc543bd