[INFO] crate xtp 0.1.0-alpha.3 is already in cache
[INFO] checking xtp-0.1.0-alpha.3 against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68746
[INFO] extracting crate xtp 0.1.0-alpha.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate xtp 0.1.0-alpha.3 on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xtp 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate xtp 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate xtp 0.1.0-alpha.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate xtp 0.1.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 584cbf80c3ad6254721c824f161f171c4a458b205e8dcec3aac460d056e4c1bd
[INFO] running `"docker" "start" "-a" "584cbf80c3ad6254721c824f161f171c4a458b205e8dcec3aac460d056e4c1bd"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling xtp v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr] error[E0464]: multiple matching crates for `std`
[INFO] [stderr]   |
[INFO] [stderr]   = note: candidates:
[INFO] [stderr]           crate `std`: /opt/rustwide/rustup-home/toolchains/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-b52c7986ab7b4ec7.rlib
[INFO] [stderr] 
[INFO] [stderr] error[E0464]: multiple matching crates for `std`
[INFO] [stderr]   |
[INFO] [stderr]   = note: candidates:
[INFO] [stderr]           crate `std`: /opt/rustwide/rustup-home/toolchains/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-b52c7986ab7b4ec7.rlib
[INFO] [stderr] 
[INFO] [stderr] error[E0514]: found crate `std` compiled by an incompatible version of rustc
[INFO] [stderr]   |
[INFO] [stderr]   = help: please recompile that crate using this compiler (rustc 1.42.0-nightly (0cbcb17d3 2020-02-02))
[INFO] [stderr]   = note: the following crate versions were found:
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdweb_internal_runtime-6ae3bd9f33a172ec.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdweb_derive-8a05277745e2144c.so
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdweb-1febd2eac73ecff1.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstderr_logging-d63fc290d97f2688.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdweb_internal_macros-5909ce10a976d3c2.so
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdf-343a710777037f2f.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstd_prelude-4bfb39bd69f9a328.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdf_record_derive-70b9136eae823fcb.so
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstd_net-74e4d971830ac9e5.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstderrlog-779a8b31c04f196d.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdweb_internal_test_macro-54d211fe5661962b.rmeta
[INFO] [stderr] 
[INFO] [stderr] error[E0514]: found crate `std` compiled by an incompatible version of rustc
[INFO] [stderr]   |
[INFO] [stderr]   = help: please recompile that crate using this compiler (rustc 1.42.0-nightly (0cbcb17d3 2020-02-02))
[INFO] [stderr]   = note: the following crate versions were found:
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdweb_internal_runtime-6ae3bd9f33a172ec.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdweb_derive-8a05277745e2144c.so
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdweb-1febd2eac73ecff1.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstderr_logging-d63fc290d97f2688.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdweb_internal_macros-5909ce10a976d3c2.so
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdf-343a710777037f2f.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstd_prelude-4bfb39bd69f9a328.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdf_record_derive-70b9136eae823fcb.so
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstd_net-74e4d971830ac9e5.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstderrlog-779a8b31c04f196d.rmeta
[INFO] [stderr]           crate `std` compiled by rustc 1.42.0-nightly (3738e44c8 2020-02-02): /opt/rustwide/target/debug/deps/libstdweb_internal_test_macro-54d211fe5661962b.rmeta
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `xtp`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `xtp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "584cbf80c3ad6254721c824f161f171c4a458b205e8dcec3aac460d056e4c1bd"`
[INFO] running `"docker" "rm" "-f" "584cbf80c3ad6254721c824f161f171c4a458b205e8dcec3aac460d056e4c1bd"`
[INFO] [stdout] 584cbf80c3ad6254721c824f161f171c4a458b205e8dcec3aac460d056e4c1bd