[INFO] fetching crate elearn 0.1.3...
[INFO] checking elearn-0.1.3 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate elearn 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate elearn 0.1.3
[INFO] finished tweaking crates.io crate elearn 0.1.3
[INFO] tweaked toml for crates.io crate elearn 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate elearn 0.1.3 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate elearn 0.1.3 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 630368be2372722dd8c21e9082fce18604b05a5b9997af9b2b475c5dbf3bbb51
[INFO] running `Command { std: "docker" "start" "-a" "630368be2372722dd8c21e9082fce18604b05a5b9997af9b2b475c5dbf3bbb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "630368be2372722dd8c21e9082fce18604b05a5b9997af9b2b475c5dbf3bbb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630368be2372722dd8c21e9082fce18604b05a5b9997af9b2b475c5dbf3bbb51", kill_on_drop: false }`
[INFO] [stdout] 630368be2372722dd8c21e9082fce18604b05a5b9997af9b2b475c5dbf3bbb51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c8dc395e5359fec562395b7a2828e32f26de8bb57eeb577bc71fb720882098c
[INFO] running `Command { std: "docker" "start" "-a" "0c8dc395e5359fec562395b7a2828e32f26de8bb57eeb577bc71fb720882098c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stdout] error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | unsafe impl Trait for ::std::marker::Send + Sync { }
[INFO] [stdout]    | ------------------------------------------------ first implementation here
[INFO] [stdout] 72 | unsafe impl Trait for ::std::marker::Send + Send + Sync { }
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | unsafe impl Trait for ::std::marker::Send + Sync { }
[INFO] [stdout]    | ------------------------------------------------ first implementation here
[INFO] [stdout] 72 | unsafe impl Trait for ::std::marker::Send + Send + Sync { }
[INFO] [stdout] 73 | unsafe impl Trait for ::std::marker::Sync + Send { }
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | unsafe impl Trait for ::std::marker::Send + Sync { }
[INFO] [stdout]    | ------------------------------------------------ first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 75 | unsafe impl Trait for ::std::marker::Sync + Send + Sync { }
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `traitobject` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0c8dc395e5359fec562395b7a2828e32f26de8bb57eeb577bc71fb720882098c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8dc395e5359fec562395b7a2828e32f26de8bb57eeb577bc71fb720882098c", kill_on_drop: false }`
[INFO] [stdout] 0c8dc395e5359fec562395b7a2828e32f26de8bb57eeb577bc71fb720882098c
