[INFO] fetching crate webdav-handler 0.2.0-alpha.4...
[INFO] checking webdav-handler-0.2.0-alpha.4 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate webdav-handler 0.2.0-alpha.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate webdav-handler 0.2.0-alpha.4 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webdav-handler 0.2.0-alpha.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate webdav-handler 0.2.0-alpha.4
[INFO] tweaked toml for crates.io crate webdav-handler 0.2.0-alpha.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate webdav-handler 0.2.0-alpha.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashbrown v0.6.3
[INFO] [stderr]   Downloaded async-trait v0.1.36
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 9679614407df4c52c0189fbd7032ae56196a486e347e11eedfc4177ace9e97de
[INFO] running `Command { std: "docker" "start" "-a" "9679614407df4c52c0189fbd7032ae56196a486e347e11eedfc4177ace9e97de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9679614407df4c52c0189fbd7032ae56196a486e347e11eedfc4177ace9e97de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9679614407df4c52c0189fbd7032ae56196a486e347e11eedfc4177ace9e97de", kill_on_drop: false }`
[INFO] [stdout] 9679614407df4c52c0189fbd7032ae56196a486e347e11eedfc4177ace9e97de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 1b4d3debb29ec12cee4eb91764a05caacb8e8cdb83b30642cd644f4b0d7c5e8a
[INFO] running `Command { std: "docker" "start" "-a" "1b4d3debb29ec12cee4eb91764a05caacb8e8cdb83b30642cd644f4b0d7c5e8a", kill_on_drop: false }`
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[INFO] [stderr]     Checking webdav-handler v0.2.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/davheaders.rs:566:30
[INFO] [stdout]     |
[INFO] [stdout] 566 |         self.conditions.push({ IfCondition { not, item } });
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/localfs_windows.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 | const CACHE_MAX_AGE: u64 = (15 * 60);
[INFO] [stdout]    |                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/davheaders.rs:566:30
[INFO] [stdout]     |
[INFO] [stdout] 566 |         self.conditions.push({ IfCondition { not, item } });
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/localfs_windows.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 | const CACHE_MAX_AGE: u64 = (15 * 60);
[INFO] [stdout]    |                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "1b4d3debb29ec12cee4eb91764a05caacb8e8cdb83b30642cd644f4b0d7c5e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4d3debb29ec12cee4eb91764a05caacb8e8cdb83b30642cd644f4b0d7c5e8a", kill_on_drop: false }`
[INFO] [stdout] 1b4d3debb29ec12cee4eb91764a05caacb8e8cdb83b30642cd644f4b0d7c5e8a