[INFO] fetching crate fuse-rust 0.2.0...
[INFO] checking fuse-rust-0.2.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate fuse-rust 0.2.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate fuse-rust 0.2.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuse-rust 0.2.0
[INFO] finished tweaking crates.io crate fuse-rust 0.2.0
[INFO] tweaked toml for crates.io crate fuse-rust 0.2.0 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate crates.io crate fuse-rust 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44b89e4bf45af576d79eebe091463abe48bfcc88865cbe92fc81dbd4e05399b1
[INFO] running `Command { std: "docker" "start" "-a" "44b89e4bf45af576d79eebe091463abe48bfcc88865cbe92fc81dbd4e05399b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44b89e4bf45af576d79eebe091463abe48bfcc88865cbe92fc81dbd4e05399b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b89e4bf45af576d79eebe091463abe48bfcc88865cbe92fc81dbd4e05399b1", kill_on_drop: false }`
[INFO] [stdout] 44b89e4bf45af576d79eebe091463abe48bfcc88865cbe92fc81dbd4e05399b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fffbbc391684d7c6547f4a6091f75dde17b9101344d5386fd675358f7ffe276
[INFO] running `Command { std: "docker" "start" "-a" "8fffbbc391684d7c6547f4a6091f75dde17b9101344d5386fd675358f7ffe276", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking fuse-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:628:28
[INFO] [stdout]     |
[INFO] [stdout] 628 |                       panic!(format!(
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 629 | |                         "Lookup Failed: Lookup doesnt contain requested value => {}.",
[INFO] [stdout] 630 | |                         &property.value
[INFO] [stdout] 631 | |                     ));
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` 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] 628 ~                     panic!(
[INFO] [stdout] 629 |                         "Lookup Failed: Lookup doesnt contain requested value => {}.",
[INFO] [stdout] 630 |                         &property.value
[INFO] [stdout] 631 ~                     );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:743:40
[INFO] [stdout]     |
[INFO] [stdout] 743 |   ...                   panic!(format!(
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 744 | | ...                       "Lookup doesnt contain requested value => {}.",
[INFO] [stdout] 745 | | ...                       &property.value
[INFO] [stdout] 746 | | ...                   ))
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[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] 743 ~                                 panic!(
[INFO] [stdout] 744 |                                     "Lookup doesnt contain requested value => {}.",
[INFO] [stdout] 745 |                                     &property.value
[INFO] [stdout] 746 ~                                 )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:628:28
[INFO] [stdout]     |
[INFO] [stdout] 628 |                       panic!(format!(
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 629 | |                         "Lookup Failed: Lookup doesnt contain requested value => {}.",
[INFO] [stdout] 630 | |                         &property.value
[INFO] [stdout] 631 | |                     ));
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` 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] 628 ~                     panic!(
[INFO] [stdout] 629 |                         "Lookup Failed: Lookup doesnt contain requested value => {}.",
[INFO] [stdout] 630 |                         &property.value
[INFO] [stdout] 631 ~                     );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:743:40
[INFO] [stdout]     |
[INFO] [stdout] 743 |   ...                   panic!(format!(
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 744 | | ...                       "Lookup doesnt contain requested value => {}.",
[INFO] [stdout] 745 | | ...                       &property.value
[INFO] [stdout] 746 | | ...                   ))
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[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] 743 ~                                 panic!(
[INFO] [stdout] 744 |                                     "Lookup doesnt contain requested value => {}.",
[INFO] [stdout] 745 |                                     &property.value
[INFO] [stdout] 746 ~                                 )
[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 2.59s
[INFO] running `Command { std: "docker" "inspect" "8fffbbc391684d7c6547f4a6091f75dde17b9101344d5386fd675358f7ffe276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fffbbc391684d7c6547f4a6091f75dde17b9101344d5386fd675358f7ffe276", kill_on_drop: false }`
[INFO] [stdout] 8fffbbc391684d7c6547f4a6091f75dde17b9101344d5386fd675358f7ffe276