[INFO] fetching crate salak_factory 0.10.0...
[INFO] checking salak_factory-0.10.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate salak_factory 0.10.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate salak_factory 0.10.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate salak_factory 0.10.0
[INFO] tweaked toml for crates.io crate salak_factory 0.10.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate salak_factory 0.10.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate salak_factory 0.10.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24ec6a2752811550821bac4324b6486b88c7333e1aac4ec1fb3d06373f7d48a2
[INFO] running `Command { std: "docker" "start" "-a" "24ec6a2752811550821bac4324b6486b88c7333e1aac4ec1fb3d06373f7d48a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24ec6a2752811550821bac4324b6486b88c7333e1aac4ec1fb3d06373f7d48a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ec6a2752811550821bac4324b6486b88c7333e1aac4ec1fb3d06373f7d48a2", kill_on_drop: false }`
[INFO] [stdout] 24ec6a2752811550821bac4324b6486b88c7333e1aac4ec1fb3d06373f7d48a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45dfcdfee3356144903ef17f353579052e092cfaea2b1b97c2463615e02d3f00
[INFO] running `Command { std: "docker" "start" "-a" "45dfcdfee3356144903ef17f353579052e092cfaea2b1b97c2463615e02d3f00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling salak_derive v0.8.0
[INFO] [stderr]     Checking salak v0.14.0
[INFO] [stderr]     Checking salak_factory v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `WrapEnum` is never constructed
[INFO] [stdout]   --> src/lib.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) struct WrapEnum<T>(pub(crate) T);
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WrapEnum` is never constructed
[INFO] [stdout]   --> src/lib.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) struct WrapEnum<T>(pub(crate) T);
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.38s
[INFO] running `Command { std: "docker" "inspect" "45dfcdfee3356144903ef17f353579052e092cfaea2b1b97c2463615e02d3f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45dfcdfee3356144903ef17f353579052e092cfaea2b1b97c2463615e02d3f00", kill_on_drop: false }`
[INFO] [stdout] 45dfcdfee3356144903ef17f353579052e092cfaea2b1b97c2463615e02d3f00