[INFO] fetching crate wchar-impl 0.11.0...
[INFO] building wchar-impl-0.11.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate wchar-impl 0.11.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wchar-impl 0.11.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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]     Blocking waiting for file lock on package cache
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f38ae3e596bcd0f63c743b3414d7a41011cd7e639db031288815fc1f4d41a254
[INFO] running `Command { std: "docker" "start" "-a" "f38ae3e596bcd0f63c743b3414d7a41011cd7e639db031288815fc1f4d41a254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f38ae3e596bcd0f63c743b3414d7a41011cd7e639db031288815fc1f4d41a254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38ae3e596bcd0f63c743b3414d7a41011cd7e639db031288815fc1f4d41a254", kill_on_drop: false }`
[INFO] [stdout] f38ae3e596bcd0f63c743b3414d7a41011cd7e639db031288815fc1f4d41a254
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f50ba22f3e9deed3cbbec41ab60a5dc9580472d000175673cc22990f8ac8308
[INFO] running `Command { std: "docker" "start" "-a" "9f50ba22f3e9deed3cbbec41ab60a5dc9580472d000175673cc22990f8ac8308", 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: 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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 
[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 2.41s
[INFO] running `Command { std: "docker" "inspect" "9f50ba22f3e9deed3cbbec41ab60a5dc9580472d000175673cc22990f8ac8308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f50ba22f3e9deed3cbbec41ab60a5dc9580472d000175673cc22990f8ac8308", kill_on_drop: false }`
[INFO] [stdout] 9f50ba22f3e9deed3cbbec41ab60a5dc9580472d000175673cc22990f8ac8308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9829d64ad9485184b64b777f9c4b79ac9d9f204d29a14e544d7b9375e77b82bb
[INFO] running `Command { std: "docker" "start" "-a" "9829d64ad9485184b64b777f9c4b79ac9d9f204d29a14e544d7b9375e77b82bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling wchar-impl v0.11.0 (/opt/rustwide/workdir)
[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]    = 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: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] 
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 
[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 0.64s
[INFO] running `Command { std: "docker" "inspect" "9829d64ad9485184b64b777f9c4b79ac9d9f204d29a14e544d7b9375e77b82bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9829d64ad9485184b64b777f9c4b79ac9d9f204d29a14e544d7b9375e77b82bb", kill_on_drop: false }`
[INFO] [stdout] 9829d64ad9485184b64b777f9c4b79ac9d9f204d29a14e544d7b9375e77b82bb