[INFO] fetching crate generics2 0.3.3...
[INFO] checking generics2-0.3.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate generics2 0.3.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate generics2 0.3.3
[INFO] finished tweaking crates.io crate generics2 0.3.3
[INFO] tweaked toml for crates.io crate generics2 0.3.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate generics2 0.3.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ff46b484498b66114f67bda3ac30ca7536f0b706e37a6a852c39b50838dbecd8
[INFO] running `Command { std: "docker" "start" "-a" "ff46b484498b66114f67bda3ac30ca7536f0b706e37a6a852c39b50838dbecd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff46b484498b66114f67bda3ac30ca7536f0b706e37a6a852c39b50838dbecd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff46b484498b66114f67bda3ac30ca7536f0b706e37a6a852c39b50838dbecd8", kill_on_drop: false }`
[INFO] [stdout] ff46b484498b66114f67bda3ac30ca7536f0b706e37a6a852c39b50838dbecd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b52141135b2255c02039126861bd3ea4ce4be4b28cf7de7350ff6bdd13a4e677
[INFO] running `Command { std: "docker" "start" "-a" "b52141135b2255c02039126861bd3ea4ce4be4b28cf7de7350ff6bdd13a4e677", kill_on_drop: false }`
[INFO] [stderr]     Checking generics2 v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait `TestTrait2` is never used
[INFO] [stdout]     --> src/lib.rs:1764:11
[INFO] [stdout]      |
[INFO] [stdout] 1764 |     trait TestTrait2 { }
[INFO] [stdout]      |           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:2:9
[INFO] [stdout]      |
[INFO] [stdout] 2    | #![deny(warnings)]
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generics2` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b52141135b2255c02039126861bd3ea4ce4be4b28cf7de7350ff6bdd13a4e677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52141135b2255c02039126861bd3ea4ce4be4b28cf7de7350ff6bdd13a4e677", kill_on_drop: false }`
[INFO] [stdout] b52141135b2255c02039126861bd3ea4ce4be4b28cf7de7350ff6bdd13a4e677