[INFO] fetching crate impl-trait-for-tuples 0.2.1...
[INFO] checking impl-trait-for-tuples-0.2.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate impl-trait-for-tuples 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate impl-trait-for-tuples 0.2.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate impl-trait-for-tuples 0.2.1
[INFO] finished tweaking crates.io crate impl-trait-for-tuples 0.2.1
[INFO] tweaked toml for crates.io crate impl-trait-for-tuples 0.2.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fd34f92acfb911fdad1eafda386cb8376651316966028b1ab0ed3a0db0b4cb8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9fd34f92acfb911fdad1eafda386cb8376651316966028b1ab0ed3a0db0b4cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fd34f92acfb911fdad1eafda386cb8376651316966028b1ab0ed3a0db0b4cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd34f92acfb911fdad1eafda386cb8376651316966028b1ab0ed3a0db0b4cb8", kill_on_drop: false }`
[INFO] [stdout] 9fd34f92acfb911fdad1eafda386cb8376651316966028b1ab0ed3a0db0b4cb8
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425c5e507eb4b50a66069cc98d970b9108aff493eda3886ceeb2379b3b51cea5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "425c5e507eb4b50a66069cc98d970b9108aff493eda3886ceeb2379b3b51cea5", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking impl-trait-for-tuples v0.2.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]   --> src/semi_automatic.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub paren_token: token::Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `star_token`
[INFO] [stdout]    --> src/semi_automatic.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub star_token: token::Star,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.128
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]   --> src/semi_automatic.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub paren_token: token::Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `star_token`
[INFO] [stdout]    --> src/semi_automatic.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub star_token: token::Star,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/ui.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/fail.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/codegen.rs from 2018 edition to 2021
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]   --> src/semi_automatic.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub paren_token: token::Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `star_token`
[INFO] [stdout]    --> src/semi_automatic.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub star_token: token::Star,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]   --> src/semi_automatic.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub paren_token: token::Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `star_token`
[INFO] [stdout]    --> src/semi_automatic.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub star_token: token::Star,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]   --> src/semi_automatic.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub paren_token: token::Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `star_token`
[INFO] [stdout]    --> src/semi_automatic.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub star_token: token::Star,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]   --> src/semi_automatic.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub paren_token: token::Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `star_token`
[INFO] [stdout]    --> src/semi_automatic.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub star_token: token::Star,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.01s
[INFO] running `Command { std: "docker" "inspect" "425c5e507eb4b50a66069cc98d970b9108aff493eda3886ceeb2379b3b51cea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425c5e507eb4b50a66069cc98d970b9108aff493eda3886ceeb2379b3b51cea5", kill_on_drop: false }`
[INFO] [stdout] 425c5e507eb4b50a66069cc98d970b9108aff493eda3886ceeb2379b3b51cea5