[INFO] cloning repository https://github.com/folsen/rustfest2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/folsen/rustfest2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffolsen%2Frustfest2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffolsen%2Frustfest2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e7c7787e2692e6ed111b9dd02f25157a7162d50
[INFO] checking folsen/rustfest2017 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffolsen%2Frustfest2017" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/folsen/rustfest2017 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/folsen/rustfest2017
[INFO] finished tweaking git repo https://github.com/folsen/rustfest2017
[INFO] tweaked toml for git repo https://github.com/folsen/rustfest2017 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/folsen/rustfest2017 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6622391c628695e2fa05ff35ec80f6f22083de54bcf5d6ea72eacebd872607a3
[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" "6622391c628695e2fa05ff35ec80f6f22083de54bcf5d6ea72eacebd872607a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6622391c628695e2fa05ff35ec80f6f22083de54bcf5d6ea72eacebd872607a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6622391c628695e2fa05ff35ec80f6f22083de54bcf5d6ea72eacebd872607a3", kill_on_drop: false }`
[INFO] [stdout] 6622391c628695e2fa05ff35ec80f6f22083de54bcf5d6ea72eacebd872607a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9171f50c6b8d48eed6a17f1cd46abe46d4bf2c6bf6cda875395e65fef841683
[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" "f9171f50c6b8d48eed6a17f1cd46abe46d4bf2c6bf6cda875395e65fef841683", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking id_tree v1.1.3
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking bejeweled v0.1.0 (/opt/rustwide/workdir/bejeweled)
[INFO] [stderr]     Checking parking_lot_core v0.2.6
[INFO] [stderr]     Checking taxi v0.1.0 (/opt/rustwide/workdir/taxi)
[INFO] [stderr]     Checking roguelike v0.1.0 (/opt/rustwide/workdir/roguelike)
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> taxi/src/lib.rs:60:2
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ((((p0.0 as i64 - p1.0 as i64).pow(2) + (p0.1 as i64 - p1.1 as i64).pow(2)) as f64).sqrt())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> taxi/src/lib.rs:60:2
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ((((p0.0 as i64 - p1.0 as i64).pow(2) + (p0.1 as i64 - p1.1 as i64).pow(2)) as f64).sqrt())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> roguelike/src/lib.rs:150:3
[INFO] [stdout]     |
[INFO] [stdout] 150 |         ((((1 - self.position.0 as i32).pow(2) + (21 - self.position.1 as i32).pow(2)) as f64).sqrt())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> roguelike/src/lib.rs:150:3
[INFO] [stdout]     |
[INFO] [stdout] 150 |         ((((1 - self.position.0 as i32).pow(2) + (21 - self.position.1 as i32).pow(2)) as f64).sqrt())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking regex v0.2.2
[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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] [stderr] error: could not compile `url`
[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] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f9171f50c6b8d48eed6a17f1cd46abe46d4bf2c6bf6cda875395e65fef841683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9171f50c6b8d48eed6a17f1cd46abe46d4bf2c6bf6cda875395e65fef841683", kill_on_drop: false }`
[INFO] [stdout] f9171f50c6b8d48eed6a17f1cd46abe46d4bf2c6bf6cda875395e65fef841683