[INFO] fetching crate acmev02 0.1.0...
[INFO] checking acmev02-0.1.0 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate acmev02 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate acmev02 0.1.0 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 acmev02 0.1.0
[INFO] finished tweaking crates.io crate acmev02 0.1.0
[INFO] tweaked toml for crates.io crate acmev02 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 28076c16b6b357248c728248560e9c96c748bf35afa3c464cca36d3abc75ee59
[INFO] running `Command { std: "docker" "start" "-a" "28076c16b6b357248c728248560e9c96c748bf35afa3c464cca36d3abc75ee59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28076c16b6b357248c728248560e9c96c748bf35afa3c464cca36d3abc75ee59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28076c16b6b357248c728248560e9c96c748bf35afa3c464cca36d3abc75ee59", kill_on_drop: false }`
[INFO] [stdout] 28076c16b6b357248c728248560e9c96c748bf35afa3c464cca36d3abc75ee59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6567e5e5fd4b8c6cb1d7fb20493b8ca71e124f10b79589afec3cc1bd3c093711
[INFO] running `Command { std: "docker" "start" "-a" "6567e5e5fd4b8c6cb1d7fb20493b8ca71e124f10b79589afec3cc1bd3c093711", kill_on_drop: false }`
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[INFO] [stderr]     Checking rusoto_signature v0.46.0
[INFO] [stderr]     Checking acmev02 v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: field `challenges` is never read
[INFO] [stdout]   --> src/test.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct TestSettings {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     challenges: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestSettings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.96s
[INFO] running `Command { std: "docker" "inspect" "6567e5e5fd4b8c6cb1d7fb20493b8ca71e124f10b79589afec3cc1bd3c093711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6567e5e5fd4b8c6cb1d7fb20493b8ca71e124f10b79589afec3cc1bd3c093711", kill_on_drop: false }`
[INFO] [stdout] 6567e5e5fd4b8c6cb1d7fb20493b8ca71e124f10b79589afec3cc1bd3c093711