[INFO] fetching crate trans-schema-derive 0.3.0-alpha.1...
[INFO] checking trans-schema-derive-0.3.0-alpha.1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate trans-schema-derive 0.3.0-alpha.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate trans-schema-derive 0.3.0-alpha.1 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trans-schema-derive 0.3.0-alpha.1
[INFO] finished tweaking crates.io crate trans-schema-derive 0.3.0-alpha.1
[INFO] tweaked toml for crates.io crate trans-schema-derive 0.3.0-alpha.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e579f67971130f0f02d63c7482dd20a3a7b9914e2a21fea4584f73716cc18f95
[INFO] running `Command { std: "docker" "start" "-a" "e579f67971130f0f02d63c7482dd20a3a7b9914e2a21fea4584f73716cc18f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e579f67971130f0f02d63c7482dd20a3a7b9914e2a21fea4584f73716cc18f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e579f67971130f0f02d63c7482dd20a3a7b9914e2a21fea4584f73716cc18f95", kill_on_drop: false }`
[INFO] [stdout] e579f67971130f0f02d63c7482dd20a3a7b9914e2a21fea4584f73716cc18f95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abf2dddb5e7095588240b5bdc0eba93248003e535f2a95c2a401d931522f78b9
[INFO] running `Command { std: "docker" "start" "-a" "abf2dddb5e7095588240b5bdc0eba93248003e535f2a95c2a401d931522f78b9", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking proc-macro2 v1.0.29
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking trans-schema-derive v0.3.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:170:21
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 let mut generics = ast.generics.clone();
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:170:21
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 let mut generics = ast.generics.clone();
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "abf2dddb5e7095588240b5bdc0eba93248003e535f2a95c2a401d931522f78b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf2dddb5e7095588240b5bdc0eba93248003e535f2a95c2a401d931522f78b9", kill_on_drop: false }`
[INFO] [stdout] abf2dddb5e7095588240b5bdc0eba93248003e535f2a95c2a401d931522f78b9