[INFO] fetching crate wchar-impl 0.11.0...
[INFO] testing wchar-impl-0.11.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate wchar-impl 0.11.0 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wchar-impl 0.11.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03a201de88087bf4c22be9ad54e42eaf554fd6f9ed7b845a0d541d730916f4e4
[INFO] running `Command { std: "docker" "start" "-a" "03a201de88087bf4c22be9ad54e42eaf554fd6f9ed7b845a0d541d730916f4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03a201de88087bf4c22be9ad54e42eaf554fd6f9ed7b845a0d541d730916f4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a201de88087bf4c22be9ad54e42eaf554fd6f9ed7b845a0d541d730916f4e4", kill_on_drop: false }`
[INFO] [stdout] 03a201de88087bf4c22be9ad54e42eaf554fd6f9ed7b845a0d541d730916f4e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbd14af157fe570b60f2c33699f17dad6c9d07697a40935d7e5b6d5dd5b22a1a
[INFO] running `Command { std: "docker" "start" "-a" "fbd14af157fe570b60f2c33699f17dad6c9d07697a40935d7e5b6d5dd5b22a1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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 2.37s
[INFO] running `Command { std: "docker" "inspect" "fbd14af157fe570b60f2c33699f17dad6c9d07697a40935d7e5b6d5dd5b22a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd14af157fe570b60f2c33699f17dad6c9d07697a40935d7e5b6d5dd5b22a1a", kill_on_drop: false }`
[INFO] [stdout] fbd14af157fe570b60f2c33699f17dad6c9d07697a40935d7e5b6d5dd5b22a1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9430497a7c495eab6142bf7594a14144a8e3f87b80f82e0139ab4c33211e7f5
[INFO] running `Command { std: "docker" "start" "-a" "a9430497a7c495eab6142bf7594a14144a8e3f87b80f82e0139ab4c33211e7f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "a9430497a7c495eab6142bf7594a14144a8e3f87b80f82e0139ab4c33211e7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9430497a7c495eab6142bf7594a14144a8e3f87b80f82e0139ab4c33211e7f5", kill_on_drop: false }`
[INFO] [stdout] a9430497a7c495eab6142bf7594a14144a8e3f87b80f82e0139ab4c33211e7f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62428ce6dc64accca346bf6d32a69c42fc89c335252d03b28b65a4c4d6d8d0af
[INFO] running `Command { std: "docker" "start" "-a" "62428ce6dc64accca346bf6d32a69c42fc89c335252d03b28b65a4c4d6d8d0af", kill_on_drop: false }`
[INFO] [stderr] warning: associated function `wchar_type` is never used
[INFO] [stderr]   --> src/encode.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub trait Encode: Copy + ToTokens {
[INFO] [stderr]    |           ------ associated function in this trait
[INFO] [stderr] 61 |     fn wchar_type() -> WCharType;
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `comma` is never read
[INFO] [stderr]   --> src/parse.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub struct WchInput {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] 67 |     pub ty: WCharType,
[INFO] [stderr] 68 |     pub comma: Token![,],
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `comma` is never read
[INFO] [stderr]   --> src/parse.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub struct WchzInput {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 83 |     pub ty: WCharType,
[INFO] [stderr] 84 |     pub comma: Token![,],
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `comma` is never read
[INFO] [stderr]    --> src/parse.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr]  98 | pub struct IncludeInput {
[INFO] [stderr]     |            ------------ field in this struct
[INFO] [stderr]  99 |     pub ty: WCharType,
[INFO] [stderr] 100 |     pub comma: Token![,],
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `wchar-impl` (lib) generated 4 warnings
[INFO] [stderr] warning: `wchar-impl` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wchar_impl-07a6b293b4e09a5f)
[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]    Doc-tests wchar_impl
[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] running `Command { std: "docker" "inspect" "62428ce6dc64accca346bf6d32a69c42fc89c335252d03b28b65a4c4d6d8d0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62428ce6dc64accca346bf6d32a69c42fc89c335252d03b28b65a4c4d6d8d0af", kill_on_drop: false }`
[INFO] [stdout] 62428ce6dc64accca346bf6d32a69c42fc89c335252d03b28b65a4c4d6d8d0af