[INFO] fetching crate elearn 0.1.3...
[INFO] checking elearn-0.1.3 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate elearn 0.1.3 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate elearn 0.1.3 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.2.8
[INFO] [stderr]   Downloaded parking_lot_core v0.9.1
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded humansize v1.1.1
[INFO] [stderr]   Downloaded chrono-tz-build v0.0.2
[INFO] [stderr]   Downloaded uncased v0.9.6
[INFO] [stderr]   Downloaded urlencoding v2.1.0
[INFO] [stderr]   Downloaded sha-1 v0.10.0
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded globwalk v0.8.1
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded globset v0.4.8
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded backtrace v0.3.64
[INFO] [stderr]   Downloaded log4rs v1.0.0
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.0
[INFO] [stderr]   Downloaded deunicode v0.4.3
[INFO] [stderr]   Downloaded http v0.2.6
[INFO] [stderr]   Downloaded tera v1.15.0
[INFO] [stderr]   Downloaded h2 v0.3.12
[INFO] [stderr]   Downloaded hyper v0.14.17
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded object v0.27.1
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded headers v0.3.7
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded tungstenite v0.14.0
[INFO] [stderr]   Downloaded warp v0.3.2
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded multipart v0.18.0
[INFO] [stderr]   Downloaded pin-project v1.0.10
[INFO] [stderr]   Downloaded tracing v0.1.32
[INFO] [stderr]   Downloaded unic-segment v0.9.0
[INFO] [stderr]   Downloaded twoway v0.1.8
[INFO] [stderr]   Downloaded tokio-tungstenite v0.15.0
[INFO] [stderr]   Downloaded tracing-core v0.1.23
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] [stderr]   Downloaded buf_redux v0.8.4
[INFO] [stderr]   Downloaded mime_guess v2.0.4
[INFO] [stderr]   Downloaded tokio v1.17.0
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded chrono-tz v0.6.1
[INFO] [stderr]   Downloaded pin-project-internal v1.0.10
[INFO] [stderr]   Downloaded httparse v1.6.0
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.32.0
[INFO] [stderr]   Downloaded getrandom v0.2.5
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded windows_i686_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.32.0
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded windows_i686_gnu v0.32.0
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded slug v0.1.4
[INFO] [stderr]   Downloaded windows-sys v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9cce5197b50d5ec768886b802e09df78b61d4b2bc5e8ffcbf3b87d8311a40f2
[INFO] running `Command { std: "docker" "start" "-a" "e9cce5197b50d5ec768886b802e09df78b61d4b2bc5e8ffcbf3b87d8311a40f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9cce5197b50d5ec768886b802e09df78b61d4b2bc5e8ffcbf3b87d8311a40f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9cce5197b50d5ec768886b802e09df78b61d4b2bc5e8ffcbf3b87d8311a40f2", kill_on_drop: false }`
[INFO] [stdout] e9cce5197b50d5ec768886b802e09df78b61d4b2bc5e8ffcbf3b87d8311a40f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63dbd81e4fec96f8fd8b1d335d76081e5b8e1a4482efcf797a7e2245ad8a2d2b
[INFO] running `Command { std: "docker" "start" "-a" "63dbd81e4fec96f8fd8b1d335d76081e5b8e1a4482efcf797a7e2245ad8a2d2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking typenum v1.15.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling chrono-tz-build v0.0.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]    Compiling chrono-tz v0.6.1
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[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] [stderr]     Checking try-lock v0.2.3
[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" "63dbd81e4fec96f8fd8b1d335d76081e5b8e1a4482efcf797a7e2245ad8a2d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63dbd81e4fec96f8fd8b1d335d76081e5b8e1a4482efcf797a7e2245ad8a2d2b", kill_on_drop: false }`
[INFO] [stdout] 63dbd81e4fec96f8fd8b1d335d76081e5b8e1a4482efcf797a7e2245ad8a2d2b