[INFO] cloning repository https://github.com/Icelk/kvarn-extensions-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Icelk/kvarn-extensions-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIcelk%2Fkvarn-extensions-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIcelk%2Fkvarn-extensions-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b980ea13c8ac6b4e1f01c873d40a5e9d4467207
[INFO] checking Icelk/kvarn-extensions-example against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIcelk%2Fkvarn-extensions-example" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Icelk/kvarn-extensions-example on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Icelk/kvarn-extensions-example
[INFO] finished tweaking git repo https://github.com/Icelk/kvarn-extensions-example
[INFO] tweaked toml for git repo https://github.com/Icelk/kvarn-extensions-example written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Icelk/kvarn-extensions-example 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Icelk/kvarn`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] affb76cc2e083a7c30b12ed16e7e17fe4a4d81875b56ffd17b6ad99400970dc2
[INFO] running `Command { std: "docker" "start" "-a" "affb76cc2e083a7c30b12ed16e7e17fe4a4d81875b56ffd17b6ad99400970dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "affb76cc2e083a7c30b12ed16e7e17fe4a4d81875b56ffd17b6ad99400970dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "affb76cc2e083a7c30b12ed16e7e17fe4a4d81875b56ffd17b6ad99400970dc2", kill_on_drop: false }`
[INFO] [stdout] affb76cc2e083a7c30b12ed16e7e17fe4a4d81875b56ffd17b6ad99400970dc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1f016a576e0dcdb2a2ea505d3809be7c081e75820761ed0bbfc9df6567323bc
[INFO] running `Command { std: "docker" "start" "-a" "f1f016a576e0dcdb2a2ea505d3809be7c081e75820761ed0bbfc9df6567323bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking brotli-decompressor v2.3.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking brotli v3.3.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking kvarn_utils v0.1.0 (https://github.com/Icelk/kvarn#0b2d10fd)
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking kvarn_async v0.1.0 (https://github.com/Icelk/kvarn#0b2d10fd)
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking kvarn v0.2.0 (https://github.com/Icelk/kvarn#0b2d10fd)
[INFO] [stderr]     Checking kvarn-extensions-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.51s
[INFO] running `Command { std: "docker" "inspect" "f1f016a576e0dcdb2a2ea505d3809be7c081e75820761ed0bbfc9df6567323bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f016a576e0dcdb2a2ea505d3809be7c081e75820761ed0bbfc9df6567323bc", kill_on_drop: false }`
[INFO] [stdout] f1f016a576e0dcdb2a2ea505d3809be7c081e75820761ed0bbfc9df6567323bc
[INFO] checking Icelk/kvarn-extensions-example against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIcelk%2Fkvarn-extensions-example" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Icelk/kvarn-extensions-example on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Icelk/kvarn-extensions-example
[INFO] finished tweaking git repo https://github.com/Icelk/kvarn-extensions-example
[INFO] tweaked toml for git repo https://github.com/Icelk/kvarn-extensions-example written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Icelk/kvarn-extensions-example 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 745f3f3655491f9b568f10ef279a9b6330e5d6ab0f31ad87eafd2ca3fa1fe751
[INFO] running `Command { std: "docker" "start" "-a" "745f3f3655491f9b568f10ef279a9b6330e5d6ab0f31ad87eafd2ca3fa1fe751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "745f3f3655491f9b568f10ef279a9b6330e5d6ab0f31ad87eafd2ca3fa1fe751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745f3f3655491f9b568f10ef279a9b6330e5d6ab0f31ad87eafd2ca3fa1fe751", kill_on_drop: false }`
[INFO] [stdout] 745f3f3655491f9b568f10ef279a9b6330e5d6ab0f31ad87eafd2ca3fa1fe751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf973298d9161fbadd02b04e503b9562bc455447a6fced89fcd3981cff24dbcc
[INFO] running `Command { std: "docker" "start" "-a" "cf973298d9161fbadd02b04e503b9562bc455447a6fced89fcd3981cff24dbcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking brotli-decompressor v2.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking brotli v3.3.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.19/src/format/parse.rs:491:21
[INFO] [stdout]     |
[INFO] [stdout] 491 |                     Err(INVALID)?;
[INFO] [stdout]     |                     ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 491 |                     Err::<T, format::ParseError>(INVALID)?;
[INFO] [stdout]     |                        +++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chrono` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cf973298d9161fbadd02b04e503b9562bc455447a6fced89fcd3981cff24dbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf973298d9161fbadd02b04e503b9562bc455447a6fced89fcd3981cff24dbcc", kill_on_drop: false }`
[INFO] [stdout] cf973298d9161fbadd02b04e503b9562bc455447a6fced89fcd3981cff24dbcc