[INFO] fetching crate wchar-impl 0.11.0...
[INFO] checking wchar-impl-0.11.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate wchar-impl 0.11.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate wchar-impl 0.11.0
[INFO] finished tweaking crates.io crate wchar-impl 0.11.0
[INFO] tweaked toml for crates.io crate wchar-impl 0.11.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wchar-impl 0.11.0 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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cb4064daa418cc29b2d63e9a2e93bd58ba9227526bb84c66617811eb732c4bc2
[INFO] running `Command { std: "docker" "start" "-a" "cb4064daa418cc29b2d63e9a2e93bd58ba9227526bb84c66617811eb732c4bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb4064daa418cc29b2d63e9a2e93bd58ba9227526bb84c66617811eb732c4bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4064daa418cc29b2d63e9a2e93bd58ba9227526bb84c66617811eb732c4bc2", kill_on_drop: false }`
[INFO] [stdout] cb4064daa418cc29b2d63e9a2e93bd58ba9227526bb84c66617811eb732c4bc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e88c1e3dbeec06dfcbbada4f6d6521c98efbebfec2e2580ee63ccd5f136da9a7
[INFO] running `Command { std: "docker" "start" "-a" "e88c1e3dbeec06dfcbbada4f6d6521c98efbebfec2e2580ee63ccd5f136da9a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking wchar-impl v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `wchar_type` is never used
[INFO] [stdout]   --> src/encode.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub trait Encode: Copy + ToTokens {
[INFO] [stdout]    |           ------ associated function in this trait
[INFO] [stdout] 61 |     fn wchar_type() -> WCharType;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comma` is never read
[INFO] [stdout]   --> src/parse.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct WchInput {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 67 |     pub ty: WCharType,
[INFO] [stdout] 68 |     pub comma: Token![,],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comma` is never read
[INFO] [stdout]   --> src/parse.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct WchzInput {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 83 |     pub ty: WCharType,
[INFO] [stdout] 84 |     pub comma: Token![,],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comma` is never read
[INFO] [stdout]    --> src/parse.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout]  98 | pub struct IncludeInput {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout]  99 |     pub ty: WCharType,
[INFO] [stdout] 100 |     pub comma: Token![,],
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `wchar_type` is never used
[INFO] [stdout]   --> src/encode.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub trait Encode: Copy + ToTokens {
[INFO] [stdout]    |           ------ associated function in this trait
[INFO] [stdout] 61 |     fn wchar_type() -> WCharType;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comma` is never read
[INFO] [stdout]   --> src/parse.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct WchInput {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 67 |     pub ty: WCharType,
[INFO] [stdout] 68 |     pub comma: Token![,],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comma` is never read
[INFO] [stdout]   --> src/parse.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct WchzInput {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 83 |     pub ty: WCharType,
[INFO] [stdout] 84 |     pub comma: Token![,],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comma` is never read
[INFO] [stdout]    --> src/parse.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout]  98 | pub struct IncludeInput {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout]  99 |     pub ty: WCharType,
[INFO] [stdout] 100 |     pub comma: Token![,],
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "e88c1e3dbeec06dfcbbada4f6d6521c98efbebfec2e2580ee63ccd5f136da9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e88c1e3dbeec06dfcbbada4f6d6521c98efbebfec2e2580ee63ccd5f136da9a7", kill_on_drop: false }`
[INFO] [stdout] e88c1e3dbeec06dfcbbada4f6d6521c98efbebfec2e2580ee63ccd5f136da9a7