[INFO] fetching crate mango-client 0.2.6...
[INFO] checking mango-client-0.2.6 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate mango-client 0.2.6 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate mango-client 0.2.6 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-64/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e6587435072e1cb4f7c77dcb48c8f7baa650cd6bc25b51fc2119122df0b9ebe
[INFO] running `Command { std: "docker" "start" "-a" "6e6587435072e1cb4f7c77dcb48c8f7baa650cd6bc25b51fc2119122df0b9ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e6587435072e1cb4f7c77dcb48c8f7baa650cd6bc25b51fc2119122df0b9ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6587435072e1cb4f7c77dcb48c8f7baa650cd6bc25b51fc2119122df0b9ebe", kill_on_drop: false }`
[INFO] [stdout] 6e6587435072e1cb4f7c77dcb48c8f7baa650cd6bc25b51fc2119122df0b9ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dc32e2a41935dc7d5e5af02ce6fe308385626ad66bb8e9419bb8a8d111ddcf0
[INFO] running `Command { std: "docker" "start" "-a" "9dc32e2a41935dc7d5e5af02ce6fe308385626ad66bb8e9419bb8a8d111ddcf0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
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[INFO] [stderr]     Checking percent-encoding v2.1.0
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[INFO] [stderr]    Compiling crc32fast v1.2.0
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[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking lzw v0.10.0
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[INFO] [stderr]     Checking color_quant v1.0.1
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[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]     Checking strerror v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]     Checking tracing-core v0.1.14
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[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[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" "9dc32e2a41935dc7d5e5af02ce6fe308385626ad66bb8e9419bb8a8d111ddcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc32e2a41935dc7d5e5af02ce6fe308385626ad66bb8e9419bb8a8d111ddcf0", kill_on_drop: false }`
[INFO] [stdout] 9dc32e2a41935dc7d5e5af02ce6fe308385626ad66bb8e9419bb8a8d111ddcf0