[INFO] fetching crate slashy_macros 0.1.2...
[INFO] checking slashy_macros-0.1.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate slashy_macros 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate slashy_macros 0.1.2
[INFO] finished tweaking crates.io crate slashy_macros 0.1.2
[INFO] tweaked toml for crates.io crate slashy_macros 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slashy_macros 0.1.2 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e6e6666853d20363dda06034de987b24c5f908d9ff01862bcea49176410a914
[INFO] running `Command { std: "docker" "start" "-a" "8e6e6666853d20363dda06034de987b24c5f908d9ff01862bcea49176410a914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e6e6666853d20363dda06034de987b24c5f908d9ff01862bcea49176410a914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6e6666853d20363dda06034de987b24c5f908d9ff01862bcea49176410a914", kill_on_drop: false }`
[INFO] [stdout] 8e6e6666853d20363dda06034de987b24c5f908d9ff01862bcea49176410a914
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fe3eddbcb88bb0881eed21152d68dc686577cf7950ecc1a9932c4a2a6b7dcd9
[INFO] running `Command { std: "docker" "start" "-a" "5fe3eddbcb88bb0881eed21152d68dc686577cf7950ecc1a9932c4a2a6b7dcd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking slashy_macros v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:298:14
[INFO] [stdout]     |
[INFO] [stdout] 298 |     Optional(kw::optional),
[INFO] [stdout]     |     -------- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 298 -     Optional(kw::optional),
[INFO] [stdout] 298 +     Optional(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:325:16
[INFO] [stdout]     |
[INFO] [stdout] 325 |     SubCommand(kw::SubCommand),
[INFO] [stdout]     |     ---------- ^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 325 -     SubCommand(kw::SubCommand),
[INFO] [stdout] 325 +     SubCommand(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:326:21
[INFO] [stdout]     |
[INFO] [stdout] 326 |     SubCommandGroup(kw::SubCommandGroup),
[INFO] [stdout]     |     --------------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 326 -     SubCommandGroup(kw::SubCommandGroup),
[INFO] [stdout] 326 +     SubCommandGroup(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:327:12
[INFO] [stdout]     |
[INFO] [stdout] 327 |     String(kw::String),
[INFO] [stdout]     |     ------ ^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 327 -     String(kw::String),
[INFO] [stdout] 327 +     String(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |     Integer(kw::Integer),
[INFO] [stdout]     |     ------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 328 -     Integer(kw::Integer),
[INFO] [stdout] 328 +     Integer(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:329:13
[INFO] [stdout]     |
[INFO] [stdout] 329 |     Boolean(kw::Boolean),
[INFO] [stdout]     |     ------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 329 -     Boolean(kw::Boolean),
[INFO] [stdout] 329 +     Boolean(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:330:10
[INFO] [stdout]     |
[INFO] [stdout] 330 |     User(kw::User),
[INFO] [stdout]     |     ---- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 330 -     User(kw::User),
[INFO] [stdout] 330 +     User(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:331:13
[INFO] [stdout]     |
[INFO] [stdout] 331 |     Channel(kw::Channel),
[INFO] [stdout]     |     ------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 331 -     Channel(kw::Channel),
[INFO] [stdout] 331 +     Channel(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:332:10
[INFO] [stdout]     |
[INFO] [stdout] 332 |     Role(kw::Role),
[INFO] [stdout]     |     ---- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 332 -     Role(kw::Role),
[INFO] [stdout] 332 +     Role(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:298:14
[INFO] [stdout]     |
[INFO] [stdout] 298 |     Optional(kw::optional),
[INFO] [stdout]     |     -------- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 298 -     Optional(kw::optional),
[INFO] [stdout] 298 +     Optional(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:325:16
[INFO] [stdout]     |
[INFO] [stdout] 325 |     SubCommand(kw::SubCommand),
[INFO] [stdout]     |     ---------- ^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 325 -     SubCommand(kw::SubCommand),
[INFO] [stdout] 325 +     SubCommand(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:326:21
[INFO] [stdout]     |
[INFO] [stdout] 326 |     SubCommandGroup(kw::SubCommandGroup),
[INFO] [stdout]     |     --------------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 326 -     SubCommandGroup(kw::SubCommandGroup),
[INFO] [stdout] 326 +     SubCommandGroup(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:327:12
[INFO] [stdout]     |
[INFO] [stdout] 327 |     String(kw::String),
[INFO] [stdout]     |     ------ ^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 327 -     String(kw::String),
[INFO] [stdout] 327 +     String(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |     Integer(kw::Integer),
[INFO] [stdout]     |     ------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 328 -     Integer(kw::Integer),
[INFO] [stdout] 328 +     Integer(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:329:13
[INFO] [stdout]     |
[INFO] [stdout] 329 |     Boolean(kw::Boolean),
[INFO] [stdout]     |     ------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 329 -     Boolean(kw::Boolean),
[INFO] [stdout] 329 +     Boolean(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:330:10
[INFO] [stdout]     |
[INFO] [stdout] 330 |     User(kw::User),
[INFO] [stdout]     |     ---- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 330 -     User(kw::User),
[INFO] [stdout] 330 +     User(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:331:13
[INFO] [stdout]     |
[INFO] [stdout] 331 |     Channel(kw::Channel),
[INFO] [stdout]     |     ------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 331 -     Channel(kw::Channel),
[INFO] [stdout] 331 +     Channel(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/command.rs:332:10
[INFO] [stdout]     |
[INFO] [stdout] 332 |     Role(kw::Role),
[INFO] [stdout]     |     ---- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 332 -     Role(kw::Role),
[INFO] [stdout] 332 +     Role(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "5fe3eddbcb88bb0881eed21152d68dc686577cf7950ecc1a9932c4a2a6b7dcd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe3eddbcb88bb0881eed21152d68dc686577cf7950ecc1a9932c4a2a6b7dcd9", kill_on_drop: false }`
[INFO] [stdout] 5fe3eddbcb88bb0881eed21152d68dc686577cf7950ecc1a9932c4a2a6b7dcd9