[INFO] fetching crate juniper-eager-loading 0.5.1...
[INFO] testing juniper-eager-loading-0.5.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate juniper-eager-loading 0.5.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate juniper-eager-loading 0.5.1
[INFO] removed 10 missing examples
[INFO] finished tweaking crates.io crate juniper-eager-loading 0.5.1
[INFO] tweaked toml for crates.io crate juniper-eager-loading 0.5.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate juniper-eager-loading 0.5.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate juniper-eager-loading 0.5.1 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded juniper-from-schema v0.5.2
[INFO] [stderr]   Downloaded bae v0.1.4
[INFO] [stderr]   Downloaded juniper-from-schema-code-gen v0.5.2
[INFO] [stderr]   Downloaded extend v0.1.1
[INFO] [stderr]   Downloaded juniper_codegen v0.14.2
[INFO] [stderr]   Downloaded graphql-parser v0.2.3
[INFO] [stderr]   Downloaded assert-json-diff v1.0.3
[INFO] [stderr]   Downloaded mysqlclient-sys v0.2.4
[INFO] [stderr]   Downloaded juniper-eager-loading-code-gen v0.5.1
[INFO] [stderr]   Downloaded trybuild v1.0.23
[INFO] [stderr]   Downloaded juniper v0.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9608457b4a713c48492a2240eccbd85beb59f1af42bff5ef14a92ae4bcfd8bf1
[INFO] running `Command { std: "docker" "start" "-a" "9608457b4a713c48492a2240eccbd85beb59f1af42bff5ef14a92ae4bcfd8bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9608457b4a713c48492a2240eccbd85beb59f1af42bff5ef14a92ae4bcfd8bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9608457b4a713c48492a2240eccbd85beb59f1af42bff5ef14a92ae4bcfd8bf1", kill_on_drop: false }`
[INFO] [stdout] 9608457b4a713c48492a2240eccbd85beb59f1af42bff5ef14a92ae4bcfd8bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7170f4958cd8efe76896b7fdb5fd57f55cb20357bafbebc2cbec02e6f298fd7
[INFO] running `Command { std: "docker" "start" "-a" "b7170f4958cd8efe76896b7fdb5fd57f55cb20357bafbebc2cbec02e6f298fd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling juniper_codegen v0.14.2
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling bae v0.1.4
[INFO] [stderr]    Compiling graphql-parser v0.2.3
[INFO] [stderr]    Compiling juniper-eager-loading-code-gen v0.5.1
[INFO] [stderr]    Compiling juniper-from-schema-code-gen v0.5.2
[INFO] [stderr]    Compiling juniper v0.14.2
[INFO] [stderr]    Compiling juniper-from-schema v0.5.2
[INFO] [stderr]    Compiling juniper-eager-loading v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:655:17
[INFO] [stdout]     |
[INFO] [stdout] 655 |                 std::mem::replace(self, HasOneInner::LoadFailed);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:523:5
[INFO] [stdout]     |
[INFO] [stdout] 523 |     unused_must_use,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 655 |                 let _ = std::mem::replace(self, HasOneInner::LoadFailed);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/association.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     std::mem::replace(&mut association.0, HasOneInner::Loaded(child));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let _ = std::mem::replace(&mut association.0, HasOneInner::Loaded(child));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/association.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     std::mem::replace(&mut association.0, child);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let _ = std::mem::replace(&mut association.0, child);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/association.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             std::mem::replace(&mut association.0, None);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let _ = std::mem::replace(&mut association.0, None);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `juniper-eager-loading` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b7170f4958cd8efe76896b7fdb5fd57f55cb20357bafbebc2cbec02e6f298fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7170f4958cd8efe76896b7fdb5fd57f55cb20357bafbebc2cbec02e6f298fd7", kill_on_drop: false }`
[INFO] [stdout] b7170f4958cd8efe76896b7fdb5fd57f55cb20357bafbebc2cbec02e6f298fd7