[INFO] fetching crate trait_deref 0.2.2...
[INFO] testing trait_deref-0.2.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate trait_deref 0.2.2 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trait_deref 0.2.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf7642319d4c662eb0ae9be3330ebd6c10a47b5d06478df7bc8e4e7b3d91253d
[INFO] running `Command { std: "docker" "start" "-a" "cf7642319d4c662eb0ae9be3330ebd6c10a47b5d06478df7bc8e4e7b3d91253d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf7642319d4c662eb0ae9be3330ebd6c10a47b5d06478df7bc8e4e7b3d91253d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf7642319d4c662eb0ae9be3330ebd6c10a47b5d06478df7bc8e4e7b3d91253d", kill_on_drop: false }`
[INFO] [stdout] cf7642319d4c662eb0ae9be3330ebd6c10a47b5d06478df7bc8e4e7b3d91253d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a95f21e178ba0106eefab0383264fcc4f610898da7b99089fdc4dbc1c3ff71
[INFO] running `Command { std: "docker" "start" "-a" "67a95f21e178ba0106eefab0383264fcc4f610898da7b99089fdc4dbc1c3ff71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "67a95f21e178ba0106eefab0383264fcc4f610898da7b99089fdc4dbc1c3ff71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a95f21e178ba0106eefab0383264fcc4f610898da7b99089fdc4dbc1c3ff71", kill_on_drop: false }`
[INFO] [stdout] 67a95f21e178ba0106eefab0383264fcc4f610898da7b99089fdc4dbc1c3ff71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d4b4de07789489f52e7d0a56e26d46d7ee4cae5ed89a492c618eae88a24858a
[INFO] running `Command { std: "docker" "start" "-a" "6d4b4de07789489f52e7d0a56e26d46d7ee4cae5ed89a492c618eae88a24858a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `Command { std: "docker" "inspect" "6d4b4de07789489f52e7d0a56e26d46d7ee4cae5ed89a492c618eae88a24858a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4b4de07789489f52e7d0a56e26d46d7ee4cae5ed89a492c618eae88a24858a", kill_on_drop: false }`
[INFO] [stdout] 6d4b4de07789489f52e7d0a56e26d46d7ee4cae5ed89a492c618eae88a24858a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 450213b273a3ef4a166df98653117ed208bedf5bdb71a91c818d9b03b5caa755
[INFO] running `Command { std: "docker" "start" "-a" "450213b273a3ef4a166df98653117ed208bedf5bdb71a91c818d9b03b5caa755", kill_on_drop: false }`
[INFO] [stderr] warning: fields `at_token`, `bracket`, and `colon_token` are never read
[INFO] [stderr]    --> src/lib.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 220 | struct ImplBlock {
[INFO] [stderr]     |        --------- fields in this struct
[INFO] [stderr] 221 |     pub at_token: Token![@],
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 222 |     pub bracket: Bracket,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 223 |     pub field: Ident,
[INFO] [stderr] 224 |     pub colon_token: Token![:],
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `trait_deref` (lib) generated 1 warning
[INFO] [stderr] warning: `trait_deref` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: trait `EmptyTrait` is never used
[INFO] [stderr]  --> tests/empty.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | trait EmptyTrait {}
[INFO] [stderr]   |       ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `A` is never constructed
[INFO] [stderr]  --> tests/empty.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct A<T: EmptyTrait> {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: `trait_deref` (test "empty") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trait_deref-cea33010f6303555)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/empty.rs (/opt/rustwide/target/debug/deps/empty-93a3f1a7e32d66fc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/extension.rs (/opt/rustwide/target/debug/deps/extension-60924dead7c418bd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "450213b273a3ef4a166df98653117ed208bedf5bdb71a91c818d9b03b5caa755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450213b273a3ef4a166df98653117ed208bedf5bdb71a91c818d9b03b5caa755", kill_on_drop: false }`
[INFO] [stdout] 450213b273a3ef4a166df98653117ed208bedf5bdb71a91c818d9b03b5caa755