[INFO] fetching crate fastdl 0.2.0...
[INFO] checking fastdl-0.2.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate fastdl 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fastdl 0.2.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastdl 0.2.0
[INFO] finished tweaking crates.io crate fastdl 0.2.0
[INFO] tweaked toml for crates.io crate fastdl 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce3672ec7767cfbc0fe747d320f5de0bb4fd773321ea4b781c29b4da31622530
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ce3672ec7767cfbc0fe747d320f5de0bb4fd773321ea4b781c29b4da31622530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce3672ec7767cfbc0fe747d320f5de0bb4fd773321ea4b781c29b4da31622530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3672ec7767cfbc0fe747d320f5de0bb4fd773321ea4b781c29b4da31622530", kill_on_drop: false }`
[INFO] [stdout] ce3672ec7767cfbc0fe747d320f5de0bb4fd773321ea4b781c29b4da31622530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb1f2b0e08280a14a296e0d915aed2c0f7977022ca31bff5280fc3ecd0f6ba7c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb1f2b0e08280a14a296e0d915aed2c0f7977022ca31bff5280fc3ecd0f6ba7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking fastdl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem::transmute`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::transmute;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/lib.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(filename: &str) -> Result<Library<'a>> {
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]   --> src/lib.rs:17:40
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub unsafe fn get<T>(&'a mut self, symbol: &'a str) -> Result<&'a libloading::Symbol<'a, T>> {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lib`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     lib: libloading::Library,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fn_map`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn_map: HashMap<&'a str, libloading::Symbol<'a, *const ()>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::transmute`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::transmute;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/lib.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(filename: &str) -> Result<Library<'a>> {
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]   --> src/lib.rs:17:40
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub unsafe fn get<T>(&'a mut self, symbol: &'a str) -> Result<&'a libloading::Symbol<'a, T>> {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lib`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     lib: libloading::Library,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fn_map`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn_map: HashMap<&'a str, libloading::Symbol<'a, *const ()>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "bb1f2b0e08280a14a296e0d915aed2c0f7977022ca31bff5280fc3ecd0f6ba7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1f2b0e08280a14a296e0d915aed2c0f7977022ca31bff5280fc3ecd0f6ba7c", kill_on_drop: false }`
[INFO] [stdout] bb1f2b0e08280a14a296e0d915aed2c0f7977022ca31bff5280fc3ecd0f6ba7c