[INFO] fetching crate twitter-v2 0.1.8...
[INFO] checking twitter-v2-0.1.8 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate twitter-v2 0.1.8 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate twitter-v2 0.1.8 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twitter-v2 0.1.8
[INFO] finished tweaking crates.io crate twitter-v2 0.1.8
[INFO] tweaked toml for crates.io crate twitter-v2 0.1.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate twitter-v2 0.1.8 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" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oauth-credentials v0.3.0
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[INFO] [stderr]   Downloaded oauth1-request v0.5.1
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea96a1dfdfbb191878989d68924a4b3dbeff614335c25fe60bc834ec7bc52186
[INFO] running `Command { std: "docker" "start" "-a" "ea96a1dfdfbb191878989d68924a4b3dbeff614335c25fe60bc834ec7bc52186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea96a1dfdfbb191878989d68924a4b3dbeff614335c25fe60bc834ec7bc52186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea96a1dfdfbb191878989d68924a4b3dbeff614335c25fe60bc834ec7bc52186", kill_on_drop: false }`
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[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2130f28f168b10c91115cd32c910872fdf2d8dd289e32147f766c01b5f66bfad
[INFO] running `Command { std: "docker" "start" "-a" "2130f28f168b10c91115cd32c910872fdf2d8dd289e32147f766c01b5f66bfad", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `pretty_assertions::assert_eq`
[INFO] [stdout]  --> tests/data_serde.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pretty_assertions::assert_eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]   --> tests/data_serde.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let decoded: Example<Vec<Tweet>> = serde_json::from_value(example.clone())
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]   --> tests/data_serde.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let decoded: Example<Vec<Space>> = serde_json::from_value(example.clone())
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.89s
[INFO] running `Command { std: "docker" "inspect" "2130f28f168b10c91115cd32c910872fdf2d8dd289e32147f766c01b5f66bfad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2130f28f168b10c91115cd32c910872fdf2d8dd289e32147f766c01b5f66bfad", kill_on_drop: false }`
[INFO] [stdout] 2130f28f168b10c91115cd32c910872fdf2d8dd289e32147f766c01b5f66bfad