[INFO] fetching crate trait_deref 0.2.2...
[INFO] checking trait_deref-0.2.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate trait_deref 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate trait_deref 0.2.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate trait_deref 0.2.2
[INFO] tweaked toml for crates.io crate trait_deref 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trait_deref 0.2.2 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 trait_deref 0.2.2 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9bd1e03e5cb74f3d2c8039712ddcb147f462d3434b13b4a3b94400cd524f5aca
[INFO] running `Command { std: "docker" "start" "-a" "9bd1e03e5cb74f3d2c8039712ddcb147f462d3434b13b4a3b94400cd524f5aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bd1e03e5cb74f3d2c8039712ddcb147f462d3434b13b4a3b94400cd524f5aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd1e03e5cb74f3d2c8039712ddcb147f462d3434b13b4a3b94400cd524f5aca", kill_on_drop: false }`
[INFO] [stdout] 9bd1e03e5cb74f3d2c8039712ddcb147f462d3434b13b4a3b94400cd524f5aca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 00eaf4fa758d1d3f7f64992e870d6740f63fed1e81269601f2fc0f0210207b61
[INFO] running `Command { std: "docker" "start" "-a" "00eaf4fa758d1d3f7f64992e870d6740f63fed1e81269601f2fc0f0210207b61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking unicode-ident v1.0.15
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking convert_case v0.7.1
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking trait_deref v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `at_token`, `bracket`, and `colon_token` are never read
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 220 | struct ImplBlock {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 221 |     pub at_token: Token![@],
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 222 |     pub bracket: Bracket,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 223 |     pub field: Ident,
[INFO] [stdout] 224 |     pub colon_token: Token![:],
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `at_token`, `bracket`, and `colon_token` are never read
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 220 | struct ImplBlock {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 221 |     pub at_token: Token![@],
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 222 |     pub bracket: Bracket,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 223 |     pub field: Ident,
[INFO] [stdout] 224 |     pub colon_token: Token![:],
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `at_token`, `bracket`, and `colon_token` are never read
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 220 | struct ImplBlock {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 221 |     pub at_token: Token![@],
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 222 |     pub bracket: Bracket,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 223 |     pub field: Ident,
[INFO] [stdout] 224 |     pub colon_token: Token![:],
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EmptyTrait` is never used
[INFO] [stdout]  --> tests/empty.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait EmptyTrait {}
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]  --> tests/empty.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct A<T: EmptyTrait> {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "00eaf4fa758d1d3f7f64992e870d6740f63fed1e81269601f2fc0f0210207b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00eaf4fa758d1d3f7f64992e870d6740f63fed1e81269601f2fc0f0210207b61", kill_on_drop: false }`
[INFO] [stdout] 00eaf4fa758d1d3f7f64992e870d6740f63fed1e81269601f2fc0f0210207b61