[INFO] cloning repository https://github.com/perlun/copper.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/perlun/copper.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlun%2Fcopper.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlun%2Fcopper.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cabd3709594750f41344bfaf4891b6edab2de04
[INFO] checking perlun/copper.rs against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlun%2Fcopper.rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/perlun/copper.rs on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/perlun/copper.rs
[INFO] finished tweaking git repo https://github.com/perlun/copper.rs
[INFO] tweaked toml for git repo https://github.com/perlun/copper.rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/perlun/copper.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: TOML file found which contains invalid syntax and will soon not parse
[INFO] [stderr] at `/workspace/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-0.5.9/Cargo.toml`.
[INFO] [stderr] 
[INFO] [stderr] The TOML spec requires newlines after table definitions (e.g., `[a] b = 1` is
[INFO] [stderr] invalid), but this file has a table header which does not have a newline after
[INFO] [stderr] it. A newline needs to be added and this warning will soon become a hard error
[INFO] [stderr] in the future.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af3d012580f91a55c8766c2a4d9cfb563876ea3ccfeb4cc10e46687961123b56
[INFO] running `Command { std: "docker" "start" "-a" "af3d012580f91a55c8766c2a4d9cfb563876ea3ccfeb4cc10e46687961123b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af3d012580f91a55c8766c2a4d9cfb563876ea3ccfeb4cc10e46687961123b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af3d012580f91a55c8766c2a4d9cfb563876ea3ccfeb4cc10e46687961123b56", kill_on_drop: false }`
[INFO] [stdout] af3d012580f91a55c8766c2a4d9cfb563876ea3ccfeb4cc10e46687961123b56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fcc325c2d695e3ce593d09eaf5d2d6d1890abe9b961a01aea15608085b299cc
[INFO] running `Command { std: "docker" "start" "-a" "2fcc325c2d695e3ce593d09eaf5d2d6d1890abe9b961a01aea15608085b299cc", 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] warning: TOML file found which contains invalid syntax and will soon not parse
[INFO] [stderr] at `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-0.5.9/Cargo.toml`.
[INFO] [stderr] 
[INFO] [stderr] The TOML spec requires newlines after table definitions (e.g., `[a] b = 1` is
[INFO] [stderr] invalid), but this file has a table header which does not have a newline after
[INFO] [stderr] it. A newline needs to be added and this warning will soon become a hard error
[INFO] [stderr] in the future.
[INFO] [stderr]     Checking libc v0.2.12
[INFO] [stderr]     Checking winapi v0.2.7
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking serde v0.7.10
[INFO] [stderr]     Checking quick-error v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.3.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking crossbeam v0.2.9
[INFO] [stderr]     Checking mime v0.2.1
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking ordered-float v0.1.0
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[INFO] [stderr]     Checking humantime v0.1.3
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thread_local v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.5.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]     Checking uuid v0.2.2
[INFO] [stderr]     Checking regex v0.1.71
[INFO] [stderr]     Checking url v1.1.1
[INFO] [stderr]     Checking chrono v0.2.22
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: to use a constant of type `format::ParseError` in a pattern, `format::ParseError` must be annotated with `#[derive(PartialEq, Eq)]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/chrono-0.2.22/src/format/parsed.rs:476:22
[INFO] [stdout]     |
[INFO] [stdout] 476 |                 (Err(OUT_OF_RANGE), _) | (_, Err(OUT_OF_RANGE)) => return Err(OUT_OF_RANGE),
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: to use a constant of type `format::ParseError` in a pattern, `format::ParseError` must be annotated with `#[derive(PartialEq, Eq)]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/chrono-0.2.22/src/format/parsed.rs:476:50
[INFO] [stdout]     |
[INFO] [stdout] 476 |                 (Err(OUT_OF_RANGE), _) | (_, Err(OUT_OF_RANGE)) => return Err(OUT_OF_RANGE),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: to use a constant of type `format::ParseError` in a pattern, `format::ParseError` must be annotated with `#[derive(PartialEq, Eq)]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/chrono-0.2.22/src/format/parsed.rs:477:22
[INFO] [stdout]     |
[INFO] [stdout] 477 |                 (Err(IMPOSSIBLE), _) | (_, Err(IMPOSSIBLE)) => return Err(IMPOSSIBLE),
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: to use a constant of type `format::ParseError` in a pattern, `format::ParseError` must be annotated with `#[derive(PartialEq, Eq)]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/chrono-0.2.22/src/format/parsed.rs:477:48
[INFO] [stdout]     |
[INFO] [stdout] 477 |                 (Err(IMPOSSIBLE), _) | (_, Err(IMPOSSIBLE)) => return Err(IMPOSSIBLE),
[INFO] [stdout]     |                                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.1.1/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2fcc325c2d695e3ce593d09eaf5d2d6d1890abe9b961a01aea15608085b299cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fcc325c2d695e3ce593d09eaf5d2d6d1890abe9b961a01aea15608085b299cc", kill_on_drop: false }`
[INFO] [stdout] 2fcc325c2d695e3ce593d09eaf5d2d6d1890abe9b961a01aea15608085b299cc