[INFO] fetching crate deser-incomplete 0.1.2...
[INFO] checking deser-incomplete-0.1.2 against try#fcfb0ffc7ed7fc631df1136063939ef648434735 for pr-152543
[INFO] extracting crate deser-incomplete 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate deser-incomplete 0.1.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate deser-incomplete 0.1.2
[INFO] tweaked toml for crates.io crate deser-incomplete 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate deser-incomplete 0.1.2 on toolchain fcfb0ffc7ed7fc631df1136063939ef648434735
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate deser-incomplete 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bceec9451a35c027496115b33685727ff3a391b944e1c23ce783abdf57f7ba9
[INFO] running `Command { std: "docker" "start" "-a" "1bceec9451a35c027496115b33685727ff3a391b944e1c23ce783abdf57f7ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bceec9451a35c027496115b33685727ff3a391b944e1c23ce783abdf57f7ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bceec9451a35c027496115b33685727ff3a391b944e1c23ce783abdf57f7ba9", kill_on_drop: false }`
[INFO] [stdout] 1bceec9451a35c027496115b33685727ff3a391b944e1c23ce783abdf57f7ba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e12db923b00f2ace8c82ca66788c02cd0572afa204685254b84cd4c09b7219b0
[INFO] running `Command { std: "docker" "start" "-a" "e12db923b00f2ace8c82ca66788c02cd0572afa204685254b84cd4c09b7219b0", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/util.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | ) -> Option<&(dyn std::error::Error)> {
[INFO] [stdout]    |              ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 - ) -> Option<&(dyn std::error::Error)> {
[INFO] [stdout] 12 + ) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/util.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |         .map(|x| -> &(dyn std::error::Error) { x })
[INFO] [stdout]    |                      ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -         .map(|x| -> &(dyn std::error::Error) { x })
[INFO] [stdout] 16 +         .map(|x| -> &dyn std::error::Error { x })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/util.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | ) -> Option<&(dyn std::error::Error)> {
[INFO] [stdout]    |              ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 - ) -> Option<&(dyn std::error::Error)> {
[INFO] [stdout] 12 + ) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/util.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |         .map(|x| -> &(dyn std::error::Error) { x })
[INFO] [stdout]    |                      ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -         .map(|x| -> &(dyn std::error::Error) { x })
[INFO] [stdout] 16 +         .map(|x| -> &dyn std::error::Error { x })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomReporter` is never constructed
[INFO] [stdout]    --> src/options_impl.rs:586:12
[INFO] [stdout]     |
[INFO] [stdout] 586 | pub struct CustomReporter<T>(T);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomFallbackProvider` is never constructed
[INFO] [stdout]    --> src/options_impl.rs:595:12
[INFO] [stdout]     |
[INFO] [stdout] 595 | pub struct CustomFallbackProvider<T>(T);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomReporter` is never constructed
[INFO] [stdout]    --> src/options_impl.rs:586:12
[INFO] [stdout]     |
[INFO] [stdout] 586 | pub struct CustomReporter<T>(T);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomFallbackProvider` is never constructed
[INFO] [stdout]    --> src/options_impl.rs:595:12
[INFO] [stdout]     |
[INFO] [stdout] 595 | pub struct CustomFallbackProvider<T>(T);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "e12db923b00f2ace8c82ca66788c02cd0572afa204685254b84cd4c09b7219b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12db923b00f2ace8c82ca66788c02cd0572afa204685254b84cd4c09b7219b0", kill_on_drop: false }`
[INFO] [stdout] e12db923b00f2ace8c82ca66788c02cd0572afa204685254b84cd4c09b7219b0
