[INFO] fetching crate mango-client 0.2.6...
[INFO] testing mango-client-0.2.6 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate mango-client 0.2.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mango-client 0.2.6 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mango-client 0.2.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mango-client 0.2.6
[INFO] tweaked toml for crates.io crate mango-client 0.2.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mango-client 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rpassword v5.0.0
[INFO] [stderr]   Downloaded tiff v0.5.0
[INFO] [stderr]   Downloaded bytemuck v1.3.1
[INFO] [stderr]   Downloaded image v0.23.8
[INFO] [stderr]   Downloaded strerror v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aaf870ea7d4997594624ae0e35d1c304be8b9ed9374381949208072239feb2e
[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" "7aaf870ea7d4997594624ae0e35d1c304be8b9ed9374381949208072239feb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aaf870ea7d4997594624ae0e35d1c304be8b9ed9374381949208072239feb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aaf870ea7d4997594624ae0e35d1c304be8b9ed9374381949208072239feb2e", kill_on_drop: false }`
[INFO] [stdout] 7aaf870ea7d4997594624ae0e35d1c304be8b9ed9374381949208072239feb2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cccd198c32a321f98ff1861eb001671b2119b4d0abaa78c624bbec16ca1a14c
[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" "0cccd198c32a321f98ff1861eb001671b2119b4d0abaa78c624bbec16ca1a14c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.3.1
[INFO] [stderr]    Compiling strerror v0.6.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling tracing-core v0.1.14
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stdout] error[E0495]: cannot infer an appropriate lifetime for borrow expression due to conflicting requirements
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/strerror-0.6.2/src/lib.rs:368:15
[INFO] [stdout]     |
[INFO] [stdout] 368 |         match &self.next {
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: first, the lifetime cannot outlive the anonymous lifetime defined on the method body at 367:13...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/strerror-0.6.2/src/lib.rs:367:13
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn next(&mut self) -> Option<Self::Item> {
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] note: ...so that reference does not outlive borrowed content
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/strerror-0.6.2/src/lib.rs:368:15
[INFO] [stdout]     |
[INFO] [stdout] 368 |         match &self.next {
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] note: but, the lifetime must be valid for the lifetime `'a` as defined on the impl at 364:6...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/strerror-0.6.2/src/lib.rs:364:6
[INFO] [stdout]     |
[INFO] [stdout] 364 | impl<'a> Iterator for Iter<'a> {
[INFO] [stdout]     |      ^^
[INFO] [stdout] note: ...so that the expression is assignable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/strerror-0.6.2/src/lib.rs:372:29
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 self.next = e.source();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     = note: expected `Option<&'a (dyn std::error::Error + 'static)>`
[INFO] [stdout]                found `Option<&(dyn std::error::Error + 'static)>`
[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 E0495`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strerror` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0cccd198c32a321f98ff1861eb001671b2119b4d0abaa78c624bbec16ca1a14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cccd198c32a321f98ff1861eb001671b2119b4d0abaa78c624bbec16ca1a14c", kill_on_drop: false }`
[INFO] [stdout] 0cccd198c32a321f98ff1861eb001671b2119b4d0abaa78c624bbec16ca1a14c