[INFO] fetching crate fuse-backend-rs 0.1.2...
[INFO] checking fuse-backend-rs-0.1.2 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate fuse-backend-rs 0.1.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate fuse-backend-rs 0.1.2 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuse-backend-rs 0.1.2
[INFO] finished tweaking crates.io crate fuse-backend-rs 0.1.2
[INFO] tweaked toml for crates.io crate fuse-backend-rs 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2094429e4820342728bb6c71b33a2a23026cc46a91497212bb97f177e009c87
[INFO] running `Command { std: "docker" "start" "-a" "e2094429e4820342728bb6c71b33a2a23026cc46a91497212bb97f177e009c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2094429e4820342728bb6c71b33a2a23026cc46a91497212bb97f177e009c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2094429e4820342728bb6c71b33a2a23026cc46a91497212bb97f177e009c87", kill_on_drop: false }`
[INFO] [stdout] e2094429e4820342728bb6c71b33a2a23026cc46a91497212bb97f177e009c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb4775976aa278d3070a301557c5bddd488e1f02487c538069c15093fb12be68
[INFO] running `Command { std: "docker" "start" "-a" "bb4775976aa278d3070a301557c5bddd488e1f02487c538069c15093fb12be68", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking vmm-sys-util v0.4.0
[INFO] [stderr]     Checking vm-memory v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking caps v0.5.2
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking fuse-backend-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/smoke.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |               panic!(format!(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 71 | |                 "exec failed: {}: {}",
[INFO] [stdout] 72 | |                 cmd,
[INFO] [stdout] 73 | |                 std::str::from_utf8(&output.stderr).unwrap()
[INFO] [stdout] 74 | |             ));
[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] 70 ~             panic!(
[INFO] [stdout] 71 |                 "exec failed: {}: {}",
[INFO] [stdout] 72 |                 cmd,
[INFO] [stdout] 73 |                 std::str::from_utf8(&output.stderr).unwrap()
[INFO] [stdout] 74 ~             );
[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 9.28s
[INFO] running `Command { std: "docker" "inspect" "bb4775976aa278d3070a301557c5bddd488e1f02487c538069c15093fb12be68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4775976aa278d3070a301557c5bddd488e1f02487c538069c15093fb12be68", kill_on_drop: false }`
[INFO] [stdout] bb4775976aa278d3070a301557c5bddd488e1f02487c538069c15093fb12be68