[INFO] fetching crate sndfile 0.0.4...
[INFO] checking sndfile-0.0.4 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate sndfile 0.0.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sndfile 0.0.4 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sndfile 0.0.4
[INFO] finished tweaking crates.io crate sndfile 0.0.4
[INFO] tweaked toml for crates.io crate sndfile 0.0.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sndfile-sys v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] bb6a9ab6ab13e76b98c7c092db6a175435a89dcd48e2661bf1b438e8e55f3cf9
[INFO] running `Command { std: "docker" "start" "-a" "bb6a9ab6ab13e76b98c7c092db6a175435a89dcd48e2661bf1b438e8e55f3cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb6a9ab6ab13e76b98c7c092db6a175435a89dcd48e2661bf1b438e8e55f3cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6a9ab6ab13e76b98c7c092db6a175435a89dcd48e2661bf1b438e8e55f3cf9", kill_on_drop: false }`
[INFO] [stdout] bb6a9ab6ab13e76b98c7c092db6a175435a89dcd48e2661bf1b438e8e55f3cf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] b8bb6792255d3ba2fe1ed4d54245213973599b383eb28b040c9255ecdfcc5fb4
[INFO] running `Command { std: "docker" "start" "-a" "b8bb6792255d3ba2fe1ed4d54245213973599b383eb28b040c9255ecdfcc5fb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcpkg v0.2.12
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling sndfile-sys v0.2.2
[INFO] [stderr]     Checking sndfile v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:497:14
[INFO] [stdout]     |
[INFO] [stdout] 497 |       panic!(format!("Failed to call `sf_close`: {}", err_msg));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 497 |       panic!("Failed to call `sf_close`: {}", err_msg);
[INFO] [stdout]     |             --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:497:14
[INFO] [stdout]     |
[INFO] [stdout] 497 |       panic!(format!("Failed to call `sf_close`: {}", err_msg));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 497 |       panic!("Failed to call `sf_close`: {}", err_msg);
[INFO] [stdout]     |             --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `Command { std: "docker" "inspect" "b8bb6792255d3ba2fe1ed4d54245213973599b383eb28b040c9255ecdfcc5fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8bb6792255d3ba2fe1ed4d54245213973599b383eb28b040c9255ecdfcc5fb4", kill_on_drop: false }`
[INFO] [stdout] b8bb6792255d3ba2fe1ed4d54245213973599b383eb28b040c9255ecdfcc5fb4